9809_WestsideLCID_Applic_Final_20240416

DocuSign Envelope ID: 8441 BC68-BE30-4870-ADC6-A89E73028E66
SMITH GARDNER
ADDRESS TEL WEB
14 N. Boylan Avenue, Raleigh NC 27603 919.828.0577 www.smithgardnerinc.com
May 31, 2023
Ms. Sherri Stanley
Permitting Branch Supervisor
Division of Waste Management
NC Department of Environmental Quality
217 West Jones Street
Raleigh, NC 2?603
RE: Permit to Construct Application
Westside LCID Landfill
Wilson, North Carolina
Dear Ms. Stanley:
On behalf of Wilson County (County), Smith Gardner, Inc. (S+G) has prepared the attached
Permit Application for a new LCID landfill. This proposed landfill footprint is approximately
three (3) acres with supporting stormwater and operational infrastructure.
Should you have any questions or require clarification and/or additional information, please
feel free to contact us at [phone] or by email below.
Sincerely,
SMITH GARDNER, INC.
�ADocuSigned by: '', . I-
Y Vuu, �V
358C21E64007440...
W. Michael Brinchek, P.E.
Project Manager, ext. 128
mike(dsmithaardnerinc.com
Att.
CC: Andy Davis, Wilson County
Donna Wilson, NC DEQ
File
EsDocuSigned by:
ru&tv k thuh tbw
8B13721KE5F488...
Spencer W. Hollomon, P.E.
Project Engineer, ext. 134
[e-mail]
H:\Projects\Wilson County (NCI\WILSON 22-4 (LCID)\01 Permit Application\01 Narrative\Westside LCID PTC Cover Letter.docx

DocuSign Envelope ID: E51ED747-AO69-4262-BOCD-A46BE99249O6
Permit to Construct Application
Westside LCIB Landfill
Wilson County, North Carolina
Prepared for:
Wilson County Solid Waste Services Department
Wilson, North Carolina
VJa�� OF
A
May 2023
Prepared by:
SMITH GARDNER
14 N. Boylan Avenue, Raleigh NE 27603 1919.828.0577
O 2023 Smith Gardner, Inc.
This document is intended for the sole use of the client for which it was prepared and
for the purpose agreed upon by the client and Smith Gardner, Inc.

DocuSign Envelope ID: E51ED747-AO69-4262-BOCD-A46BE9924906
Permit to Construct Application
Westside LCID Landfill
Wilson County, North Carolina
Prepared For:
Wilson County Solid Waste Services Department
Wilson, North Carolina
S+G Project No. WILSON-22-4
DocuSigned by:
srt t'r R Rkhmbw
Spencer W. Hollomon, P.E.
Project Engineer
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DocuSigned by: *w4~a• �—Ssz17
p•,`r{+�
lk�r✓ °Uvi = SEAL'
W. MichaelR' hek, P.E. 028426
Project Manager
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........A */202 3
May 2023
�ILIIIIKVAML�
14 N. Boylan Avenue, Raleigh NC 27603 1 919.828.0577

DocuSign Envelope ID: E51ED747-A069-4262-BOCD-A46BE9924906
Westside LCID Landfill
Wilson County, North Carolina
Permit to Construct Application
Table of Contents
North Carolina Solid Waste Management (15A NCAC 138.05651 rules, Application for Guidance
for Land Clearing and Inert Debris (LCID) Landfill and Solid Waste Management Act of 2007
addressed in each section of this document are shown in italics after each section.
Executive Summary
Attachment A Permit Documentation
115A NCAC 13B. 0565)
Attachment B Legal Description of Property
(15A NCAC 13B. 0565)
Attachment C Zoning Documentation
115A NCAC 13B. 0565)
Attachment D Operations Manual
115A NCAC 13B. 0566)
Attachment E FEMA Map
115A NCAC 13B. 0565)
Attachment F Siting Restrictions
115A NCAC 13B. 064)
Attachment G Erosion and Sediment Control Plan
115A NCAC 4)
Attachment H Volume Calculations
115A NCAC 13B. 0565)
Attachment I Closure & Post -Closure Plan
115A NCAC 138. 065)
Attachment J Site Drawings
115A NCAC 138. 0565)
Westide LCID Landfill Permit to Construct Application
May 2023 Table of Contents Page i

DocuSign Envelope ID: E51ED747-AO69-4262-BOCD-A46BE9924906
M1114II1ill &Mulul!lIM
GENERAL
The following is a Permit Application submitted on behalf of Wilson County, for construction of a
Land Clearing and Inert Debris (LCID) Landfill at their existing Westside Construction and
Demolition (C&D) landfill facility in Wilson, North Carolina.
Currently, the following activities or services are provided at the Westside C&D landfill facility:
• Scales and scale house facilities;
• Administrative offices and maintenance building;
• C&D landfill;
• Convenience Center
• Tire Collection Area;
• Wood Processing and Yard Trash Composting Area;
• White Goods and Scrap Metal Staging Area; and,
• Inert Debris Disposal Area.
The existing Inert Debris Disposal Area is a notification site and operates under LCIDN98. A
copy of the Notification can be found in Attachment A, and the notification landfill will be closed
prior to January 1, 2026.
REGULATORY REFERENCES
This submittal has been prepared in accordance with the requirements of the North Carolina
Administrative Code (15A NCAC 1313.0565) regarding application requirements for LCID
landfills, Application Guidance LCID Landfill Permit, and the Solid Waste Management Act of
2007. These are enforced by the Division of Waste Management (DWM) of the North Carolina
Department of Environmental Quality (NCDEQ).
Included in this submittal are the following attachments (with applicable rules) in italics):
Legal Description of the Property 05A NCAC 1313.05650)(e));
Local Government Approval (15A NCAC 138.05650)(a));
Operations Manual (15A NCAC 13B.0565(4)/ 15A NCAC 13B.0566);
FEMA Map (15A NCAC 13B.0565);
Soil and Subsurface Investigation (15A NCAC 1313.05650)(c)(d));
Volume Calculations (Guidance Document);
Stormwater Management Plan 05A NCAC 14);
Closure and Post -Closure Plan 115A NCAC 13B.065(a)(9));
Site Drawings 05A NCAC 13B.0565 (3)).
Westide LCID Landfill Permit to Construct Application
May 2023 Executive Summary Page iii

DocuSign Envelope ID: E51ED747-AO69-4262-BOCD-A46BE9924906
PROPERTY OWNERSHIPAN 0 OPERATION
The facility is owned and operated by Wilson County (County). Contact information for the
County is as follows:
Operator: Wilson County Solid Waste Services Department
Contact: Andy Davis, Director
Address: 2400 NC Hwy 42 East
Wilson, NC 27893
Phone: [phone]
PROPERTY DESCRIPTION
The facility property is owned by Wilson County. Information regarding the facility property is
provided in Attachment B.
APPLICATION REQUIREMENTS
The following sections correspond with the permit application for a LCID facility as outlined in
the Application Guidance for LCID Landfill Permit.
Zonin
The site is zoned AR (Agricultural Residential) in Wilson County. Confirmation of the
site's zoning compliance can be found in Attachment C.
Operations Manual
The Operations Manual outlines and describes protocols for facility operation and
maintenance, and was prepared to provide landfill personnel with a clear understanding
of how the Design Engineer assumed that the facility would be operated. Along with the
Project Drawings, the Operations Manual has been prepared to comply with the
requirements of 15A NCAC 13B.0566. A copy of the Operations Manual is included in
Attachment D.
Siting and Design Standards
The following sections explain how the LCID facility complies with siting and design
standards in 15A NCAC 13B.0564.
Buffers
The site solid waste buffer through the property is maintained at 100 feet. The
buffers are represented on the Site Drawings in Attachment J.
F(oodplain
The facility is not located within a floodplain. A copy of the FEMA Map for this
area is included in Attachment E.
Westide LCID Landfill Permit to Construct Application
May 2023 Executive Summary Page iv

DocuSign Envelope ID: E51ED747-A069-4262-BOCD-A46BE9924906
Surface Water and Groundwater
The facility is located in the Neuse River Basin. The receiving streams are
Toisnot Swamp.
Groundwater levels were determined based on groundwater measurements
taken from piezometers in the vicinity of the proposed LCID Landfill, and test pits
performed by S+G on March 7, 2023. Documentation of water level
measurements and tests pits are provided in Attachment F1.
A wetland and stream delineation was conducted by Inver Environmental
Consulting, LLC. (Inver) in January 2023, which identified several potential wet
features. Inver met with the Army Corps of Engineers (ACOE) on -site in March
2023 to verify the preliminary delineation. Findings from that visit are included in
Attachment F2, and have been incorporated into the Site Drawings (Attachment
A Identified features have been avoided.
Endanoered and Threatened Species
No Endangered or Threatened Species have been identified in the proposed LCID
Landfill footprint or borrow area, see Attachment F2.
Cultural Resources
No Properties of archaeological or historical significance listed on the National
Register of Historic Places have been identified in the proposed LCID landfill
footprint or borrow area, see Attachment F2.
State Nature and Historic Preserves
No State Nature or Historic Preserves are anticipated in the proposed LCID
Landfill footprint or borrow area based on historical work at the site. A request
for confirmation has been submitted to the State Historic Preservation Office, see
Attachment F3. Findings from the request will be submitted under separate
cover when received.
Public Access
The site does not allow uncontrolled public access. The facility is primarily
accessed through the entrance off Hwy 42. Site access restraints are described
in more detail in the Operations Manual found in Attachment D.
Erosion and Sedimentation Control
A copy of the proposed Erosion and Sedimentation Control plan is provided in
Attachment G.
Westide LCID Landfill Permit to Construct Application
May 2023 Executive Summary Page v

DocuSign Envelope ID: E51ED747-AO69-4262-BOCD-A46BE9924906
Airspace
A summary of proposed airspace is presented below. AutoCAD volume analysis isopach
drawings and calculations are included in Attachment H. Based on historical disposal
trends, and an assumed density of 0.4 tons per cubic yard, the proposed LCID area will
provide approximately 15 years of capacity.
Volume Summary
Landfill Unit
Gross Volume'
Acreage
Westside LCID
70,000 CY
2.5
Landfill
Notes:
1. "Gross Volume" is a from the bottom of debris to top of final cover.
Closure and Post -Closure
A copy of the proposed Closure and Post -Closure plan is provided in Attachment I.
Site Drawings
A copy of the proposed Site Drawings is provided in Attachment J.
Westide LCID Landfill Permit to Construct Application
May 2023 Executive Summary Page vi

DocuSign Envelope ID: E51ED747-AO69-4262-BOCD-A46BE9924906
Attachment A
Permit Documentation
Permit to Construct Application
Westside LCIB Landfill
Wilson County, North Carolina

State of North Carolina
Department of Environment;
Health and Natural Resources
Division of Solid Waste Management
.dames 6.. Hunt, Jr., Governor
Jonat. an B. Howes, Secretary
William L, Meyer, Director
LAN© CLEARING AND INERT DEBRIS LANDFILL NOTIFICATION
Pursuant to 15A NCAC 13B .0563(2)(a), the land owner(s) and operators) of any Land Clearing and
Inert Debris Landfill under two (2) acres in size shall submit this notification form to the Division prior
to constructing or operating the landfill. This form must be filed for recordation it the Register of
Deeds' Office... The Register of Deeds shall index the notification under the name of the owner(s) of the
land in the county or counties in which the land is located. The Register's seal and the date, book, and
page number of recording must be included on this form when submitted to the division. This
notification: is not valid to authorize operation of a landfill unless complete, accurate, recorded, and
submitted to, the Division as required by 15A NCAC 13B .'0563(2)t:b),
1. Facility Name: Wilson County Landfill
2. Facility location (street address), 4537 Landfill Road
City°_ Wilson County; Wilson Zip: 27894
F .im r s Mill Road,
3. Directions to Site; . --. xom Wilson, N.C., NC 42 E, T/R Tar
T/R Landfill Road. Landfill, site on right.:
4. The land on which this landfill is located is described in the deed recorded in:
dee.d...book ......13.9.6 708 Wilson ...
Rage: county
5. Name of land owner:. Wilson County
6. Mailing address of land owner: F. 0. Box 1728
City; Wilson State: N.C. Zip: 27894-1728
7. Telephone number of Land owner: 919` 399.-2823
If the land is owned by more than one person, attach additional sheets with the name, address,
and phone number of all additional land owners.
8. ;gar of operator: Wilson Count Solid WastePL�n smut.
9. Trade or business name of operator: Wilson County
10. Mailing address of operator:. P. 0« Box 172.8
City: Wilson State: N.C. Zip: 27894--1728
11. Telephone number of operator: 915 399-2823
If the landfill is operated by more than one person, attach additional sheets with the name,
address, and phone number of all additional operators.
12. Projected use of land after completion of landfill operations: Wildlife habitat
P.O. Box 27687, Raleigh, North Carolina 27611-7687 Telephone [phone] FAX [phone]
An Equal Opportunity Affirmative Action Employer 60% recycled/ 10% post -consumer paper

The following are the applicability, siting, and operating criteria for Land Clearing and Inert Debris
Landfills operating under. notification.
.0101 DEFINITIONS
(72; "Land clearing waste means solid waste which is generated solely from land clearing activities such as stumps, trees, limbs, brush,
grass,:and other naturally occurrin.9 vegetative material.
i73) "Land'.ciearing acid inerltdebns landfill" means a facility for the land disposal of land clearing waste, concrete, brick, concrete. block,
uncontaminated.soH, gravel and rock, untreated and unpainted wood, and yard trash.
(74) "Yard trash" means solid waste resulting from landscaping and yard maintenance such as brush, grass, tree limbs,..and similar vegetative
materials.
.0563 APPLICABILITY REQUIREMENTS FOR4ZAN©,CLEARING AND INERT DEBRIS (LCID); I..ANDFILLS
Management of land clearing and inah debris shail,be in accordance with the State hierarchy fbr Tnahaging §oiid:waste as provided for under N.C,G.S.
5 13OA-309.04(a). Disposal in a landfill. is considered to be the teast.desirable method. of managing land clearing and inert. debris.: Where landfilling
is necessary, the requirements of this Rule apply.
(1) An individual permit from the Division of Solid Waste Management is not required for Land Clearing and Inert Debris (LCID) landfills that
meet all of the following conditions:
(a) The facility is to be operated for the disposal of land clearing waste, inert debris, untreated wood, and yard trash. Operations
must be consistent and in compliance w(th the local government solid waste management plan as approved by the Division
of Solid Waste Management.
(b) The total disposal area is under two acres in size.
(c) The facility and practices cor'nply with the siting criteria under Rule .0564, and operational requirements under Rule .0566,
(d) The fill activity is not exempt. ,from, and must comply with .all other Federal, State, or local laws, ordinances, Rules,
regulations; or orders, including but not limited to zoning restrictions, flood plain restrictions, wetland restrictions,
sedimentation and erosion control. requirements, and mining regulations.
(2) Where an individual permiitis not required; the following applies:
(a) The owner of the land where the landfill is located must notify the Division on a prescribed form, duly signed notarized, and,.
recorded as per Ruie .0563(21tb):' The operator of the landfill, if different from the rand owner, shall also sign the notification
form.
(b) The owner must file the prescribed notification) form for recordation in the Register of Deeds' Office. The Register of Deeds
shall index the notification in the grantor index under the name of the owner of the land in the county or counties in which
the land is located. A copy of the recorded notification; affixed with the Register's seal and the date, book and page number
of recording shall be sent to the Division of Solid Waste Management.
(c) When the land on which the Land Clearing and Inert. Debris: Landfill is sold, leased, conveyed; or transferred in any manner,
the deed or other instrument of transfer shall -contain in the description section. in no 'smaller type than that used in the bony
of the deed or instrument a statement that the property has been used as a Land Clearing and Inert Debris Landfill and a
reference by book and page to the recordation of the notification.
.0504 SITING cRiTERIA FOR LAND CLEARING AND INERT DEBRIS (LCID) LANDFILLS
The following siting criteria shall apply for land Clearing and Inert Debris (LCID) landfills:
(1) Facilities or practices, shall not be located in the 100-year fioodpiain.
(2) Facilities or practices shell not cause or contribute to the taking .cf any endangered or threatened species of plants, fish, or wildlife.
(3) Facilities or practices shall not result in the destruction or,adverse modification of the critical habitat of endangered or threatened species
as identified in 50 CFR Part 17 which is hereby incorporated by reference including any subsequent amendments and editions. This
material is available for -inspection at the Department of Environment, Heaith;.and Natural Resources, Division of .$arid Waste
Management, 401 Oberlin Road, Raleigh, North Carolina 27605 where copies can be obtained at no cost.
(4) Facilities or practices shall not damage or destroy an archaeofogical or historical site.
(5) Facilities. or practices shall not cause an adverse impact on a state park, racreation or scenic area; or any other lands 'included in the state
nature and historic preserve.
(6) Facilities .shall not be located in any wetland as defined :in the Clean.Water Act, Section 404;b).
(7) it must be shown that adequate suitable soils are available for cover; either from on or off site.
(8) Land Clearing 'and Inert Debris landfills shall. meet the following surface and ground water requirements:
(a) Facilities or. practices shall not cause a discharge of pollutants into waters of the state that is in violation of the requirements
of the National Pollutant Discharge Elimination System (NPDES), under Section 402 of.the Clean Water Act as amended,
(b) Facilities or practices shall not cause a discharge of dredged materials or fill material into waters of the state that is in violation
of the requirements under Section 404 of the CleamWater Act, as amended.
(c) Facilities or practices shall not cause non -point source pollution of waters of the state that violates assigned water quality
standards.
(d) Waste in landfills with a disposal area greater than two acres shall be placed a minimum of four feet above the seasonal high
water table, except where an alternative separation is approved by the Division.
(e) Waste in landfills with a disposal area less than two acres shall be placed above the seasonal high water table.
(9) The facility shall meet the following minimum buffer requirements:
(a) 50 feet from the waste boundary to all surface waters of the state as defined in G.S. 143-212.
(b) 100 feet from the disposal area to property lines, residential dwellings, commercial or public buildings, and wells
(c) Buffer. requirements maybe adjusted as necessary to insure adequate protection of public health and the environrnent.
(10) The facility shall meet all requirements of any applicable zoning ordinance.
0585 OPERATIONAL REQUIREMENTS FOR LAND CLEARING AND INERT DEBRIS (LCID) LANDFILLS
Land Clearing and inert Debris (LCID) landfills shall meet the following operational requirements:
(1) operational plans shall be approved and followed as specified for the facility.
(2) The facility shall only accept those solid wastes which it is permitted to receive.
(3) Solid waste shall be restricted to the smallest area feasible and compacted as densely as practical into cells.
(4) Adequate soil cover shall be applied monthly, or when the active area reaches one acre in size, whichever occurs first.
(5) 120 calendar days after completion of any phase of. disposal operations, or upon revocation of a permit, the disposal area shall be covered'
with a minimum of one foot of suitable soil cover sloped to allow surface water runoff in a controlled manner. The Division may require
further action in order to correct any condition which is or may become injurious to the public health„ or a nuisance to the community.

(6)�
Adequate erosion control measures, structures, or devices shall be utiNzed to prevent silt from leaving the site and to prevent excessive
on site erosion. "
(7)
Provisions for a ground cover sufficient to restrain erosion. must be accomplished within 30. working days .or..120 calendar days. upon
completion of any phase of landfill development.
(81
The facility skull be adequately secured by means of gates, chains, berms; fences, etc. to prevent unauthorized access except when an
operator is on duty, An attendant shall be on duty at. all times. whilethe landfill is open for pubiic use to assure compliance with
operational requirements and to prevent acceptance of unauthorized wastes.
(8)
Access roads shall be of all-weather Construction and properly maintained.
(10)
Surface water shall be diverted from the working face and shall not be impounded over waste.
a
11 1)
Solid waste shall not be disposed of in water.
(12)
open burning of solid waste is prohibited.
(13)
The concentration of explosive gases generated by the facility shall not exceed:
(a) Twenty-five percent of the lower explosive Jima: for,the gases in facility structures.. ;
(b) The lower explosive limit for the gases at the properiy boundary,
114)
Leachate shall be properly managed on site through the use of current best'managenient practices.
(15)
Should the Division'deem it necessary, ground water or surface water monitoring, or both, may be required as provided for under Rules.
.0601 and .0602 of this Subchapter.
(18)
A sign shall be posted at'the facility entrance showing the contact name. and number incase of art emi:rgency and the permit number.
The permit number requirement is not applicable for facilities hot requiring an individual. permit.
Certification by Land Owner:
1 certify that the information provided by me In this notification is true, accurate, and complete to the
best of my knowledge.. The facility siting and disposal operations of this Land Clearing & Inert. Debris
landfill will comply with the requirements of Sections .0.5.63,..0564 and .0566.of 15A NCAC 13B,
North Carolina Solidi Waster Management Rules. The facility. and ,operations of this landfill will also
comply with all applicable Federal, State, and Local laws, rules, regulations, and ordinances. Where the
operator is different from: the landowner; 1, the land owner, have knowledge of the operator's plans
to dispose. of solid waste on. the .land and. I specifically grant permission for the operation of the landfill.
l understand that both the land owner and operator are jointly and severally liable for improper
operations and proper closure of the landfill as provided for by North Carolina General Statute 130A-
309.27. 1 further understand that North Carolina General Statute 1,30A-22 provides for administrative
penalties of up to five thousand dollars f$5,000.00) per day per each violation of the Solid Waste
Management Rules. I further understand that the Solid Waste Management Rules may be revised or
amended in the future .and that the facility siting and oper ns of this landfill will be required to
comply with all such revisions or amend s..
Ellis Williford Z� 12-�7
..........
Print Name (Owner) Signature Date
County Manager
North Carolina
Wilson County
a Notary Public for said County and State, do hereby certify
thatpersonally appeared before me this day and acknowledged the
,,due execution of the foregoing instrument.
Witness my hand and official seal, thisthe .. /r day of : �
44������£ si�i. a(�a�C: ✓'I•'LSf. 4.i f�,,... �., �.y
otary Public
n
z3
My cer smisQi 3;expires � err
'° T`+ad Cana � • �"
NORTH CAROLINA, WILSON COUNTY
The foregoing certificate(s) of ------- ......................................
-------------------------------------------------------------------- ------------------------------------ and _................
Notary(ies) Public is (a ) rtified to be corn] Thi's instrument was presented f r str r nand recorded
in t i fice in Book .L-IL
.... Page . ..7a.....,.... -this - --1--------- day of. t..........-.
..D., ck �........-. M.
. ... V' .......... .. .. By-- - - --- -------
Wilson ........:.........:.
Register of Deeds, County Regisfer of Deeds

Certification by Landfill.,.Operator (if different. from Owner):
I certify that the information provided by me in this notification is true, accurate, and complete to the
best of my knowledge.. The facility siting and :disposal operations: of this Land Clearing & Inert Debris
landfill will comply with the requirements of Sections .0563; .0564 and .0566 of 1.5A NCAC 13B,
North Carolina Solid Waste Management Rules. The facility and operations of this landfill Will. also
comply with all applicable Federal, State, and Local laws, rules, regulations, and ordinances. l have
informed the land owner of my plans to dispose of solid waste on the :Land and.,the,land owner.has
specifically granted permission for the operation of the landfill.. I understand that both the operator and
land owner are jointly and severally liable for improper operations and proper closure of the landfill as
provided for by North Carolina General Statute 1.30A-309.27. I further understand that North Carolina
General Statute 130A-22 provides for administrative 'penalties of up to five thousand dollars
($5,000,00.) per day per each violation of the Solid Waste Management .Rules. I further understand that
the Solid Waste Management Rules may be revised or amended in the future and that the facility siting
and operations of this landfill will be required to comply with all such revisions or amendments.
Print fume (Operator)
North Carolina
Signature (Operator)
County
Date
a Notary Public for said County and State, do hereby certify
that personally appeared before me this day and acknowledged the
due execution of.the foregoing instrument;
Witness my hand and official seal, this the day of 19
(Official Seal)
Notary Public
My commission... expires 19
For additional land owners and landfill operators, attach separate notarized certifications for each
additional land owner and landfill operator.
For Corporate -land owners and{or operators, use the Corporate Certifications, pages,5 and 6. Contact
the Division of Solid Waste Management for proper applicable certifications..
INSTRUCTioNS
Purpose: Notification of Land Clearing and Inert Debris €.andfiiis under two (2) acres in size is required under 15 NCAC 13B .0563{2iia1.
Contact the Solid Waste Section at the address below for further information.
Distribution: Mail completed recorded original notification tof the folicwing address:
Division of Solid Waste Management
Solid Waste Section
PO Box 2760
Raleigh, North. Carolina 27611-7637
{919) 733-0692
Disposition: This form will be transferred to the State Records Censer when reference value ends. Records will be held for agengy;in the
State Records Center five I51 additional years and then transferred to the custody of the Archives.
0

F
�aCw0
February 17, 1997
TO:
From:
Subject:
DEPARTMENT of
SOLI® WASTE MANAGEMENT
P.O, BOX 1728
WILSON, NORTH CAROLINA 27893
TELEPHONE [phone]
Jim Barbour
Steve Clayton
LCID Facility - Wilson Comity Landfill
Please find enclosed the Land Clearing and Inert Debris Landfill Notification for a
planned LCID Landfill at the Wilson County Landfill. The facility will initially be used
t for the disposal of woody storm debris created by Hurricane Fran.
If you have questions, please contact me at [phone].
MIDI.
......................
ti
AN EQUAL OPPORTUNITY / AFFIRMATIVE ACTION EMPLOYER

State of North Carolina
Department of Environment,
Health and Natural resources
Division of Waste Management
James B. Hunt, Jr., Governor
Jonathan B. Howes, Secretary
William L. Meyer, Director
February 27, 1997
Mr. Steve Clayton, Director
Wilson County Solid Waste Management
P.Q. Box 1728
Wilson, North Carolina 27894--1728
Ref: Wilson County Land Clearing & Inert Debris Notification
site located in Wilson, Wilson County, North Carolina.
Described in the deed recorded in
BOOK: 1396 PAGE: 708.
Mr. Clayton:
The Solid Waste Section has received your Land Clearing and Inert
Debris landfill otification. As long as your disposal activities
remain under 2 acres, you may operate under the provisions of this
notification. If your landfill disposal activities grow in size to
more than 2 acres_,_ please contact the Solid Waste _Section. for.
......... ......... ..
assistance in obtaining an individual permit.
If this property is sold, leased, conveyed or transferred, thedeed
or other instrument of transfer shall contain in the description
section, in no smaller type than used in the body of the deed or
instrument, a statement that the property has been used as a Land
Clearing and Inert Debris landfill.
Amendments or revisions to the Solid Waste Management Rules or
violation of groundwater standards may necessitate modification of
the construction and operation of this facility or closure of this
facility.
RO. Box 27687, - FAX [phone]
Raleigh, North Carolina 2761 1-7687 NVf An Equal Opportunity Affirmative Action Employer
Voice 919-733-4996 rqmm�� 50% recycled/101% post -consumer paper

Mr. Clayton
Page 2
February 27, 1997
This notification is not transferrable.
The Land Clearing and Inert Debris landfill shall receive only:
�► Land Clearing Waste as provided for in 15A NCAC 13B
.0101(72); stumps, trees, limbs, brush, grass, and other
naturally occurring vegetative material.
• Inert Debris and untreated wood as provided for in 15A
NCAC 13B .0101(73); concrete, brick, concrete block,
uncontaminated soil, gravel and rock, untreated and
unpainted wood.
• Used asphalt as provided for under NortAa Carolina General
Statute §130A-309.0.9B(a)(1); used asphalt or used asphalt
mixed with dirt, sand, gravel, rock, and concrete.
Site preparation and construction shall be in accordance with 15A
NCAC 13D .0564, Siting Criteria For Land Clearing and Inert Debris
(LCID) Landfills.
The facility must be operated in accordance with 15A NCAC 13B
.0566, Operational Requirements for Land Clearing and Inert Debris
(LCID) Landfills.
All sedimentation and erosion control activities shall be conducted
in accordance with 15A NCAC 4, Sedimentation Control. Construction
and operations involving sedimentation and erosion control
activities greater than 1 acre typically require approval from the
Land Quality Section. Contact the Land Quality Section to determine
if your activities require approval at 919-571-4'/00.
Ground water quality at this facility is subject to the
classification and remedial action provisions of 15A NCAC 2L,
Classifications and Water Quality Standards.

Mr. Clayton
Page 13
February 27, 1997
If you have any questions or if we can provide any other
assistance, pleai�7w: do not hesitate to contact tbi Regional. Waste
Management Specialist, Mr. Mark Fry at (910) 45. .1191.
Thank you,
J' B rare er
astern Area Engineer
Solid Waste Section
A owed:
1 C'(
es C. Coffey, visor
ermitting Branch
Solid Waste Section
... ........ ....... .. ......... .........
copy: Terry Dover
Ben Barnes.
�eigh Central. File: Wilson County LCID notification

DocuSign Envelope ID: E51ED747-AO69-4262-BOCD-A46BE9924906
Attachment
Legal Description of Property
Permit to Construct Application
Westside LCID Landfill
Wilson County, North Carolina

Westside Property Description
Subject: Westside Property Description IN CPLF:�
Date: Mon, 30 Aug 2004 14:32:10 -0400
From: "Crary Ahlberg" <[e-mail]>
To: "Jim Barber" [e-mail]7
Jim,
Based on the Recombination Plat prepared by Herring Sutton, attached is the proposed legal description
of the property for the Westside permit. We have excluded the buffer acreage for facility permitting,
estabishing a separation from the MSW facility. Please feel free to edit in any changes you would like to
see and reply.
Thanks,
Gary 161a,
q �r�
Name: Westside Facility Property
4permit.doc
Type: Winword File
(appl ication,l msword)
l ...
Encoding: base64]Westside Facility Property4permitdflc
................................................----___
Description: Westside Facility Property
4permit.doc
Download Status: Not downloaded with
message
C7
1 of 1 08/31/2004 1:04 PM

Description of Tract 1, Plat Book 32, Page 13
BEGINNING at a point located at the northwesterly corner of Tract 1 on a map entitled
"Recombination Plat, Wilson County Landfill" as recorded in Plat Book 32, Page 13 of
the Wilson County Registry, thence from said point of BEGINNING running along the
northerly line of the aforementioned Tract 1 S 56°44'20'7E 2046.65 feet to a point,
cornering, thence running along the easterly line of the aforementioned Tract 1
S 44°30'40"W 3290.20 feet to a point on the traverse line of the Buck Branch, cornering,
thence ruining along the traverse line of the Buck Branch the following courses and
distances N 2737'56"W 52.53 feet, N 2797"56W 541.38 feet, N 15046'04'T- 450.77
feet, N 42058'44"E 258.20 feet, N 09017'36"W 208.83 feet, N 32042'36"W 402.81 feet,
N 19°17'26"W 321.17 feet, N 23055'24"E 631.57 feet, N 400451347E 454.57 feet,
N 29°58'24"E 456.29 feet, N 43042'14"E 209.68 feet and N 50015'59"E 5.12 feet to the
point of BEGINNING and containing 103.76 acres and being all of Tract 1 on the map
entitled "Recombination Plat, Wilson County Landfill" as recorded in Plat Book 32, Page
13 of the Wilson County Registry.
Tract 1 is also subject to a 3.76 acre buffer as shown on the aforementioned map and
described as follows BEGINNING at the northeasterly corner of Tract 1 on the map
entitled "Recombination Plat, Wilson County Landfill" as recorded in Plat Book 32, Page
13 of the Wilson County Registry and running along the easterly line of the
aforementioned Tract I S 44°30'40"W 3290.20 feet to a point, cornering, thence leaving
said line N 27°37'56"W 52.53 feet, N 44030'40"E 3264.15 feet and S 56°44'20'T 50.98
to the point of BEGINNING. According to the Solid Waste Permit issued for the
Westside Construction. and Demolition l.andfll Facility, the facility property excludes
the 3.76 acre buffer described herein.
M:IWORDIDI<SC\WilsonCountyLandf-ill-Tract 1-PB32PG13, doc
0

100 0
05
I1C G1uD NO 8= (�o'
/
/
/
/
/
/
LEGEND
® PROJECT LOCATION
GRAPHIC SCALE
N/F
CITY OF WILSON
DB 1773 PG 82
PIN: 3731-38-8680
ZONE: RA-6S
N
HAPPY VALLEY COUNTRY
CLUB INC.
DB 1137 PG 851
PIN: 3731-36-9458
ZONE: RA-12S
N/F
PD BULLARD &
NANCY B. BARBER
EF 98 PG 90
PIN: 3732-40-5855
ZONE: A-1
/ ELIZABETH WF SPEIGHT
DB 2274 PG 757
PIN: 3732-64-5287
ZONE: A-1
COUNTY
I
DBB 215 2150 PG 709
�
1
PIN: 3732-52-9078
\
\
h
\ WILSON COUNTY
\ \ DB 1577 PG 567
\ \ PIN: 3731-59-7732
1
1
WILSON COUNTY
DB 1577 PG 567
PIN: 3731-68-2593
1
/ 1 i
WILSON COUNTY
DB 1930 PG 792
PIN: 3731-77-5687
N/F
WOODARD FARM NO 1842
PARTNERSHIP / \
DB 1380 PG 319
PIN: 3731-73-3207
ZONE: A-1 /
/ WILSON COUNTY /
DB 1562 PG 165
/ PIN: 3731-97-0501
/
/
\
\
\
\
\
\
\
\
\
\
\
\
\
\
\
\
\
N/F
KENDALL W. SHARP &
CH SHARPE &
WILLIAM B SHARPE
DB 1782 PG 385
PIN: 3741-47-0282
ZONE: A-1
WILSON COUNTY
DB 1562 PG 165
PIN: 3741-16-0980
SD '°° 200 400 LANDFILL ROAD
(60' PUBUC R/W)
( IN FEET )
1 inch = 100 ft.
CARD
ESS/p,��9--- BARTLETT
SEAL9l ENGINEERING & SURVEYING, PC
20106 = 1906 NASH STREET NORTH TELE: [phone]
0 FN� E�� �``
----�IN 4 WILSON, N.C. 27893-1726 FAX: [phone]
�.�T S. BP�����EMAIL: info®bartletteng.com
/11111111
LSON COUNTY
6VS - 2426
3731-99-4342
N/F
NANCY JOHNSTON PEABODY
NO REFERENCE
PIN: 3731-99-4342
ZONE: AR
WILSON COUNTY
DB 2338 PG 867
PIN: 3732-63-3306
� I
BIJLLARD
(FORM RT
CQU
WILSON COUNTY
DB 2150 PG 709
PIN: 3732-62-8665
SR 1501)
CO�R eu�
NR���
,�KER (60 P�
N/F
GRACE MOORE 4/51NT &
MORE MELCHIOR FARM
PARTNERHSIP 1/ 5
DB 1790 PG 440
PIN: 3732-82-3737
1 ZONE: AR
- 1 I
/ GRACE MOORE 4/5 INT &
MORE MELCHIOR FARM \
I PARTNERHSIP 1/5 1
\
DB 1790 PG 440 \ \ \
I PIN: 3732 71-7354 N/F
I I AUGUST SHELBY MELCHIOR\
/ & META MOORE MELCHIOR \
/ DB 1137 PG 672
\N ZONE: BA1982
R \
N/F \
LISA JENELL
MOORING /
I: 3732-70-8541I 1 / N/F
EF 2008 PG 0 / CRAIGE RAMSAY MOORE
ZONE: RA-M & KATHLEEN PITTMAN
1 1 / MOORE /
— - - - I DB 1552 PG 406
PIN: 3732-81-3564 /
ZONE: AR /
N/F \ /
WILLIAM R. WILLIAMSON \ /
PIN: 3732-80-3370/
DB 1216 PG 360 \ /
ZONE: RA-M
,y
/
/ N/F
/ HB JOHNSON HEIRS
/ NO REFERENCE
PIN: 3742-01-8855
/ ZONE: AR
I
1
I
/
/
/
/
/ N/F
MARION LAFAYETTE PRIDGEN, JR
& EVA SULLIVAN PRIDGEN
I NO REFERENCE
PIN: 3742-21-2003
ZONE: AR
I /
I
I �y
I n�
i
I�N
I
N/F
I ELIZABETH W. SPEIGHT
i DB 2274 PG 757
IPIN: ZONE: 6AR 5287
N/F \ \
MARION LAFAYETTE PRIDGEN, JR
& EVA SULLIVAN PRIDGEN
NO REFERENCE
PIN: 3742-30-2601
\ ZONE: AR
\
N/F
SA GLOVER & SONS INC
NO REFERENCE
PIN: 3741-39-2178
ZONE: AR
N/F \
LILLIAN M. WRIGHT
EF 1999 PG 0
PIN: 3741-28-9161
ZONE: AR
THIS SHEET INTENDED TO SHOW THE OVERALL LANDFILL SITE
AND THE PROJECT AREA FOR THIS PROJECT
NC H 42
LOCATION MAP
NO SCALE
SITE DATA
TOTAL AREA 709f ACRES
ZONING AR
MIN. BLDG. LINES FRONT 35'
SIDE 15'
REAR 30'
REFERENCE: DB
1562
PG
165
DB
1577
PG
567
DB
1930
PG
792
DB
2150
PG
709
DB
2338
PG
867
NOTES
— AREAS COMPUTED BY COORDINATE CALCULATIONS
— NO GRID MONUMENT FOUND WITHIN 2000'
— COORDINATES SHOWN ON PLAT ARE HORIZONTAL COORDINATES
UNLESS STATED OTHERWISE.
— ALL DISTANCES SHOWN ARE HORIZONTAL
— ALL RIGHTS —OF —WAY ARE PUBLIC UNLESS NOTED OTHERWISE
— WETLANDS, IF ANY, HAVE NOT BEEN DELINEATED
— THIS PROPERTY IS NOT LOCATED IN A SPECIAL FLOOD HAZARD AREA
— THIS PROPERTY IS NOT LOCATED IN A PROTECTED
WATERSHED AREA
— THERE ARE NO CEMETERIES VISIBLE.
— THIS PROPERTY IS SUBJECT TO ALL RIGHTS —OF —WAY, EASEMENTS,
RESTRICTIVE COVENANTS AND ORDINANCES.
— THIS IS NOT A BOUNDARY SURVEY.
— BOUNDARY AND TOPOGRAPHICAL INFORMATION PROVIDED FROM
WILSON COUNTY TAX MAPS, NCDOT DIGITAL TOPOGRAPHY, AND
FIELD SURVEY BY BARTLETT ENGINEERING & SURVEYING, PC.
DATE:
WILSON COUNTY LANDFILL OCT. 2009
OVERALL MAP SCALE.
(MULCH STORAGE, YARD WASTE COLLECTION, WHITE GOODS COLLECTION AREAS) 1" = 100'
2400 NC HIGHWAY 42 EAST REVISIONS:
PROJECT: 09158
CLIENT CODE: WC
CADFILE: 09158TP2
FIELD BOOK:
DRAWN BY: CEP
SURVEY BY: TB,KP,LP
; ".1 :41 I213mfemilLF•�:IIg
NORTH CAROLINA
PIN # 3732-52-9078
ZONE: AR
SHEET SP1
P:\_CADD\_LANDPROJECTS\WC\09158\DWG\09158SP1B.DWG 8/10/2018 8:50:18 AM

Pagel of 3
Type: CRP
Recorded: 4/20/2021 12:14:44 PM
Fee Amt: $0.00 Page 1 of 3
Wilson, NC
Lisa J. Stith Register of Deeds
BK 2891 PG 453 - 455
This instrument prepared by Stephen L. Beaman, Box 1907, Wilson NC 27894-1907 [phone], who is a licensed
North Carolina attorney. Delinquent taxes, if any, to be paid by the closing attorney to the county Tax Collector upon
disbursement of closing proceedings.
Return to Stephen L. Beaman
Brief description; Wilson County Landfill
RECOMBINATION DEED
NORTH CAROLINA
Stamps: $0.00
WILSON COUNTY
PIN:3732-52-9078
THIS RECOMBINATION DEED is made as of this 12th da! of April, 2021, by and between:
GRANTOR GRANTEE
WILSON COUNTY, a body politic and WILSON COUNTY, a body politiCand
corporate of the State of North Carolina corporate of the State of North Carolina
PO Box 1728 PO Box 1728
Wilson, NC 27894-1728 Wilson, NC 27894-1728
(the designation Grantor and Grantee as used herein shall include said parties, their heirs, successors, and assigns,
and sha11 include singular, plural, masculine, feminine or neuter as required by context);
WITNESSETH:
The Grantor, for a valuable consideration paid by the Grantee, the receipt of which is
hereby acknowledged, has and by these presents does grant, bargain, sell, and convey unto the Grantee in
fee simple, all that real estate situated in WILSON COUNTY, North Carolina, and more particularly
described as follows:
DESCRIPTION SET FORTH in Exhibit or Schedule A attached hereto.
TO HAVE AND TO HOLD the aforesaid real estate and all privileges and appurtenances
thereto belonging to the Grantee in fee simple.
submitted electronically by "Beaman & Bennington, PLLC"
in compliance with worth Carolina statutes governing recordable documents
and the terms of the submitter agreement with the Wilson County Register of Deeds.
Book:2891 Page: 453 Seq:1

Page 2 of 3
TO HAVE AND TO HOLD the aforesaid real estate and all privileges and appurtenances thereto
belonging to the Grantee in fee simple.
IN TESTIMONY WIIEREOF, the Grantor has caused this deed to be duly executed on the day and
year first above written.
I LW
(SEAL)
'•`'��;;yr, ctie �' 'tisianers
44
. ,
WILSON COUNTY
WILSON COUNTY
• (SEAL)
Rob Boyetie, CI ai^ rm
Wilson County Board of Commissioners
r
I
I_ �� L a Notary Public, do hereby certify that
_ personally appeared before me this day and acknowledged that
he/she the CIerk of W]LSON COUNTY BOARD OF COMMISSIONERS, a body politic and corporate of
the state of North Carolina, and that by authority duly given and as the act of WILSON COUNTY, the
foregoing instrument was signed in its name by its Chairman, sealed with its corporate seal, and attested by
its clerk.
Witness my hand and official seal, this U¢kday of April, 2021.
My Co fission E
Notary
�+sk
.'re�w- Adl-4 r.-
i X%071AR V
MY
ciTM—kM�:
1 _ Pi.r1soc'. 211
Book:2891 Page:453 Seq:2

Page 3 of 3
EXHIBIT A
Lying and being in Gardners Township, Wilson County North Carolina, and being all of the
parcels or tracts of land described in the following deeds of record in the Wilson County Register
of Deeds:
Book 1091, page 627
Book 1110, page 159
Book 1396, page 708
Book 1562, page 165
Book 1577, page 567
Book 1930, page 792
Book 2150, page 709
Book 2213, page 1
Book 2338, page 867
All of the property included in this conveyance is also shown in the 2021 Wilson County GIS
records under PIN 3732-52-9078, reference to which is hereby made and incorporated herein.
Book:2891 Page:453 Seq:3

DocuSign Envelope ID: E51ED747-AO69-4262-BOCD-A46BE9924906
Attachment C
Zoning Documentation
Permit to Construct Application
Westside LCID Landfill
Wilson County, North Carolina

Wilson
County
North Carolina
wilson-co.com
Andy Davis, Director
Development Services
Mark M. Johnson, Director
2201 Miller Road, South I POB 1728 1 Wilson, NC 27894-1728 1 Fax: [phone]
Wilson County Solid Waste Services
P.O. Box 1728
Wilson, N.C. 27893
Subject: Zoning Determination Tax Parcels 3732-52-9078 and 3732-62-8665
The above subject property is zoned AR (Agricultural Residential). Solid Waste Landfills are
permitted in all AR zoning districts with an approved Special Use Permit. However, the
operation of the Wilson County Landfill pre -dates Wilson County's adoption of zoning
regulations and therefore is not required to be granted a Special Use Permit.
The current use and operation of the Wilson County Landfill meets all local zoning regulations.
The proposed expansion is c6nfined to property already under the ownership and is used to some
degree by the Wilson County Landfill. However, if the "footprint", which consist of the area in
which debris material is disposed is expanded the most recent N.C. Solid Waste Rules shall
apply. (Per Section;irector
Wils n Co. U.D.O.)
Mark M. Johnson,
Wilson County Development Services

DocuSign Envelope ID: E51ED747-A069-4262-BOCD-A46BE9924906
Attachment
Operations Manual
Permit to Construct Application
Westside LCID Landfill
Wilson County, North Carolina

DocuSign Envelope ID: C7A21728-A8E3-4B37-895F-378D2598D515
Operations Manual
Wilson County LEIB Landfill
Wilson, North Carolina
Prepared for:
Wilson County Solid Waste Services Department
Wilson, North Carolina
OF
� Z
CA
May2023
Prepared by:
SMITH+GARONER
14 N. Boylan Avenue, Raleigh NC 27603 1 919.828.0577
O 2023 Smith Gardner, Inc.
This document is intended for the sole use of the client for which it was prepared and
for the purpose agreed on by the client and Smith Gardner, Inc.

DocuSign Envelope ID: C7A21728-A8E3-4B37-895F-378D2598D515
Operations Manual
Wilson County LCID Landfill
Wilson, North Carolina
Prepared For:
Wilson County Solid Waste Services Department
Wilson, North Carolina
S+G Project No. WILSON-22-4
DocuSigned by:
Spencer W. Hollomon, P.E.
Project Engineer
FDocuSigned by:
11�1 u' fwiK.cu
r� eehra�
W. Mic ael rinchek P.E.
Senior Project Manager
May 2023
CARO
SEAL
i 028426
04,
SMITH GARDNER
14 N. Boylan Avenue, Raleigh NC 27603 1 919.828.0577

DocuSign Envelope ID: C7A21728-A8E3-4B37-895F-378D2598D515
Wilson County LCID Landfill
Wilson, North Carolina
Operations Manual
Table of Contents Page
1.0 GENERAL FACILITY OPERATIONS.............................................................................. 1
1.1
Contact Information................................................................................................ 1
1.1.1 Owner.......................................................................................................... 1
1.1.2 Engineer......................................................................................................1
1.1.3 North Carolina Department of Environmental Quality ............................... 2
1.2
Facility Operating Hours......................................................................................... 2
1.3
Site Access.............................................................................................................. 2
1.3.1 Physical Restraints..................................................................................... 2
1.3.2 Security.......................................................................................................3
1.4
Signage....................................................................................................................3
1.5
Communications.....................................................................................................3
1.6
Fire Control............................................................................................................. 3
1.6.1 Open Burning.............................................................................................. 4
1.6.2 Fire Tetrahedron......................................................................................... 4
1.6.3 Equipment...................................................................................................4
1.6.4 General Fire Management Strategies........................................................ 5
1.6.5 Surface Emissions...................................................................................... 5
1.6.5.1 Steam............................................................................................5
1.6.5.2 Smoke........................................................................................... 5
1.6.6 Fires Within Disposal Areas........................................................................ 6
1.6.7 Notification..................................................................................................6
1.7
Severe Weather Conditions..................................................................................... 6
1.7.1 Ice Storms................................................................................................... 6
1.7.2 Heavy Rains................................................................................................. 6
1.7.3 Electrical Storms........................................................................................ 7
1.7.4 Windy Conditions......................................................................................... 7
1.7.5 Violent Storms............................................................................................. 7
1.8
Equipment Requirements....................................................................................... 7
1.9
Personnel Requirements........................................................................................ 8
1.10
Health and Safety.................................................................................................... 8
1.10.1 Personal Hygiene....................................................................................... 8
1.10.2 Personal Protective Equipment................................................................. 8
1.10.3 Mechanical Equipment Hazard Prevention ............................................... 9
1.10.4 Employee Health and Safety...................................................................... 9
1.10.5 Physical Exposure...................................................................................... 9
1.10.6 Safety Data Sheets..................................................................................... 9
1.11
Record Keeping Program......................................................................................10
Wilson County - Westside
LCID Landfill Operations Manual
May 2023
Table of Contents Page i

DocuSign Envelope ID: C7A21728-A8E3-4B37-895F-378D2598D515
2.0
WASTE HANDLING OPERATIONS.............................................................................
11
2.1
Acceptable Material...............................................................................................11
2.2
Prohibited Debris...................................................................................................11
2.3
Facility Operation...................................................................................................11
2.4
Operating Capacity.................................................................................................12
2.5
Debris Screening...................................................................................................12
2.5.1 Receiving and Inspection...........................................................................12
2.5.2 Hazardous Waste Contingency Plan..........................................................13
2.6
Off -Site Soil............................................................................................................14
2.7
Disposal..................................................................................................................15
2.7.1 Access........................................................................................................15
2.7.2 General Procedure.....................................................................................15
2.8
Cover......................................................................................................................16
2.8.1 Periodic Cover............................................................................................16
2.8.2 Intermediate Cover....................................................................................17
2.8.3 Final Cover.................................................................................................17
2.9
Height Monitoring..................................................................................................17
3.0
RECOVERY AND PROCESSING OPERATIONS...........................................................
19
3.1
Recovery (Mining) Operations................................................................................19
3.2
Wood Debris Processing Operations.....................................................................19
3.2.1 Grinding/Chipping......................................................................................19
3.2.2 Screening...................................................................................................19
3.3
Markets..................................................................................................................20
4.0
ENVIRONMENTAL
MANAGEMENT...........................................................................
21
4.1
Surface Water Control...........................................................................................21
4.1.1 Surface Water Run -On Control..................................................................21
4.1.2 Active Face Run -Off Control......................................................................21
4.1.3 Erosion Control..........................................................................................21
4.1.4 Sedimentation Control...............................................................................22
4.2
Vector Control........................................................................................................22
4.3
Odor Control...........................................................................................................22
4.4
Dust Control...........................................................................................................22
5.0
QUALITY ASSURANCE AND REPORTING..................................................................
23
5.1
Overview.................................................................................................................23
5.2
Documentation.......................................................................................................23
TABLES
Table 1. Available Equipment........
Table 2. Personnel Requirements
Wilson County - Westside LCIO Landfill
May 2023
7
8
Operations Manual
Table of Contents Page ii

DocuSign Envelope ID: C7A21728-A8E3-4B37-895F-378D2598D515
FIGURES
Figure 1 Site Location Map
Figure 2 Facility Operations Flow Chart
APPENDICES
Appendix A Fire Occurrence Notification Form
Appendix B Debris Screening Form
Wilson County—Westside LCIO Landfill Operations Manual
May 2023 Table of Contents Page iii

DocuSign Envelope ID: C7A21728-A8E3-4B37-895F-378D2598D515
1.0 GENERAL FACILITY OPERATIONS
This Operations Manual was prepared for operation of the Wilson County Land Clearing and
Inert Debris (LCID) Landfill located in Wilson, North Carolina.
The continued use of the site will be conducted to comply with the rules stated under 15A NCAC
13B .0500. Figure 1 is a USGS map showing the site. Refer to Attachment J of the Permit
Application for a site map that illustrates the location of the proposed landfill unit.
The information contained herein was prepared to provide facility personnel with a clear
understanding of how the Design Engineer assumed that the completed facility would be
operated and how regulatory operations criteria will be met. While deviations from the
operations procedures outlined herein may be acceptable, they must be reviewed and approved
by the NC Department of Environmental Quality (DEQ) Division of Waste Management (DWM)
prior to implementation. Additionally, the Design Engineer should be consulted regarding
changes which may affect the facility design
1.1 Contact Information
All correspondence and questions concerning the Wilson County LCID Landfill (County)
operation should be directed to the appropriate personnel listed below. For fire or
police emergencies dial 911.
l.l.l Owner
Wilson County Solid Waste Services Department
2400 NC Hwy 42 East
Wilson, NC 27893
Phone: [phone]
Fax: [phone]
County Solid Waste Director
1.1.2 En ineer
Smith Gardner, Inc.
14 N. Boylan Ave.
Raleigh, NC 27603
Phone: [phone]
Primary Contact:
Andy Davis
W. Michael Brinchek, P.E.
mike(asmithaardnerinc.com
Wilson County-Westside LCID Landfill Operations Manual
May 2023 1.0 General Facility Operations Page 1

DocuSign Envelope ID: C7A21728-A8E3-4B37-895F-378D2598D515
1.1.3 North Carolina Department of Environmental Hual
North Carolina DEQ - Raleigh Central Office (RCO)
217 W. Jones Street
Raleigh, NC 27603
1646 Mail Service Center
Raleigh, NC 27699-1646
Phone: [phone]
North Carolina DEQ - Raleigh Regional Office PRO)
3800 Barrett Drive
Raleigh, NC 27609
Phone: [phone]
Fax: [phone]
Division of Waste Manaaement IDWMI - Solid Waste Section:
Environmental Engineer:
Donna Wilson (RCO)
Field Operations Branch Head:
Jason Watkins (WSRO)
Easter District Supervisor:
Drew Hammonds (FRO)
Environmental Senior Specialist:
John College (RCO)
Division of Energy, Mineral, and Land Resources (DEMLR):
Engineering Supervisor: Bill Denton, P.E. (RRO)
1.2 Facility Operating Hours
Normal hours of operation will be 8:00 A.M. to 4:30 P.M. Monday through Friday, and
8:00 A.M. to 12:00 P.M. on Saturdays. The facility will be closed on Sunday and on
holidays as designated by the County. The County may elect to modify these hours from
time to time.
1.3 Site Access
The site will be accessed by the existing entrance located at 2400 NC Highway 42 in
Wilson, North Carolina. Scales and a scale house and office are provided at the
entrance. All waste will have been weighed prior to being placed in the landfill.
1.3.1 Phvsical Restraints
Limiting access to the landfill facility is important for the following reasons:
• Unauthorized and illegal dumping of waste materials is prevented.
• Trespassing, and injury resulting therefrom, is discouraged.
• The risk of vandalism is greatly reduced.
Wilson County-Westside LCIO Landfill Operations Manual
May 2023 1.0 General Facility Operations Page 2

DocuSign Envelope ID: C7A21728-A8E3-4B37-895F-378D2598D515
Access to active areas of the landfill will be controlled by a combination of fences
and natural barriers, and strictly enforced operating hours. A landfill attendant
will be on duty at all times when the facility is open for public use to enforce
access restrictions (see also Section 1.2). The entrance has a gate which will be
securely locked during non -operating hours.
1.3.2 Security
Frequent inspections of gates and fences will be performed by landfill personnel.
Evidence of trespassing, vandalism, or illegal operation will be reported to the
County Solid Waste Director.
1.4 Si na e
A prominent sign(s) containing the information required by the DWM will be placed at the
facility entrance. The sign(s) will provide information on operating hours, operating
procedures, permit number, acceptable debris, and contact name and phone number in
case of an emergency. Additional signage will be provided as necessary within the
Landfill complex to distinctly distinguish the roadway to the active landfill unit(s). Service
and maintenance roads for use by operations personnel will be clearly marked and
barriers (e.g., traffic cones, barrels, etc.) will be provided as required. Site personnel
will routinely inspect the conditions of the posted signage to ensure that they are clearly
visible and intact. Damaged or missing signage will be replaced.
1.5 Communications
Two-way radio communication will be maintained between the active landfill unit, other
solid waste management facilities, the landfill scale house(s) and office. The scale
house(s) and office have telephones in case of emergency and for the conduct of day-to-
day business. Emergency telephone numbers are displayed in these locations. Most
staff also have cell phones.
1.6 Fire Control
The possibility of fire within the landfill or a piece of equipment must be anticipated in
the daily facility operation. Potential fire hazards include both surface and subsurface
conditions. Surface conditions include equipment operations and newly placed debris.
Subsurface conditions include existing debris previously landfilled.
Sources of fire at the facility can result from 'hot' loads or combustible materials being
discharged within the facility, the build-up of fine particulates inside the facility, or from
the mixing of incompatible materials during the transfer procedures.
Smoking is prohibited on the working face of the landfill.
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1.6.1 Open Burnin
Open burning is not allowed at the facility in accordance with 15A NCAC 13B
.056602). Controlled burning will occur only if permitted or approved by the
DWM, the Division of Air Quality (DAQ), and the local fire department.
1.6.2 Fire Tetrahedron'
To better understand the properties of fire, the
fundamental methods to extinguish it must be Fuel Oxygen
understood. The fire "tetrahedron" illustrates the
rule that to ignite and burn, each component of the
tetrahedron (fuel, oxygen, heat, and/or chemical
chain reaction) represents a property of flaming fire.
A fire is prevented or extinguished by "removing" any
one of them. A fire naturally occurs when the
elements are combined in the right mixture (e.g.,
more heat needed for igniting some fuels, unless there is concentrated oxygen).
The fire tetrahedron is a more modern adaptation of the traditional fire "triangle"
recognizing the chemical reactions that may occur as a component - "the
uninhibited chain reaction". This chain reaction is the feedback of heat to the
fuel to produce the gaseous fuel used in the flame. In other words, the chain
reaction provides the heat necessary to maintain the fire. These principles are
integral in the prevention and management of potential fire situations. Please
note this information is considered as a basis of understanding which may be
superseded by the direction and skill of the local Fire Marshal.
1.6.3 Equipment
A combination of factory installed fire suppression systems and/or portable fire
extinguishers will be operational on all pieces of heavy equipment at all times.
Potential fire hazards are created from the build-up of fine, dry dust particles on
and around operational motors and control panels. The presence of these build-
ups can cause overheating and potential fire if periodic equipment cleaning and
maintenance are not practiced. Portable fire extinguishers should be maintained
in a state of readiness on each piece of moving equipment and equipment should
be cleaned periodically. Staff shall be periodically trained on the proper
utilization of the fire extinguishers. The fire extinguishers are checked on a
regular basis to ensure their utilization. The date of the units' inspections is
documented on each tag.
National Fire Protection Association (www.nfpa.orgl.
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1.6.4 General Fire Management Strategies
Each fire situation is site/event specific; however, general strategies for active
fire management include the following (in no particular order):
• Accelerated high temperature combustion (displacing fuel);
• Covering burning material with soil (reduce oxygen);
• Covering burning material with foams (reduce oxygen);
• Flooding burning material with water (reduce heat);
• Injecting an inert gas such as CO2 (reduce oxygen);
• Excavating the burning material (displacing fuel) and then extinguishing it
in small controlled areas; and
• Applying extinguishing agents that will interfere with and inhibit the
combustion process at the molecular level (break the chemical reaction).
1.6.5 Surface Emissions
The presence of surface emissions in the form of steam or smoke may occur
from time to time. On -site personnel shall watch sensitive areas across the
cover for signs of these types of emissions.
1.6.5.1 Steam
Steam is pure water vapor, produced by evaporated water within the
debris mass. Ordinarily, steam is completely colorless. As steam cools
and condenses it becomes visible as water vapor and can produce a white
cloud which dissipates relatively quickly. It is odorless and tasteless.
Because the humidity is very high, the cloud may leave water droplets on
solids that touch it. Observed steam emissions on site will continue to be
monitored; changes will be reported to the site manager.
1.6.5.2 Smoke
Smoke consists of gases and soot. The gases typically include water
vapor, but smoke differs from steam in that there are other gases, such
carbon dioxide and sulfur oxides, plus there are small particles. The
types of particles depend on the source of the smoke, but usually you can
smell or taste either the soot or some of the gases from smoke. Smoke
may be white, but more commonly it is colored by its particles and will
Linger across the cover as the particles in the smoke are suspended.
Observed smoke will be covered with soil or other action to prevent fire
creating conditions and continue to be monitored until smoke is no longer
produced. The site manager will be notified when smoke is observed on
site.
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1.6.6 Fires Within Disposal Areas
Fires within the landfill disposal areas will be limited by the use of periodic cover
as a fire break and control of "hot" loads entering the landfill. Landfill personnel
at the guard house will turn away all trucks containing debris that is suspected to
be hot. If a hot load is placed on the working face, then the load will be spread as
thin as possible and cover soil will be immediately placed on the debris to
extinguish the fire.
In general, fires that break out close to the surface of the disposal area should be
excavated and smothered with cover material. Deep fires should be smothered
out by placing moist soil on the surface and by constructing soil barriers around
the fire. Where the smothering technique fails, the burning material must be
excavated and smothered or quenched with water once the burning material is
brought to the surface. Water is usually not effective unless it can be directly
applied to the burning material.
1.6.7 Notification
A copy of the site Operations Manual shall be filed with the local fire department
including all contact information for the facility.
The owner will verbally notify the DWM (Section 1.1.3) within 24 hours of
discovery of a fire within any landfill disposal area. In addition, written
documentation describing the fire, the actions carried out to extinguish the fire,
and a strategy for preventing future occurrences will be provided to the DWM
within 15 days following any such occurrence using the DWM's Fire Occurrence
Notification Form (Appendix A).
11 Severe Weather Conditions
Inclement weather conditions can directly affect landfill facility operations. Some
weather conditions and recommended operational responses are as follows.
1.?.1 Ice Storms
An ice storm can make access to the facility and disposal locations dangerous,
prevent movement or placement of daily cover, and, thus, may require closure of
the facility until the ice is removed or has melted. The determination to
discontinue activities due to inclement weather conditions will be made by the
Site Manager.
1.?.2 Heavy Rains
Rainy periods can create a muddy situation in areas of exposed soil. The control
of drainage and use of crushed stone on unpaved roads should provide all -
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weather access for the site and promote drainage away from critical areas. In
areas where the aggregate surface is washed away or otherwise damaged, new
aggregate should be used for repair.
Intense rains can affect newly constructed drainage structures such as swales,
diversions, cover soils, and vegetation. After such a rain event, inspection by
facility personnel will be initiated and corrective measures initiated to repair any
damage found before the next rainfall. In extreme cases the landfill will be
closed for employee and customer safety and to prevent excessive site damage.
1.?.3 Electrical Storms
Employees working on heavy equipment and open areas of the landfill and
recovery areas are susceptible to the hazards of an electrical storm. If
necessary, disposal activities will be temporarily suspended during such an
event. To guarantee the safety of all field personnel refuge will be sought, as
necessary, in the on -site buildings or in rubber -tired vehicles.
1.?.4 VVindv Conditions
Landfill operations during a particularly windy period may require the working
face be temporarily shifted to a more sheltered area. When this is done, the
previously exposed face will be immediately covered with soil.
1.?.5 Violent Storms
In the event of hurricane, tornado, or severe winter storm warning issued by the
National Weather Service, landfill operations may be temporarily suspended until
the warning is lifted. Cover will be placed on exposed debris and buildings and
equipment will be properly secured.
1.8 Equipment Requirements
Periodic equipment maintenance and minor and major repair work will be performed in
designated maintenance zones outside the facility.
The available equipment for site operation and maintenance are listed in the following
table. However, the operator may change as needed.
Table 1. Available Eauioment
Description
Primary Function (Allocation)
1)
Excavator
Soil excavation, LCID landfill mining and sorting
2)
Dozer
placement and grading
3)
Front End Loader
Loading, mixing, and turning
4)
Dump Truck
Hauling material around site
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1.9 Personnel Requirements
The anticipated personnel requirements for site operation and maintenance are listed in
the following table. However, personnel may be adjusted as needed.
Table 2. Personnel Requirements
Description
Primary Function (Allocation)
1) Site Manager - 1
Overall management of the site, receiving and
cataloging of incoming loads
2) Operator - 1
Management of transfer station and the landfill
area
3) Labor - 1
General labor and operational staff around site
1.10 Health and Safety
All aspects of landfill operations were developed with the health and safety of the
operating staff, customers and neighbors in mind. Safety equipment provided includes
equipment rollover protective cabs, seat belts, audible reverse warning devices, hard
hats, safety shoes and first aid kits. Facility personnel will be encouraged to complete
the American Red Cross Basic First Aid Course. A member of the operating staff is the
designated site safety officer; who works with the facilities management to ensure the
site's safety and emergency response program is consistent with the Occupational
Safety and Health Administration (OSHA) guidance. Other safety requirements as
designated by the owner may also be implemented.
1.10.1 Personal Miene
The following items are recommended as a minimum of practice:
• Wash hands before eating, drinking, or smoking.
• Wear personal protective equipment as described in Section 1.10.2.
• Wash, disinfect, and bandage ANY cut, no matter how small it is. Any
break in the skin can become a source of infection.
• Keep fingernails closely trimmed and clean (dirty nails can harbor
pathogens).
1.10.2 Personal Protective Equipment
Personal Protective Equipment (PPE) must be evaluated as to the level of
protection necessary for particular operating conditions and then made available
to facility employees. The list below includes the PPE typically used and/or
required in a solid waste management facility workplace.
• Safety shoes with steel toes.
• Noise reduction protection should be used in areas where extended
exposure to continuous high decibel levels is expected.
• Disposable rubber latex or chemical resistant gloves for handling and/or
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sampling of debris materials.
• Dust filter masks (voluntary).
• Hard hats (in designated areas).
• Safety vests
Following use, PPE's should be disposed of or adequately cleaned, dried, or
readied for reuse.
1.10.3 Mechanical Equipment Hazard Prevention
Equipment should be operated with care and caution. Safety apparel should be
worn at all times. All safety equipment such as horns, backup alarms, and lights
should be functional. A Lockout-Tagout program will be used to identify
equipment in need or under repair and ensure that operation is "off-limits" prior
to maintenance or repair. All operators will be trained in the proper operation of
equipment.
1.10.4 Employee Health and Safety
Some general safety rules are:
• Consider safety first when planning and conducting activities.
• Review the equipment D&M manual(s) prior to attempting
repairs/changes.
• Remember the buddy system for mechanical equipment repair.
• Post emergency contact phone numbers.
• Provide easy and visible access to the Right to Know materials.
• Provide easy and visible access to first aid kits and fire extinguishers.
1.10.5 Physical Exposure
Facility personnel may come in contact with the fluids, solids and airborne
constituents found at the facility. Safe work practices around these potential
exposures as well as appropriate equipment use and proper disposal procedures
will be followed. Routine training should be conducted regarding individual and
collective materials and their associated hazards. Training concerning safe
workplace practices around these potential exposures should instruct employees
on the proper usage of equipment and proper disposal procedures.
1.10.6 Safety Data Sheets
Safety Data Sheets (SDS) will be made available for all chemicals stored on site
for use at the facility. SDS shall be stored in a location with other Right to Know
information for the site.
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1.11 Record Keeping Program
The owner will maintain the following documents in an operating record at the facility:
A. Current permit(s) (Permit to Construct, Permit to Operate, etc.);
B. Current operations manual/plan(s) and engineering plan for each landfill
unit;
C. Inspection reports;
D. Audit and compliance records;
E. Annual reports (including survey and other documentation related to airspace
usage in landfill units);
F. Daily volume records;
G. Debris screening logs;
H. Employee training procedures and training records;
I. Un-acceptable debris disposal tickets;
J. Closure information, where applicable, including:
1. Notification of intent to close;
2. Testing;
3. Certification; and
4. Recording.
The operating record will be kept up to date by the owner or his designee; it will be
presented, on request, to the DWM for inspection. A copy of the Operations Manual will
be kept at the facility and will be available for use at all times.
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2.0 WASTE HANDLING OPERATIONS
This section describes the required debris handling and mining operations for the County.
2.1 Acceptable Material
Only the following debris materials generated within the approved service area may be
disposed of in the LCID landfill unit. Debris in italics will be acceptable for processing
only.
• Land Clearing Waste: as defined in 15A NCAC 138.0101(23) means solid debris
which is generated solely from land -clearing activities, limited to stumps, trees,
Limbs, brush, grass, and other naturally occurring vegetative material.
• Inert Debris: as defined in G.S. 130A-290(a](141 means solid waste which consists
solely of material that is virtually inert and that is likely to retain its physical and
chemical structure under expected conditions of disposal.
• Yard trash: as defined in G.S. 130A-290(a)(45) means solid debris consisting
solely of vegetative matter resulting from landscaping maintenance
• Wooden Pallets (damaged and undamaged): as defined in G.S. 130A-290(a)(44a]
means a wooden object consisting of a flat or horizontal deck or platform
supported by structural components that is used as a base for assembling,
stacking, handling, and transporting goods (for processing only).
• Asphalt: as defined in G.S. 130A-294 (m).
• Other Debris as Approved by the Solid Waste Section of the Division of Waste
Management.
Only materials listed above will be disposed. All other identified debris will be removed
and disposed in accordance with Section 2.5.
2.2 Prohibited Debris
No municipal solid waste (MSW), construction and demolition debris waste (C&D),
hazardous waste (as defined by 15A NCAC13A including hazardous waste from
conditionally exempt small quantity generators), or liquid waste will be accepted at this
facility. In addition, no polychlorinated biphenyl (PCB) waste will be accepted. The
facility follows a strict screening program, described in Section 2.5, to ensure no
prohibited waste is accepted.
2.3 Facility Operation
The facility operations have been proposed to facilitate both disposal and recovery to
involve a flow through of material at the facility. Generally, the process includes
materials from both customers and mining of the site. This section provides discussion
on the major components of the process. Please refer to Figure 2 for a flowchart
outlining the overall facility operations. Incoming materials shall follow Section 3.2 and
3.3 and recovered materials shall follow Section 3.1.
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2.4 Operating Capacity
The County estimates, based on historical data, that it will receive approximately 1,750
tons per year depending on economy and weather. Off -site soil may also be accepted for
use, and will follow the guidelines of Section 2.6.
2.5 Debris Screening
To assure that prohibited debris do not enter the facility, screening programs have been
implemented. If any non -acceptable debris is identified, these debris will be placed into
a stockpile or container and removed from the site for disposal at a solid waste facility
permitted to accept the particular debris. All records and receipts for this disposal shall
be kept in the operating record for the site. It is anticipated that unacceptable debris
will be minor amounts and either generally classified as MSW or C&D. The operators
will be trained on identifying non-conforming/non-acceptable debris.
2.5.1 ReceivinO and InSoection
All vehicles must stop at the guard house located near the facility entrance and
visitors are required to sign -in. All debris transportation vehicles are checked
and have their load content assessed. The attendant(s) requests from the driver
of the vehicle a description of the debris it is carrying to ensure that
unacceptable debris is not allowed into the landfill. The attendant(s) then
visually checks the vehicle. Signs informing users of the acceptable and
unacceptable types of debris are posted at the guard house. Once passing the
guard, the vehicles containing LCID debris are routed to the landfill or recycling
area.
Vehicles are selected for screening at random based on 1% by volume of
incoming site acceptance or a minimum of once per month. Selected vehicles
are directed to an area of intermediate cover adjacent to the working face where
the vehicle will be unloaded. Debris is carefully spread using suitable
equipment. An attendant trained to identify debris that are unacceptable at the
Landfill inspects the waste discharged at the screening site. If unacceptable
debris is found, including debris generated from outside of the service area, the
Load will be isolated and secured by berming off the area. Unacceptable debris
that are non -hazardous will be removed from the facility.
For unacceptable debris that are hazardous, the Hazardous Waste Contingency
Plan outlined in Section 2.5.2 will be followed. The hauler is responsible for
removing unacceptable debris from the landfill property. If no unacceptable
debris is found, the load will be pushed to the working face and incorporated into
the daily debris cell. All random debris inspections will be documented by
Landfill staff using the debris screening form provided in Appendix B.
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In addition to random debris screening described above, debris unloaded on the
active face will be inspected by the equipment operators, trained to spot
unacceptable debris, before and during spreading and compaction. Any
suspicious looking debris is reported immediately to the designated primary
inspector for further evaluation.
2.5.2 Hazardous Waste Continoencv Plan
In the event that identifiable hazardous waste or waste of questionable character
is detected at the landfill, appropriate equipment, protective gear, personnel, and
materials as necessary will be employed to isolate the wastes. The DWM will be
notified immediately (Section 1.1.3) that an attempt was made to dispose of
hazardous waste at the landfill. If the vehicle attempting disposal of such waste
is known, all attempts will be made to prevent that vehicle from leaving the site
or, if the vehicle has left the site, immediate notice will be served on the owner of
the vehicle that hazardous waste, for which they have responsibility, has been
disposed of at the landfill.
The County will assist the DWM as necessary and appropriate in the removal and
disposition of the hazardous waste and in the prosecution of responsible parties.
If needed, the hazardous waste will be covered with either on -site soils or other
tarping material until such time when an appropriate method can be
implemented to properly handle the waste. The cost of the removal and disposal
of the hazardous waste will be charged to the owner of the vehicle involved. Any
vehicle owner or operator who knowingly dumps hazardous waste in the landfill
may be barred from using the landfill.
Should an incident where hazardous waste is found at the landfill occur, the
event will be documented by landfill staff using the waste screening form
provided in Appendix B.
Records gathered as part of the waste screening programs will be maintained at
the landfill site during its active life and as long as required by ARBD and the
DWM.
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2.6 Off -Site Soil
The facility may receive off -site soil for use in operations, placement of cover, and for
sale, re -sale, and processing with the woody debris materials. Off -site soils shall be
clean un-impacted materials. Documentation (in the form of receipts, tickets, and
notes) for soil loads shall be obtained for each project receipt. The documentation shall
indicate the following (at a minimum):
• Date received;
• Quantity;
• Origination;
• If soil testing was performed;
• Soil testing results and actions (if applicable); and
• The corresponding ticket number.
Loads will be randomly subjected to screening (testing) prior to acceptance. In general,
random assessments shall include the following considerations:
• History of the company with the County;
• Quantity of soil material delivered; and
• Origination
Parameters or lack thereof will be determined at the discretion of ARBD when
determining which loads to assess for random screening. Soil load screening will utilize
the following procedure:
1. Collect a random grab sample and place it in a plastic "Ziplock" type bag and seal.
2. Position the bag in the sun to warm for a minimum of ten (10) minutes.
3. Break the seal to manually determine if foreign odors are present.
Loads subject to random screening will be noted on the ticket, as well as screening
results and actions resulting from those results.
The screened load will be identified in the corresponding documentation with a letter
number abbreviation (Strength Code, Type Code) as described in Table 3. The letter
initial will indicate the strength of the odor. The number will indicate the type of odor.
Additionally, categories are color coded to illustrate concern level.
If moderate to strong odors (red or yellow) of types other than peat or earth are
discovered, the County may reject the load and consult with additional parties not limited
to NCDEQ or the Engineer.
Alternative procedures may be used as warranted. Materials will also be visually
checked for signs of deleterious materials, staining, mixed debris and/or rubbish.
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21 Disposal
2.?.l Access
Traffic will be clearly directed to the appropriate active access road. Access road
Location during debris placement will be determined by operations personnel to
reflect the debris placement strategy.
2.?.2 General Procedure
Routine receiving and inspection, as well as random debris screening, will be
conducted in accordance with Section 2.5.1. Any unacceptable debris discovered
will be disposed of in accordance with the Hazardous Waste Contingency Plan
outlined in Section 2.5.2.
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Debris transportation vehicles will arrive at the working face at random intervals.
There may be a number of vehicles unloading debris at the same time, while
other vehicles are waiting. To maintain control over the unloading of debris, a
certain number of vehicles will be allowed on the working face at a time. The
actual number will be determined by the truck spotter. This procedure will be
used to minimize the potential of unloading unacceptable debris and to control
disposal activity. Operations at the working face will be conducted in a manner
which will encourage the efficient movement of transportation vehicles to and
from the working face, and to expedite the debris unloading.
The approach to the working face will be maintained such that two or more
vehicles may safely unload side by side. A vehicle turn -around area large enough
to enable vehicles to arrive and turn around safely with reasonable speed will be
provided adjacent to the unloading area. The vehicles will back to a vacant area
near the working face to unload. Following completion of the unloading
operation, the transportation vehicles will immediately leave the working face
area. Personnel will direct traffic necessary to expedite safe movement of
vehicles.
Debris unloading at the landfill will be controlled to prevent disposal in locations
other than those specified by site management. Such control will also be used to
confine the working face to a minimum width, yet allow safe and efficient
operations. The width and length of the working face will be maintained as small
as practical to maintain the appearance of the site, control windblown debris, and
minimize the amount of cover required each day. Normally, only one working
face will be active on any given day, with all deposited debris in other areas
covered by either periodic, intermediate, or final cover, as appropriate.
The procedures for placement and compaction of solid debris include: unloading
of vehicles, spreading of debris into nominal ten (10) foot lifts, and compaction on
relatively flat slopes (i.e. 5H:1V max.).
The use of portable signs with directional arrows and portable traffic barricades
will facilitate the unloading of debris to the designated disposal locations. These
signs and barricades will be placed along the access route to the working face of
the landfill or other designated disposal areas which may be established.
2.8 Cover
2.8.1 Periodic Cover
At the completion of debris placement monthly, or sooner if the area of exposed
debris exceeds 1/2 acre in size, a 6-inch layer of earthen material or other
material as approved by the DWM will be placed over the exposed debris. This
periodic cover is intended to control vectors, fire, odors, and blowing debris.
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2.8.2 Intermediate Cover
A 12 inch layer of soil cover should be placed on all debris surfaces that have not
received debris in 30 days but are below final elevation. This intermediate cover
should be seeded immediately and graded such that all precipitation runoff is
channeled to the surface water systems.
2.8.3 Final Cover
At the completion of any phase of disposal operations, a final cover of a minimum
of one foot of suitable soil cover sloped to allow surface water runoff will be
placed over the completed phase. The DWM may require further action in order
to correct any condition which is or may become injurious to the public health, or
a nuisance to the community. The final cover will be installed within 30 working
days or 120 calendar days upon completion of the phase of landfill development.
2.9 Height Monitoring
Facility staff will monitor landfill top and side slope elevations periodically, by
survey or other means. When such elevations approach design grades, the final
top -of -debris grades will be staked to limit over -placement of debris.
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3.0 RECOVERYAND PROCESSING OPERATIONS
3.1 Recovery (Mining) Operations
All material from the recovery (mining) of the site is assumed to be approximately 50
cubic yards per day of debris for processing. The County will perform the recovery
operations on a limited basis to supplement the processing operations as described in
Section 3.2.
3.2 Wood Debris Processing Operations
3.2.1 Grinding/Chipping
Grinding and/or chipping will be conducted centrally on the site within the future
Landfill footprint. The grinding/chipping operations will be conducted as needed
to facilitate the landfill recovery and incoming debris operations by contract
equipment. The facility intends to utilize a single grinder to process the collected
material. The material will be directed to the grinders as per the material size.
It is anticipated that grinding and chipping will be conducted on a periodic basis
as materials are available. Grinders and chippers pose both maintenance and
safety hazards. Therefore, please refer to the manufacturer's safety and/or
maintenance literature prior to operating equipment on site.
3.2.2 Screenin
Screening will be conducted just beyond the grinding area on the site. The
facility intends to utilize a single screening machine to process the ground
materials on a contract basis. Screening is conducted after the
grinding/chipping has been completed to provide a uniform material for
distribution to the public. The screening process removes remaining large
materials for a uniform product. The material is screened to achieve particle
sizes of 5/8" to 2". The material not passing the screen, "overs" (>21, are stored
in the material storage area and re -ground or chipped for additional screening.
The finished product is stored on site in a loading area until ready for delivery.
Two (2) finished products are anticipated as follows:
• Mulch;
• Amended Mulch and Soil.
The process is repeated for "overs" until a uniform blend is achieved. During the
screening process additional non -conforming debris may be identified. Once
identified, these debris will be removed and placed in the stockpiles or
containers for disposal off -site. Screening machines pose both maintenance and
safety hazards. Therefore, please refer to the manufacturer's safety and or
maintenance literature prior to operating equipment at the site.
Wilson County-Westside LCIO Landfill Operations Manual
May 2023 4.0 Environmental Management Page 19

DocuSign Envelope ID: C7A21728-A8E3-4B37-895F-378D2598D515
3.3 Markets
The market for the proposed mulch and soil will include the surrounding residential and
commercial development in the area, or industrial users. The primary customers are
assumed to be landscaping and grading companies.
Wilson County - Westside LCIO Landfill Operations Manual
May 2023 4.0 Environmental Management Page 20

DocuSign Envelope ID: C7A21728-A8E3-4B37-895F-378D2598D515
� ��IUl;lihlul�►��!l�ul!hl![rl�ul���l
This section reviews the overall environmental management tasks required for the successful
operation of the Wilson County LCID Landfill.
4.1 Surface Water Control
As used herein, the definition of "surface water" is water which results from
precipitation or site run-on that has not contacted the debris.
Proper surface water control at the facility will accomplish the following goals:
• Minimize the potential for the discharge of pollutants to waters of the United
States, including wetlands (point or non -point sources);
• Prevent the run-on of surface water into the landfill unit(s) or the active face(s);
• Prevent the run-off of surface water that has come into contact with the debris
(i.e. leachate);
• Limit the erosion caused by surface waters;
• Limit sediments carried off -site by surface waters; and
• Maximize the SEPARATION of SURFACE water from LEACHATE.
The following is a brief discussion of some of these features and practices, focusing
more on the landfill units.
4.1.1 Surface Water Run -On Control
The perimeter berms and/or perimeter channels around the landfill unit(s) are
designed to prevent the run-on of surface water from adjacent land into the
Landfill. Additional structures such as diversion berms, channels, down pipes,
etc. carry surface water away from the landfill.
4.1.2 Active Face Run -Off Control
Particular care is required to ensure that surface water coming from the active
face, e.g. having potential contact with the debris, is allowed to percolate into the
underlying debris. Only run-off from disposal surfaces that have received
adequate cover is not considered leachate and should be directed to the
stormwater drainage system where practical.
4.1.3 Erosion Control
The serviceability of the landfill relies heavily on soil berms, barrier layers, and
agricultural layers that are readily eroded by flowing water.
Wilson County - Westside LCIO Landfill Operations Manual
May 2023 4.0 Environmental Management Page 21

DocuSign Envelope ID: C7A21728-A8E3-4B37-895F-378D2598D515
Erosion control provisions incorporated in the landfill include the following:
• The slope of the working face should typically be no steeper than
practical to limit erosion of the periodic cover.
• Intermediate cover that has been exposed for more than 30 days must be
seeded immediately and repaired when erosion features are identified.
• Water collected by each drainage break is routed to stormwater drainage
channels or down pipes so that the run-off volume does not accumulate
going down the slope.
• The vegetative soil layer placed over the final cover must be seeded
immediately.
Additional erosion control measures have been established within the drainage
channels and at points of stormwater discharge. Final cover should be inspected
regularly for erosion damage and promptly repaired. Revegetation should be
performed in accordance with the requirements of the applicable erosion and
sedimentation control plan and/or the NC Erosion and Sedimentation Control
Planning and Design Manualz.
4.1.4 Sedimentation Control
Stormwater run-off from the landfill unit(s) is conveyed to one of the on -site
sediment basins and traps. These basins should be inspected regularly for
sediment build-up or erosion damage. The basins and/or traps should be
cleaned out when sediment fills the lower half of the basin.
4.2 Vector Control
Due to the nature of the debris disposed in this landfill unit, vector control is not
anticipated to be of concern. Note that the use of periodic cover will discourage animals
from nesting in the debris.
4.3 Odor Control
Due to the nature of the debris disposed in this landfill unit, odor control is not
anticipated to be of concern. However, if odor control becomes a problem, additional
measures (such as additional cover) will be implemented to ensure odor control.
4.4 Dust Control
Dust related to equipment operations and traffic on the access roads will be minimized
by strict enforcement of slow speeds across the site.
2 NC Division of Land Resources (Current Update), North Carolina Erosion and Sediment Control Planning and Design
Manual, NCDENR - Division of Land Resources - Land Quality Section, Raleigh, NC.
Wilson County-Westside LCIO Landfill Operations Manual
May 2023 4.0 Environmental Management Page 22

DocuSign Envelope ID: C7A21728-A8E3-4B37-895F-378D2598D515
5.0 QUALITY ASSURANCE AND REPORTING
5.1 Overview
This section reviews the overall quality assurance and reporting tasks required for the
site operations. The information contained herein was prepared to provide facility
personnel with methodology and reporting requirements to satisfy these requirements.
5.2 Documentation
An essential component of solid debris facilities is documentation from the time the
materials enter the site to the last cubic yard of material is disposed or delivered to the
customer. The documentation is used to improve efficiency in the process, modify
process designs, and in troubleshooting of the process. The establishment of a reliable
continuing record for proof of performance, thus justifies operational decisions,
expenditures, and recommendations. Daily operational records also provide information
useful in process adjustments required due to climatic or seasonal changes or other
recurring problems of a specific nature. Accurate records also provide the basis for
planning future expansion, planning future modifications, establishing and adjusting
operating budgets, and providing evidence of performance in compliance with regulatory
agencies.
The NC DEQ Division of Waste Management requires record keeping on the inflow and
outflow of material. Personnel from the NC DEQ Division of Waste Management will
make periodic visits to the facility. During these inspections, a review of operational and
other records may be requested.
The following are points in the process where monitoring documentation are
anticipated:
i. Debris Screening Logs
ii. Daily Volume Records
iii. Employee Training Procedures and Records of Training Completed
iv. Un-Acceptable Debris Disposal Tickets
V. All Closure Information where applicable, including testing, certification and
recording.
vi. Annual Report for the period of July 1 to June 30 shall be submitted to the
Division by August 1 st of each year.
Wilson County-Westside LCIO Landfill Operations Manual
February 2021 4.0 Quality Assurance and Reporting Page 23

DocuSign Envelope ID: C7A21728-A8E3-4B37-895F-378D2598D515
FIGURES
Operations Manual
Wilson County LCIO Landfill
Wilson, North Carolina

DocuSign Envelope ID: C7A21728-A8E3-4B37-895F-378D2598D515
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0 2000' 4000' REFERENCE: TOPOGRAPHY FROM U.S.G.S. 7.5 MINUTE QUADRANGLE
TITLED "WILSON" AND "SARATOGA", DATED 2019.
PREPARED BY NC LIC. NO. F-1370 [ENGINEERING]
SC COA NO. C01488
WESTSIDE CCD LANDFILL SMITH GARDNER
SITE LOCATION MAP
14 N. Boylan Avenue, Raleigh NC 27603 1919.828.0577
1526 Richland St., Columbia SC 29201
DRAWN: APPROVED: SCALE: DATE: PROJECT NO.: FIGURE NO.: FILE NAME:
R.V.M. S.W.H. AS SHOWN Jul 2020 WILSON 20-1 1 WILSON-AO016
© 2020 Smith Gardner, Inc.

DocuSign Envelope ID: C7A21728-A8E3-4B37-895F-378D2598D515
JOM
WILSDH C011HTr SMITH GARDNER
WE5T51DE LCIB LANDFILL
FACILITY 0PERAT 10N5 FLOW CHART L N 61 f.
,k Uyv4pi,
APPRPVEO SCM-L: DATE PRGJECTNO- FIGURE NO
SWH NIA May. 2023 WILSON 22-4

DocuSign Envelope ID: C7A21728-A8E3-4B37-895F-378D2598D515
Appendix A
Fire Occurrence Notification Form
Operations Manual
Wilson County LCIO Landfill
Wilson, North Carolina

DocuSign Envelope ID: C7A21728-A8E3-4B37-895F-378D2598D515
SOLID WASTE MANAGEMENT FACILITY
19� FIRE OCCURRENCE NOTIFICATION
NCDEQ Division of Waste Management
Waste Management Solid Waste Section
ENVIRONMENTAL QUALITY
Notify the Section verbally within 24 hours and submit written notification within 15 days of the occurrence.
(If additional space is needed, use back of this form)
NAME OF FACILITY:
DATE AND TIME OF FIRE:
HOW WAS THE FIRE REPORTED AND BY WHOM:
LIST ACTIONS TAKEN:
WHAT WAS THE CAUSE OF THE FIRE:
0
DESCRIBE AREA, TYPE, AND AMOUNT OF WASTE INVOLVED:
WHAT COULD HAVE BEEN DONE TO PREVENT THIS FIRE:
DESCRIBE PLAN OF ACTIONS TO PREVENT FUTURE INCIDENTS:
NAME
TITLE:
PERMIT #
DATE:
***********************************************************************************************************
THIS SECTION TO BE COMPLETED BY SOLID WASTE SECTION REGIONAL STAFF
DATE RECEIVED
List any factors not listed that might have contributed to the fire or that might prevent occurrence of future fires:
FOLLOW-UP REQUIRED:
❑ NO ❑ PHONE CALL ❑ SUBMITTAL ❑ MEETING RETURN VISIT BY: (DATE)
ACTIONS TAKEN OR REQUIRED:
Revised 611512016

DocuSign Envelope ID: C7A21728-A8E3-4B37-895F-378D2598D515
Appendix
Debris Screening Checklist
Operations Manual
Wilson County LCIB Landfill
Wilson, North Carolina

DocuSign Envelope ID: C7A21728-A8E3-4B37-895F-378D2598D515
Westside LCID Landfill
Wilson County, North Carolina
DEBRIS SCREENING FORM
Day / Date: Time Weighed in:
Truck Owner: Driver Name:
Truck Type: Vehicle ID / Tag No:
Weight: Tare:
Waste Generator / Source:
Reason Load Inspected
Inspection Location:
Random Inspection
Detained at Scales
Detained by Operating Staff
Approved Waste Determination Form Present?
Description of Load:
Load Accepted (signature)
Load Not Accepted (signature)
Yes No
Staff Initials
Staff Initials
Staff Initials
Date
Date
Reason Load Not Accepted (complete only if load not accepted)
Description of Suspicious Contents:
Color: Hazardous Waste Markings:
Texture:
Drums Present: Smell:
Est. Cubic Yards in Load:
Est. Tons in Load:
DWM Emergency Management Contacted?Yes
Company or Authority Contacted?
Hazardous Materials Present:
Hauler Notified (if waste not accepted) Phone:
Other Observations:
Final Disposition
Signed:
Waste Screening Inspector or Solid Waste Manager
Attach related correspondence to this form.
File completed form in Operating Record.
Date
ME
N/A
Time Contacted:

DocuSign Envelope ID: E51ED747-AO69-4262-BOCD-A46BE9924906
Attachment E
FEMA Map
Permit to Construct Application
Westside LCID Landfill
Wilson County, North Carolina

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2. IMAGERY FROM NC ONEMAP, DATED JANUARY 2021
0 500 1,000 1,500
I`er�

DocuSign Envelope ID: E51ED747-AO69-4262-BOCD-A46BE9924906
Attachment F
Siting Restrictions
Permit to Construct Application
Westside LCID Landfill
Wilson County, North Carolina

DocuSign Envelope ID: E51ED747-AO69-4262-BOCD-A46BE9924906
AttachmentF1
Groundwater Surface Investigation
Permit to Construct Application
Westside LCID Landfill
Wilson County, North Carolina

SMITH GARDNER
ADDRESS
TEL
14 N. Boylan Avenue, Raleigh NC 27603 919.828.0577
WEB
www.smithgardnerinc.com
MEMORANDUM
Date: May 24, 2023
To: Spencer W. Hollomon, P.E.sRo�
=2 SEALS/
From: Seth C. Rickerts, P.G. ` 2758 DocuSignedby:
of �C A, ScZ+n c. 2,�",
Smith Gardner, Inc. "•.y o�R �,��?
RE: Westside LCID Landfill Groundwater Reconnaissance
Smith Gardner, Inc. (S+G), in conjunction with Wilson County (County), performed a
subsurface investigation to determine the depth to groundwater in the vicinity of the
proposed Land Clearing and Inert Debris (LCID) landfill at the Westside construction and
demolition (C&D) landfill facility.
SITE INFORMATION
The Westside Landfill facility (Site) is located in the Piedmont Physiographic Province of
North Carolina, east of the city of Wilson. According to the 1985 Geologic Map of North
Carolina, the facility is situated over the Yorktown Formation, it is described as "fossiliferous
clay with varying amounts of fine-grained sand, bluish gray, shell material commonly
concentrated in lenses".
METHODOLOGY
On March 07, 2023, Smith Gardner (S+G) observed County personnel excavate three (3) test
pits in the vicinity of the proposed LCID landfill at the site, locations are shown on Figure 1
(attached). Test pits were excavated to either competent rock, groundwater, or maximum
bucket reach of approximately 15 feet. Additionally, a temporary piezometer, PZ-3, was
installed south of the test pits to allow for future water level measurements to be taken. PZ-
3 was hand augered to roughly nine (9) feet below ground surface and constructed using six
(6) feet of 10-slot, 2-inch PVC screen and five (5) feet of stickup above ground. The
approximate location of PZ-3 is provided on Figure 1 (attached). Water levels were then
taken in each test pit and PZ-3 after water levels stabilized.
FINDINGS
Mulch, ranging from one half (0.5) to three (3) feet below ground surface (bgs), was
encountered in each test pit. Soils encountered during the test pit excavations were
generally silty fine sands and clays consistent with the Yorktown Formation. Groundwater
was encountered in each test pit excavated at depths ranging from eight (8) to 10 feet bgs.
Water levels were also taken in piezometers by S+G on 3/16/23 with depths recorded as 9.52'
(PZ-1), 17.2' (PZ-2) and 5.35' (PZ-3).

May 24, 2023
Page 2of2
taken in the newly installed PZ-3, as well as in existing piezometers PZ-1 and PZ-2. The
water levels in piezometers ranged from approximately four and a half to 17 feet bgs. A
summary of observations is included in the Table 1, below. Pictures of each test pit are
attached.
Table 1 - Summary of Observations
Test
Pit
Approx.
GSE
Maximum
Depth
Groundwater
Depth (3/7/23)
Groundwater
Depth (3/16/23)
Observations
TP-01
114'
-15'
-8'
-3' of mulch before
reaching soil.
TP-02
111'
-15'
-8'
-1' of mulch before
reaching soil.
TP-03
106'
-10'
-10'
-6- of mulch before
reaching soil.
PZ-1
123'
32.81 '
9.52'
PZ-2
117'
37.84'
17.2'
PZ-3
105'
11.0'
5.35'

SMITH GARDNfR
Client: Wilson County
BORING ID: TP-1
Project Number: Wilson-22-4 ILoggedBy. SCR
Site Location:
Boring Location: Wilson LCID
Sheet: 1 of 1
Drilling Method: Test Pit
Monitoring Well Installed: NO
Sample Type(s): None
Boring Diameter: 4 inches
Screened Interval: NA
Weather: Clear, Warm
Ground Elevation:
Date Started: 03/07/23
Depth of Boring: —15'
Drilling Contractor: NIA
TOC Elevation:
Date Finished: 03/07/23
1 Water Level: NA
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MATERIALS: Color, size, range, MAIN COMPONENT, minor component(s), moisture
content, structure, angularity, maximum rain size, odor, and Geologic Unit If
g y Known) g (
Monitoring Well
Construction Details
1
2
3
0-5'
no
0-3' Mulch
4
5
3-6' Brown silty sand/sandy silt
6
7
5-10,
no
8
9
10
6-10' Gray clay/ silty clay
10, Small amount of water seepage after 45 minutes
11
12
13
10-15,
no
14
15
10-15' Gray fat clay
16
17
18
15-20'
no
19
20
Date
Time
Depth to groundwater
whie
r ing
NOTES:
Checked by Date:

SMITH GARDNfR
Client: Wilson County
BORING ID: TP-2
Project Number: Wilson 4 ILoggedBy. SCR
Site Location:
Boring Location: Wilson LCID
Sheet: 1 of 1
Drilling Method: Test Pit
Monitoring Well Installed: NO
Sample Type(s): None
Boring Diameter: 4 inches
Screened Interval: NA
Weather: Clear, Warm
Ground Elevation:
Date Started: 03/07/23
Depth of Boring: —15'
Drilling Contractor: NIA
TOC Elevation:
Date Finished: 03/07/23
1 Water Level: NA
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MATERIALS: Color, size, range, MAIN COMPONENT, minor component(s), moisture
content, structure, angularity, maximum rain size, odor, and Geologic Unit If
g y Known) g (
Monitoring Well
Construction Details
1
0-1' Mulch
2
3
0-5'
no
4
14 Brown silty sand/sandy silt
5
6
7
5-10,
no
8
4-8' Gray clay/ silty clay
8' Small amount of seepage at time of excavation
9
10
11
12
13
10-15,
no
14
15
8-15' Gray fat clay
16
17
18
15-20'
no
19
20
Date
Time
Depth to groundwater
whie
r ing
NOTES:
Checked by Date:

SMITH GARDNfR
Client: Wilson County
BORING ID: TP-3
Project Number., Wilson-22-4 ILoggedBy. SCR
Site Location:
Boring Location: Wilson LCID
Sheet: 1 of 1
Drilling Method., Test Pit
Monitoring Well Installed: NO
Sample Type(s): None
Boring Diameter., 4 inches
Screened Interval., NA
Weather., Clear, Warm
Ground Elevation:
Date Started. 03/07/23
Depth of Boring: —13'
Drilling Contractor: NIA
TOC Elevation:
Date Finished: 03/07/23
1 Water Level: NA
a
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MATERIALS: Color, size, range, MAIN COMPONENT, minor component(s), moisture
content, structure, angularity, maximum rain size, odor, and Geologic Unit If
g y Known) g (
Monitoring Well
Construction Details
0-0.5' Mulch
1
2
0.5-2' Brown silty sand/sandy silt
3
0-5'
no
4
5
2-10' Gray clay/ silty clay
6
7
5-10,
no
8
9
10
10, Water present, good production
10-11, Brown silty sand/sandy silt
11
12
13
10-15,
no
10-13' Gray fat clay
14
15
16
17
18
15-20'
no
19
20
Date
Time
Depth to groundwater
whie
r ing
NOTES:
Checked by Date:

SMITH GARDNfR
Client: Wilson County
BORING ID: PZ-3
Project Number: Wilson-22-4 ILoggedBy. SCR
Site Location:
Boring Location: Wilson LCID
Sheet: 1 of 1
Drilling Method: Test Pit
Monitoring Well Installed: NO
Sample Type(s): None
Boring Diameter: 4 inches
Screened Interval: -9-3'
Weather: Clear, Warm
Ground Elevation:
Date Started: 03/07/23
Depth of Boring:
Drilling Contractor: NIA
TOC Elevation:
Date Finished: 03/07/23
1 Water Level: -5-6'
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N
MATERIALS: Color, size, range, MAIN COMPONENT, minor component(s), moisture
content, structure, angularity, maximum rain size, odor, and Geologic Unit If
g y Known) g (
Monitoring Well
Construction Details
2
3
0-5'
no
4
5
0-5' Brown Silty sand/ sandy silt
6
-5-6' Water present
7
5-10,
no
8
9
5-9' Gray clay, silty clay
9' Unable to continue hand augering
10
11
12
13
14
15
16
17
18
19
20
Date
Time
Depth to groundwater
=1e drilling
NOTES:
Checked by Date:

S+6 ENGINEERS PHOTOGRAPHIC LOG
Client Name: Site Location: Project No.
WILSON COUNTY Wilson County C&D Landfill LCID Expansion WILSON-22-4
Photo No. Date:
3/7/2023
Test Pit Number:„�� _ t:
TP-1
r
Description:
a /^ r q
I

S+6 ENGINEERS PHOTOGRAPHIC LOG
Client Name: Site Location: Project No.
WILSON COUNTY Wilson County C&D Landfill LCID Expansion WILSON-22-4
Photo No. Date:
3 3/7/2023 ��-
Test Pit Number: 3,
TP-3
Description:

3
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DocuSign Envelope ID: E51ED747-AO69-4262-BOCD-A46BE9924906
Attachment F2
Surface Waters, Threatened and Endangered Species, and Cultural Resources
Permit to Construct Application
Westside LCID Landfill
Wilson County, North Carolina

Inver Environmental Consulting, LLC www.inverenv.com
i
n �� 105 W 4th St, Suite 700, Winston-Salem NC 27101 [phone]/[phone]
1l 11 � ► � � 1l
Date: 03/31/23
To: Mike Brinchek, P.E., Smith Gardner, Inc.
From: Philip May, Inver Environmental Consulting, LLC
Subject: Environmental Review & Jurisdictional Status
Wilson County LCID Landfill
Wilson County, NC
This memo provides an environmental review of the above referenced site located off NC 42 in Wilson
County NC (Figure 1). The site comprises an approximate 45-acre area on the Wilson County Solid
Waste facility as shown in Figure 2.
The purpose of this review is to:
- Summarize the status of Clean Water Act (CWA) and Tar -Pamlico Buffer Rule (TPBR)
jurisdictional determinations for the site
- Provide a preliminary assessment of potential habitat for federally listed threatened or
endangered species under the protection of the Endangered Species Act (ESA)
The site drains through an unnamed tributary to Toisnot Swamp (NCDWR Stream Index 27-86-11-(5) to
the south. The swamp and its tributaries have a stream classification of C; Sw, NSW. Class C swamp
waters do not carry special restrictions, but the NSW designation requires the TPBR restrictions
discussed below.
Potential Clean Water Act Resources
A delineation of potentially jurisdictional features under the CWA was performed in December 2022. A
request for Preliminary Jurisdictional Determination was submitted to the US Army Corps of Engineers
(USACE) on January 31, 2023. A field visit with the USACE was performed to verify the delineation on
March 7, 2023. The results are shown in Figure 2. Two jurisdictional stream channels (SA and SB) have
been identified on the site, and two jurisdictional wetlands (WA and WB) are also present.
The ditches on site have been determined to be excavated in uplands and/or not carry Waters of the US
and therefore were deemed non -jurisdictional under the CWA. Pond PA was likewise determined to be
an artificial excavation located in uplands, and is therefore not under the jurisdiction of the CWA. This
feature is documented in the Approved Jurisdictional Determination (required method for determining
features that are not jurisdictional), while the remaining features are documented by the Preliminary
Jurisdictional Determination (Attachment 1).

Environmental Review & Jurisdictional Status — Wilson County LCID 03/31/23
Encroachment into either stream channel or wetland would potentially require permitting under the
CWA. The non -jurisdictional ditches and pond do not require permitting.
Tar -Pamlico Riparian Buffer Rule Resources
A request for stream buffer determination was submitted to the NC Division of Water Resources
(NCDWR) on 12/21/22. A site visit with NCDWR staff was performed on January 18, 2023. As shown in
Figure 2, both streams identified in the delineation (SA and SB) as Waters of the US are also subject to
the TPBR (Attachment 2). However, the start of the segment of SA subject to the buffer rule is lower
than the start of the stream channel under the CWA. A 50-foot riparian buffer is required to be
protected along both streams subject to the TPBR. The buffer has two zones (an outer 20 feet and inner
30 feet) that have certain allowable uses. Activities in any of the buffer areas that are not an ongoing,
existing use (i.e. continued maintenance of the field) should not be performed without verifying that
they would be allowable in the buffer zones.
Endangered Species Act Resources
The site is comprised primarily of maintained field with forested areas to the southeast and southwest
perimeters as well as the southern center of the site, along stream SA and the floodplain of stream SB
and Toisnot Swamp. Forest vegetation includes American holly (Ilex opaca), beech (Fagus grandifolia),
red maple (Acer rubrum), sweetgum (Liquidambarstyraciflua), water oak (Quercus nigra), and white oak
(Quercus alba). Understory species include Chinese privet (Ligustrum sinense), giant cane (Arundinaria
gigantea), greenbrier (Smilax rotundifolia), and Japanese honeysuckle (Lonicera japonica).
The following species were identified as potentially occurring on the site using the USFWS IPaC
database, accessed 3/13/23 (Attachment 3). Each species listed in the IPaC report is presented below
with common and scientific name, protection status, preliminary assessments of habitat presence on
the site, and the potential for development of the site to affect the species.
Table 1: USFWS IPaC Species List (3/13/23)
Name (common)
Name (Scientific)
Federal
Status*
Habitat on
site?
Potential effect?
Tricolored bat
Perimyotis subflavus
PE
Summer only
N/A
Neuse River waterdog
Necturus lewisi
T
No
None
Carolina madtom
Noturus furiosus
E
No
None
Monarch Butterfly
Danaus plexippus
C
Possible
N/A
*PE = Proposed Endangered; E = Endangered; T= Threatened; C = Candidate
Tricolored Bat —This species was proposed for listing in 2022, with formal protection possibly being
implemented in 2023. No winter roosting habitat (caves, mines, etc.) are present on the site but
summer habitat may be present within the forested areas on the site. In the event of listing, performing
tree clearing in the winter would avoid having an effect on this species and may not require additional
assessment of habitat or detailed surveys. More information will be available once formal listing occurs.
2

Environmental Review & Jurisdictional Status — Wilson County LCID 03/31/23
Neuse River Waterdog — This species requires rivers and larger streams as suitable habitat. The streams
on site are either intermittent (SA) or small perennial (SB) features, that discharge into Toisnot Swamp.
Neither are likely to be suitable habitat for this species. Therefore the project would not affect this
species.
Carolina Madtom — This species prefers free flowing streams with clean sand or gravel bottoms.
Streams on site are relative small and do not exhibit these substrates at least on the site. Both features
discharge into Toisnot Swamp which is not free flowing, and suitable habitat is unlikely. Therefore the
project would not affect this species.
Monarch Butterfly — Candidate species are not protected under the ESA and have not been proposed for
listing at this time. Due to the visit occurring outside the growing season, the presence of migratory
habitat for this species (milkweed plants) cannot be eliminated. There is no current timeline for listing
of this species, so no further action is recommended.
A records review was performed using the NC Natural Heritage Program Data Explorer (Attachment 4).
No element occurrences of any federal or state listed species were found on the site or within a one -
mile radius.
Recommendations
Based on the review of the site and jurisdictional determinations summarized above, the following are
recommendations for further work if needed:
- CWA resources have been verified, and no further work is required unless encroachment into
one of the streams or wetlands (Figure 2) is proposed.
- TPBR resources have been verified, and no further work is required unless encroachment into
the buffers of the streams is proposed. Ongoing uses can continue within the designated buffer
areas without prior authorization.
- ESA currently protected species are not present on the site and are unlikely to be affected by
the project. No further coordination or surveys are recommended at this time. If tree clearing is
proposed, and the tricolored bat is listed prior to that activity, coordination with the US Fish and
Wildlife Service may be necessary if another federal agency or federal action (i.e. funding) is
involved.
The information provided above is based on a preliminary site review and best professional judgement
and is subject to change upon more detailed investigations, if warranted or required. Please contact me
at your earliest convenience at [phone] or [e-mail] if you have any questions or
require additional information.
Attachments
- Figure 1: Vicinity Map
- Figure 2: Aquatic Resources
- Attachment 1: USACE PJD/AJD (03/10/23)

Environmental Review & Jurisdictional Status — Wilson County LCID 03/31/23
- Attachment 2: NCDWR Buffer Letter (02/01/23)
- Attachment 3: USFWS IPaC (03/13/23)
- Attachment 4: NC NHP Report (03/13/23)
4

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Figure 1
Vicinity Map
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Wilson NC

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0 Wetland 0 AID Area Aquatic Resources
D 150 300 Darn (Non-jurisd) Wilson County LCID Landfill
03/07/23 Feet _ Pond {Non-jurisd} Wilson NC

SAW-2023-00293
U.S. ARMY CORPS OF ENGINEERS
WILMINGTON DISTRICT
Action Id. SAW-2023-00293 County: Wilson U.S.G.S. Quad: NC -Saratoga
NOTIFICATION OF JURISDICTIONAL DETERMINATION
Requestor:
Wilson County
Mr. Andy Davis
Address:
P.O. Box 1728
Wilson, NC 27894
Telephone Number:
[phone]
E-mail:
adavis(dwilson-co.com
Size (acres) 45 Nearest Town Wilson
Nearest Waterway Toisnot Swami) River Basin Neuse
USGS HUC 03020203 Coordinates Latitude: 35.72674
Longitude:-77.86923
Location description: The review area for this Jurisdictional Determination consists of an approximately 45-acre portion of the
Wilson County Landfill located on the south side of NC 42 in Wilson County, NC. The review area consists of a Preliminary
Jurisdictional Determination (PJD) portion that totals approximately 44.5 acres and an Approved Jurisdictional
Determination (AJD) portion that totals approximately 0.5 acres. See attached Figure 4, dated 03/07/23.
Indicate Which of the Following Apply:
A. Preliminary Determination
® There appear to be waters, including wetlands within the PJD review area, that may be subject to Section 404 of the Clean
Water Act (CWA)(33 USC § 1344) and/or Section 10 of the Rivers and Harbors Act (RHA) (33 USC § 403). The waters,
including wetlands have been delineated, and the delineation has been verified by the Corps to be sufficiently accurate and
reliable. The approximate boundaries of these waters are shown on the enclosed delineation map dated 3/7/2023. Therefore this
preliminary jurisdiction determination may be used in the permit evaluation process, including determining compensatory
mitigation. For purposes of computation of impacts, compensatory mitigation requirements, and other resource protection
measures, a permit decision made on the basis of a preliminary JD will treat all waters and wetlands that would be affected in any
way by the permitted activity on the site as if they are jurisdictional waters of the U.S. This preliminary determination is not an
appealable action under the Regulatory Program Administrative Appeal Process (Reference 33 CFR Part 331). However, you may
request an approved JD, which is an appealable action, by contacting the Corps district for further instruction.
❑ There appear to be waters, including wetlands on the above described project area/property, that may be subject to Section 404
of the Clean Water Act (CWA)(33 USC § 1344) and/or Section 10 of the Rivers and Harbors Act (RHA) (33 USC § 403).
However, since the waters, including wetlands have not been properly delineated, this preliminary jurisdiction determination
may not be used in the permit evaluation process. Without a verified wetland delineation, this preliminary determination is
merely an effective presumption of CWA/RHA jurisdiction over all of the waters, including wetlands at the project area, which
is not sufficiently accurate and reliable to support an enforceable permit decision. We recommend that you have the waters,
including wetlands on your project area/property delineated. As the Corps may not be able to accomplish this wetland
delineation in a timely manner, you may wish to obtain a consultant to conduct a delineation that can be verified by the Corps.
B. Approved Determination
❑ There are Navigable Waters of the United States within the above described project area/property subject to the permit
requirements of Section 10 of the Rivers and Harbors Act (RHA) (33 USC § 403) and Section 404 of the Clean Water Act
(CWA)(33 USC § 1344). Unless there is a change in law or our published regulations, this determination may be relied upon for
a period not to exceed five years from the date of this notification.
❑ There are waters, including wetlandson the above described project area/property subject to the permit requirements of Section
404 of the Clean Water Act (CWA) (33 USC § 1344). Unless there is a change in the law or our published regulations, this
determination may be relied upon for a period not to exceed five years from the date of this notification.
❑ We recommend you have the waters, including wetlands on your project area/property delineated. As the Corps may not be
able to accomplish this wetland delineation in a timely manner, you may wish to obtain a consultant to conduct a delineation that
can be verified by the Corps.

SAW-2023-00293
❑ The waters, including wetlands on your project area/property have been delineated and the delineation has been verified by
the Corps. The approximate boundaries of these waters are shown on the enclosed delineation map dated . We strongly suggest
you have this delineation surveyed. Upon completion, this survey should be reviewed and verified by the Corps. Once verified,
this survey will provide an accurate depiction of all areas subject to CWA jurisdiction on your property which, provided there is
no change in the law or our published regulations, may be relied upon for a period not to exceed five years.
❑ The waters, including wetlands have been delineated and surveyed and are accurately depicted on the plat signed by the
Corps Regulatory Official identified below on. Unless there is a change in the law or our published regulations, this determination
may be relied upon for a period not to exceed five years from the date of this notification.
® There are NO waters of the U.S., to include wetlands, present within the AJD review area that are subject to the permit
requirements of Section 404 of the Clean Water Act (33 USC 1344). Unless there is a change in the law or our published
regulations, this determination may be relied upon for a period not to exceed five years from the date of this notification.
Placement of dredged or fill material within waters of the US, including wetlands, without a Department of the Army permit may
constitute a violation of Section 301 of the Clean Water Act (33 USC § 1311). Placement of dredged or fill material, construction or
placement of structures, or work within navigable waters of the United States without a Department of the Army permit may
constitute a violation of Sections 9 and/or 10 of the Rivers and Harbors Act (33 USC § 401 and/or 403). If you have any questions
regarding this determination and/or the Corps regulatory program, please contact Billy W. Standridge at [phone] or
Billy.w. standridge(&u sace.army.mil.
C. Basis For Determination: See the attached approved and preliminary _jurisdictional determination
forms dated 03/10/2023.
D. Remarks: The AJD and PJD review areas are depicted on the attached Figure 4 — Potential Aquatic
Resources — Wilson County LCID Landfill — Wilson NC, dated 03/07/23.
E. Attention USDA Program Participants
This delineation/determination has been conducted to identify the limits of Corps' Clean Water Act jurisdiction for the particular site
identified in this request. The delineation/determination may not be valid for the wetland conservation provisions of the Food Security
Act of 1985. If you or your tenant are USDA Program participants, or anticipate participation in USDA programs, you should request
a certified wetland determination from the local office of the Natural Resources Conservation Service, prior to starting work.
F. Appeals Information (This information applies only to approved jurisdictional determinations as indicated in B.
above)
If you object to this determination, you may request an administrative appeal under Corps regulations at 33 CFR Part 331. Enclosed
you will find a Notification of Appeal Process (NAP) fact sheet and Request for Appeal (RFA) form. If you request to appeal this
determination you must submit a completed RFA form to the following address:
US Army Corps of Engineers
South Atlantic Division
Attn: Mr. Philip A. Shannin
Administrative Appeal Review Officer
60 Forsyth Street SW, Floor M9
Atlanta, Georgia 30303-8803
AND
PHILIP.A. SHANNINnUSACE.ARMY.MIL
In order for an RFA to be accepted by the Corps, the Corps must determine that it is complete, that it meets the criteria for appeal
under 33 CFR part 331.5, and that it has been received by the Division Office within 60 days of the date of the NAP. Should you
decide to submit an RFA form, it must be received at the above address by 05/07/2023.
**It is not necessary to submit an RFA form to the Division Office if you do not object to the determination in this correspondence.**
Corps Regulatory Official: )JJJL4 V.
Date of JD: 03/10/2023 Expiration Date of AJD: 03/09/2028 Expiration Date of PJD: N/A

SAW-2023-00293
The Wilmington District is committed to providing the highest level of support to the public. To help us ensure we
continue to do so, please complete our Customer Satisfaction Survey, located online at
htq2s://regulatoiy.ops.usace.gM.mil/customer-service-survey/.
Copy Furnished:
Agent: Inver Environmental Consulting, LLC
Mr. Philip May
Address: 105 West 4th Street, Suite 700
Winston-Salem, NC 27101
Telephone Number: [phone]
E-mail: philmAinverenv.com

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Status 0 Wetland Figure 4
in er
Int � Pond Potential Aquatic Resources
C 150 300 Per 0 AID Area Wilson County LCID Landfill
03/07/23 mmmmmE=== Feet PJD Boundary Wilson NC

NOTIFICATION OF ADMINISTRATIVE APPEAL OPTIONS AND PROCESS AND
REQUEST FOR APPEAL
Applicant: Wilson County, Mr. Andy Davis File Number: SAW-2023-00293
Date: 03/08/2023
Attached
is:
See Section below
❑
INITIAL PROFFERED PERMIT (Standard Permit or Letter of permission)
A I
❑
PROFFERED PERMIT (Standard Permit or Letter of permission)
B I
❑
PERMIT DENIAL
C I
©
APPROVED JURISDICTIONAL DETERMINATION
D I
❑X
PRELIMINARY JURISDICTIONAL DETERMINATION
E
SECTION I - The following identifies your rights and options regarding an administrative appeal of the above decision.
Additional information may be found at or http://www.usace.army.mil/Missions/CivilWorks/Re ug latoryProgramandPermits.aspx
or the CorpVegulations at 33 CFR Part 331.
A: INITIAL PROFFERED PERMIT: You may accept or object to the permit.
• ACCEPT: If you received a Standard Permit, you may sign the permit document and return it to the district engineer for final
authorization. If you received a Letter of Permission (LOP), you may accept the LOP and your work is authorized. Your
signature on the Standard Permit or acceptance of the LOP means that you accept the permit in its entirety, and waive all
rights to appeal the permit, including its terms and conditions, and approved jurisdictional determinations associated with the
permit.
• OBJECT: If you object to the permit (Standard or LOP) because of certain terms and conditions therein, you may request
that the permit be modified accordingly. You must complete Section II of this form and return the form to the district
engineer. Your objections must be received by the district engineer within 60 days of the date of this notice, or you will
forfeit your right to appeal the permit in the future. Upon receipt of your letter, the district engineer will evaluate your
objections and may: (a) modify the permit to address all of your concerns, (b) modify the permit to address some of your
objections, or (c) not modify the permit having determined that the permit should be issued as previously written. After
evaluating your objections, the district engineer will send you a proffered permit for your reconsideration, as indicated in
Section B below.
B: PROFFERED PERMIT: You may accept or appeal the permit
• ACCEPT: If you received a Standard Permit, you may sign the permit document and return it to the district engineer for final
authorization. If you received a Letter of Permission (LOP), you may accept the LOP and your work is authorized. Your
signature on the Standard Permit or acceptance of the LOP means that you accept the permit in its entirety, and waive all
rights to appeal the permit, including its terms and conditions, and approved jurisdictional determinations associated with the
permit.
• APPEAL: If you choose to decline the proffered permit (Standard or LOP) because of certain terms and conditions therein,
you may appeal the declined permit under the Corps of Engineers Administrative Appeal Process by completing Section II of
this form and sending the form to the division engineer. This form must be received by the division engineer within 60 days
of the date of this notice.
C: PERMIT DENIAL: You may appeal the denial of a permit under the Corps of Engineers Administrative Appeal Process by
completing Section II of this form and sending the form to the division engineer. This form must be received by the division
engineer within 60 days of the date of this notice.
D: APPROVED JURISDICTIONAL DETERMINATION: You may accept or appeal the approved JD or provide new
information.
• ACCEPT: You do not need to notify the Corps to accept an approved JD. Failure to notify the Corps within 60 days of the
date of this notice, means that you accept the approved JD in its entirety, and waive all rights to appeal the approved JD.
• APPEAL: If you disagree with the approved JD, you may appeal the approved JD under the Corps of Engineers
Administrative Appeal Process by completing Section II of this form and sending the form to the district engineer. This form
must be received by the division engineer within 60 days of the date of this notice.

E: PRELIMINARY JURISDICTIONAL DETERMINATION: You do not need to respond to the Corps regarding the
preliminary JD. The Preliminary JD is not appealable. If you wish, you may request an approved JD (which may be appealed),
by contacting the Corps district for further instruction. Also you may provide new information for further consideration by the
Corps to reevaluate the JD.
SECTION H - REQUEST FOR APPEAL or OBJECTIONS TO AN INITIAL PROFFERED PERMIT
REASONS FOR APPEAL OR OBJECTIONS: (Describe your reasons for appealing the decision or your objections to an initial
proffered permit in clear concise statements. You may attach additional information to this form to clarify where your reasons or
objections are addressed in the administrative record.)
ADDITIONAL INFORMATION: The appeal is limited to a review of the administrative record, the Corps memorandum for the
record of the appeal conference or meeting, and any supplemental information that the review officer has determined is needed to
clarify the administrative record. Neither the appellant nor the Corps may add new information or analyses to the record.
However, you may provide additional information to clarify the location of information that is already in the administrative
record.
POINT OF CONTACT FOR QUESTIONS OR INFORMATION:
If you have questions regarding this decision and/or the
If you only have questions regarding the appeal process you may
appeal process you may contact:
also contact:
District Engineer, Wilmington Regulatory Division
MR. PHILIP A. SHANNIN
Attn: Billy W. Standridge
ADMINISTRATIVE APPEAL REVIEW OFFICER
Washington Regulatory Office
CESAD-PDS-O
U.S Army Corps of Engineers
60 FORSYTH STREET SOUTHWEST, FLOOR M9
2407 West Fifth Street
ATLANTA, GEORGIA 30303-8803
Washington, North Carolina 27889
PHONE: [phone]; FAX [phone]
EMAIL: PHILIP.A.SHANNINna USACE.ARMY.MIL
RIGHT OF ENTRY: Your signature below grants the right of entry to Corps of Engineers personnel, and any government
consultants, to conduct investigations of the project site during the course of the appeal process. You will be provided a 15-day
notice of any site investigation, and will have the opportuni to participate in all site investigations.
Date:
Telephone number:
Signature of appellant or agent.
For appeals on Initial Proffered Permits send this form to:
District Engineer, Wilmington Regulatory Division, Attn: Billy W. Standridge, 69 Darlington Avenue, Wilmington, North
Carolina 28403
For Permit denials, Proffered Permits and Approved Jurisdictional Determinations send this form to:
Division Engineer, Commander, U.S. Army Engineer Division, South Atlantic, Attn: Mr. Philip Shannin, Administrative
Appeal Officer, CESAD-PDO, 60 Forsyth Street, Room 10M15, Atlanta, Georgia 30303-8801
Phone: [phone]

DocuSign Envelope ID: CB4E605A-7614-415F-8AE4-1DED7341C2EE
Appendix 2 - PRELIMINARY JURISDICTIONAL DETERMINATION (PJD) FORM
BACKGROUND INFORMATION
A. REPORT COMPLETION DATE FOR PJD: 03/10/2023
B. NAME AND ADDRESS OF PERSON REQUESTING PJD: Philip May, 105 W 4th St, Suite 700, Winston Salem NC 27101
C. DISTRICT OFFICE, FILE NAME, AND NUMBER: Wilmington District, LCID Landfill / 2400 NC 42 East /
Wilson NC / Wilson County, SAW-2023-00293
D. PROJECT LOCATION(S) AND BACKGROUND INFORMATION:
(USE THE TABLE BELOW TO DOCUMENT MULTIPLE AQUATIC RESOURCES AND/OR
AQUATIC RESOURCES AT DIFFERENT SITES)
State: North Carolina County/parish/borough: Wilson County City: Wilson
Center coordinates of site (lat/long in degree decimal format):
Lat.: 35.7267512 Long.: 77.8686335
Universal Transverse Mercator:
Name of nearest waterbody: TOlsnot Swamp
E. REVIEW PERFORMED FOR SITE EVALUATION (CHECK ALL THAT APPLY):
❑ Office (Desk) Determination. Date:
❑X Field Determination. Date(s): 03/07/2023
TABLE OF AQUATIC RESOURCES IN REVIEW AREA WHICH "MAY BE" SUBJECT TO REGULATORY
JURISDICTION.
Site
number
Latitude
(decimal
degrees)
Longitude
(decimal
degrees)
Estimated amount
of aquatic resource
in review area
(acreage and linear
feet, if applicable)
Type of aquatic
resource (i.e., wetland
vs. non -wetland
waters)
Geographic authority
to which the aquatic
resource "may be"
subject (i.e., Section
404 or Section 10/404)
SA
35.7261010°N
77.8695808°W
664 If
Non -wetland waters
Section 404
SB
35.7263599°N
77.8706124°W
1 ,833 If
Non -wetland waters
Section 404
WA
35.7238017°N
77.8700060°W
3.29 ac
Wetland
Section 404
WB
35.7262779°N
77.8692707°W
0.06 ac
Wetland
Section 404

DocuSign Envelope ID: CB4E605A-7614-415F-8AE4-1 DED7341 CHE
1) The Corps of Engineers believes that there may be jurisdictional aquatic resources in
the review area, and the requestor of this PJD is hereby advised of his or her option
to request and obtain an approved JD (AJD) for that review area based on an
informed decision after having discussed the various types of JDs and their
characteristics and circumstances when they may be appropriate.
2) In any circumstance where a permit applicant obtains an individual permit, or a
Nationwide General Permit (NWP) or other general permit verification requiring "pre -
construction notification" (PCN), or requests verification for a non -reporting NWP or
other general permit, and the permit applicant has not requested an AJD for the
activity, the permit applicant is hereby made aware that: (1) the permit applicant has
elected to seek a permit authorization based on a PJD, which does not make an
official determination of jurisdictional aquatic resources; (2) the applicant has the
option to request an AJD before accepting the terms and conditions of the permit
authorization, and that basing a permit authorization on an AJD could possibly result
in less compensatory mitigation being required or different special conditions; (3) the
applicant has the right to request an individual permit rather than accepting the terms
and conditions of the NWP or other general permit authorization; (4) the applicant can
accept a permit authorization and thereby agree to comply with all the terms and
conditions of that permit, including whatever mitigation requirements the Corps has
determined to be necessary; (5) undertaking any activity in reliance upon the subject
permit authorization without requesting an AJD constitutes the applicant's acceptance
of the use of the PJD; (6) accepting a permit authorization (e.g., signing a proffered
individual permit) or undertaking any activity in reliance on any form of Corps permit
authorization based on a PJD constitutes agreement that all aquatic resources in the
review area affected in any way by that activity will be treated as jurisdictional, and
waives any challenge to such jurisdiction in any administrative or judicial compliance
or enforcement action, or in any administrative appeal or in any Federal court; and (7)
whether the applicant elects to use either an AJD or a PJD, the JD will be processed
as soon as practicable. Further, an AJD, a proffered individual permit (and all terms
and conditions contained therein), or individual permit denial can be administratively
appealed pursuant to 33 C.F.R. Part 331. If, during an administrative appeal, it
becomes appropriate to make an official determination whether geographic
jurisdiction exists over aquatic resources in the review area, or to provide an official
delineation of jurisdictional aquatic resources in the review area, the Corps will
provide an AJD to accomplish that result, as soon as is practicable. This PJD finds
that there "may be" waters of the U.S. and/or that there `may be" navigable waters of
the U.S. on the subject review area, and identifies all aquatic features in the review
area that could be affected by the proposed activity, based on the following
information:

DocuSign Envelope ID: CB4E605A-7614-415F-8AE4-1 DED7341 CHE
SUPPORTING DATA. Data reviewed for PJD (check all that apply)
Checked items should be included in subject file. Appropriately reference sources
below where indicated for all checked items:
❑■ Maps, plans, plots or plat submitted by or on behalf of the PJD requestor:
Map: Figure 4 —Potential Aquatic Resources —Wilson County LCID Landfill —Wilson NC, dated 03/07/23
❑E Data sheets prepared/submitted by or on behalf of the PJD requestor.
® Office concurs with data sheets/delineation report.
❑ Office does not concur with data sheets/delineation report. Rationale:
❑ Data sheets prepared by the Corps:
❑ Corps navigable waters' study:
❑ U.S. Geological Survey Hydrologic Atlas:
❑ USGS NHD data.
❑ USGS 8 and 12 digit HUC maps.
❑■ U.S. Geological Survey map(s). Cite scale & quad name:
National Map
❑i Natural Resources Conservation Service Soil Survey. Citation: Wilson County Soil Survey
❑■ National wetlands inventory map(s). Cite name: National NWI Data (ESRI)
❑ State/local wetland inventory map(s):
❑ FEMA/FIRM maps:
❑ 100-year Floodplain Elevation is:
❑■ Photographs: ❑■ Aerial (Name & Date):
.(National Geodetic Vertical Datum of 1929)
NC Onemap Aerial Photograph
or ❑■ Other (Name & Date): Site photographs (see attachment)
❑ Previous determination(s). File no. and date of response letter:
❑X Other information (please specify):
IMPORTANT NOTE: The information recorded on this form has not necessarily
been verified by the Corps and should not be relied upon for later jurisdictional
determinations.
&;//,, �) S"-1,7
SignatVe and date of
Regulatory staff member
completing PJD
03/10/2023
DocuSigned by:
�LUr " 3/7/2023
EA255839ADE54E4...
Signature and date of
person requesting PJD
(REQUIRED, unless obtaining
the signature is impracticable)'
' Districts may establish timeframes for requestor to return signed PJD forms. If the requestor does not respond
within the established time frame, the district may presume concurrence and no additional follow up is
necessary prior to finalizing an action.

APPROVED JURISDICTIONAL DETERMINATION FORM
U.S. Army Corps of Engineers
This form should be completed by following the instructions provided in Section IV of the JD Form Instructional Guidebook.
SECTION I: BACKGROUND INFORMATION
A. REPORT COMPLETION DATE FOR APPROVED JURISDICTIONAL DETERMINATION (JD): 03/08/2023
B. DISTRICT OFFICE, FILE NAME, AND NUMBER: Wilmington District, LCID Landfill / 2400 NC 42 East / Wilson NC / Wilson County,
SAW-2023-00293
C. PROJECT LOCATION AND BACKGROUND INFORMATION: The review area for this Jurisdictional Determination consists of an
approximately 45-acre portion of the Wilson County Landfill located on the south side of NC 42 East in Wilson County, NC. The review area
consists of a Preliminary Jurisdictional Determination (PJD) portion that totals approximately 44.5 acres and an Approved Jurisdictional
Determination (AID) portion that totals approximately 0.5 acres..
State: NC County/parish/borough: Wilson City: Wilson
Center coordinates of site (lat/long in degree decimal format): Lat. 35.72674 , Long.-77.86923
Universal Transverse Mercator:
Name of nearest waterbody: Toisnot Swamp
Name of nearest Traditional Navigable Water (TNW) into which the aquatic resource flows:
Name of watershed or Hydrologic Unit Code (HUC): 03020203
® Check if map/diagram of review area and/or potential jurisdictional areas is/are available upon request.
❑ Check if other sites (e.g., offsite mitigation sites, disposal sites, etc...) are associated with this action and are recorded on a different JD form:
D. REVIEW PERFORMED FOR SITE EVALUATION (CHECK ALL THAT APPLY):
❑ Office (Desk) Determination. Date:
® Field Determination. Date(s): 03/07/2023
SECTION II: SUMMARY OF FINDINGS
A. RHA SECTION 10 DETERMINATION OF JURISDICTION.
There are no "navigable waters of the U.S." within Rivers and Harbors Act (RHA) jurisdiction (as defined by 33 CFR part 329) in the review area.
[Required]
❑ Waters subject to the ebb and flow of the tide.
❑ Waters are presently used, or have been used in the past, or may be susceptible for use to transport interstate or foreign commerce. Explain:
B. CWA SECTION 404 DETERMINATION OF JURISDICTION.
There are not "waters of the U.S." within Clean Water Act (CWA) jurisdiction (as defined by 33 CFR part 328) in the review area. [Required]
1. Waters of the U.S.
a. Indicate presence of waters of U.S. in review area (check all that apply):'
❑ TNWs, including territorial seas
❑ Wetlands adjacent to TNWs
❑ Relatively permanent waters2 (RPWs) that flow directly or indirectly into TNWs
❑Non-RPWs that flow directly or indirectly into TNWs
❑ Wetlands directly abutting RPWs that flow directly or indirectly into TNWs
❑ Wetlands adjacent to but not directly abutting RPWs that flow directly or indirectly into TNWs
❑ Wetlands adjacent to non-RPWs that flow directly or indirectly into TNWs
❑ Impoundments of jurisdictional waters
❑ Isolated (interstate or intrastate) waters, including isolated wetlands
b. Identify (estimate) size of waters of the U.S. in the review area:
Non -wetland waters: linear feet, wide, and/or acres.
Wetlands: acres.
Boxes checked below shall be supported by completing the appropriate sections in Section III below.
Z For purposes of this form, an RPW is defined as a tributary that is not a TNW and that typically flows year-round or has continuous flow at least "seasonally" (e.g.,
typically 3 months).
Page 1 of 8 Form Version 10 June 2020

c. Limits (boundaries) of jurisdiction based on:
Elevation of established OHWM (if known):
Non -regulated waters/wetlands (check if applicable):'
® Potentially jurisdictional waters and/or wetlands were assessed within the review area and determined to be not jurisdictional. Explain:
The only aquatic resource within the AJD review area is a 0.28-acre pond constructed entirely within uplands.
SECTION III: CWA ANALYSIS
A. TNWs AND WETLANDS ADJACENT TO TNWs
The agencies will assert jurisdiction over TNWs and wetlands adjacent to TNWs. If the aquatic resource is a TNW, complete Section
III.A.1 and Section III.D.1. only; if the aquatic resource is a wetland adjacent to a TNW, complete Sections III.A.1 and 2 and Section
III.D.1.; otherwise, see Section III.B below.
1. TNW
Identify TNW:
Summarize rationale supporting determination:
Wetlandadjacent to TNW
Summarize rationale supporting conclusion that wetland is "adjacent':
CHARACTERISTICS OF TRIBUTARY (THAT IS NOT A TNW) AND ITS ADJACENT WETLANDS (IF ANY):
This section summarizes information regarding characteristics of the tributary and its adjacent wetlands, if any, and it helps determine
whether or not the standards for jurisdiction established under Rapanos have been met.
The agencies will assert jurisdiction over non -navigable tributaries of TNWs where the tributaries are "relatively permanent waters"
(RPWs), i.e. tributaries that typically flow year-round or have continuous flow at least seasonally (e.g., typically 3 months). A wetland
that directly abuts an RPW is also jurisdictional. If the aquatic resource is not a TNW, but has year-round (perennial) flow, skip to
Section III.D.2. If the aquatic resource is a wetland directly abutting a tributary with perennial flow, skip to Section III.D.4.
A wetland that is adjacent to but that does not directly abut an RPW requires a significant nexus evaluation. Corps districts and EPA
regions will include in the record any available information that documents the existence of a significant nexus between a relatively
permanent tributary that is not perennial (and its adjacent wetlands if any) and a traditional navigable water, even though a significant
nexus finding is not required as a matter of law.
If the waterbody4 is not an RPW, or a wetland directly abutting an RPW, a JD will require additional data to determine if the
waterbody has a significant nexus with a TNW. If the tributary has adjacent wetlands, the significant nexus evaluation must consider
the tributary in combination with all of its adjacent wetlands. This significant nexus evaluation that combines, for analytical purposes,
the tributary and all of its adjacent wetlands is used whether the review area identified in the JD request is the tributary, or its adjacent
wetlands, or both. If the JD covers a tributary with adjacent wetlands, complete Section III.B.1 for the tributary, Section III.B.2 for any
onsite wetlands, and Section III.B.3 for all wetlands adjacent to that tributary, both onsite and offsite. The determination whether a
significant nexus exists is determined in Section IILC below.
1. Characteristics of non-TNWs that flow directly or indirectly into TNW
(i) General Area Conditions:
Watershed size:
Drainage area:
Average annual rainfall: inches
Average annual snowfall: inches
(ii) Physical Characteristics:
(a) Relationship with TNW:
El Tributary flows directly into TNW.
El Tributary flows through tributaries before entering TNW.
Project waters are river miles from TNW.
Project waters are river miles from RPW.
s Supporting documentation is presented in Section HIT.
'Note that the Instructional Guidebook contains additional information regarding swales, ditches, washes, and erosional features generally and in the and West.
Page 2 of 8 Form Version 10 June 2020

Project waters are aerial (straight) miles from TNW.
Project waters are aerial (straight) miles from RPW.
Project waters cross or serve as state boundaries. Explain:
Identify flow route to TNW5:
Tributary stream order, if known:
(b) General Tributary Characteristics (check all that apply):
Tributary is: ❑Natural
❑Artificial (man-made). Explain:
❑ Manipulated (man -altered). Explain:
Tributary properties with respect to top of bank (estimate):
Average width: feet
Average depth: feet
Average side slopes: .
Primary tributary substrate composition (check all that apply):
❑ Silts ❑ Sands ❑ Concrete
❑ Cobbles ❑ Gravel ❑ Muck
❑Bedrock ❑ Vegetation. Type/% cover:
❑ Other. Explain:
Tributarycondition/stability [e.g., highly eroding, sloughing banks]. Explain:
Presence of run/riffle/pool complexes. Explain:
Tributary geometry:
Tributary gradient (approximate average slope): %
(c) Flow:
Tributary provides for:
Estimate average number of flow events in review area/year:
Describe flow regime:
Other information on duration and volume:
Surface flow is:. Characteristics:
Subsurface flow:. Explain findings:
❑ Dye (or other) test performed:
Tributary has (check all that apply):
❑ Bed and banks
❑ OHWM6(check all indicators that apply):
❑ clear, natural line impressed on the bank ❑ the presence of litter and debris
❑ changes in the character of soil ❑ destruction of terrestrial vegetation
❑ shelving ❑ the presence of wrack line
❑ vegetation matted down, bent, or absent ❑ sediment sorting
❑ leaf litter disturbed or washed away
❑ sediment deposition
❑ water staining
❑ other (list):
El Discontinuous OHWM? Explain:
❑ scour
❑ multiple observed or predicted flow events
® abrupt change in plant community
If factors other than the OHWM were used to determine lateral extent of CWA jurisdiction (check all that apply):
'Flow route can be described by identifying, e.g., tributary a, which flows through the review area, to flow into tributary b, which then flows into TNW.
6A natural or man-made discontinuity in the OHWM does not necessarily sever jurisdiction (e.g., where the stream temporarily flows underground, or where the
OHWM has been removed by development or agricultural practices). Where there is a break in the OHWM that is unrelated to the waterbody's flow regime (e.g., flow
over a rock outcrop or through a culvert), the agencies will look for indicators of flow above and below the break.
'Ibid.
Page 3 of 8 Form Version 10 June 2020

❑ High Tide Line indicated by:
❑ oil or scum line along shore objects
❑ fine shell or debris deposits (foreshore)
❑physical markings/characteristics
❑ tidal gauges
❑ other (list):
❑ Mean High Water Mark indicated by:
❑ survey to available datum;
El physical markings;
❑ vegetation lines/changes in vegetation types.
(iii) Chemical Characteristics:
Characterize tributary (e.g., water color is clear, discolored, oily film; water quality; general watershed characteristics, etc.). Explain:
Identify specific pollutants, if known:
(iv) Biological Characteristics. Channel supports (check all that apply):
El Riparian corridor. Characteristics (type, average width):
❑ Wetland fringe. Characteristics:
El Habitat for:
El Federally Listed species. Explain findings:
❑Fish/spawn areas. Explain findings:
❑ Other environmentally -sensitive species. Explain findings:
❑Aquatic/wildlife diversity. Explain findings:
2. Characteristics of wetlands adjacent to non-TNW that flow directly or indirectly into TNW
(i) Physical Characteristics:
(a) General Wetland Characteristics:
Properties:
Wetland size: acres
Wetland type. Explain:
Wetland quality. Explain:
Project wetlands cross or serve as state boundaries. Explain:
(b) General Flow Relationship with Non-TNW:
Flow is: Explain:
Surface flow is:
Characteristics:
Subsurface flow:. Explain findings:
❑ Dye (or other) test performed:
(c) Wetland Adjacency Determination with Non-TNW:
❑ Directly abutting
El Not directly abutting
❑ Discrete wetland hydrologic connection. Explain:
❑ Ecological connection. Explain:
❑ Separated by berm/barrier. Explain:
(d) Proximity (Relationship,) to TNW
Project wetlands are river miles from TNW.
Project waters are aerial (straight) miles from TNW.
Flow is from:.
Estimate approximate location of wetland as within the floodplain.
(ii) Chemical Characteristics:
Characterize wetland system (e.g., water color is clear, brown, oil film on surface; water quality; general watershed characteristics;
etc.). Explain:
Identify specific pollutants, if known:
(iii) Biological Characteristics. Wetland supports (check all that apply):
Page 4 of 8
Form Version 10 June 2020

El Riparian buffer. Characteristics (type, average width):
❑ Vegetation type/percent cover. Explain:
El Habitat for:
El Federally Listed species. Explain findings:
❑ Fish/spawn areas. Explain findings:
❑ Other environmentally -sensitive species. Explain findings:
❑ Aquatic/wildlife diversity. Explain findings:
Characteristics of all wetlands adjacent to the tributary (if any)
All wetland(s) being considered in the cumulative analysis:
Approximately acres in total are being considered in the cumulative analysis.
For each wetland, specify the following:
Directly abuts? (Y/N) Size (in acres) Directly abuts? (Y/N) Size (in acres)
Summarize overall biological, chemical and physical functions being performed:
C. SIGNIFICANT NEXUS DETERMINATION
A significant nexus analysis will assess the flow characteristics and functions of the tributary itself and the functions performed by any
wetlands adjacent to the tributary to determine if they significantly affect the chemical, physical, and biological integrity of a TNW.
For each of the following situations, a significant nexus exists if the tributary, in combination with all of its adjacent wetlands, has more
than a speculative or insubstantial effect on the chemical, physical and/or biological integrity of a TNW. Considerations when
evaluating significant nexus include, but are not limited to the volume, duration, and frequency of the flow of water in the tributary and
its proximity to a TNW, and the functions performed by the tributary and all its adjacent wetlands. It is not appropriate to determine
significant nexus based solely on any specific threshold of distance (e.g. between a tributary and its adjacent wetland or between a
tributary and the TNW). Similarly, the fact an adjacent wetland lies within or outside of a floodplain is not solely determinative of
significant nexus.
Draw connections between the features documented and the effects on the TNW, as identified in the Rapanos Guidance and discussed in
the Instructional Guidebook. Factors to consider include, for example:
• Does the tributary, in combination with its adjacent wetlands (if any), have the capacity to carry pollutants or flood waters to TNWs, or to
reduce the amount of pollutants or flood waters reaching a TNW?
• Does the tributary, in combination with its adjacent wetlands (if any), provide habitat and lifecycle support functions for fish and other
species, such as feeding, nesting, spawning, or rearing young for species that are present in the TNW?
• Does the tributary, in combination with its adjacent wetlands (if any), have the capacity to transfer nutrients and organic carbon that
support downstream food webs?
• Does the tributary, in combination with its adjacent wetlands (if any), have other relationships to the physical, chemical, or biological
integrity of the TNW?
Note: the above list of considerations is not inclusive and other functions observed or known to occur should be documented below:
Significant nexus findings for non-RPW that has no adjacent wetlands and flows directly or indirectly into TNWs. Explain findings
of presence or absence of significant nexus below, based on the tributary itself, then go to Section III.D:
2. Significant nexus findings for non-RPW and its adjacent wetlands, where the non-RPW flows directly or indirectly into TNWs.
Explain findings of presence or absence of significant nexus below, based on the tributary in combination with all of its adjacent wetlands,
then go to Section III.D:
Significant nexus findings for wetlands adjacent to an RPW but that do not directly abut the RPW. Explain findings of presence or
absence of significant nexus below, based on the tributary in combination with all of its adjacent wetlands, then go to Section IILD:
DETERMINATIONS OF JURISDICTIONAL FINDINGS. THE SUBJECT WATERS/WETLANDS ARE (CHECK ALL THAT
APPLY):
TNWs and Adjacent Wetlands. Check all that apply and provide size estimates in review area:
El TNWs: linear feet, wide, Or acres.
Page 5 of 8 Form Version 10 June 2020

❑ Wetlands adjacent to TNWs: acres.
2. RPWs that flow directly or indirectly into TNWs.
❑ Tributaries of TNWs where tributaries typically flow year-round are jurisdictional. Provide data and rationale indicating that tributary is
perennial:
❑ Tributaries of TNW where tributaries have continuous flow "seasonally" (e.g., typically three months each year)are jurisdictional. Data
supporting this conclusion is provided at Section III.B. Provide rationale indicating that tributary flows seasonally:
Provide estimates for jurisdictional waters in the review area (check all that apply):
❑ Tributary waters: linear feet wide.
❑ Other non -wetland waters: acres.
Identify type(s) of waters:
3. Non-RPWs' that flow directly or indirectly into TNWs.
❑ Waterbody that is not a TNW or an RPW, but flows directly or indirectly into a TNW, and it has a significant nexus with a TNW is
jurisdictional. Data supporting this conclusion is provided at Section III.C.
Provide estimates for jurisdictional waters within the review area (check all that apply):
❑ Tributary waters: linear feet, wide.
❑ Other non -wetland waters: acres.
Identify type(s) of waters:
4. Wetlands directly abutting an RPW that flow directly or indirectly into TNWs.
❑ Wetlands directly abut RPW and thus are jurisdictional as adjacent wetlands.
❑ Wetlands directly abutting an RPW where tributaries typically flow year-round. Provide data and rationale indicating that tributary
is perennial in Section III.D.2, above. Provide rationale indicating that wetland is directly abutting an RPW:
❑ Wetlands directly abutting an RPW where tributaries typically flow "seasonally." Provide data indicating that tributary is seasonal
in Section III.B and rationale in Section III.D.2, above. Provide rationale indicating that wetland is directly abutting an RPW:
Provide acreage estimates for jurisdictional wetlands in the review area: acres.
5. Wetlands adjacent to but not directly abutting an RPW that flow directly or indirectly into TNWs.
❑ Wetlands that do not directly abut an RPW, but when considered in combination with the tributary to which they are adjacent and with
similarly situated adjacent wetlands, have a significant nexus with a TNW are jurisidictional. Data supporting this conclusion is
provided at Section IILC.
Provide acreage estimates for jurisdictional wetlands in the review area: acres.
6. Wetlands adjacent to non-RPWs that flow directly or indirectly into TNWs.
❑ Wetlands adjacent to such waters, and have when considered in combination with the tributary to which they are adjacent and with
similarly situated adjacent wetlands, have a significant nexus with a TNW are jurisdictional. Data supporting this conclusion is
provided at Section IILC.
Provide estimates for jurisdictional wetlands in the review area: acres.
Impoundments of jurisdictional waters.9
As a general rule, the impoundment of a jurisdictional tributary remains jurisdictional.
❑ Demonstrate that impoundment was created from "waters of the U.S.," or
El Demonstrate that water meets the criteria for one of the categories presented above (1-6), or
❑ Demonstrate that water is isolated with a nexus to commerce (see E below).
'See Footnote # 3.
'To complete the analysis refer to the key in Section III.D.6 of the Instructional Guidebook.
Page 6 of 8 Form Version 10 June 2020

E. ISOLATED [INTERSTATE OR INTRA-STATE] WATERS, INCLUDING ISOLATED WETLANDS, THE USE, DEGRADATION
OR DESTRUCTION OF WHICH COULD AFFECT INTERSTATE COMMERCE, INCLUDING ANY SUCH WATERS (CHECK
ALL THAT APPLY):lo
❑ which are or could be used by interstate or foreign travelers for recreational or other purposes.
❑ from which fish or shellfish are or could be taken and sold in interstate or foreign commerce.
❑ which are or could be used for industrial purposes by industries in interstate commerce.
El Interstate isolated waters. Explain:
❑ Other factors. Explain:
Identify water body and summarize rationale supporting determination:
Provide estimates for jurisdictional waters in the review area (check all that apply):
❑ Tributary waters: linear feet, wide.
❑ Other non -wetland waters: acres.
Identify type(s) of waters:
❑ Wetlands: acres.
F. NON -JURISDICTIONAL WATERS, INCLUDING WETLANDS (CHECK ALL THAT APPLY):
❑ If potential wetlands were assessed within the review area, these areas did not meet the criteria in the 1987 Corps of Engineers Wetland
Delineation Manual and/or appropriate Regional Supplements.
❑ Review area included isolated waters with no substantial nexus to interstate (or foreign) commerce.
❑ Prior to the Jan 2001 Supreme Court decision in "SWANCC," the review area would have been regulated based solely on the "Migratory
Bird Rule" (MBR).
❑ Waters do not meet the "Significant Nexus" standard, where such a finding is required for jurisdiction. Explain:
® Other: (explain, if not covered above): Pond constructed entirely within uplands.
Provide acreage estimates for non jurisdictional waters in the review area, where the sole potential basis of jurisdiction is the MBR factors (i.e.,
presence of migratory birds, presence of endangered species, use of water for irrigated agriculture), using best professional judgment (check all
that apply):
❑Non -wetland waters (i.e., rivers, streams):linear feet, wide.
❑ Lakes/ponds: acres.
❑ Other non -wetland waters: acres. List type of aquatic resource:
❑ Wetlands: acres.
Provide acreage estimates for non jurisdictional waters in the review area that do not meet the "Significant Nexus" standard, where such a
finding is required for jurisdiction (check all that apply):
❑Non -wetland waters (i.e., rivers, streams):linear feet, wide.
❑ Lakes/ponds: acres.
❑ Other non -wetland waters: acres. List type of aquatic resource:
❑ Wetlands: acres.
SECTION IV: DATA SOURCES.
A. SUPPORTING DATA. Data reviewed for JD (check all that apply - checked items shall be included in case file and, where checked and
requested, appropriately reference sources below):
® Maps, plans, plots or plat submitted by or on behalf of the applicant/consultant: JD package dated Jan 31, 2023, revised Mar 7, 2023
® Data sheets prepared/submitted by or on behalf of the applicant/consultant.
X❑ Office concurs with data sheets/delineation report.
❑ Office does not concur with data sheets/delineation report.
❑ Data sheets prepared by the Corps:
❑ Corps navigable waters' study:
10Prior to asserting or declining CWA jurisdiction based solely on this category, Corps Districts will elevate the action to Corps and EPA HQ for review
consistent with the process described in the Corps/EPA Memorandum Regarding CWA Act Jurisdiction Following Rapanos.
Page 7 of 8 Form Version 10 June 2020

❑ U.S. Geological Survey Hydrologic Atlas:
❑USGS NHD data.
❑ USGS 8 and 12 digit HUC maps.
® U.S. Geological Survey map(s). Cite scale & quad name: National Map
® USDA Natural Resources Conservation Service Soil Survey. Citation: Web Soil Survey
❑X National wetlands inventory map(s). Cite name: National NWI Data (ESRI)
❑ State/Local wetland inventory map(s):
❑ FEMA/FIRM maps:
❑ 100-year Floodplain Elevation is: (National Geodectic Vertical Datum of 1929)
0 Photographs: ❑X Aerial (Name & Date): NC Onemap Aerial Photograph
Or ® Other (Name & Date): Site Photographs
❑ Previous determination(s). File no. and date of response letter:
❑ Applicable/supporting case law:
❑ Applicable/supporting scientific literature:
0 Other information (please specify): LiDAR
B. ADDITIONAL COMMENTS TO SUPPORT JD:
N/A
Page 8 of 8 Form Version 10 June 2020

DoruSign Envelope ID 8B3AFB20-E441-49CE-98A4-D5120313Dt9D
ROY COOPER
Governor
ELIZABETH S. BISER
Secretary
RI CHARD E. ROGERS. JP_
Director
Andy Davis
PO Box 1728
Wilson, NC 27894
NORTH CAROLINA
Environmental Quality
January 30, 2023
Subject: Suffer Deterudnation Letter
NBRRO # 22-581
Wilson County
Determination Type
Buffer
Intermittent/Perennial
® Neuse (I5A NCAC 213 .0714)
❑ Tar -Pamlico (15A NCAC 2B ,0734)
❑ Intermittent/Perennial Determination (where local
buffer ordinances apply)
❑ Jordan (15A NCAC 2B .0267) (governmental
and/or interjurisdictional projects)
Project Name: Wilson County LCID Landfill
Address/Location: 2400 NC-42 East, Wilson, NC 27893
Streams): Toisnot
Determination Date: January 118, 2023
Staff: Joe Myers
Feature
E/f/P(l)
Not
Subject
J
Start a,
Sin p �
Soil
USGS
Sublect(a)
Survey
To o
A
P
X
Start: DWR A 35.726603,-77S6933$
Stop: Of PropertyX
B
P
X
Subject Throughout
X
X
(1) E = Ephemeral, 1 = Intennittcnt, P = Perennial, NP = Not Present, NIA =Not Applicable
(2) Refers to State riparian buffer rules only. Stream, wetland. or pond impacts are still subject to applicable water quality
standards and permitting requirements.
Explanation: The strcam(s)/pond(s) listed above has been located on the most recent published MRCS Soil Sunny
of Wilson County, North Carolina and/or the most recent copy of the USGS Topographic map at a 1: 24,000 scale.
Each feature that is checked "Not Subject" has been determined to not be an intermittent stream, perennial stream, a
pond connected to a stream feature, or the feature is determined not to be present. Stream features that are checked
"Subject" have been located on the property and possess characteristics that qualify them to be subject to the buffer
rules. There may be other streams located on the property that are not depicted on the maps referenced above and
are therefore not subject to the buffer rules. However, if the stream features are present on the tract, they are subject
to all other applicable North Carolina stream standards and permitting requirements as outlined in 15A NCAC 02B,
and may be considered jurisdictional according to the US Army Corps of Engineers.

DocuSign Envelope ID; BB3AFB20-E441-49CE-98A4-D5120313D19D
Wilson County LCID Landfill
Wilson County
1 /3 0/2023
Page 2 of 2
This on -site determination shall expire five (5) years from the date of this letter. Landowners or affected
parties that dispute a determination made by the DWR may request a determination by the Director. An
appeal request must be made within sixty (60) days of date of this letter. A request for a determination by the
Director shall be referred to the Director in writing. If'sendi►ig vice US.Postal Service. c/o DWR 401 & Huffer
Permitting Supervisor; DWR — 401 & Buffer Per►niiring Unit; 1617 Mail Service Center; Raleigh, NC 27699-
1617. if .reading via delivery service (UPS, FedF_r, etc.): DWR 401 & Buffer Permitting Supervisor; DWR — 401
& Buffer Permitting Unit; 512 N. Salisbury Street; Raleigh, NC 27604.
This determination is final and binding unless, as detailed above, an appeal is requested within sixty (60)
days.
This project may require a Section 404/401 Permit for the proposed activity. Any inquiries should be
directed to the US Army Corp of Engineers (Raleigh Regulatory Field Office) at (919)-554-4884.
If you have questions regarding this determination, please feel free to contact doe Myers at [phone].
Sincerely,
OvouSigned by:
E
�aln e SSOL `e. h aln..t>,.t , f r
B281SE6A932144F..
Scott Vinson, Regional Supervisor
Water Quality Regional Operations Section
Raleigh Regional Office
Division of Water Resources. NCDEQ
cc: Laserfiche
P h i l rak i n_v_erenv. c_o to
D_E Qi�
Ilan. i N! V�
North Carolina Department of Environrnental Quality' Division of Water Resources I Raleigh Regional Office
3800 Barrett Drive 1628 Mail Service Center l Raleigh, North Carolina 27699.1628
919.791.4200

DocuSign Envelope 10: 8B3AFB20-E441-49CE-98A4-D5120313D19D
E:i►MMI-03�i
Wilson County LCI❑ Landfill
Wilson County
II Feature B: Subject I
0STA?Q Map provided by Inver Envi-
6
Legend: ronmental Consulting.
Locations are approximate
-Approximate Site Boundary: and are provided for refer-
-Approximate Start/Stop Point ence only::
* '�� �'

DocuSign Envelope ID: 8B3AFB20-E441A9CE-98A4-❑5120313D19D
#22-581
Wilson County LCID Landfill
Wilson County
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s
Locations are approximate
and are provided for refer-
ence only::

INC: Explore Location resources
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IPaC
PaC resource list
U.S. Fish & Wildlife Service
This report is an automatically generated list of species and other resources such as
critical habitat (collectively referred to as trust resources) under the U.S. Fish and Wildlife
Service's (USFWS) jurisdiction that are known or expected to be on or near the project
area referenced below. The list may also include trust resources that occur outside of the
project area, but that could potentially be directly or indirectly affected by activities in the
project area. However, determining the likelihood and extent of effects a project may have
on trust resources typically requires gathering additional site -specific (e.g.,
vegetation/species surveys) and project -specific (e.g., magnitude and timing of proposed
activities) information.
Below is a summary of the project information you provided and contact information for
the USFWS office(s) with jurisdiction in the defined project area. Please read the
introduction to each section that follows (Endangered Species, Migratory Birds, USFWS
Facilities, and NWI Wetlands) for additional information applicable to the trust resources
addressed in that section. ,
Location
Wilson County, North Carolina"-
Local office
Raleigh Ecological Services Field Office
t. [phone]
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IJ3 [phone]
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MAILING ADDRESS
Post Office Box 33726
Raleigh, NC 27636-3726
PHYSICAL ADDRESS
551 Pylon Drive, Suite F
Raleigh, NC 27606-1487
Foy
Go
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Endangered species
This resource list is for informational purposes only and does not constitute an
analysis of project level impacts.
The primary information used to generate this list is the known or expected range of each
species. Additional areas of influence (AOI) for species are also considered. An AOI
includes areas outside of the species range if the species could be indirectly affected by
activities in that area (e.g., placing a dam upstream of a fish population even if that fish
does not occur at the dam site, may indirectly impact the species by reducing or
eliminating water flow downstream). Because species can move, and site conditions can
change, the species on this list are not guaranteed to be found on or near the project
area. To fully determine any potential effects to species, additional site -specific and -
project -specific information is often required. f
Section 7 of the Endangered Species Act requires Federal agencies to "request of the
Secretary information whether any species which is listed or proposed to be fisted may be
present in the area of such proposed action" for any project that is conducted, permitted,
funded, or licensed by any Federal agency. A letter from the local office and a species list
which fulfills this requirement can only be obtained by requesting an official species list
from either the Regulatory Review section in IPaC (see directions below) or from the local
field office directly.
y
For project evaluations that require USFWS concurrence/review, please return to the IPaC
website and request an official species list by doing the following:
1. Draw the project location and click CONTINUE.
2. Click DEFINE PROJECT.
3. Log in (if directed to do so).
4. Provide a name and description for your project.
5. Click REQUEST SPECIES LIST.
Listed species' and their critical habitats are managed by the Ecological Services Program
of the U.S. Fish and Wildlife Service (USFWS) and the fisheries division of the National
Oceanic and Atmospheric Administration (NOAA Fisheries).
Species and critical habitats under the sole responsibility of NOAA Fisheries are not shown
on this list. Please contact NOAA Fisheries for species under their jurisdiction.
1. Species listed under the Endangered Species Act are threatened or endangered; IPaC
also shows species that are candidates, or proposed, for listing. See the listing status
page for more information. IPaC only shows species that are regulated by USFWS (see
FAQ).
2. NOAA Fisheries, also known as the National Marine Fisheries Service (NMFS), is an
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office of the National Oceanic and Atmospheric Administration within the Department
of Commerce.
The following species are potentially affected by activities in this location:
Mammals
NAME STATUS
Tricolored Bat Perimyotis subflavus Proposed Endangered
Wherever found
No critical habitat has been designated for this species.
htt ps://e cos.fws.govtec pIs pe ci e s/10515
Amphibians
NAME STATUS \0
Neuse River Waterlog Necturus iewisi Threatenoib-
Wherever found
There is final critical habitat for this species. Your location
does not overlap the critical habitat. ,
1�tCp5:IIECo5.fW5.g / I�peCIesI6772
Fishes
NAME
Carolina Madtom Noturus furiosus
Wherever found
There is final critical habitat for this species. Your location
does not overlap the critical habitat.
https-.//ecos.fws.gov/ecplspecies/5Z8
Insects
NAME
Monarch Butterfly Danaus plexippus
Wherever found
No critical habitat has been designated for this species.
Jatps://ecos.fws.goy/ecpL5pecies/9743
Critical habitats
STATUS
Endangered
STATUS
Candidate
Potential effects to critical habitat(s) in this location must be analyzed along with the
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endangered species themselves.
There are no critical habitats at this location.
Migratory birds
Certain birds are protected under the Migratory Bird Treaty Actl and the Bald and Golden
Eagle Protection Acts.
Any person or organization who plans or conducts activities that may result in impacts to
migratory birds, eagles, and their habitats should follow appropriate regulations and
consider implementing appropriate conservation measures, as described below.
1. The Migratory Birds Treaty Act of 1918.
2. The Bald and Golden Eagle Protection Act of 1948.
Additional information can be found using the following links:
• Birds of Conservation Concern lamps://www fw gQy1�gram/migratory-birdslspe, ecies
• Measures for avoiding and minimizing impacts to birds https://www.fws.gov/library_
/col I ecti ons/avoid i ng-and-minimizing-incidental-take-migratory-birds
• Nationwide conservation measures for birds https://www.fws.gov/sites/default/files
/documents/nationwide-standard-conservation-measu res. pdf
The birds listed below are birds of particular concern either because they occur on the
USFWS Birds of Conservation Concern (BCC) list or warrant special attention in your
project location. To learn mare about the levels of concern far birds on your list and haw
this list is generated, see the FAQ below. This is not a list of every bird you may find in this
location, nor a guarantee that every bird on this list will be found in your project area. To
see exact locations of where birders and the general public have sighted birds in and
around your project area, visit the E-bird data mapping tool (Tip: enter your location,
desired date range and a species on your list). For projects that occur off the Atlantic
Coast, additional maps and models detailing the relative occurrence and abundance of
bird species on your list are available. Links to additional information about Atlantic Coast
birds, and other important information about your migratory bird list, including how to
properly interpret and use your migratory bird report, can be found below.
For guidance on when to schedule activities or implement avoidance and minimization
measures to reduce impacts to migratory birds on your list, click on the PROBABILITY OF
PRESENCE SUMMARY at the top of your list to see when these birds are most likely to be
present and breeding in your project area.
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BF49EMING SEASON
https:Hipac.ecosphere.fws.gov/location/AOJB5WTR5JGPFNZZZAE...
American Kestrel Falco sparverius paulus Breeds Apr 1 to Aug 31
This is a Bird of Conservation Concern (BCC) only in particular
Bird Conservation Regions (BCRs) in the continental USA
https://ecos.fws.gov/ecptspecies/9587
Bald Eagle Haliaeetus leucocephalus Breeds Sep 1 to Jul 31
This is not a Bird of Conservation Concern (BCC) in this area,
but warrants attention because of the Eagle Act or for
potential susceptibilities in offshore areas from certain types
of development or activities.
Brown -headed Nuthatch Sitta pusilla Breeds Marl to Jul 15
This is a Bird of Conservation Concern (BCC) only in particular
Bird Conservation Regions (BCRs) in the continental USA
Chimney Swift Chaetura pelagica
This Is a Bird of Conservation Concern (BCC) throughout Its
range in the continental USA and Alaska.
Kentucky Warbler Oporornis formosus
This is a Bird of Conservation Concern (BCC) throughout its
range in the continental USA and Alaska.
Lesser Yellowlegs Tringa flavipes
This is a Bird of Conservation Concern (BCC) throughout its
range in the continental USA and Alaska.
ttps://ecos.fws.govlecplspecies/9679
Prairie Warbler Dendroica discolor
This is a Bird of Conservation Concern (BCC) throughout its
range in the continental USA and Alaska.
Prothonotary Warbler Protonotaria citrea
This is a Bird of Conservation Concern (BCC) throughout its
range in the continental USA and Alaska.
Red-headed Woodpecker Melanerpes erythrocephalus
This is a Bird of Conservation Concern (BCC) throughout its
range in the continental USA and Alaska.
Breeds Mar 15 to Aug 25
No,
Breeds Apr 20 to Aug 20
Breeds elsewhere
Breeds May 1 to Jul 31
Breeds Apr 1 to Jul 31
Breeds May 10 to Sep 10
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Rusty Blackbird Euphagus carolinus Breeds elsewhere
This is a Bird of Conservation Concern (BCC) only in particular
Bird Conservation Regions (BCRs) in the continental USA
Probability of Presence Summary
The graphs below provide our best understanding of when birds of concern are most
likely to be present in your project area. This information can be used to tailor and
schedule your project activities to avoid or minimize impacts to birds. Please make sure
you read and understand the FAQ "Proper Interpretation and Use of Your Migratory Bird
Report" before using or attempting to interpret this report.
Probability of Presence( )
Each green bar represents the bird's relative probability of presence in the 10km grid
cells) your project overlaps during a particular week of the year. (A year is represented as
12 4-week months.) A taller bar indicates a higher probability of species presence. The
survey effort (see below) can be used to establish a level of confidence in the presence
score. One can have higher confidence in the presence score if the corresponding survey
effort is also high.
How is the probability of presence score calculated? The calculation is done in three steps:
1. The probability of presence for each week is calculated as the number of survey events
in the week where the species was detected divided by the total number of survey
events for that week. For example, if in week 12 there were 20 survey events and the
Spotted Towhee was found in 5 of them, the probability of presence of the Spotted
Towhee in week 12 is 0.25.
2. To properly present the pattern of presence across the year, the relative probability of
presence is calculated. This is the probability of presence divided by the maximum
probability of presence across all weeks. For example, imagine the probability of
presence in week 20 for the Spotted Towhee is 0.05, and that the probability of
presence at week 12 (0.25) is the maximum of any week of the year. The relative
probability of presence on week 12 is 0.25/0.25 = 1; at week 20 it is 0.0510.25 = 0.2.
3. The relative probability of presence calculated in the previous step undergoes a
statistical conversion so that all possible values fall between 0 and 10, inclusive. This is
the probability of presence score.
To see a bar's probability of presence score, simply hover your mouse cursor over the bar.
Breeding Season ( )
Yellow bars denote a very liberal estimate of the time -frame inside which the bird breeds
across its entire range. If there are no yellow bars shown for a bird, it does not breed in
your project area.
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Survey Effort (1)
Vertical black lines superimposed on probability of presence bars indicate the number of
surveys performed for that species in the 10km grid cell(s) your project area overlaps. The
number of surveys is expressed as a range, for example, 33 to 64 surveys.
To see a bar's survey effort range, simply hover your mouse cursor over the bar.
No Data (—)
A week is marked as having no data if there were no survey events for that week.
Survey Timeframe
Surveys from only the last 10 years are used in order to ensure delivery of currently
relevant information. The exception to this is areas off the Atlantic coast, where bird
returns are based on all years of available data, since data in these areas is currently
much more sparse. ok\*N\
probability of presence breeding season I survey effort — no data
SPECIES JAN FEB VAR APR MAY JUN JUL AUG 5EP �OCT., NOV DEC
American i E F a ek+
}_�. _ Kestrel LAM ANSE MEN&r � —
BCC — BCR
Bald Eagle —
I I I I ;� • ,x j f I I 1 1- .I I I I ,I- I i -1 �-� .�.:
Nan -BCC
Vulnerable
Brown- • + ` 1 1 y..-
headed ■4 RNME sons sir■ {
Nuthatch
BCC - BCR
Chimney
Swift
BCC
Rangewide
(CON)
Kentucky
Warbler
BCC
Rangewide
(CON)
Lesser ++ ++++++ +++ ++++ 4- 4- +--� ---�
Yellowlegs
BCC
Rangewide
(CON)
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Prairie -+�+ +++++ �11� 4- 4-4- +--� ---� --- — —
Warbler
BCC
Rangewide
(CON)
Prothon
Warbler otary +++ IIII IIII IIII I4— +--- ---� — —
BCC
Rangewide
(CON)
Red-headedIIII""'
Woodpecker
BCC
Rangewide
(CON)
Rusty
Blackbird
BCC - BCR
Tell me more about conservation measures I can implement to avoid or minimize impacts to
migratory birds.
Nationwide Conservation Measures describes measures that can help avoid and minimize impacts to all
birds at any location year round. Implementation of these measures is particularly important when
birds are most likely to occur in the project area. When birds may be breeding in the area, identifying
the locations of any active nests and avoiding their destruction is a very helpful impact minimization
measure. To see when birds are most likely to occur and be breeding in your project area, view the
Probability of Presence Summary. Additional measures or permits may be advisable depending on the
type of activity you are conducting and the type of infrastructure or bird species present on your project
site. 14� *%-Or
What does IPaC use to generate the list of migratory birds that potentially occur in my specified
location?
The Migratory Bird Resource List is comprised of USFWS Birds of Conservation Concern {BCC) and other
species that may warrant special attention in your project location.
The migratory bird list generated for your project is derived from data provided by the Avian Knowledge
Network (AKN). The AKN data is based on a growing collection of survey_, banding, and citizen science
datasets and is queried and filtered to return a list of those birds reported as occurring in the 10km grid
cell(s) which your project intersects, and that have been identified as warranting special attention
because they are a BCC species in that area, an eagle (Eagle Art requirements may apply), or a species
that has a particular vulnerability to offshore activities or development.
Again, the Migratory Bird Resource list includes only a subset of birds that may occur in your project
area. It is not representative of all birds that may occur in your project area. To get a list of all birds
potentially present in your project area, please visit the Rapid Avian Information Locator (RAIL) Tool.
What does IPaC use to generate the probability of presence graphs for the migratory birds
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potentially occurring in my specified location?
The probability of presence graphs associated with your migratory bird list are based on data provided
by the Avian Knowledge Network (AKN). This data is derived from a growing collection of survey.,
n ing, and citizen science datasets.
Probability of presence data is continuously being updated as new and better information becomes
available. To learn more about how the probability of presence graphs are produced and how to
interpret them, go the Probability of Presence Summary and then click on the "Tell me about these
graphs" link.
How do I know if a bird is breeding, wintering or migrating in my area?
To see what part of a particular bird's range your project area falls within (i.e. breeding, wintering,
migrating or year-round), you may query your location using the RAIL Tool and look at the range maps
provided for birds in your area at the bottom of the profiles provided for each bird in your results. If a
bird on your migratory bird species list has a breeding season associated with it, if that bird does occur
in your project area, there may be nests present at some point within the timeframe specified. If
"Breeds elsewhere" is Indicated, then the bird likely does not breed in your project area -
What are the levels of concern for migratory birds?
Migratory birds delivered through IPaC fall into the following distinct categories of concern:
1. "BCC Rangewide" birds are Birds of Conservation Concern (BCC) that are of concern throughout
their range anywhere within the USA (Including Hawaii, the Pacific Islands, Puerto Rico, and the
Virgin Islands);
2. "BCC - BCR" birds are BCCs that are of concern only in particular Bird Conservation Regions (BCRs)
in the continental USA; and
3. "Non -BCC - Vulnerable" birds are not BCC species in your project area, but appear on your list either
because of the Eag e Act requirements (for eagles) or (for non -eagles) potential susceptibilities in
offshore areas from certain types of development or activities (e.g. offshore energy development or
longline fishing).
Although it is important to try to avoid and minimize impacts to all birds, efforts should be made, in
particular, to avoid and minimize impacts to the birds on this list, especially eagles and BCC species of
rangewide concern. For more information on conservation measures you can implement to help avoid
and minimize migratory bird impacts and requirements for eagles, please see the FAQs for these topics.
Details about birds that are potentially affected by offshore projects
For additional details about the relative occurrence and abundance of both individual bird species and
groups of bird species within your project area off the Atlantic Coast, please visit the Northeast Ocean
Data Portal. The Portal also offers data and information about other taxa besides birds that may be
helpful to you in your project review. Alternately, you may download the bird model results files
underlying the portal maps through the NOAA NCCOS Integrative Statistical Modeling and Predictive
Mapping of Marine Bird Distributions and Abundance on the Atlantic Outer Continental Shelf project
webpage.
Bird tracking data can also provide additional details about occurrence and habitat use throughout the
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year, including migration. Models relying on survey data may not include this information. For
additional information on marine bird tracking data, see the Diving Bird Study_ and the nanotag studies
or contact Caleb Spiegel or Pam Loring.
What if I have eagles on my list?
If your project has the potential to disturb or kill eagles, you may need to obtain a permit to avoid
violating the Eagle Act should such impacts occur.
Proper Interpretation and Use of Your Migratory Bird Report
The migratory bird list generated is not a list of all birds in your project area, only a subset of birds of
priority concern. To learn more about how your list is generated, and see options for identifying what
other birds may be in your project area, please see the FAQ "What does IPaC use to generate the
migratory birds potentially occurring in my specified location". Please be aware this report provides the
"probability of presence" of birds within the 10 km grid cell(s) that overlap your project; not your exact
project footprint. On the graphs provided, please also look carefully at the survey effort (indicated by
the black vertical bar) and for the existence of the "no data" indicator (a red horizontal bar). A high
survey effort is the key component. If the survey effort is high, then the probability of presence score
can be viewed as more dependable. In contrast, a low survey effort bar or no data bar means a lack of
data and, therefore, a lack of certainty about presence of the species. This list is not perfect; it is simply
a starting point for identifying what birds of concern have the potential to be in your project area, when
they might be there, and if they might be breeding (which means nests might be present). The list helps
you know what to look for to confirm presence, and helps guide you in knowing when to implement
conservation measures to avoid or minimize potential impacts from your project activities, should
presence be confirmed. To learn more about conservation measures, visit the FAQ "Tell me about
conservation measures I can implement to avoid or minimize impacts to migratory birds" at the bottom
of your migratory bird trust resources page.
Facilities
National Wildlife Refuge lands
Any activity proposed on lands managed by the National Wildlife Refuge system must
undergo a 'Compatibility Determination' conducted by the Refuge. Please contact the
individual Refuges to discuss any questions or concerns.
There are no refuge lands at this location.
Fish hatcheries
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There are no fish hatcheries at this location.
Wetlands in the National Wetlands
Inventory (NWI)
Impacts to NWI wetlands and other aquatic habitats may be subject to regulation under
Section 404 of the Clean Water Act, or other State/Federal statutes.
For more information please contact the Regulatory Program of the local U.S. Army C9rp-S
of Engineers District.
Please note that the NWI data being shown may be out of date. We are currently working
to update our NWI data set. We recommend you verify these results with a site visit to
determine the actual extent of wetlands on site. 4<x VXL
This location overlaps the following wetlands:
FRESHWATER FORESTED/SHRUB WETLAND xs��
P55114A4�O
PE01A0
A full description for each wetland c❑ e}can be found at the National Wetlands Invontary_
w bsi e
NOTE: This initial screening does not replace an on -site delineation to determine whether
wetlands occur. Additional information on the NWI data is provided below.
Data limitations
The Service's objective of mapping wetlands and deepwater habitats is to produce reconnaissance level
information on the location, type and size of these resources. The maps are prepared from the analysis
of high altitude imagery. Wetlands are identified based on vegetation, visible hydrology and geography.
A margin of error is inherent in the use of imagery; thus, detailed on -the -ground inspection of any
particular site may result in revision of the wetland boundaries or classification established through
image analysis.
The accuracy of image interpretation depends on the quality of the imagery, the experience of the
image analysts, the amount and quality of the collateral data and the amount of ground truth
verification work conducted. Metadata should be consulted to determine the date of the source
imagery used and any mapping problems.
Wetlands or other mapped features may have changed since the date of the imagery or field work.
There may be occasional differences in polygon boundaries or classifications between the information
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depicted on the map and the actual conditions on site.
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Data exclusions
Certain wetland habitats are excluded from the National mapping program because of the limitations of
aerial imagery as the primary data source used to detect wetlands. These habitats include seagrasses or
submerged aquatic vegetation that are found in the intertidal and subtidal zones of estuaries and
nearshore coastal waters. Some deepwater reef communities (coral or tuberficid worm reefs) have also
been excluded from the inventory. These habitats, because of their depth, go undetected by aerial
imagery.
Data precautions
Federal, state, and local regulatory agencies with jurisdiction over wetlands may define and describe
wetlands in a different manner than that used in this inventory. There is no attempt, in either the
design or products of this inventory, to define the limits of proprietary jurisdiction of any Federal, state,
or local government or to establish the geographical scope of the regulatory programs of government
agencies. persons intending to engage in activities involving modifications within or adjacent to wetland
areas should seek the advice of appropriate Federal, state, or local agencies concerning specified
agency regulatory programs and proprietary jurisdictions that may affect such activities.
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Roy Cooper, Governar
■■ NC DEPARTMENT OF
a sr
■o on NATURAL AND CULTURAL RESOURCES
■ Oros
March 13, 2023
Philip May
Inver Environmental Consulting, LLC
105 West 4th Street
Winston-Salem, NC 27101
RE: Wilson Co LCID
Dear Philip May:
0. Reid Wilson, Secretary
Misty RuChenan
Deputy Director, Natural Heritage Program
NCNHDE-21257
The North Carolina Natural Heritage Program (NCNHP) appreciates the opportunity to provide
information about natural heritage resources for the project referenced above.
Based on the project area mapped with your request, a query of the NCNHP database indicates that
there are no records for rare species, important natural communities, natural areas, and/or
conservation/managed areas within the proposed project boundary. Please note that although there
may be no documentation of natural heritage elements within the project boundary, it does not
imply or confirm their absence; the area may not have been surveyed. The results of this query
should not be substituted for field surveys where suitable habitat exists. In the event that rare
species are found within the project area, please contact the NCNHP so that we may update our
records.
The attached `Potential Occurrences' table summarizes rare species and natural communities that
have been documented within a one -mile radius of the property boundary. The proximity of these
records suggests that these natural heritage elements may potentially be present in the project area
if suitable habitat exists. Tables of natural areas and conservation/managed areas within a one -mile
radius of the project area, if any, are also included in this report.
If a Federally -listed species is found within the project area or is indicated within a one -mile radius of
the project area, the NCNHP recommends contacting the US Fish and Wildlife Service (USFWS) for
guidance. Contact information for USFWS offices in North Carolina is found here:
https://www.fws.ciov/offices/Directory/ListOffices.cfm?statecode=37.
Please note that natural heritage element data are maintained for the purposes of conservation
planning, project review, and scientific research, and are not intended for use as the primary criteria
for regulatory decisions. Information provided by the NCNHP database may not be published
without prior written notification to the NCNHP, and the NCNHP must be credited as an information
source in these publications. Maps of NCNHP data may not be redistributed without permission.
The NC Natural Heritage Program may follow this letter with additional correspondence if a
Dedicated Nature Preserve, Registered Heritage Area, Land and Water Fund easement, or Federally -
listed species are documented near the project area.
If you have questions regarding the information provided in this letter or need additional assistance,
please contact Rodney A. Butler at rodnev.butler(a)ncdcr.gov or 919-707-8603.
Sincerely,
INC Natural Heritage Program
DEPARTMENT OF NATURAL AND CULTURAL RESOURCES
QQ 121 W JONES STREET. RALEIGH. NC 27603 • 1651 MAIL SERVICE CENTER, RALEIGH. NC 27699
OFC 919.707.9120 • FAX [phone]

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DocuSign Envelope ID: E51ED747-AO69-4262-BOCD-A46BE9924906
AttachmentF3
State Nature and Historic Preserves
Permit to Construct Application
Westside LCID Landfill
Wilson County, North Carolina

DocuSign Envelope ID: E8743E8B-4824-4FD8-9819-7DF3E8D47259
SMITH GARDNER
ADDRESS
119
14 N. Boylan Avenue, Raleigh NC 27603 919.828.0577
WEB
www.smithgardnerinc.com
May 25, 2023
Renee Gledhill -Earley
State Historic Preservation Office
4617 Mail Service Center
Raleigh NC, 27699-4617
RE: Environmental Review Request
Wilson County — Westside LCID Landfill
Wilson, North Carolina
Dear Ms. Gledhill -Earley:
On behalf of Wilson County (County), Smith Gardner, Inc. (S+G) is pleased to submit this
request for confirmation that the proposed landfill area for the Westside Land Clearing and
Inert Debris (LCID) landfill meets the following siting criterion for LCID landfills:
"Cultural Resources Restrictions: A site and site operations shall not damage or
destroy a property of archaeological or historical significance that has been listed on
the National Register of Historic Places or included on the Study List for the Register
pursuant to 07 NCAC 04R .0206 and .0300." 115A NCAC 13B.0564(2)).
We are providing the following project information to aid in your review. Upon completion of
your review, please provide a written response of the project's status in regards to the siting
criterion mentioned above.
Project Name:
Westside LCID Landfill
Project Location:
2400 NC Hwy 42 East
Wilson, North Carolina 27893
Wilson County
Project Contact Information:
W. Michael Brinchek, P.E.
Smith Gardner, Inc.
14 N. Boylan Ave
Raleigh, NC 27603
mike(asmithgardnerinc.com
Project Description:
The County is looking to develop a LCID landfill facility at their property on Hwy 42 in Wilson,
NC. This project proposes converting approximately 20 acres of open area on their existing
Landfill property into an approximately 3-acre LCID landfill facility, with supporting soil

DocuSign Envelope ID: E8743E8B-4824-4FD8-9819-7DF3E8D47259
Renee Gledhill -Earley
May 25, 2023
Page 2of2
borrow pit, stormwater, and access infrastructure. Figures 1 and 2 (attached) show the
Location of the proposed landfill boundary on a USGS Quadrangle Map and aerial image map
respectively.
LCID landfill activities in this expansion area would include the following:
• Removing existing vegetation;
• Excavating to landfill subgrade (maximum of 10' in some spots);
• Establishing erosion and sedimentation control measures (i.e. drainage channels &
sediment basin);
• Establishing perimeter access (i.e. roads & ramps); and
• Filling excavated areas with LCID waste.
A new Solid Waste permit from the NC Division of Waste Management is also required. There
are currently no structures located in the expansion area. Previous archaeological studies
have been completed on different portions of the property (see attached).
According to the HPOWeb database, there are no historic resources present within the
proposed landfill facility boundary. Additionally, extensive investigations have been
completed on -site that have identified only two (2) areas to the east of the proposed LCID
Landfill area, see attached letter. These identified areas have been preserved.
The Borrow Pit / Waste Area Information Form is also attached for review.
We appreciate your review and look forward to your response. If you have any questions, or
require further information, please contact us at [phone] or by email below.
Sincerely,
SMITH GARDNER, INC.
EsDocuSigned by:
FUAtV K (W. IMN,
8B13721KE5F488...
Spencer W. Hollomon, P.E.
Project Engineer, Ext. 134
spencer(dsmithgardnerinc.com
Attachment
CC: Andy Davis, Wilson County
File
DocuSigned by:
emu,
358C21E64007440...
W. Michael Brinchek, P.E.
Project Manager, Ext. 128
mike(asmithgardnerinc.com
H:\Projects\Wilson County (NCAWILSON 22-4 (LCID1\01 Permit Application\Attachment G (Siting Restrictions)\Archaeological
Study\Westside LCID SHPO Letter.docx

DocuSign Envelope ID: E8743E8B-4824-4FD8-9819-7DF3E8D47259
r l�
PROPOSED
LCID r
■
r■ PROPERTY
PROPOSED 1 BOUNDARY
BORROW AREA
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1,000 2,000 3,000 4,000
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WILSON COUNTY
PROPOSED LCID LANDFILLS BORROW AREA
SITE LOCATION MAP
APPROVED: SCALE:
JDM SWH 1:24,000
REFERENCE
1. USGS 7.5-MIN QUAD MAP TITLED "SARATOGA. NC-
DATED 2022.
SMITH GARDNER
PROJECT NO.: IFIGURE NO.:
Mar. 2023 1 WILSON 22-4

DocuSign Envelope ID: E8743E8B-4824-4FD8-9819-7DF3E8D47259
F
st —
PROPERTY
BOUNDARY
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REFERENCE
1. IMAGERY FROM NC ONEMAP, DATED 2021.
WILSDHCOl1HTr SMITH GARDNER
PROPOSED LCID LANDFILL R BORROW AREA
SITE AERIAL MAP
DRAWN: APPROVED- SCALE- DATE: PR0JECTN0.: FIGURENG-
JDMSWH 1:24,000 Mar. 2023 WILSON 22-4 2
�I

DocuSign Envelope ID: E8743E8B-4824-4FD8-9819-7DF3E8D47259
North Carolina Department of Natural and Cultural Resources
State Historic Preservation Office
Ramona M. Hums, Mminiairator
C inrcmor R(k) f;owcr
4eretat) Susi I I I lArnIII'm
September 11, 2017
David B. Morton david(a'7.bartlettenE.com
Bartlett Engineering & Surveying
1906 Nash Street South
Wilson, NC 27893
Re: Wilson County Solid Waste Services New Activity Areas, ER 17-1519
Dear Mr. Morton:
Officc of Archives and I Iisuxp
llcput) Secrrury Kevin Chem
Thank you for your submission of August 9, 2017, concerning the above referenced project. We have
reviewed the information provided and offer the following comments.
There are not historic buildings that will be affected by this project.
Three of the five proposed activity areas do not contain previously recorded cultural resources, and
construction in these locations is unlikely to affect any significant historic properties. These three areas
include the proposed hurricane debris area, the proposed yard waste compost and mulch processing
expansion area, and the proposed LCID landfill area. No work with regard to historic sites is
recommended for these areas,
Two previously recorded archaeological sites, 31 WL2 and 3I WL178, are located in the proposed
Westside 11 C&D landfill area and the proposed C&D recycle area, respectively. These sites have not
been assessed to determine whether they are eligible for listing in the National Register of Historic Places.
While farming operations have taken place in the project area, analysis of aerial imagery from 1957 to
present suggests that intact portions of these archaeological sites may be present in the parcel, particularly
along the margin of Buck Branch. �r
We recommend that prior to the initiation of any ground disturbing activities within the Westside If C&D
landfill area and the proposed C&D recycle area, a comprehensive archaeological survey of these two
areas be conducted by an experienced archaeologist. The purpose of this survey will be to identify and
evaluate the significance of archaeological remains that may be damaged or destroyed by the proposed
project. Potential effects on unknown resources must be assessed prior to the initiation of construction
activities. Please note that our office now requests consultation with the Office of State Archaeology
Review Archaeologist to discuss appropriate field methodologies prior to the archaeological field
investigation.
Lotsriom 109 Iasi janrs Swvi, Raleigh N(:276U1 MaWajAddress: 4617 tiaJ San im (enter, )Cak- ;h NC 27499,4617 Tekphoae/Fax' (919) dp7.657U/RU7 6599

DocuSign Envelope ID: E8743E8B-4824-4FD8-9819-7DF3E8D47259
One paper copy and a digital copy of all resulting archaeological reports, as well as one paper copy and a
digital copy of the North Carolina site form for each site recorded, should be forwarded to the Office of
State Archaeology through this office for review and comment as soon as they are available and in
advance of any construction or ground disturbance activities. A list of archaeological consultants who
have conducted or expressed an interest in contract work in North Carolina is available at
www.archaeolop-y.nedcr.gov/ncarchLresource/consultants.htm. The archaeologists listed, or any other
experienced archaeologist, may be contacted to conduct the recommended survey.
The above comments are made pursuant to Section 106 of the National Historic Preservation Act and the
Advisory Council on Historic Preservation's Regulations for Compliance with Section 106 codified at 36
CFR Part 800.
Thank you for your cooperation and consideration. if you have questions concerning the above comments,
please contact Renee Gledhill -Earley, environmental review coordinator, at 919-807-6579 or
environmental. [e-mail]. In all future communication concerning this project, please cite the
above -referenced tracking number.
Sincerely yours,
Ramona Bartos

DocuSign Envelope ID: E8743E8B-4824-4FD8-9819-7DF3E8D47259
BORROW PIT/WASTE AREA INFORMATION FORM
FOR STATE HISTORIC PRESERVATION OFFICE REVIEW
Date Submitted County Wilson PitName Westside LCID Landfill
Highway Project No. and Description LCID landfill along Hwy 42 in Wilson
Submitted by Spencer Hollomon/ Smith Gardner, Inc.
Preparer Name/Company
SITE TYPE:
SITE INFO:
1 KIM,% 0 0101
14 N. Boylan Ave, Raleigh, NC 27603
Company Address
919-828-0577 / [e-mail]
Phone/Email
FOR HPO USE ONLY
ER
A -DUE
S-DUE
Borrow Pit ® Waste Area ® Both e I
Acreage Approximately 20 Borrow Depth Approximately 10
Street Address/PIN 2400 NC Hwy 42 East, Wilson, NC 27893
GPS Coordinates (decimal degrees) 35.73234,-77.86536
ARCHITECTURAL RESOURCES:
1. Are there any buildings or structures on the project site? (Include abandoned barns, farmhouses, tobacco sheds, bridges, etc.)
Yes, all buildings are less than 50 years old.
2. If yes, photographs of structures which appear to be 50 years or older, are required. Photos must show each elevation of the
structure and surrounding landscape.
ARCHAEOLOGICAL RESOURCES:
1. Present and previous land uses of the proposed borrow pit/waste area. Material Processing of Yard Waste
2. What kind of site preparation, if any, has taken place on the project site? Tree clearing/stripping vegetation
3. Have any artifacts (arrowheads, pottery, etc.) been found on the site? NO
4. Are any marked or unmarked cemeteries located within the proposed pit area? NO
S. Has the area been surveyed by an archaeologist? If yes, give the name of the archaeologist and the date of the survey.
No
To ensure timely review, submittal must include a map (aerial, topographic, labelled street, etc.) and/or KML
files clearly showing the proposed borrow pit/waste area location and boundaries (entire extent of
disturbance). Submit the completed form and map to: Renee Gledhill -Earley, Environmental Review
Coordinator, State Historic Preservation Office, at Environmental.Review(ancdcr.gov, or by LISPS, 4617 Mail
Service Center, Raleigh, NC 27699-4617 (phone [phone]). **Allow at least 30 days for our review and comment**
FOR HPO USE ONLY
We have no comment on the project as proposed.
Additional information is needed to complete our review.
An archaeological survey is recommended.
Date:
Renee Gledhill -Earley, ER Coordinator
November 2019
ER-KBH

DocuSign Envelope ID: E51ED747-AO69-4262-BOCD-A46BE9924906
Attachment
Erosion Control Plan
Permit to Construct Application
Westside LCID Landfill
Wilson County, North Carolina

DocuSign Envelope ID: 24CC4O3E-EEOD-4C9F-B3DD-AB1848F544F6
Erosion and Sediment Control Plan
Westside LCIB Landfill
Wilson, North Carolina
Prepared for:
Wilson County Solid Waste Services Department
Wilson, North Carolina
4F
May 2023
Prepared by
SMITH GARDNER
14 N. Boylan Avenue, Raleigh NC 27603 1 919.828.0577
© 2023 Smith Gardner, Inc.
This document is intended for the sole use of the client for which it was prepared and
for the purpose agreed upon by the client and Smith Gardner, Inc.

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Erosion and Sediment Control Plan
Westside LCID Landfill
Wilson, North Carolina
Prepared For:
Wilson County Solid Waste Services Department
Wilson, North Carolina
S+G Project No. Wilson-22-4
DocuSigned by:
Spencer W. Hollomon, P.E.
Project Engineer
{Y
CARO
DocuSigned by: ;w�1 —$slk
�/�•,!#+*
€�a.eezaa e.
SEAL
W. Michael Brinchek, P.E. 028426
Senior Project Manager
May 2023
SMITH GARDNER
14 N. Boylan Avenue, Raleigh NC 27603 1 919.828.0577

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Westside LCID Landfill
Wilson, North Carolina
Erosion and Sediment Control Plan
Table of Contents
Paqe
1.0
NARRATIVE................................................................................................................1
1.1 Project Description................................................................................................. 1
1.2 Site Location........................................................................................................... 1
1.3 Contact Information................................................................................................ 1
1.3.1 Engineer......................................................................................................1
1.3.2 Owner..........................................................................................................2
1.4 Existing Site Conditions.......................................................................................... 2
1.5 Adjacent Areas........................................................................................................ 2
1.6 Site Soils Information.............................................................................................. 2
2.0
DESIGN GUIDELINES AND PROCEDURES.................................................................. 2
3.0
RUNOFF CALCULATIONS........................................................................................... 3
3.1 Pre -Developed Conditions...................................................................................... 3
3.2 Post -Developed Conditions..................................................................................... 3
4.0
EROSION AND SEDIMENTATION CONTROL MEASURES ............................................ 3
4.1 Sediment Basin....................................................................................................... 3
4.2 Drainage Channels.................................................................................................. 4
4.3 Culverts...................................................................................................................4
4.4 Drop Inlets............................................................................................................... 5
4.5 Silt Fence................................................................................................................ 5
4.6 Vegetative Stabilization........................................................................................... 5
5.0
SCHEDULE FOR IMPLEMENTATION........................................................................... 5
6.0
INSPECTION AND MAINTENANCE............................................................................. 6
FIGURES
Figure 1 USGS Map (Wilson Quadrangle)
APPENDICES
Appendix A Erosion and Sediment Control Calculations
Appendix B Erosion and Sediment Control Technical Specifications
Wilson County Westside LCID Landfill Erosion and Sedimentation Control Plan
May 2023 Table of Contents Page i

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
1.0 NARRATIVE
1.1 Project Description
Wilson County plans to construct a land clearing and inert debris (LCID) landfill and
expand the existing borrow area at their landfill facility located off of Highway 42 East in
Wilson, North Carolina. The construction and operation of the landfill and borrow area
will require the disturbance of approximately 20 acres. This plan discusses the erosion
and sediment control measures used on this project.
1.2 Site Location
The attached USGS map (Wilson Quadrangle) shows the approximate location of the site
and the location of stormwater outfalls for this project. Additional information is as
follows:
1.3
Address:
2400 NC 42 East
Wilson, NC 27893
Coordinates
(Site Entrance):
Latitude: 35.732 degrees
Longitude:-77.865 degrees
River Basin:
Neuse
Receiving Stream(s)
Toisnot Swamp (Other)
(Stream Classification):
Contact Information
1.3.1 En ineer
For questions regarding this erosion and sedimentation control plan, please
contact the following:
Smith Gardner, Inc.
Attn.: W. Michael Brinchek, P.E.
14 N. Boylan Ave.
Raleigh, NC 27603
Phone: [phone]
Fax: [phone]
Email: mike(dsmithgardnerinc.com.
Wilson County Westside LCID Landfill Erosion and Sedimentation Control Plan
May 2023 Pagel

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
1.3.2 Owner
The owner of the site and the person to contact should sediment control issues
arise during the land -disturbing activity is as follows:
Wilson County Solid Waste Services
Attn.: Andy Davis, Director
2400 NC Hwy 42 East
Wilson, NC 27893
Phone: [phone]
Fax: [phone].
1.4 Existing Site Conditions
The proposed site occupies an open field on the existing solid waste property, adjacent
to the yard waste processing area. Existing ground surface elevations vary from El. 120
(feet) at the northern end of the project area and El. 98 at the southern edge of the
project area.
1.5 Adjacent Areas
The proposed site lies within County -owned property on all sides. Toisnot swamp, lies
just to the south of the proposed site. The site will be accessed from Highway 42 East at
the north end of the site.
1.6 Site Soils Information
The native surficial soils at the site primarily fall under the categories of Norfolk loamy
sand (NoB) and Gritney sandy loam (GtB2) according to the USDA Natural Resources
Conservation Service soil survey (see Appendix A soil survey map (USDA NRCS Soils
Map)). The Norfolk soils can be classified as being in hydrologic soil group (HSG) "A"
and the Gritney soils can be classified as HSG "D". The majority of borrow soils to be
used in site construction can be classified as being in HSG "A" or "B". For purposes of
runoff calculations soils were conservatively classified as HSG "B".
2.0 DESIGN GUIDELINES AND PROCEDURES
The erosion and sediment control design for the landfill was conducted based on guidelines and
procedures as set forth in the following references:
A. HydroCAD Software Solutions, LLC (2006), HydroCAD Stormwater Modeling System
Owner's Manual - Version 8, Chocorua, NH.
B. Malcom, H. Rooney (1989 & 2003 Supplement), Elements of Urban Stormwater Design,
NC State Univ., Raleigh, NC.
Wilson County Westside LCID Landfill Erosion and Sedimentation Control Plan
May 2023 Page 2

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
C. North Carolina Division of Land Resources (2013 Update), North Carolina Erosion &
Sediment Control Planning & Design Manual, Raleigh, NC.
3.0 RUNOFF CALCULATIONS
All stormwater flow volumes were calculated using the HydroCAD computer program (utilizing
USDA-NRCS (SCS) methods) based on a 25-year 24-hour design storm event. This storm event,
which is a requirement of current North Carolina solid waste regulations, exceeds the 10-year
24-hour design storm event required by current North Carolina Sediment Control regulations.
Rainfall quantities and/or intensities used in the analyses were derived from an analysis of
design storms for the site. Drainage areas were determined using a planimeter and/or
AutoCAD on topographic sheets of the project area. For each drainage area, runoff curve
numbers (SCS methods) were selected based on ground cover conditions. Times of
concentration were calculated by HydroCAD using SCS methods.
The peak discharge from the 25-year 24-hour storm design storm event was evaluated for both
pre -developed and post developed conditions as described below. The goal of the post -
developed conditions was to limit the peak discharge to no more than pre -developed conditions.
3.1 Pre -Developed Conditions
Pre -developed conditions were modeled in HydroCAD, using a lump sum model of
existing ground cover conditions. The total site discharge for pre -developed conditions
was determined to be approximately 107 cfs.
3.2 Post -Developed Conditions
Post -developed conditions were modeled in HydroCAD. The total site discharge for
post -developed conditions was determined to be approximately 15 cfs and is, thus,
below the peak discharge for pre -developed conditions.
4.0 EROSION AND SEDIMENTATION CONTROL MEASURES
The following erosion and sedimentation control measures are to be constructed as part of the
proposed construction. Appendices A and B to this plan include calculations and technical
specifications for each of these measures, respectively. Plans and details for sedimentation
control measures area included in the Engineering Drawings.
In most cases, the following erosion and sediment control measures were designed using the
final drainage areas which were found to represent a worst case for design. Each calculation
indicates what condition was used in the analysis.
4.1 Sediment Basin
Wilson County Westside LCID Landfill Erosion and Sedimentation Control Plan
May 2023 Page 3

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
There are two (2) permanent sediment basins which will serve the site. Sediment Basin
6 is to be located on the southern side of the landfill area, and Sediment Basin 7 will be
Located on the southern end of the borrow area. This basin was designed in accordance
with E&SCP&DM Section 6.61.
Sediment basins are subject to several design requirements. Each sediment basin must
have a basin volume of 1,800 ft3/acre of disturbed area and should have a surface area
(measured at crest of principal spillway (riser)) of 0.01 acres/cfs (based on the peak flow
from the 10-year storm). Each basin must include a riser/barrel principal spillway and
must have an emergency spillway (preferably a weir type spillway). The crest of the
emergency spillway is set one foot above the invert of the riser and the spillway must
pass the peak run off from the design storm event with one foot (min.) of freeboard to
the crest of berm. Each riser/barrel assembly must be provided with an anchor
displacing a buoyant weight of at least 1.1 times the weight of water displaced by the
riser. Each riser must also be provided with a method of dewatering the basin. In
addition to E&SCP&DM requirements, each sediment basin was designed to have an
adequate surface area to achieve an 80% settling efficiency of a 40 micron (silt size)
particle at the peak discharge from the design storm. Each sediment basin was
modeled with the HydroCAD computer program and a spreadsheet was used to verify
the design requirements.
4.2 Drainage Channels
Drainage channel calculations were conducted using a reformulation of Manning's
Equation in a spreadsheet format. The calculations determine the normal depth of flow
based on the peak discharge from the design storm (from HydroCAD) and assumed
channel dimensions/slope(s). Both temporary and/or permanent channel linings were
chosen, as appropriate, based on the calculated velocity and/or shear stress. Steeper
rip rap lined channels (if specified) were analyzed as rock chutes in accordance with
NRCS procedures. Temporary channel linings (if specified) were designed based on the
peak discharge from a 2-year 24-hour design storm.
4.3 Culverts
There are several culverts which will be used at the site to convey flow beneath
roadways and embankments. Culverts were designed either using HydroCAD or a
spreadsheet based on an analysis of inlet and outlet control under the influence of the
design storm to determine the maximum headwater elevation. Where required, culvert
outlets were designed for outlet stabilization based on criteria set forth in E&SCP&DM,
Section 6.41. Culverts draining disturbed areas, which are not routed to a sediment
basin, were designed with a stone filter berm placed around the inlet to trap sediment.
Wilson County Westside LCID Landfill Erosion and Sedimentation Control Plan
May 2023 Page 4

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
4.4 Drop Inlets
Weir -type drop inlets will be used in the perimeter drainage channel. These drop inlets
were designed either using HydroCAD or a spreadsheet based on an analysis of the flow
capacity of the open sides (weirs) of the drop inlet compared to the maximum flow from
the design storm. Prior to vegetative stabilization of the perimeter channel, each drop
inlet will be protected from sedimentation by a placing a wire mesh and coarse
aggregate filter around all sides of the drop inlet.
4.5 Silt Fence
Silt fencing design was based on criteria set forth in E&SCP&DM, Section 6.62 including
the limitation of 100 feet of fencing for each 'A acre of drainage area.
4.6 Vegetative Stabilization
Vegetative stabilization will be in accordance with the seeding schedule on the project
drawings and/or in the project specifications.
5.0 SCHEDULE FOR IMPLEMENTATION
Erosion and sedimentation control measures will be established prior to, or as soon as practical
thereafter, any land disturbance or construction activities may begin in that portion of the site
which drains to the erosion control measures. The following general schedule will be followed
for this project:
A. Flag the clearing limits and identify any tree protection areas.
B. Install temporary gravel construction entrance/exit.
C. Clear the vegetated portion of the site and install silt and stone filter fencing prior to
stripping/grubbing.
D. Only strip/grub areas required for installation of structures, berms, and drainage
channels. Other areas will be stripped/grubbed once the sediment basin is completed.
E. Install sediment basin outlet structure; outlet protection and/or channel, berm, and
emergency spillway.
F. Perform earthwork as required for construction.
G. Perform fine grading and establish permanent vegetation on completed areas.
H. After stabilization, remove silt and stone filter fencing and other temporary measures
and install permanent vegetation on the disturbed areas.
Soil stabilization will be achieved on any area of the site where land disturbing activities have
temporarily or permanently ceased according to the following schedule:
A. All perimeter dikes, swales, ditches, perimeter slopes, and all slopes steeper than 3
horizontal to 1 vertical (3H:lV) will be provided temporary or permanent stabilization
Wilson County Westside LCID Landfill Erosion and Sedimentation Control Plan
May 2023 Page 5

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
with ground cover as soon as practicable but in any event within 7 calendar days from
the last land disturbing activity.
B. All other disturbed areas will be provided temporary or permanent stabilization with
ground cover as soon as practicable but in any event within 14 calendar days from the
Last land disturbing activity.
C. Basins, traps, channels, and diversions will be lined with anchored rolled erosion control
products or rip rap and/or vegetated upon construction.
D. Permanent ground cover for all disturbed areas will be established within 15 working
days or 90 calendar days (whichever is shorter) following completion of construction or
development.
6.0 INSPECTION AND MAINTENANCE
All erosion and sedimentation control measures will be inspected at least once every 7 calendar
days and within 24 hours after any storm event of greater than 0.5 inches of rain per 24 hour
period and appropriate maintenance conducted. A rain gauge will be maintained on the site and
a record of the rainfall amounts and dates will be kept.
During inspections, any stormwater discharges from the site will be observed for stormwater
discharge characteristics to evaluate the effectiveness of the erosion and sedimentation control
measures incorporating Best Management Practices (BMPs). If visible sedimentation is leaving
the disturbed limits of the site, corrective action will be taken immediately to control the
discharge of sediments.
Maintenance activities will include, but not be limited to the following:
A. The removal and satisfactory disposal of trapped or deposited sediments from basins,
traps, barriers, filters, and/or drainage features/devices;
B. Replacement of filter fabrics used for silt fences upon loss of efficiency; and
C. Replacement of any other components which are damage or cannot serve the intended
use.
Wilson County Westside LCID Landfill Erosion and Sedimentation Control Plan
May 2023 Page 6

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
1
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0 2000' 4000' REFERENCE: TOPOGRAPHY FROM U.S.G.S. 7.5 MINUTE QUADRANGLE
TITLED "WILSON" AND "SARATOGA", DATED 2019.
PREPARED BY NO LIC. NO. F-1370 [ENGINEERING]
SC COA NO. C01488
SITE LOCATION MAP SMITH GARDNER
14 N. Boylan Avenue, Raleigh NC 27603 1919.828.0577
1526 Richland St., Columbia SC 29201
DRAWN: APPROVED: SCALE: DATE: PROJECT NO.: FIGURE NO.: FILE NAME:
R.V.M. S.W.H. AS SHOWN Jul 2020 WILSON 20-1 1 WILSON-AO016
© 2020 Smith Gardner, Inc.

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Appendix A
Erosion and Sediment Control
Calculations
Erosion and Sediment Control Plan
Westside LCIB Landfill
Wilson, North Carolina

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Erosion and Sediment Control Plan
Appendix A: Erosion and Sediment Control Calculations
Table of Contents
1.0 Drainage and E&S Control Calculations - Overview
2.0 Analysis of Design Storms
3.0 Drainage Area Figure
4.0 USDA Soil Survey Map
5.0 Stormwater Routing (HydroCAD output)*
• 25-Year 24-Hour Storm
• 100-Year 24-Hour Storm
6.0 Drainage Channel Analysis
7.0 Sedimentation Basin Analysis
8.0 Outlet Protection Analysis
*The design of culverts is included in the HydroCAD output.
Wilson County Westside LCID Landfill Erosion and Sedimentation Control Plan
May 2023 Appendix A: Table of Contents Page Al

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
RESS I TEL I WEB
SMITH GAR D N E R 14 N. Boylan Avenue, Raleigh, NC 27603 919.828.0577 www.smithgardnerinc.com
PROJECT Westside LCID Landfill SHEET 1 OF 2 DATE 1/27/2023
COMPUTED BY SWH
SUBJECT Drainage & E&SC Calcs. - Overview JOB # WILSON-22-4 CHECKED BY
OBJECTIVE: To design stormwater conveyance, detention, and erosion and sedimentation control measures to remove
and contain stormwater flow from the design storm. The design of these measures will be based on:
• Design storm information for the site;
• Peak discharge calculations using the Rational Method and/or USDA-NRCS (SCSI Methods; and
Stormwater routing using USDA-NRCS (SCS) or other methods.
REFERENCES: Debo, T.N., and Reese, A.J. (1995), Municipal Storm Water Management, Lewis Publishers, Boca Raton,
FL.
Federal Highway Administration (20011, Urban Drainage Design Manual, Hydraulic Engineering Circular
No. 22, FHWA NHI-01-021, Second Ed., U.S. Dept. of Transportation, Washington, D.C.
Georgia Soil and Water Conservation Commission (2000), Manual for Erosion and Sediment Control in
Georgia, Fifth Edition, Athens, GA.
HydroCAD Software Solutions, LLC (2006), HydroCAD Stormwater Modeling System Owner's Manual -
Version 8, Chocorua, NH.
Malcom, H. Rooney (1989 & 2003 Supplement), Elements of Urban Stormwater Design, NC State Univ.,
Raleigh, NC.
North Carolina Division of Land Resources (2013 Updates), North Carolina Erosion & Sediment Control
Planning & Design Manual, Raleigh, NC.
North Carolina Division of Water Quality (July 2005) Updated Draft Manual of Stormwater Best
Management Practices, (Public Comment Version), Raleigh, NC.
Pennsylvania DEP Bureau of Watershed Protection (2000), Erosion and Sediment Pollution Control
Program Manual.
USDA-NRCS (1992), Computer Program for Project Formulation Hydrology (TR-20).
USDA-NRCS (1986 & 1999 Update), Urban Hydrology for Small Watersheds (TR-55).
Virginia Department of Conservation and Recreation (1992), Virginia Erosion & Sediment Control
Handbook, Third Edition, Richmond, VA.
ANALYSIS: The main design criteria will be to ensure that all stormwater conveyance and detention measures will be
able to accommodate the runoff from the design storm. Drainage channels, culverts, etc. were designed
based on the peak discharge to each measure. Detention measures were designed based on stormwater
routing methods and/or State/local criteria.
CALCULATIONS:
- Peak Discharge Calculations:
USDA-NRCS [SCS) Methods:
Use HydroCAD program to determine the peak discharge to each device or structure. HydroCAD is based
on the SCS unit hydrograph procedure, which is a principal component of NRCS TR-20. Alternatively
spreadsheets can be used to determine flow rates using the procedures detailed in NRCS TR-55.
SMITH GARNER, INC. D&E&SC OVERVIEW SG

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
PROJECT Westside LCID Landfill SHEET 2 OF 2 DATE 1/27/2023
COMPUTED BY SWH
SUBJECT Drainage & E&SC Calcs. - Overview JOB # WILSON-22-4 CHECKED BY 0
Rational Method:
0 = CIA
(Malcom Eq. 1 -1)
where: 0 = peak discharge (cfs)
C = rational runoff coefficient
1 = applicable rainfall intensity (in/hr) of storm event (based on time of concentration)
A = drainage area (acres)
Time of Concentration:
The time of concentration for use in determining the peak discharge in the NRCS and/or Rational methods
can be determined by the methods detailed in NRCS TR-55 or other methods. HydroCAD uses the NRCS
methods.
- Stormwater Routing:
Stormwater routing was accomplished using the HydroCAD program, which is based on USDA-NRCS (SCS) methods.
Unless otherwise specified, the unit hydrograph method was used. The storm type (i.e. Type 124-hr., Type II 24-hr.,
etc.) was selected as appropriate for the project location.
SMITH GARGNER
SMITH GARNER, INC. D&E&SC OVERVIEW SG

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
ADDRESS TEL WEB
SMITH GAR D N E R 14 N. Boylan Avenue, Raleigh, INC 27603 919.828.0577 www.smithgardnerinc.com
PROJECT Westside LCID Landfill SHEET 1 OF 2 DATE 1/27/2023
COMPUTED BY SWH
SUBJECT Analysis of Design Storms JOB # WILSON-22-4 CHECKED BY WMB
OBJECTIVE: To compile the expected design storm depths and intensities over various return periods. These design
storm values will be used in various calculations.
REFERENCES: Rainfall data was obtained from the following references:
Frederick, R.H., V.A. Myers, and E.P. Anciello (1977), "Five to 60-Minute Precipitation Frequency for the
Eastern and Central United States," NOAA Technical Memo. NWS HYDRO-35, National Weather Service,
NOAA, U.S. Dept. Of Commerce, Silver Spring, MD.
U.S. Weather Bureau (1961), "Rainfall Frequency Atlas of the United States for Durations from 30 Minutes
to 24 Hours and Return Periods from 1 to 100 Years," U.S. Weather Bureau Technical Paper 40.
SMITH GARNER, INC. DESIGN STORMS SG

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
PROJECT Westside LCID Landfill
SHEET
2/2
JOB #
WILSON-22-4
SUBJECT Analysis of Design Storms
DATE
1 27 2023
COMPUTED BY
SWH
CHECKED BY
WMB
LOCATION: Wilson, NC
RETURN PERIOD
2-YR P
100-YR P
SOURCE
DURATION
[in)
(in)
5 min
0.48
0.83
NOAA HYDRO-35
15 min
0.97
1.67
NOAA HYDRO-35
60 min
1.69
3.52
NOAA HYDRO-35
2 hr to 24 hr Rainfall Events =
USER INPUT
USWB TP-40
DEPTH -DURATION -FREQUENCY TABLE:
RETURN PERIOD
2-YR
5-YR
10-YR
25-YR
50-YR
100-YR
DURATION
(in)
(in)
(in]
(in)
(inl
(in)
5 min
0.48
0.56
0.61
0.70
0.76
0.83
10 min
0.77
0.89
0.98
1.11
1.22
1.33
15 min
0.97
1.12
1.23
1.40
1.54
1.67
30 min
1.32
1.61
1.81
2.11
2.34
2.58
60 min
1.69
2.12
2.42
2.85
3.19
3.52
2 hr
1.97
2.42
2.90
3.49
4.04
4.60
3 hr
2.09
2.58
3.11
3.79
4.43
5.10
6 hr
2.49
3.08
3.72
4.55
5.33
6.16
12 hr
2.92
3.62
4.39
5.41
6.40
7.43
24 hr
3.51
4.54
5.43
6.79
7.99
9.34
INTENSITY -DURATION -FREQUENCY TABLE:
RETURN PERIOD
2-YR
5-YR
10-YR
25-YR
50-YR
100-YR
DURATION
(in/hr)
(in/hr)
(in/hr)
(in/hr)
(in/hr)
(in/hr)
5 min
5.81
6.69
7.36
8.37
9.17
9.97
10 min
4.63
5.33
5.87
6.68
7.32
7.96
15 min
3.89
4.48
4.93
5.61
6.15
6.68
30 min
2.65
3.22
3.63
4.22
4.69
5.15
60 min
1.69
2.12
2.42
2.85
3.19
3.52
2 hr
0.99
1.21
1.45
1.75
2.02
2.30
3 hr
0.70
0.86
1.04
1.26
1.48
1.70
6 hr
0.42
0.51
0.62
0.76
0.89
1.03
12 hr
0.24
0.30
0.37
0.45
0.53
0.62
24 hr
0.15
0.19
0.23
0.28
0.33
0.39
SMITH GARDNER
SMITH GARDNER, INC. DESIGN STORMS SG

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DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
USDA United States
Department of
Agriculture
NRCS
Natural
Resources
Conservation
Service
A product of the National
Cooperative Soil Survey,
a joint effort of the United
States Department of
Agriculture and other
Federal agencies, State
agencies including the
Agricultural Experiment
Stations, and local
participants
Custom Soil Resource
Report for
Wilson County,
North Carolina
March 10, 2023

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Preface
Soil surveys contain information that affects land use planning in survey areas.
They highlight soil limitations that affect various land uses and provide information
about the properties of the soils in the survey areas. Soil surveys are designed for
many different users, including farmers, ranchers, foresters, agronomists, urban
planners, community officials, engineers, developers, builders, and home buyers.
Also, conservationists, teachers, students, and specialists in recreation, waste
disposal, and pollution control can use the surveys to help them understand,
protect, or enhance the environment.
Various land use regulations of Federal, State, and local governments may impose
special restrictions on land use or land treatment. Soil surveys identify soil
properties that are used in making various land use or land treatment decisions.
The information is intended to help the land users identify and reduce the effects of
soil limitations on various land uses. The landowner or user is responsible for
identifying and complying with existing laws and regulations.
Although soil survey information can be used for general farm, local, and wider area
planning, onsite investigation is needed to supplement this information in some
cases. Examples include soil quality assessments (http://www.nres.usda.gov/wps/
portal/nres/main/soils/health/) and certain conservation and engineering
applications. For more detailed information, contact your local USDA Service Center
(https://offices.sc.egov.usda.gov/locator/app?agency=nres) or your NRCS State Soil
Scientist (http://www.nres.usda.gov/wps/portal/nres/detail/soils/contactus/?
cid=nres142p2_053951).
Great differences in soil properties can occur within short distances. Some soils are
seasonally wet or subject to flooding. Some are too unstable to be used as a
foundation for buildings or roads. Clayey or wet soils are poorly suited to use as
septic tank absorption fields. A high water table makes a soil poorly suited to
basements or underground installations.
The National Cooperative Soil Survey is a joint effort of the United States
Department of Agriculture and other Federal agencies, State agencies including the
Agricultural Experiment Stations, and local agencies. The Natural Resources
Conservation Service (NRCS) has leadership for the Federal part of the National
Cooperative Soil Survey.
Information about soils is updated periodically. Updated information is available
through the NRCS Web Soil Survey, the site for official soil survey information.
The U.S. Department of Agriculture (USDA) prohibits discrimination in all its
programs and activities on the basis of race, color, national origin, age, disability,
and where applicable, sex, marital status, familial status, parental status, religion,
sexual orientation, genetic information, political beliefs, reprisal, or because all or a
part of an individual's income is derived from any public assistance program. (Not
all prohibited bases apply to all programs.) Persons with disabilities who require
2

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
alternative means for communication of program information (Braille, large print,
audiotape, etc.) should contact USDA's TARGET Center at [phone] (voice
and TDD). To file a complaint of discrimination, write to USDA, Director, Office of
Civil Rights, 1400 Independence Avenue, S.W., Washington, D.C. 20250-9410 or
call [phone] (voice) or [phone] (TDD). USDA is an equal opportunity
provider and employer.
3

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Contents
Preface.................................................................................................................... 2
How Soil Surveys Are Made..................................................................................5
SoilMap..................................................................................................................
8
SoilMap................................................................................................................9
Legend................................................................................................................10
MapUnit Legend................................................................................................
11
MapUnit Descriptions.........................................................................................11
Wilson County, North Carolina........................................................................14
AaA—Altavista fine sandy loam, 0 to 3 percent slopes, rarely flooded,
Southern Coastal Plain.........................................................................
14
Bb—Bibb loam, 0 to 2 percent slopes, frequently flooded ..........................
15
GoA—Goldsboro sandy loam, 0 to 2 percent slopes ..................................
16
GtB2—Gritney sandy loam, 2 to 5 percent slopes, moderately eroded......
17
NoA—Norfolk loamy sand, 0 to 2 percent slopes........................................18
NoB—Norfolk loamy sand, 2 to 6 percent slopes........................................19
Ra—Rains sandy loam, 0 to 2 percent slopes ............................................
20
StA—State loamy sand, 0 to 3 percent slopes, rarely flooded ....................
22
Tt—Tomotley fine sandy loam, 0 to 2 percent slopes, rarely flooded .......... 23
WaB—Wagram loamy sand, 0 to 6 percent slopes.....................................24
References............................................................................................................
26
4

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
How Soil Surveys Are Made
Soil surveys are made to provide information about the soils and miscellaneous
areas in a specific area. They include a description of the soils and miscellaneous
areas and their location on the landscape and tables that show soil properties and
limitations affecting various uses. Soil scientists observed the steepness, length,
and shape of the slopes; the general pattern of drainage; the kinds of crops and
native plants; and the kinds of bedrock. They observed and described many soil
profiles. A soil profile is the sequence of natural layers, or horizons, in a soil. The
profile extends from the surface down into the unconsolidated material in which the
soil formed or from the surface down to bedrock. The unconsolidated material is
devoid of roots and other living organisms and has not been changed by other
biological activity.
Currently, soils are mapped according to the boundaries of major land resource
areas (MLRAs). MLRAs are geographically associated land resource units that
share common characteristics related to physiography, geology, climate, water
resources, soils, biological resources, and land uses (USDA, 2006). Soil survey
areas typically consist of parts of one or more MLRA.
The soils and miscellaneous areas in a survey area occur in an orderly pattern that
is related to the geology, landforms, relief, climate, and natural vegetation of the
area. Each kind of soil and miscellaneous area is associated with a particular kind
of landform or with a segment of the landform. By observing the soils and
miscellaneous areas in the survey area and relating their position to specific
segments of the landform, a soil scientist develops a concept, or model, of how they
were formed. Thus, during mapping, this model enables the soil scientist to predict
with a considerable degree of accuracy the kind of soil or miscellaneous area at a
specific location on the landscape.
Commonly, individual soils on the landscape merge into one another as their
characteristics gradually change. To construct an accurate soil map, however, soil
scientists must determine the boundaries between the soils. They can observe only
a limited number of soil profiles. Nevertheless, these observations, supplemented
by an understanding of the soil -vegetation -landscape relationship, are sufficient to
verify predictions of the kinds of soil in an area and to determine the boundaries.
Soil scientists recorded the characteristics of the soil profiles that they studied. They
noted soil color, texture, size and shape of soil aggregates, kind and amount of rock
fragments, distribution of plant roots, reaction, and other features that enable them
to identify soils. After describing the soils in the survey area and determining their
properties, the soil scientists assigned the soils to taxonomic classes (units).
Taxonomic classes are concepts. Each taxonomic class has a set of soil
characteristics with precisely defined limits. The classes are used as a basis for
comparison to classify soils systematically. Soil taxonomy, the system of taxonomic
classification used in the United States, is based mainly on the kind and character
of soil properties and the arrangement of horizons within the profile. After the soil
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scientists classified and named the soils in the survey area, they compared the
individual soils with similar soils in the same taxonomic class in other areas so that
they could confirm data and assemble additional data based on experience and
research.
The objective of soil mapping is not to delineate pure map unit components; the
objective is to separate the landscape into landforms or landform segments that
have similar use and management requirements. Each map unit is defined by a
unique combination of soil components and/or miscellaneous areas in predictable
proportions. Some components may be highly contrasting to the other components
of the map unit. The presence of minor components in a map unit in no way
diminishes the usefulness or accuracy of the data. The delineation of such
landforms and landform segments on the map provides sufficient information for the
development of resource plans. If intensive use of small areas is planned, onsite
investigation is needed to define and locate the soils and miscellaneous areas.
Soil scientists make many field observations in the process of producing a soil map.
The frequency of observation is dependent upon several factors, including scale of
mapping, intensity of mapping, design of map units, complexity of the landscape,
and experience of the soil scientist. Observations are made to test and refine the
soil -landscape model and predictions and to verify the classification of the soils at
specific locations. Once the soil -landscape model is refined, a significantly smaller
number of measurements of individual soil properties are made and recorded.
These measurements may include field measurements, such as those for color,
depth to bedrock, and texture, and laboratory measurements, such as those for
content of sand, silt, clay, salt, and other components. Properties of each soil
typically vary from one point to another across the landscape.
Observations for map unit components are aggregated to develop ranges of
characteristics for the components. The aggregated values are presented. Direct
measurements do not exist for every property presented for every map unit
component. Values for some properties are estimated from combinations of other
properties.
While a soil survey is in progress, samples of some of the soils in the area generally
are collected for laboratory analyses and for engineering tests. Soil scientists
interpret the data from these analyses and tests as well as the field -observed
characteristics and the soil properties to determine the expected behavior of the
soils under different uses. Interpretations for all of the soils are field tested through
observation of the soils in different uses and under different levels of management.
Some interpretations are modified to fit local conditions, and some new
interpretations are developed to meet local needs. Data are assembled from other
sources, such as research information, production records, and field experience of
specialists. For example, data on crop yields under defined levels of management
are assembled from farm records and from field or plot experiments on the same
kinds of soil.
Predictions about soil behavior are based not only on soil properties but also on
such variables as climate and biological activity. Soil conditions are predictable over
long periods of time, but they are not predictable from year to year. For example,
soil scientists can predict with a fairly high degree of accuracy that a given soil will
have a high water table within certain depths in most years, but they cannot predict
that a high water table will always be at a specific level in the soil on a specific date.
After soil scientists located and identified the significant natural bodies of soil in the
survey area, they drew the boundaries of these bodies on aerial photographs and
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identified each as a specific map unit. Aerial photographs show trees, buildings,
fields, roads, and rivers, all of which help in locating boundaries accurately.
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Soil Map
The soil map section includes the soil map for the defined area of interest, a list of
soil map units on the map and extent of each map unit, and cartographic symbols
displayed on the map. Also presented are various metadata about data used to
produce the map, and a description of each soil map unit.
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MAP LEGEND
Area of Interest (AOI)
0
Area of Interest (AOI)
Soils
0
Soil Map Unit Polygons
im 0
Soil Map Unit Lines
■
Soil Map Unit Points
Special
Point Features
Blowout
Borrow Pit
Clay Spot
Closed Depression
Gravel Pit
.4
Gravelly Spot
0
Landfill
Lava Flow
Marsh or swamp
+
Mine or Quarry
Miscellaneous Water
Perennial Water
Rock Outcrop
Saline Spot
Sandy Spot
Severely Eroded Spot
Sinkhole
Slide or Slip
Sodic Spot
Custom Soil Resource Report
MAP INFORMATION
A
Spoil Area
The soil surveys that comprise your AOI were mapped at
1:24,000.
Stony Spot
Very Stony Spot
Warning: Soil Map may not be valid at this scale.
Wet Spot
Enlargement of maps beyond the scale of mapping can cause
Other
misunderstanding of the detail of mapping and accuracy of soil
.-
Special Line Features
line placement. The maps do not show the small areas of
contrasting soils that could have been shown at a more detailed
Water Features
scale.
-
Streams and Canals
Transportation
Please rely on the bar scale on each map sheet for map
�}}
Rails
measurements.
Interstate Highways
Source of Map: Natural Resources Conservation Service
US Routes
Web Soil Survey URL:
Coordinate System: Web Mercator (EPSG:3857)
Major Roads
Local Roads
Maps from the Web Soil Survey are based on the Web Mercator
projection, which preserves direction and shape but distorts
Background
distance and area. A projection that preserves area, such as the
Aerial Photography
Albers equal-area conic projection, should be used if more
accurate calculations of distance or area are required.
This product is generated from the USDA-NRCS certified data as
of the version date(s) listed below.
Soil Survey Area: Wilson County, North Carolina
Survey Area Data: Version 21, Sep 12, 2022
Soil map units are labeled (as space allows) for map scales
1:50,000 or larger.
Date(s) aerial images were photographed: May 9, 2022—Jun 5,
2022
The orthophoto or other base map on which the soil lines were
compiled and digitized probably differs from the background
imagery displayed on these maps. As a result, some minor
shifting of map unit boundaries may be evident.
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Map Unit Legend
Map Unit Symbol
Map Unit Name
Acres in AOI
Percent of AOI
AaA
Altavista fine sandy loam, 0 to 3
14.9
11.1 %
percent slopes, rarely
flooded, Southern Coastal
Plain
Bb
11.8
Bibb loam, 0 to 2 percent
8.8%
slopes, frequently flooded
GoA
Goldsboro sandy loam, 0 to 2
16.5
12.3%
percent slopes
GtB2
Gritney sandy loam, 2 to 5
25.8
19.2%
percent slopes, moderately
eroded
NoA
Norfolk loamy sand, 0 to 2
14.4
10.8%
percent slopes
NoB
Norfolk loamy sand, 2 to 6
28.8
21.5%
percent slopes
Ra
Rains sandy loam, 0 to 2
10.9
8.2%
percent slopes
StA
State loamy sand, 0 to 3
1.4
1.0%
percent slopes, rarely flooded
Tt
Tomotley fine sandy loam, 0 to
5.0
3.7%
2 percent slopes, rarely
flooded
WaB
Wagram loamy sand, 0 to 6
4.6
3.4%
percent slopes
Totals for Area of Interest
134.0
100.0%
Map Unit Descriptions
The map units delineated on the detailed soil maps in a soil survey represent the
soils or miscellaneous areas in the survey area. The map unit descriptions, along
with the maps, can be used to determine the composition and properties of a unit.
A map unit delineation on a soil map represents an area dominated by one or more
major kinds of soil or miscellaneous areas. A map unit is identified and named
according to the taxonomic classification of the dominant soils. Within a taxonomic
class there are precisely defined limits for the properties of the soils. On the
landscape, however, the soils are natural phenomena, and they have the
characteristic variability of all natural phenomena. Thus, the range of some
observed properties may extend beyond the limits defined for a taxonomic class.
Areas of soils of a single taxonomic class rarely, if ever, can be mapped without
including areas of other taxonomic classes. Consequently, every map unit is made
up of the soils or miscellaneous areas for which it is named and some minor
components that belong to taxonomic classes other than those of the major soils.
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Most minor soils have properties similar to those of the dominant soil or soils in the
map unit, and thus they do not affect use and management. These are called
noncontrasting, or similar, components. They may or may not be mentioned in a
particular map unit description. Other minor components, however, have properties
and behavioral characteristics divergent enough to affect use or to require different
management. These are called contrasting, or dissimilar, components. They
generally are in small areas and could not be mapped separately because of the
scale used. Some small areas of strongly contrasting soils or miscellaneous areas
are identified by a special symbol on the maps. If included in the database for a
given area, the contrasting minor components are identified in the map unit
descriptions along with some characteristics of each. A few areas of minor
components may not have been observed, and consequently they are not
mentioned in the descriptions, especially where the pattern was so complex that it
was impractical to make enough observations to identify all the soils and
miscellaneous areas on the landscape.
The presence of minor components in a map unit in no way diminishes the
usefulness or accuracy of the data. The objective of mapping is not to delineate
pure taxonomic classes but rather to separate the landscape into landforms or
Iandform segments that have similar use and management requirements. The
delineation of such segments on the map provides sufficient information for the
development of resource plans. If intensive use of small areas is planned, however,
onsite investigation is needed to define and locate the soils and miscellaneous
areas.
An identifying symbol precedes the map unit name in the map unit descriptions.
Each description includes general facts about the unit and gives important soil
properties and qualities.
Soils that have profiles that are almost alike make up a soil series. Except for
differences in texture of the surface layer, all the soils of a series have major
horizons that are similar in composition, thickness, and arrangement.
Soils of one series can differ in texture of the surface layer, slope, stoniness,
salinity, degree of erosion, and other characteristics that affect their use. On the
basis of such differences, a soil series is divided into soil phases. Most of the areas
shown on the detailed soil maps are phases of soil series. The name of a soil phase
commonly indicates a feature that affects use or management. For example, Alpha
silt loam, 0 to 2 percent slopes, is a phase of the Alpha series.
Some map units are made up of two or more major soils or miscellaneous areas.
These map units are complexes, associations, or undifferentiated groups.
A complex consists of two or more soils or miscellaneous areas in such an intricate
pattern or in such small areas that they cannot be shown separately on the maps.
The pattern and proportion of the soils or miscellaneous areas are somewhat similar
in all areas. Alpha -Beta complex, 0 to 6 percent slopes, is an example.
An association is made up of two or more geographically associated soils or
miscellaneous areas that are shown as one unit on the maps. Because of present
or anticipated uses of the map units in the survey area, it was not considered
practical or necessary to map the soils or miscellaneous areas separately. The
pattern and relative proportion of the soils or miscellaneous areas are somewhat
similar. Alpha -Beta association, 0 to 2 percent slopes, is an example.
An undifferentiated group is made up of two or more soils or miscellaneous areas
that could be mapped individually but are mapped as one unit because similar
interpretations can be made for use and management. The pattern and proportion
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of the soils or miscellaneous areas in a mapped area are not uniform. An area can
be made up of only one of the major soils or miscellaneous areas, or it can be made
up of all of them. Alpha and Beta soils, 0 to 2 percent slopes, is an example.
Some surveys include miscellaneous areas. Such areas have little or no soil
material and support little or no vegetation. Rock outcrop is an example.
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Wilson County, North Carolina
AaA—Altavista fine sandy loam, 0 to 3 percent slopes, rarely flooded,
Southern Coastal Plain
Map Unit Setting
National map unit symbol: 2vx8w
Elevation: 0 to 480 feet
Mean annual precipitation: 39 to 54 inches
Mean annual air temperature: 51 to 74 degrees F
Frost -free period: 175 to 210 days
Farmland classification: All areas are prime farmland
Map Unit Composition
Altavista, rarely flooded, and similar soils: 80 percent
Estimates are based on observations, descriptions, and transects of the mapunit.
Description of Altavista, Rarely Flooded
Setting
Landform: Stream terraces, ridges
Landform position (three-dimensional): Riser, tread
Down -slope shape: Convex, linear
Across -slope shape: Linear
Parent material: Loamy alluvium derived from igneous and metamorphic rock
Typical profile
Ap - 0 to 7 inches: fine sandy loam
E - 7 to 11 inches: fine sandy loam
Bt - 11 to 37 inches: sandy clay loam
BC - 37 to 54 inches: sandy loam
C - 54 to 80 inches: sandy loam
Properties and qualities
Slope: 0 to 3 percent
Depth to restrictive feature: More than 80 inches
Drainage class: Moderately well drained
Capacity of the most limiting layer to transmit water (Ksat): Moderately low to
moderately high (0.14 to 1.42 in/hr)
Depth to water table: About 18 to 30 inches
Frequency of flooding: Rare
Frequency of ponding: None
Maximum salinity: Nonsaline to very slightly saline (0.0 to 2.0 mmhos/cm)
Available water supply, 0 to 60 inches: Moderate (about 8.4 inches)
Interpretive groups
Land capability classification (irrigated): None specified
Land capability classification (nonirrigated): 2w
Hydrologic Soil Group: C
Hydric soil rating: No
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Bb—Bibb loam, 0 to 2 percent slopes, frequently flooded
Map Unit Setting
National map unit symbol: 3x4m
Elevation: 80 to 330 feet
Mean annual precipitation: 38 to 55 inches
Mean annual air temperature: 59 to 70 degrees F
Frost -free period: 210 to 265 days
Farmland classification: Not prime farmland
Map Unit Composition
Bibb, undrained, and similar soils: 80 percent
Johnston, undrained, and similar soils: 10 percent
Estimates are based on observations, descriptions, and transects of the mapunit.
Description of Bibb, Undrained
Setting
Landform: Flood plains
Landform position (two-dimensional): Toeslope
Down -slope shape: Concave
Across -slope shape: Linear
Parent material: Sandy and loamy alluvium
Typical profile
A - 0 to 6 inches: sandy loam
Cgl - 6 to 60 inches: sandy loam
Cg2 - 60 to 80 inches: loamy sand
Properties and qualities
Slope: 0 to 2 percent
Depth to restrictive feature: More than 80 inches
Drainage class: Poorly drained
Runoff class: Low
Capacity of the most limiting layer to transmit water (Ksat): High (1.98 to 5.95
in/hr)
Depth to water table: About 0 to 12 inches
Frequency of flooding: FrequentNone
Frequency of ponding: None
Available water supply, 0 to 60 inches: Moderate (about 7.2 inches)
Interpretive groups
Land capability classification (irrigated): None specified
Land capability classification (nonirrigated): 5w
Hydrologic Soil Group: A/D
Hydric soil rating: Yes
Description of Johnston, Undrained
Setting
Landform: Flood plains
Down -slope shape: Concave
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Across -slope shape: Linear
Parent material: Sandy and loamy alluvium
Typical profile
A - 0 to 30 inches: mucky loam
Cgl - 30 to 34 inches: loamy fine sand
Cg2 - 34 to 80 inches: fine sandy loam
Properties and qualities
Slope: 0 to 2 percent
Depth to restrictive feature: More than 80 inches
Drainage class: Very poorly drained
Runoff class: Ponded
Capacity of the most limiting layer to transmit water (Ksat): High (1.98 to 5.95
in/hr)
Depth to water table: About 0 inches
Frequency of flooding: NoneFrequent
Frequency of ponding: Frequent
Available water supply, 0 to 60 inches: High (about 9.4 inches)
Interpretive groups
Land capability classification (irrigated): None specified
Land capability classification (nonirrigated): 7w
Hydrologic Soil Group: A/D
Hydric soil rating: Yes
GoA—Goldsboro sandy loam, 0 to 2 percent slopes
Map Unit Setting
National map unit symbol: 3x4s
Elevation: 80 to 330 feet
Mean annual precipitation: 38 to 55 inches
Mean annual air temperature: 59 to 70 degrees F
Frost -free period: 210 to 265 days
Farmland classification: All areas are prime farmland
Map Unit Composition
Goldsboro and similar soils: 90 percent
Minor components: 2 percent
Estimates are based on observations, descriptions, and transects of the mapunit.
Description of Goldsboro
Setting
Landform: Broad interstream divides on marine terraces, flats on marine terraces
Landform position (two-dimensional): Summit
Down -slope shape: Linear
Across -slope shape: Linear
Parent material: Loamy marine deposits
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Typical profile
Ap - 0 to 8 inches: sandy loam
E - 8 to 15 inches: sandy loam
Bt - 15 to 45 inches: sandy clay loam
Btg - 45 to 80 inches: sandy clay loam
Properties and qualities
Slope: 0 to 2 percent
Depth to restrictive feature: More than 80 inches
Drainage class: Moderately well drained
Runoff class: Very low
Capacity of the most limiting layer to transmit water (Ksat): Moderately high to high
(0.57 to 1.98 in/hr)
Depth to water table: About 24 to 36 inches
Frequency of flooding: None
Frequency of ponding: None
Available water supply, 0 to 60 inches: Moderate (about 8.0 inches)
Interpretive groups
Land capability classification (irrigated): None specified
Land capability classification (nonirrigated): 2w
Hydrologic Soil Group: B
Hydric soil rating: No
Minor Components
Rains, undrained
Percent of map unit: 2 percent
Landform: Broad interstream divides on marine terraces, carolina bays on marine
terraces, flats on marine terraces
Landform position (two-dimensional): Summit
Down -slope shape: Linear
Across -slope shape: Linear
Hydric soil rating: Yes
GtB2—Gritney sandy loam, 2 to 5 percent slopes, moderately eroded
Map Unit Setting
National map unit symbol: 3x4w
Elevation: 80 to 330 feet
Mean annual precipitation: 38 to 55 inches
Mean annual air temperature: 59 to 70 degrees F
Frost -free period: 210 to 265 days
Farmland classification: All areas are prime farmland
Map Unit Composition
Gritney and similar soils: 80 percent
Estimates are based on observations, descriptions, and transects of the mapunit.
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Description of Gritney
Setting
Landform: Ridges on marine terraces
Landform position (two-dimensional): Summit, shoulder
Landform position (three-dimensional): Crest
Down -slope shape: Convex
Across -slope shape: Convex
Parent material: Clayey marine deposits
Typical profile
Ap - 0 to 9 inches: fine sandy loam
Bt - 9 to 58 inches: clay
C - 58 to 80 inches: sandy clay loam
Properties and qualities
Slope: 2 to 6 percent
Depth to restrictive feature: More than 80 inches
Drainage class: Moderately well drained
Runoff class: Low
Capacity of the most limiting layer to transmit water (Ksat): Moderately low to
moderately high (0.06 to 0.20 in/hr)
Depth to water table: About 18 to 36 inches
Frequency of flooding: None
Frequency of ponding: None
Available water supply, 0 to 60 inches: Moderate (about 7.9 inches)
Interpretive groups
Land capability classification (irrigated): None specified
Land capability classification (nonirrigated): 3e
Hydrologic Soil Group: D
Hydric soil rating: No
NoA—Norfolk loamy sand, 0 to 2 percent slopes
Map Unit Setting
National map unit symbol: 2v75w
Elevation: 10 to 330 feet
Mean annual precipitation: 40 to 55 inches
Mean annual air temperature: 59 to 70 degrees F
Frost -free period: 200 to 280 days
Farmland classification: All areas are prime farmland
Map Unit Composition
Norfolk and similar soils: 83 percent
Estimates are based on observations, descriptions, and transects of the mapunit.
Description of Norfolk
Setting
Landform: Flats on marine terraces, broad interstream divides on marine terraces
Landform position (three-dimensional): Talf
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Down -slope shape: Convex, linear
Across -slope shape: Convex, linear
Parent material: Loamy marine deposits
Typical profile
Ap - 0 to 8 inches: loamy sand
E - 8 to 14 inches: loamy sand
Bt - 14 to 65 inches: sandy clay loam
BC - 65 to 80 inches: sandy clay loam
Properties and qualities
Slope: 0 to 2 percent
Depth to restrictive feature: More than 80 inches
Drainage class: Well drained
Capacity of the most limiting layer to transmit water (Ksat): Moderately high to high
(0.57 to 1.98 in/hr)
Depth to water table: About 40 to 72 inches
Frequency of flooding: None
Frequency of ponding: None
Available water supply, 0 to 60 inches: Moderate (about 6.9 inches)
Interpretive groups
Land capability classification (irrigated): None specified
Land capability classification (nonirrigated): 1
Hydrologic Soil Group: A
Hydric soil rating: No
NoB—Norfolk loamy sand, 2 to 6 percent slopes
Map Unit Setting
National map unit symbol: 2v75y
Elevation: 30 to 450 feet
Mean annual precipitation: 40 to 55 inches
Mean annual air temperature: 59 to 70 degrees F
Frost -free period: 200 to 280 days
Farmland classification: All areas are prime farmland
Map Unit Composition
Norfolk and similar soils: 83 percent
Estimates are based on observations, descriptions, and transects of the mapunit.
Description of Norfolk
Setting
Landform: Flats on marine terraces, broad interstream divides on marine terraces
Landform position (three-dimensional): Talf
Down -slope shape: Convex, linear
Across -slope shape: Convex, linear
Parent material: Loamy marine deposits
Typical profile
Ap - 0 to 8 inches: loamy sand
E - 8 to 14 inches: loamy sand
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Bt - 14 to 65 inches: sandy clay loam
BC - 65 to 80 inches: sandy clay loam
Properties and qualities
Slope: 2 to 6 percent
Depth to restrictive feature: More than 80 inches
Drainage class: Well drained
Capacity of the most limiting layer to transmit water (Ksat): Moderately high to high
(0.57 to 1.98 in/hr)
Depth to water table: About 40 to 72 inches
Frequency of flooding: None
Frequency of ponding: None
Available water supply, 0 to 60 inches: Moderate (about 6.9 inches)
Interpretive groups
Land capability classification (irrigated): None specified
Land capability classification (nonirrigated): 2e
Hydrologic Soil Group: A
Hydric soil rating: No
Ra—Rains sandy loam, 0 to 2 percent slopes
Map Unit Setting
National map unit symbol: 2v760
Elevation: 30 to 330 feet
Mean annual precipitation: 40 to 55 inches
Mean annual air temperature: 59 to 70 degrees F
Frost -free period: 200 to 280 days
Farmland classification: Prime farmland if drained
Map Unit Composition
Rains, undrained, and similar soils: 58 percent
Rains, drained, and similar soils: 24 percent
Minor components: 8 percent
Estimates are based on observations, descriptions, and transects of the mapunit.
Description of Rains, Undrained
Setting
Landform: Flats on marine terraces, broad interstream divides on marine terraces,
carolina bays on marine terraces
Landform position (three-dimensional): Dip, talf
Down -slope shape: Linear
Across -slope shape: Linear
Parent material: Loamy marine deposits
Typical profile
A - 0 to 6 inches: sandy loam
Eg - 6 to 12 inches: sandy loam
Btg - 12 to 65 inches: sandy clay loam
BCg - 65 to 80 inches: sandy clay loam
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Properties and qualities
Slope: 0 to 2 percent
Depth to restrictive feature: More than 80 inches
Drainage class: Poorly drained
Capacity of the most limiting layer to transmit water (Ksat): Moderately high to high
(0.20 to 1.98 in/hr)
Depth to water table: About 0 inches
Frequency of flooding: None
Frequency of ponding: None
Available water supply, 0 to 60 inches: Moderate (about 7.9 inches)
Interpretive groups
Land capability classification (irrigated): None specified
Land capability classification (nonirrigated): 4w
Hydrologic Soil Group: A/D
Hydric soil rating: Yes
Description of Rains, Drained
Setting
Landform: Flats on marine terraces, broad interstream divides on marine terraces,
carolina bays on marine terraces
Landform position (three-dimensional): Dip, talf
Down -slope shape: Linear
Across -slope shape: Linear
Parent material: Loamy marine deposits
Typical profile
Ap - 0 to 6 inches: sandy loam
Eg - 6 to 12 inches: sandy loam
Btg - 12 to 65 inches: sandy clay loam
BCg - 65 to 80 inches: sandy clay loam
Properties and qualities
Slope: 0 to 2 percent
Depth to restrictive feature: More than 80 inches
Drainage class: Poorly drained
Capacity of the most limiting layer to transmit water (Ksat): Moderately high to high
(0.20 to 1.98 in/hr)
Depth to water table: About 12 to 36 inches
Frequency of flooding: None
Frequency of ponding: None
Available water supply, 0 to 60 inches: Moderate (about 7.9 inches)
Interpretive groups
Land capability classification (irrigated): None specified
Land capability classification (nonirrigated): 3w
Hydrologic Soil Group: B
Hydric soil rating: Yes
Minor Components
Pantego, undrained
Percent of map unit: 8 percent
Landform: Broad interstream divides, flats, stream terraces
Landform position (three-dimensional): Tread, talf
Down -slope shape: Linear
21

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Custom Soil Resource Report
Across -slope shape: Concave
Hydric soil rating: Yes
StA—State loamy sand, 0 to 3 percent slopes, rarely flooded
Map Unit Setting
National map unit symbol: 3x5c
Elevation: 80 to 330 feet
Mean annual precipitation: 38 to 55 inches
Mean annual air temperature: 59 to 70 degrees F
Frost -free period: 210 to 265 days
Farmland classification: All areas are prime farmland
Map Unit Composition
State and similar soils: 75 percent
Estimates are based on observations, descriptions, and transects of the mapunit.
Description of State
Setting
Landform: Stream terraces
Landform position (three-dimensional): Tread
Down -slope shape: Convex
Across -slope shape: Linear
Parent material: Old loamy alluvium derived from igneous and metamorphic rock
Typical profile
Ap - 0 to 6 inches: loamy sand
E - 6 to 10 inches: loamy fine sand
Bt1 - 10 to 38 inches: sandy clay loam
Bt2 - 38 to 42 inches: fine sandy loam
C - 42 to 90 inches: fine sandy loam
Properties and qualities
Slope: 0 to 3 percent
Depth to restrictive feature: More than 80 inches
Drainage class: Well drained
Runoff class: Low
Capacity of the most limiting layer to transmit water (Ksat): Moderately high to high
(0.57 to 1.98 in/hr)
Depth to water table: About 48 to 72 inches
Frequency of flooding: Rare
Frequency of ponding: None
Available water supply, 0 to 60 inches: Moderate (about 7.2 inches)
Interpretive groups
Land capability classification (irrigated): None specified
Land capability classification (nonirrigated): 1
Hydrologic Soil Group: B
Hydric soil rating: No
22

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Custom Soil Resource Report
Tt—Tomotley fine sandy loam, 0 to 2 percent slopes, rarely flooded
Map Unit Setting
National map unit symbol: 3x5h
Elevation: 80 to 330 feet
Mean annual precipitation: 38 to 55 inches
Mean annual air temperature: 59 to 70 degrees F
Frost -free period: 210 to 265 days
Farmland classification: Prime farmland if drained
Map Unit Composition
Tomotley, drained, and similar soils: 80 percent
Tomotley, undrained, and similar soils: 10 percent
Estimates are based on observations, descriptions, and transects of the mapunit.
Description of Tomotley, Drained
Setting
Landform: Flats on stream terraces, depressions on stream terraces
Down -slope shape: Linear
Across -slope shape: Linear
Parent material: Old loamy alluvium derived from igneous and metamorphic rock
Typical profile
Ap - 0 to 5 inches: fine sandy loam
BA - 5 to 9 inches: fine sandy loam
Btg - 9 to 31 inches: clay loam
BCg - 31 to 40 inches: sandy loam
Cg - 40 to 80 inches: loamy sand
Properties and qualities
Slope: 0 to 2 percent
Depth to restrictive feature: More than 80 inches
Drainage class: Poorly drained
Runoff class: Very low
Capacity of the most limiting layer to transmit water (Ksat): Moderately high to high
(0.20 to 1.98 in/hr)
Depth to water table: About 0 to 12 inches
Frequency of flooding: Rare
Frequency of ponding: None
Available water supply, 0 to 60 inches: Moderate (about 8.2 inches)
Interpretive groups
Land capability classification (irrigated): None specified
Land capability classification (nonirrigated): 3w
Hydrologic Soil Group: B/D
Hydric soil rating: Yes
Description of Tomotley, Undrained
Setting
Landform: Flats on stream terraces, depressions on stream terraces
23

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Custom Soil Resource Report
Down -slope shape: Linear
Across -slope shape: Linear
Parent material: Old loamy alluvium derived from igneous and metamorphic rock
Typical profile
A - 0 to 5 inches: fine sandy loam
BA - 5 to 9 inches: fine sandy loam
Btg - 9 to 31 inches: clay loam
BCg - 31 to 40 inches: sandy loam
Cg - 40 to 80 inches: loamy sand
Properties and qualities
Slope: 0 to 2 percent
Depth to restrictive feature: More than 80 inches
Drainage class: Poorly drained
Runoff class: Very low
Capacity of the most limiting layer to transmit water (Ksat): Moderately high to high
(0.20 to 1.98 in/hr)
Depth to water table: About 0 to 12 inches
Frequency of flooding: Rare
Frequency of ponding: None
Available water supply, 0 to 60 inches: Moderate (about 8.2 inches)
Interpretive groups
Land capability classification (irrigated): None specified
Land capability classification (nonirrigated): 4w
Hydrologic Soil Group: B/D
Hydric soil rating: Yes
WaB—Wagram loamy sand, 0 to 6 percent slopes
Map Unit Setting
National map unit symbol: 3x5p
Elevation: 80 to 330 feet
Mean annual precipitation: 38 to 55 inches
Mean annual air temperature: 59 to 70 degrees F
Frost -free period: 210 to 265 days
Farmland classification: Farmland of statewide importance
Map Unit Composition
Wagram and similar soils: 90 percent
Minor components: 5 percent
Estimates are based on observations, descriptions, and transects of the mapunit.
Description of Wagram
Setting
Landform: Ridges on marine terraces, broad interstream divides on marine
terraces
Landform position (two-dimensional): Summit, shoulder
Landform position (three-dimensional): Crest
24

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Custom Soil Resource Report
Down -slope shape: Convex
Across -slope shape: Convex
Parent material: Loamy marine deposits
Typical profile
Ap - 0 to 8 inches: loamy sand
E - 8 to 24 inches: loamy sand
Bt - 24 to 75 inches: sandy clay loam
BC - 75 to 83 inches: sandy loam
Properties and qualities
Slope: 0 to 6 percent
Depth to restrictive feature: More than 80 inches
Drainage class: Well drained
Runoff class: Low
Capacity of the most limiting layer to transmit water (Ksat): Moderately high to high
(0.57 to 1.98 in/hr)
Depth to water table: About 60 to 80 inches
Frequency of flooding: None
Frequency of ponding: None
Available water supply, 0 to 60 inches: Moderate (about 6.7 inches)
Interpretive groups
Land capability classification (irrigated): None specified
Land capability classification (nonirrigated): 2s
Hydrologic Soil Group: A
Hydric soil rating: No
Minor Components
Bibb, undrained
Percent of map unit: 3 percent
Landform: Flood plains
Landform position (two-dimensional): Toeslope
Down -slope shape: Concave
Across -slope shape: Linear
Hydric soil rating: Yes
Johnston, undrained
Percent of map unit: 2 percent
Landform: Flood plains
Down -slope shape: Concave
Across -slope shape: Linear
Hydric soil rating: Yes
25

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
References
American Association of State Highway and Transportation Officials (AASHTO).
2004. Standard specifications for transportation materials and methods of sampling
and testing. 24th edition.
American Society for Testing and Materials (ASTM). 2005. Standard classification of
soils for engineering purposes. ASTM Standard D2487-00.
Cowardin, L.M., V. Carter, F.C. Golet, and E.T. LaRoe. 1979. Classification of
wetlands and deep -water habitats of the United States. U.S. Fish and Wildlife
Service FWS/OBS-79/31.
Federal Register. July 13, 1994. Changes in hydric soils of the United States.
Federal Register. September 18, 2002. Hydric soils of the United States.
Hurt, G.W., and L.M. Vasilas, editors. Version 6.0, 2006. Field indicators of hydric
soils in the United States.
National Research Council. 1995. Wetlands: Characteristics and boundaries.
Soil Survey Division Staff. 1993. Soil survey manual. Soil Conservation Service.
U.S. Department of Agriculture Handbook 18. http://www.nres.usda.gov/wps/portal/
nres/detail/national/soils/?cid=nres 142p2_054262
Soil Survey Staff. 1999. Soil taxonomy: A basic system of soil classification for
making and interpreting soil surveys. 2nd edition. Natural Resources Conservation
Service, U.S. Department of Agriculture Handbook 436. http://
www.nres.usda.gov/wps/portal/nres/detail/national/soils/?cid=nres142p2_053577
Soil Survey Staff. 2010. Keys to soil taxonomy. 11th edition. U.S. Department of
Agriculture, Natural Resources Conservation Service. http://
www. nres.usda.gov/wps/portal/nres/detail/national/soils/?cid=nres142p2_053580
Tiner, R.W., Jr. 1985. Wetlands of Delaware. U.S. Fish and Wildlife Service and
Delaware Department of Natural Resources and Environmental Control, Wetlands
Section.
United States Army Corps of Engineers, Environmental Laboratory. 1987. Corps of
Engineers wetlands delineation manual. Waterways Experiment Station Technical
Report Y-87-1.
United States Department of Agriculture, Natural Resources Conservation Service.
National forestry manual. http://www.nres.usda.gov/wps/portal/nres/detail/soils/
home/?cid=nres142p2_053374
United States Department of Agriculture, Natural Resources Conservation Service.
National range and pasture handbook. http://www.nres.usda.gov/wps/portal/nres/
detail/national/landuse/rangepasture/?cid=stelprdb1043084
26

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Custom Soil Resource Report
United States Department of Agriculture, Natural Resources Conservation Service.
National soil survey handbook, title 430-VI. http://www.nres.usda.gov/wps/portal/
nres/detail/soils/scientists/?cid=nres142p2_054242
United States Department of Agriculture, Natural Resources Conservation Service.
2006. Land resource regions and major land resource areas of the United States,
the Caribbean, and the Pacific Basin. U.S. Department of Agriculture Handbook
296. http://www.nres.usda.gov/wps/portal/nres/detail/national/soils/?
cid=nres142p2_053624
United States Department of Agriculture, Soil Conservation Service. 1961. Land
capability classification. U.S. Department of Agriculture Handbook 210. http://
www.nrcs.usda.gov/lnternet/FSE—DOCUMENTS/nrcsl 42p2_052290.pdf
27

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
1S (2S
Landfill Area Borrow Area
SubCa Reach and Link Drainage Diagram for Westside LCID LF - Existing
Prepared by Smith Gardner, Inc. 4/12/2023
HydroCAD® 8.00 s/n 004004 © 2006 HydroCAD Software Solutions LLC

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Westside LCID LF - Existing
Prepared by Smith Gardner, Inc. Page 2
HydroCADO 8.00 s/n 004004 © 2006 HydroCAD Software Solutions LLC 4/12/2023
Area Listing (all nodes)
Area (acres) CN Description (subcats)
20.434 61 >75% Grass cover, Good, HSG B (1 S,2S)
20.434

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Westside LCID LF - Existing Type 1124-hr 25 Yr - 24 Hr Rainfall=6.79"
Prepared by Smith Gardner, Inc. Page 3
HydroCADO 8.00 s/n 004004 © 2006 HydroCAD Software Solutions LLC 4/12/2023
Time span=5.00-20.00 hrs, dt=0.05 hrs, 301 points
Runoff by SCS TR-20 method, UH=SCS
Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method
Subcatchment 1S: Landfill Area Runoff Area=4.640 ac Runoff Depth>2.32"
Tc=0.0 min CN=61 Runoff=24.48 cfs 0.899 of
Subcatchment 2S: Borrow Area Runoff Area=688,000 sf Runoff Depth>2.32"
Tc=0.0 min CN=61 Runoff=83.32 cfs 3.058 of
Total Runoff Area = 20.434 ac Runoff Volume = 3.957 of Average Runoff Depth = 2.32"
100.00% Pervious Area = 20.434 ac 0.00% Impervious Area = 0.000 ac

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Westside LCID LF - Existing Type 11 24-hr 25 Yr - 24 Hr Rainfall=6.79"
Prepared by Smith Gardner, Inc. Page 4
HydroCADO 8.00 s/n 004004 © 2006 HydroCAD Software Solutions LLC 4/12/2023
Subcatchment 1S: Landfill Area
Runoff = 24.48 cfs @ 11.90 hrs, Volume= 0.899 af, Depth> 2.32"
Runoff by SCS TR-20 method, UH=SCS, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs
Type 11 24-hr 25 Yr - 24 Hr Rainfall=6.79"
Area (ac) CN Description
4.640 61 >75% Grass cover, Good, HSG B
4.640 Pervious Area
Subcatchment 1S: Landfill Area
Hydrograph
26 24.48 cfs
24 Type II 24-hr 25 Yr - 24 Hr
22�Rainfall=6.79"
Runoff .'Area=4.64Q!ac
20
18 Runoff Vdl-ume,=a'.899 af
16 ---
- -- - p>232"-
3
12 c=0.0 min IL
C NF
8
6
4
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Time (hours)
❑ Runoff

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Westside LCID LF - Existing Type 11 24-hr 25 Yr - 24 Hr Rainfall=6.79"
Prepared by Smith Gardner, Inc. Page 5
HydroCADO 8.00 s/n 004004 © 2006 HydroCAD Software Solutions LLC 4/12/2023
Subcatchment 2S: Borrow Area
Runoff = 83.32 cfs @ 11.90 hrs, Volume= 3.058 af, Depth> 2.32"
Runoff by SCS TR-20 method, UH=SCS, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs
Type 11 24-hr 25 Yr - 24 Hr Rainfall=6.79"
Area (sf) CN Description
688,000 61 >75% Grass cover, Good, HSG B
688,000 Pervious Area
■ Runoff
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Time (hours)

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Westside LCID LF - Existing Type 1124-hr 100 Yr- 24 Hr Rainfall=9.34"
Prepared by Smith Gardner, Inc. Page 6
HydroCADO 8.00 s/n 004004 © 2006 HydroCAD Software Solutions LLC 4/12/2023
Time span=5.00-20.00 hrs, dt=0.05 hrs, 301 points
Runoff by SCS TR-20 method, UH=SCS
Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method
Subcatchment 1S: Landfill Area Runoff Area=4.640 ac Runoff Depth>4.14"
Tc=0.0 min CN=61 Runoff=42.82 cfs 1.601 of
Subcatchment 2S: Borrow Area Runoff Area=688,000 sf Runoff Depth>4.14"
Tc=0.0 min CN=61 Runoff=145.75 cfs 5.449 of
Total Runoff Area = 20.434 ac Runoff Volume = 7.050 of Average Runoff Depth = 4.14"
100.00% Pervious Area = 20.434 ac 0.00% Impervious Area = 0.000 ac

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Westside LCID LF - Existing Type 11 24-hr 100 Yr- 24 Hr Rainfall=9.34"
Prepared by Smith Gardner, Inc. Page 7
HydroCADO 8.00 s/n 004004 © 2006 HydroCAD Software Solutions LLC 4/12/2023
Subcatchment 1S: Landfill Area
Runoff = 42.82 cfs @ 11.89 hrs, Volume= 1.601 af, Depth> 4.14"
Runoff by SCS TR-20 method, UH=SCS, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs
Type 11 24-hr 100 Yr - 24 Hr Rainfall=9.34"
Area (ac) CN Description
4.640 61 >75% Grass cover, Good, HSG B
4.640 Pervious Area
Subcatchment 1S: Landfill Area
Hydrograph
-,
■Runoff
46
44
-
"
; 42.82 cfs
-
- -24-h'
42
_
T p-Y�-' 24 H r
er1O
Type- EI
40
38
" ,-'
-Rainfall=9,34' -
36
34
"
' .- r
�unof#-Are a=464Q' at
30
.-'---r--- 'r
-1 unoff Va[ume= 'tfiO1: -af
26
RLnoff Q epth>4,14"
_
3 24
-00 n
u 20
",: -
- - - -
CN-6,1
18
-
16
14
12
10
8
6
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Time (hours)

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Westside LCID LF - Existing Type 11 24-hr 100 Yr- 24 Hr Rainfall=9.34"
Prepared by Smith Gardner, Inc. Page 8
HydroCADO 8.00 s/n 004004 © 2006 HydroCAD Software Solutions LLC 4/12/2023
Subcatchment 2S: Borrow Area
Runoff = 145.75 cfs @ 11.89 hrs, Volume= 5.449 af, Depth> 4.14"
Runoff by SCS TR-20 method, UH=SCS, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs
Type 11 24-hr 100 Yr - 24 Hr Rainfall=9.34"
Area (sf) CN Description
688,000 61 >75% Grass cover, Good, HSG B
688,000 Pervious Area
Subcatchment 2S: Borrow Area
Hydrograph
160
150
..
140
130
120
110
100
..
K 90
..
3 80
o
70
60
50
40
..
30
"
20
10
145.75 cfs
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Time (hours)
■ Runoff

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Pond Area
u
Basin 6
kAB'
Borro Area
DC-]DC-2
DA-2 Aip
SubCa Reach and Link Drainage Diagram for Westside LCID LF - Proposed
Prepared by Smith Gardner, Inc. 4/12/2023
HydroCAD® 8.00 s/n 004004 © 2006 HydroCAD Software Solutions LLC

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Westside LCID LF - Proposed
Prepared by Smith Gardner, Inc. Page 2
HydroCADO 8.00 s/n 004004 © 2006 HydroCAD Software Solutions LLC 4/12/2023
Area Listing (all nodes)
Area (acres) CN Description (subcats)
3.228 79 <50% Grass cover, Poor, HSG B (DA-1,DA-2)
0.636 85 Gravel roads, HSG B (DA-1,DA-2)
14.463 86 Fallow, bare soil, HSG B (3S)
2.112 98 Paved parking & roofs (3S,Pond Area)
20.438

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Westside LCID LF - Proposed Type 1124-hr 25 YR - 24 HR Rainfall=6.79"
Prepared by Smith Gardner, Inc. Page 3
HydroCADO 8.00 s/n 004004 © 2006 HydroCAD Software Solutions LLC 4/12/2023
Time span=5.00-20.00 hrs, dt=0.05 hrs, 301 points
Runoff by SCS TR-20 method, UH=SCS
Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method
Subcatchment 3S: Borrow Area Runoff Area=688,000 sf Runoff Depth>4.95"
Tc=0.0 min CN=87 Runoff=156.62 cfs 6.521 of
Subcatchment DA-1: Runoff Area=34,800 sf Runoff Depth>4.20"
Tc=0.0 min CN=80 Runoff=7.07 cfs 0.280 of
Subcatchment DA-2: Runoff Area=133,500 sf Runoff Depth>4.20"
Tc=0.0 min CN=80 Runoff=27.14 cfs 1.074 of
Subcatchment Pond Area: Runoff Area=34,000 sf Runoff Depth>5.98"
Tc=0.0 min CN=98 Runoff=8.50 cfs 0.389 of
Reach DC-1: Avg. Depth=0.31' Max Vet=4.29 fps Inflow=7.07 cfs 0.280 of
n=0.030 L=375.0' S=0.0453 '/' Capacity=238.36 cfs Outflow=6.29 cfs 0.279 of
Reach DC-2: Avg. Depth=0.83' Max Vet=3.91 fps Inflow=27.14 cfs 1.074 of
n=0.030 L=1,320.0' S=0.0129'/' Capacity=127.05 cfs Outflow=20.81 cfs 1.063 of
Pond 1 P: Peak EIev=100.71' Storage=167,791 cf Inflow=156.62 cfs 6.521 of
Primary=14.78 cfs 3.749 of Secondary=0.00 cfs 0.000 of Outflow=14.78 cfs 3.749 of
Pond Basin 6: Peak EIev=99.57' Storage=66,122 cf Inflow=26.37 cfs 1.731 of
Primary=0.23 cfs 0.213 of Secondary=0.00 cfs 0.000 of Outflow=0.23 cfs 0.213 of
Pond DI -A: Peak EIev=100.26' Inflow=23.95 cfs 1.342 of
30.0" x 100.0' Culvert Outflow=23.95 cfs 1.342 of
Total Runoff Area = 20.438 ac Runoff Volume = 8.264 of Average Runoff Depth = 4.85"
89.67% Pervious Area = 18.326 ac 10.33% Impervious Area = 2.112 ac

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Westside LCID LF - Proposed Type 11 24-hr 25 YR - 24 HR Rainfall=6.79"
Prepared by Smith Gardner, Inc. Page 4
HydroCADO 8.00 s/n 004004 © 2006 HydroCAD Software Solutions LLC 4/12/2023
Subcatchment 3S: Borrow Area
Runoff = 156.62 cfs @ 11.89 hrs, Volume= 6.521 af, Depth> 4.95"
Runoff by SCS TR-20 method, UH=SCS, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs
Type II 24-hr 25 YR - 24 HR Rainfall=6.79"
Area (sf) CN Description
630,000
86 Fallow, bare soil, HSG B
58,000
98 Paved parking & roofs
688,000
87 Weighted Average
630,000
Pervious Area
58,000
Impervious Area
■ Runoff
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Time (hours)

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Westside LCID LF - Proposed Type 1124-hr 25 YR - 24 HR Rainfall=6.79"
Prepared by Smith Gardner, Inc. Page 5
HydroCADO 8.00 s/n 004004 © 2006 HydroCAD Software Solutions LLC 4/12/2023
Subcatchment DA-1:
Runoff = 7.07 cfs @ 11.89 hrs, Volume= 0.280 af, Depth> 4.20"
Runoff by SCS TR-20 method, UH=SCS, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs
Type II 24-hr 25 YR - 24 HR Rainfall=6.79"
Area (sf) CN Description
28,500
79 <50% Grass cover, Poor, HSG B
6,300
85 Gravel roads, HSG B
34,800
80 Weighted Average
34,800
Pervious Area
Subcatchment DA-1:
Hydrograph
_ ' ❑Runoff
7.07 cfs
7 ,Type II 24-hr 25 YR - 24 HR
Rainfall=6.79"
6
Runoff Area=34,800 Sf
5 Runoff Volume=0.280 of
w Runoff Depth>4.20"
g 4 Tc=0.0 min
LL
3 'CN=80
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Time (hours)

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Westside LCID LF - Proposed Type 11 24-hr 25 YR - 24 HR Rainfall=6.79"
Prepared by Smith Gardner, Inc. Page 6
HydroCADO 8.00 s/n 004004 © 2006 HydroCAD Software Solutions LLC 4/12/2023
Subcatchment DA-2:
Runoff = 27.14 cfs @ 11.89 hrs, Volume= 1.074 af, Depth> 4.20"
Runoff by SCS TR-20 method, UH=SCS, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs
Type II 24-hr 25 YR - 24 HR Rainfall=6.79"
Area (sf) CN Description
112,100
79 <50% Grass cover, Poor, HSG B
21,400
85 Gravel roads, HSG B
133,500
80 Weighted Average
133,500
Pervious Area
■ Runoff
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Time (hours)

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Westside LCID LF - Proposed Type 11 24-hr 25 YR - 24 HR Rainfall=6.79"
Prepared by Smith Gardner, Inc. Page 7
HydroCADO 8.00 s/n 004004 © 2006 HydroCAD Software Solutions LLC 4/12/2023
Subcatchment Pond Area:
Runoff = 8.50 cfs @ 11.89 hrs, Volume= 0.389 af, Depth> 5.98"
Runoff by SCS TR-20 method, UH=SCS, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs
Type II 24-hr 25 YR - 24 HR Rainfall=6.79"
Area (sf) CN Description
34,000 98 Paved parking & roofs
34,000 Impervious Area
0
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Time (hours)
■ Runoff

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Westside LCID LF - Proposed Type 1124-hr 25 YR - 24 HR Rainfall=6.79"
Prepared by Smith Gardner, Inc. Page 8
HydroCADO 8.00 s/n 004004 © 2006 HydroCAD Software Solutions LLC 4/12/2023
Reach DC-1:
Inflow Area = 0.799 ac, Inflow Depth > 4.20" for 25 YR - 24 HR event
Inflow = 7.07 cfs @ 11.89 hrs, Volume= 0.280 of
Outflow = 6.29 cfs @ 11.93 hrs, Volume= 0.279 af, Atten= 11 %, Lag= 2.2 min
Routing by Stor-Ind+Trans method, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs
Max. Velocity= 4.29 fps, Min. Travel Time= 1.5 min
Avg. Velocity = 1.09 fps, Avg. Travel Time= 5.8 min
Peak Storage= 582 cf @ 11.90 hrs, Average Depth at Peak Storage= 0.31'
Bank -Full Depth= 2.00', Capacity at Bank -Full= 238.36 cfs
4.00' x 2.00' deep channel, n= 0.030 Earth, grassed & winding
Side Slope Z-value= 3.0 7' Top Width= 16.00'
Length= 375.0' Slope= 0.0453 7'
Inlet Invert= 118.00', Outlet Invert= 101.00'
Reach DC-1:
Hydrograph
❑ Inflow
7.07 cfs ❑ Outflow
7r Inflow Area=0.799 ac
6.29 cfs Avg. Depth=0.31'
6
Max Vet=4.29 fps
5 n=0.030
3 4 L=375.0'
0
LL 3 S=0.0453 T
Capacity=238.36 cfs
2
U
0
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Time (hours)

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Westside LCID LF - Proposed Type 11 24-hr 25 YR - 24 HR Rainfall=6.79"
Prepared by Smith Gardner, Inc. Page 9
HydroCADO 8.00 s/n 004004 © 2006 HydroCAD Software Solutions LLC 4/12/2023
Reach DC-2:
Inflow Area = 3.065 ac, Inflow Depth > 4.20" for 25 YR - 24 HR event
Inflow = 27.14 cfs @ 11.89 hrs, Volume= 1.074 of
Outflow = 20.81 cfs @ 12.03 hrs, Volume= 1.063 af, Atten= 23%, Lag= 8.2 min
Routing by Stor-Ind+Trans method, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs
Max. Velocity= 3.91 fps, Min. Travel Time= 5.6 min
Avg. Velocity = 1.11 fps, Avg. Travel Time= 19.8 min
Peak Storage= 7,146 cf @ 11.93 hrs, Average Depth at Peak Storage= 0.83'
Bank -Full Depth= 2.00', Capacity at Bank -Full= 127.05 cfs
4.00' x 2.00' deep channel, n= 0.030 Earth, grassed & winding
Side Slope Z-value= 3.0 7' Top Width= 16.00'
Length= 1,320.0' Slope= 0.0129 7'
Inlet Invert= 118.00', Outlet Invert= 101.00'
■ Inflow
❑ Outflow
In=0.030
L=1 }20'0`
S=0 -01129 vfv
y '1 5- c pacit '=
7.0 Ga fa
8 9 10 11 12 13 14 15 16 17 18 19 20
Time (hours)

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Westside LCID LF - Proposed Type 1124-hr 25 YR - 24 HR Rainfall=6.79"
Prepared by Smith Gardner, Inc. Page 10
HydroCADO 8.00 s/n 004004 © 2006 HydroCAD Software Solutions LLC 4/12/2023
Pond 1 P:
Inflow Area = 15.794 ac, Inflow Depth > 4.95" for 25 YR - 24 HR event
Inflow = 156.62 cfs @ 11.89 hrs, Volume= 6.521 of
Outflow = 14.78 cfs @ 12.24 hrs, Volume= 3.749 af, Atten= 91%, Lag= 21.2 min
Primary = 14.78 cfs @ 12.24 hrs, Volume= 3.749 of
Secondary = 0.00 cfs @ 5.00 hrs, Volume= 0.000 of
Routing by Stor-Ind method, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs
Peak Elev= 100.71' @ 12.24 hrs Surf.Area= 85,246 sf Storage= 167,791 cf
Plug -Flow detention time= 170.3 min calculated for 3.736 of (57% of inflow)
Center -of -Mass det. time= 95.8 min ( 844.7 - 748.9 )
Volume Invert Avail.Storage Storage Description
#1 98.00' 306,000 cf Custom Stage Data (Prismatic) Listed below (Recalc)
Elevation Surf.Area Inc.Store Cum.Store
(feet) (sq-ft) (cubic -feet) (cubic -feet)
98.00 54,800 0 0
100.00 61,000 115,800 115,800
102.00 129,200 190,200 306,000
Device Routing Invert Outlet Devices
#1 Primary 98.00' 18.0" x 60.0' long Culvert RCP, rounded edge headwall, Ke= 0.100
Outlet Invert= 97.00' S= 0.0167 7' Cc= 0.900
n= 0.012 Concrete pipe, finished
#2 Device 1 98.10' Special & User -Defined
Head (feet) 0.00 0.01 0.10 1.00 10.00
Disch. (cfs) 0.000 0.600 0.600 0.600 0.600
#3 Device 1 100.00' 3.0' long Sharp -Crested Rectangular Weir X 4.00 2 End Contraction(s)
0.5' Crest Height
#4 Secondary 101.00' 20.0' long x 12.0' breadth Broad -Crested Rectangular Weir
Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60
Coef. (English) 2.57 2.62 2.70 2.67 2.66 2.67 2.66 2.64
Primary OutFlow Max=14.78 cfs @ 12.24 hrs HW=100.71' (Free Discharge)
L1=Culvert (Barrel Controls 14.78 cfs @ 8.36 fps)
2=Special & User -Defined (Passes < 0.60 cfs potential flow)
t3=Sharp-Crested
Rectangular Weir (Passes < 26.30 cfs potential flow)
Secondary OutFlow Max=0.00 cfs @ 5.00 hrs HW=98.00' (Free Discharge)
t-4=Broad-Crested Rectangular Weir ( Controls 0.00 cfs)

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Westside LCID LF - Proposed Type 11 24-hr 25 YR - 24 HR Rainfall=6.79"
Prepared by Smith Gardner, Inc. Page 11
HydroCADO 8.00 s/n 004004 © 2006 HydroCAD Software Solutions LLC 4/12/2023

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Westside LCID LF - Proposed Type 1124-hr 25 YR - 24 HR Rainfall=6.79"
Prepared by Smith Gardner, Inc. Page 12
HydroCADO 8.00 s/n 004004 © 2006 HydroCAD Software Solutions LLC 4/12/2023
Pond Basin 6:
Inflow Area = 4.644 ac, Inflow Depth > 4.47" for 25 YR - 24 HR event
Inflow = 26.37 cfs @ 11.96 hrs, Volume= 1.731 of
Outflow = 0.23 cfs @ 9.95 hrs, Volume= 0.213 af, Atten= 99%, Lag= 0.0 min
Primary = 0.23 cfs @ 9.95 hrs, Volume= 0.213 of
Secondary = 0.00 cfs @ 5.00 hrs, Volume= 0.000 of
Routing by Stor-Ind method, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs
Peak Elev= 99.57' @ 20.00 hrs Surf.Area= 23,069 sf Storage= 66,122 cf
Plug -Flow detention time= 276.6 min calculated for 0.212 of (12% of inflow)
Center -of -Mass det. time= 101.0 min ( 865.0 - 764.0 )
Volume Invert Avail.Storage Storage Description
#1 96.00' 130,300 cf Custom Stage Data (Prismatic) Listed below (Recalc)
Elevation Surf.Area Inc.Store Cum.Store
(feet) (sq-ft) (cubic -feet) (cubic -feet)
96.00 14,200 0 0
98.00 19,000 33,200 33,200
100.00 24,200 43,200 76,400
102.00 29,700 53,900 130,300
Device Routing Invert Outlet Devices
#1 Primary 96.00' 18.0" x 50.0' long Culvert RCP, rounded edge headwall, Ke= 0.100
Outlet Invert= 95.00' S= 0.0200 7' Cc= 0.900
n= 0.012 Concrete pipe, finished
#2 Device 1 96.10' Special & User -Defined
Head (feet) 0.00 0.01 0.10 1.00 10.00
Disch. (cfs) 0.000 0.230 0.230 0.230 0.230
#3 Device 1 100.00' 3.0' long Sharp -Crested Rectangular Weir X 4.00 2 End Contraction(s)
0.5' Crest Height
#4 Secondary 101.00' 20.0' long x 12.0' breadth Broad -Crested Rectangular Weir
Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60
Coef. (English) 2.57 2.62 2.70 2.67 2.66 2.67 2.66 2.64
Primary OutFlow Max=0.23 cfs @ 9.95 hrs HW=96.20' (Free Discharge)
L1=Culvert (Passes 0.23 cfs of 0.30 cfs potential flow)
2=Special & User -Defined (Custom Controls 0.23 cfs)
t3=Sharp-Crested
Rectangular Weir ( Controls 0.00 cfs)
Secondary OutFlow Max=0.00 cfs @ 5.00 hrs HW=96.00' (Free Discharge)
t-4=Broad-Crested Rectangular Weir ( Controls 0.00 cfs)

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Westside LCID LF - Proposed Type 11 24-hr 25 YR - 24 HR Rainfall=6.79"
Prepared by Smith Gardner, Inc. Page 13
HydroCADO 8.00 s/n 004004 © 2006 HydroCAD Software Solutions LLC 4/12/2023
Pond Basin 6:
Hydrograph
■ Inflow
18
N
0 16
c 14
12 .
10
8
6
4
0.00 cfs
0.23 cfs
5....6....7....8....9....1,0 ...1,1....12. .. .13 14 15 16 17 18 19 20
Time (hours)

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Westside LCID LF - Proposed Type 1124-hr 25 YR - 24 HR Rainfall=6.79"
Prepared by Smith Gardner, Inc. Page 14
HydroCADO 8.00 s/n 004004 © 2006 HydroCAD Software Solutions LLC 4/12/2023
Pond DI -A:
Inflow Area =
3.864 ac,
Inflow Depth > 4.17"
for 25 YR - 24 HR event
Inflow =
23.95 cfs @
12.00 hrs, Volume=
1.342 of
Outflow =
23.95 cfs @
12.00 hrs, Volume=
1.342 af, Atten= 0%, Lag= 0.0 min
Primary =
23.95 cfs @
12.00 hrs, Volume=
1.342 of
Routing by Stor-Ind method, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs
Peak Elev= 100.26' @ 12.00 hrs
Device Routing Invert Outlet Devices
#1 Primary 98.00' 30.0" x 100.0' long Culvert RCP, square edge headwall, Ke= 0.500
Outlet Invert= 97.00' S= 0.0100 7' Cc= 0.900
n= 0.012 Concrete pipe, finished
Primary OutFlow Max=23.79 cfs @ 12.00 hrs HW=100.25' (Free Discharge)
L1=Culvert (Inlet Controls 23.79 cfs @ 5.11 fps)
Pond DI -A:
Hydrograph
❑ Inflow
❑ Primary

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Westside LCID LF - Proposed Type 1124-hr 100 YR - 24 HR Rainfall=9.34"
Prepared by Smith Gardner, Inc. Page 15
HydroCADO 8.00 s/n 004004 © 2006 HydroCAD Software Solutions LLC 4/12/2023
Time span=5.00-20.00 hrs, dt=0.05 hrs, 301 points
Runoff by SCS TR-20 method, UH=SCS
Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method
Subcatchment 3S: Borrow Area Runoff Area=688,000 sf Runoff Depth>7.28"
Tc=0.0 min CN=87 Runoff=223.97 cfs 9.578 of
Subcatchment DA-1: Runoff Area=34,800 sf Runoff Depth>6.47"
Tc=0.0 min CN=80 Runoff=10.53 cfs 0.430 of
Subcatchment DA-2: Runoff Area=133,500 sf Runoff Depth>6.47"
Tc=0.0 min CN=80 Runoff=40.40 cfs 1.651 of
Subcatchment Pond Area: Runoff Area=34,000 sf Runoff Depth>8.26"
Tc=0.0 min CN=98 Runoff=11.70 cfs 0.537 of
Reach DC-1: Avg. Depth=0.39' Max Vet=4.88 fps Inflow=10.53 cfs 0.430 of
n=0.030 L=375.0' S=0.0453 '/' Capacity=238.36 cfs Outflow=9.35 cfs 0.429 of
Reach DC-2: Avg. Depth=1.04' Max Vet=4.39 fps Inflow=40.40 cfs 1.651 of
n=0.030 L=1,320.0' S=0.0129'/' Capacity=127.05 cfs Outflow=31.42 cfs 1.638 of
Pond 1P: Peak EIev=101.46' Storage=241,023 cf Inflow=223.97 cfs 9.578 of
Primary=17.10 cfs 5.879 of Secondary=16.48 cfs 0.875 of Outflow=33.57 cfs 6.753 of
Pond Basin 6: Peak EIev=100.14' Storage=79,749 cf Inflow=41.74 cfs 2.604 of
Primary=2.29 cfs 0.827 of Secondary=0.00 cfs 0.000 of Outflow=2.29 cfs 0.827 of
Pond DI -A: Peak EIev=101.69' Inflow=36.93 cfs 2.067 of
30.0" x 1 00.0'Culvert Outflow=36.93 cfs 2.067 of
Total Runoff Area = 20.438 ac Runoff Volume = 12.197 of Average Runoff Depth = 7.16"
89.67% Pervious Area = 18.326 ac 10.33% Impervious Area = 2.112 ac

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Westside LCID LF - Proposed Type 11 24-hr 100 YR - 24 HR Rainfall=9.34"
Prepared by Smith Gardner, Inc. Page 16
HydroCADO 8.00 s/n 004004 © 2006 HydroCAD Software Solutions LLC 4/12/2023
Subcatchment 3S: Borrow Area
Runoff = 223.97 cfs @ 11.89 hrs, Volume= 9.578 af, Depth> 7.28"
Runoff by SCS TR-20 method, UH=SCS, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs
Type II 24-hr 100 YR - 24 HR Rainfall=9.34"
Area (sf) CN Description
630,000
86 Fallow, bare soil, HSG B
58,000
98 Paved parking & roofs
688,000
87 Weighted Average
630,000
Pervious Area
58,000
Impervious Area
■ Runoff
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Time (hours)

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Westside LCID LF - Proposed Type 1124-hr 100 YR - 24 HR Rainfall=9.34"
Prepared by Smith Gardner, Inc. Page 17
HydroCADO 8.00 s/n 004004 © 2006 HydroCAD Software Solutions LLC 4/12/2023
Subcatchment DA-1:
Runoff = 10.53 cfs @ 11.89 hrs, Volume= 0.430 af, Depth> 6.47"
Runoff by SCS TR-20 method, UH=SCS, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs
Type II 24-hr 100 YR - 24 HR Rainfall=9.34"
Area (sf) CN Description
28,500
79 <50% Grass cover, Poor, HSG B
6,300
85 Gravel roads, HSG B
34,800
80 Weighted Average
34,800
Pervious Area
3
0
LL
F
Subcatchment DA-1:
Hydrograph
❑Runoff
10.53 cfs
Type H 24-hr 100 YR - 24 HR
Rainfall=9.34"
Runoff Area=34,800 sf
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Time (hours)

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Westside LCID LF - Proposed Type 11 24-hr 100 YR - 24 HR Rainfall=9.34"
Prepared by Smith Gardner, Inc. Page 18
HydroCADO 8.00 s/n 004004 © 2006 HydroCAD Software Solutions LLC 4/12/2023
Subcatchment DA-2:
Runoff = 40.40 cfs @ 11.89 hrs, Volume= 1.651 af, Depth> 6.47"
Runoff by SCS TR-20 method, UH=SCS, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs
Type II 24-hr 100 YR - 24 HR Rainfall=9.34"
Area (sf) CN DescriDtion
112,100
79 <50% Grass cover, Poor, HSG B
21,400
85 Gravel roads, HSG B
133,500
80 Weighted Average
133,500
Pervious Area
Subcatchment DA-2:
Hydrograph
■ Runoff
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Time (hours)

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Westside LCID LF - Proposed Type 11 24-hr 100 YR - 24 HR Rainfall=9.34"
Prepared by Smith Gardner, Inc. Page 19
HydroCADO 8.00 s/n 004004 © 2006 HydroCAD Software Solutions LLC 4/12/2023
Subcatchment Pond Area:
Runoff = 11.70 cfs @ 11.89 hrs, Volume= 0.537 af, Depth> 8.26"
Runoff by SCS TR-20 method, UH=SCS, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs
Type II 24-hr 100 YR - 24 HR Rainfall=9.34"
Area (sf) CN Description
34,000 98 Paved parking & roofs
34,000 Impervious Area
1
■ Runoff

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Westside LCID LF - Proposed Type 11 24-hr 100 YR - 24 HR Rainfall=9.34"
Prepared by Smith Gardner, Inc. Page 20
HydroCADO 8.00 s/n 004004 © 2006 HydroCAD Software Solutions LLC 4/12/2023
Reach DC-1:
Inflow Area = 0.799 ac, Inflow Depth > 6.47" for 100 YR - 24 HR event
Inflow = 10.53 cfs @ 11.89 hrs, Volume= 0.430 of
Outflow = 9.35 cfs @ 11.92 hrs, Volume= 0.429 af, Atten= 11 %, Lag= 1.8 min
Routing by Stor-Ind+Trans method, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs
Max. Velocity= 4.88 fps, Min. Travel Time= 1.3 min
Avg. Velocity = 1.22 fps, Avg. Travel Time= 5.1 min
Peak Storage= 768 cf @ 11.90 hrs, Average Depth at Peak Storage= 0.39'
Bank -Full Depth= 2.00', Capacity at Bank -Full= 238.36 cfs
4.00' x 2.00' deep channel, n= 0.030 Earth, grassed & winding
Side Slope Z-value= 3.0 '/' Top Width= 16.00'
Length= 375.0' Slope= 0.0453 T
Inlet Invert= 118.00', Outlet Invert= 101.00'
Reach DC-1:
Hydrograph
0.53 cfs
11 Inflow' Area-,0.799 ac
1
10 9.35 cfs
Avg. De th=0.39'
9
8 Max Vel-4.$8 f os
" - - - - n=0.030
7
6
L=75.0'
o
5 S 0.0453 /v
4 - ---- - --
Capacity,-23 6 c'
3 ----- fs
2
1 ,
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Time (hours)
■ Inflow
❑ Outflow

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Westside LCID LF - Proposed Type 11 24-hr 100 YR - 24 HR Rainfall=9.34"
Prepared by Smith Gardner, Inc. Page 21
HydroCADO 8.00 s/n 004004 © 2006 HydroCAD Software Solutions LLC 4/12/2023
Reach DC-2:
Inflow Area = 3.065 ac, Inflow Depth > 6.47" for 100 YR - 24 HR event
Inflow = 40.40 cfs @ 11.89 hrs, Volume= 1.651 of
Outflow = 31.42 cfs @ 12.01 hrs, Volume= 1.638 af, Atten= 22%, Lag= 7.2 min
Routing by Stor-Ind+Trans method, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs
Max. Velocity= 4.39 fps, Min. Travel Time= 5.0 min
Avg. Velocity = 1.28 fps, Avg. Travel Time= 17.2 min
Peak Storage= 9,744 cf @ 11.93 hrs, Average Depth at Peak Storage= 1.04'
Bank -Full Depth= 2.00', Capacity at Bank -Full= 127.05 cfs
4.00' x 2.00' deep channel, n= 0.030 Earth, grassed & winding
Side Slope Z-value= 3.0 7' Top Width= 16.00'
Length= 1,320.0' Slope= 0.0129 7'
Inlet Invert= 118.00', Outlet Invert= 101.00'
Reach DC-2:
Hydrograph
■ Inflow
44
-
�
C3 L
' - -
----- 4--
❑ Outflow
42
-
ow:: Area=�3.fl
:Inflow:: �5 a�+
40
"
38
36
.'
..
tr
---------------------------------�a---De - ------
32
31.42 cfs
��F.
e- 9 f -
ulww p�
28
n=OO 0 -
26
24
�
320 Q
22
u. 20
_n e
0
16
14
"'
-
- - - -'
CC
Capac t -127- 0 J
12
r r
10
-- -',- - - - -', ------
8
-' .-
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Time (hours)

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Westside LCID LF - Proposed Type 1124-hr 100 YR - 24 HR Rainfall=9.34"
Prepared by Smith Gardner, Inc. Page 22
HydroCADO 8.00 s/n 004004 © 2006 HydroCAD Software Solutions LLC 4/12/2023
Pond 1 P:
Inflow Area = 15.794 ac, Inflow Depth > 7.28" for 100 YR - 24 HR event
Inflow = 223.97 cfs @ 11.89 hrs, Volume= 9.578 of
Outflow = 33.57 cfs @ 12.03 hrs, Volume= 6.753 af, Atten= 85%, Lag= 8.6 min
Primary = 17.10 cfs @ 12.03 hrs, Volume= 5.879 of
Secondary = 16.48 cfs @ 12.03 hrs, Volume= 0.875 of
Routing by Stor-Ind method, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs
Peak Elev= 101.46' @ 12.03 hrs Surf.Area= 110,730 sf Storage= 241,023 cf
Plug -Flow detention time= 160.2 min calculated for 6.752 of (70% of inflow)
Center -of -Mass det. time= 94.5 min ( 836.2 - 741.7 )
Volume Invert Avail.Storage Storage Description
#1 98.00' 306,000 cf Custom Stage Data (Prismatic) Listed below (Recalc)
Elevation Surf.Area Inc.Store Cum.Store
(feet) (sq-ft) (cubic -feet) (cubic -feet)
98.00 54,800 0 0
100.00 61,000 115,800 115,800
102.00 129,200 190,200 306,000
Device Routing Invert Outlet Devices
#1 Primary 98.00' 18.0" x 60.0' long Culvert RCP, rounded edge headwall, Ke= 0.100
Outlet Invert= 97.00' S= 0.0167 7' Cc= 0.900
n= 0.012 Concrete pipe, finished
#2 Device 1 98.10' Special & User -Defined
Head (feet) 0.00 0.01 0.10 1.00 10.00
Disch. (cfs) 0.000 0.600 0.600 0.600 0.600
#3 Device 1 100.00' 3.0' long Sharp -Crested Rectangular Weir X 4.00 2 End Contraction(s)
0.5' Crest Height
#4 Secondary 101.00' 20.0' long x 12.0' breadth Broad -Crested Rectangular Weir
Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60
Coef. (English) 2.57 2.62 2.70 2.67 2.66 2.67 2.66 2.64
Primary OutFlow Max=17.09 cfs @ 12.03 hrs HW=101.46' (Free Discharge)
L1=Culvert (Barrel Controls 17.09 cfs @ 9.67 fps)
2=Special & User -Defined (Passes < 0.60 cfs potential flow)
t3=Sharp-Crested
Rectangular Weir (Passes < 84.51 cfs potential flow)
Secondary OutFlow Max=16.32 cfs @ 12.03 hrs HW=101.46' (Free Discharge)
t-4=Broad-Crested Rectangular Weir (Weir Controls 16.32 cfs @ 1.79 fps)

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Westside LCID LF - Proposed Type 1124-hr 100 YR - 24 HR
Prepared by Smith Gardner, Inc.
HydroCADO 8.00 s/n 004004 © 2006 HydroCAD Software Solutions LLC
Rainfall=9.34"
Page 23
4/12/2023
Pond 1 P:
Hydrograph
■ Inflow
223.97 cfs
■ Outflow w
fl
-1 94 ac
PrimaryInflow:re
- --
■ Secondary
ry
240
-Peak -Iev- n A
'
rag 0200
140
- -,
c 120
a
100
80
"
- -
33.57 cfs
----
60
40 ""
S
16.48 cfs
20 "
0
5 6
7 8 9 10
11 12 13 14
15 16 17 18 19 20
Time (hours)

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Westside LCID LF - Proposed Type 1124-hr 100 YR - 24 HR Rainfall=9.34"
Prepared by Smith Gardner, Inc. Page 24
HydroCADO 8.00 s/n 004004 © 2006 HydroCAD Software Solutions LLC 4/12/2023
Pond Basin 6:
Inflow Area = 4.644 ac, Inflow Depth > 6.73" for 100 YR - 24 HR event
Inflow = 41.74 cfs @ 11.95 hrs, Volume= 2.604 of
Outflow = 2.29 cfs @ 13.35 hrs, Volume= 0.827 af, Atten= 95%, Lag= 84.4 min
Primary = 2.29 cfs @ 13.35 hrs, Volume= 0.827 of
Secondary = 0.00 cfs @ 5.00 hrs, Volume= 0.000 of
Routing by Stor-Ind method, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs
Peak Elev= 100.14' @ 13.35 hrs Surf.Area= 24,578 sf Storage= 79,749 cf
Plug -Flow detention time= 245.8 min calculated for 0.824 of (32% of inflow)
Center -of -Mass det. time= 138.5 min ( 894.5 - 756.0 )
Volume Invert Avail.Storage Storage Description
#1 96.00' 130,300 cf Custom Stage Data (Prismatic) Listed below (Recalc)
Elevation Surf.Area Inc.Store Cum.Store
(feet) (sq-ft) (cubic -feet) (cubic -feet)
96.00 14,200 0 0
98.00 19,000 33,200 33,200
100.00 24,200 43,200 76,400
102.00 29,700 53,900 130,300
Device Routing Invert Outlet Devices
#1 Primary 96.00' 18.0" x 50.0' long Culvert RCP, rounded edge headwall, Ke= 0.100
Outlet Invert= 95.00' S= 0.02007' Cc= 0.900
n= 0.012 Concrete pipe, finished
#2 Device 1 96.10' Special & User -Defined
Head (feet) 0.00 0.01 0.10 1.00 10.00
Disch. (cfs) 0.000 0.230 0.230 0.230 0.230
#3 Device 1 100.00' 3.0' long Sharp -Crested Rectangular Weir X 4.00 2 End Contraction(s)
0.5' Crest Height
#4 Secondary 101.00' 20.0' long x 12.0' breadth Broad -Crested Rectangular Weir
Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60
Coef. (English) 2.57 2.62 2.70 2.67 2.66 2.67 2.66 2.64
Primary OutFlow Max=2.27 cfs @ 13.35 hrs HW=100.14' (Free Discharge)
L1=Culvert (Passes 2.27 cfs of 19.73 cfs potential flow)
t2=Special & User -Defined (Custom Controls 0.23 cfs)
3=Sharp-Crested
Rectangular Weir (Weir Controls 2.04 cfs @ 1.25 fps)
Secondary OutFlow Max=0.00 cfs @ 5.00 hrs HW=96.00' (Free Discharge)
t-4=13road-Crested Rectangular Weir ( Controls 0.00 cfs)

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Westside LCID LF - Proposed Type 1124-hr 100 YR - 24 HR Rainfall=9.34"
Prepared by Smith Gardner, Inc. Page 25
HydroCADO 8.00 s/n 004004 © 2006 HydroCAD Software Solutions LLC 4/12/2023
Pond Basin 6:
Hydrograph
2.29 cfs
9 10 11 12 13 14 15 16 17 18 19 20
Time (hours)

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Westside LCID LF - Proposed Type 11 24-hr 100 YR - 24 HR Rainfall=9.34"
Prepared by Smith Gardner, Inc. Page 26
HydroCADO 8.00 s/n 004004 © 2006 HydroCAD Software Solutions LLC 4/12/2023
Pond DI -A:
Inflow Area =
3.864 ac,
Inflow Depth > 6.42"
for 100 YR - 24 HR event
Inflow =
36.93 cfs @
11.99 hrs, Volume=
2.067 of
Outflow =
36.93 cfs @
11.99 hrs, Volume=
2.067 af, Atten= 0%, Lag= 0.0 min
Primary =
36.93 cfs @
11.99 hrs, Volume=
2.067 of
Routing by Stor-Ind method, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs
Peak Elev= 101.69' @ 11.99 hrs
Device Routing Invert Outlet Devices
#1 Primary 98.00' 30.0" x 100.0' long Culvert RCP, square edge headwall, Ke= 0.500
Outlet Invert= 97.00' S= 0.01007' Cc= 0.900
n= 0.012 Concrete pipe, finished
Primary OutFlow Max=36.27 cfs @ 11.99 hrs HW=101.60' (Free Discharge)
L1=Culvert (Inlet Controls 36.27 cfs @ 7.39 fps)
■ Inflow
❑ Primary
Time (hours)

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
ADDRESS
TEL I WEB
SMITH GARDNER
PROJECT Westside LCID Landfill
SUBJECT Drainage Channel Analysis
14 N. Boylan Avenue, Raleigh, NC 27603
919.828.0577 1 www.smithgardnerinc.com
SHEET 1 OF 7
JOB # WILSON-22-4
DATE 4/5/2023
COMPUTED BY SWH
CHECKED BY
OBJECTIVE: To design drainage channels, ditches, etc. to handle stormwater flow from the design storm(s). The main
design criteria will be to ensure that all drainage channels, ditches, etc. will be able to accommodate the
peak discharge from the design storm without overtopping and without exceeding the allowable shear
stress and/or velocity of the selected channel lining.
REFERENCES: Federal Highway Administration 12001), Urban Drainage Design Manual, Hydraulic Engineering Circular
No. 22, FHWA NHI-01-021, Second Ed., U.S. Dept. of Transportation, Washington, D.C.
North Carolina Division of Land Resources (2013 Updates), North Carolina Erosion & Sediment Control
Planning & Design Manual, Raleigh, NC.
Malcom, H. Rooney (1989 & 2003 Supplement), Elements of Urban Stormwater Design, NC State Univ.,
Raleigh, NC.
Pennsylvania DEP Bureau of Watershed Protection (2000), Erosion and Sediment Pollution Control
Program Manual.
ANALYSIS: The following approach is used in the design of drainage channels:
1 Determine the peak discharge from the design storms) (from HydroCAD or spreadsheet
methods). For permanent linings (Grass, TRM, rip rap, gabions, etc.) use the peak discharge
from the 25-Yr 24-Hr storm unless otherwise specified. For grass lined channels, a smaller
design storm (2-Yr 24-Hr - unless otherwise specified) is used to evaluate temporary linings.
2• Input other design parameters (bottom width; side slopes; minimum freeboard, min./max.
slopes; and channel lining).
3. Based on the design parameters calculate normal depth of flow, velocity, Froude number, and
maximum shear stress for both max./min. slopes. Also determine the critical slope and
corresponding normal depth.
4• Compare the velocity and/or shear stress to allowable values (the maximum slope values will
control). If values are exceeded, revise design parameters as required.
5. Based on normal depth values and required freeboard (generally use the greater of 6 inches or
25% of the flow depth), determine the minimum channel depth and top width for both max./min.
slopes (the minimum slope values will control).
6. If the channel has a significant curved reach, evaluate the shear stress and superelevation of
the water surface in the bend.
CALCULATIONS:
- Manning's Equation:
1.49 AR 2/3s 1/2 Av (HEC-22 Eq. 5-5)
Q = =
n
where: Q = discharge (cfs)
n = Manning's roughness coefficient (See Below)
A = cross sectional area of flow (ft2)
R = hydraulic radius (ft) = A/P
P = wetted perimeter
S = slope of channel (ft/ft)
V = average channel velocity (ft/sec)
SMITH GARDNER, INC. DRAINAGE CHANNEL-Westside LCID

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
PROJECT Westside LCID Landfill SHEET 2 OF
SUBJECT Drainage Channel Analysis JOB # WILSON-22-4
- Maximum Shear Stress (Tractive Force Method):
zd = ydS (HEC-22 Eq. 5-13)
where: Td = maximum shear stress on channel lining (psf)
y = unit weight of water (62.4 pcf)
d = maximum depth of flow (ft)
S = channel slope (ft/ft)
- Froude Number:
v
Fr = F
7 DATE 4/5/2023
COMPUTED BY SWH
CHECKED BY 0
where: F,. = Froude number (dimensionless)
v = flow velocity (ft/sec)
g = acceleration of gravity (32.2 ft/sec`)
A = cross -sectional area of flow (ft`)
T = top width of flow (ft)
Note that A/T = the hydraulic depth (D). For F, > 1.0, flow is supercritical; Fr < 1.0, flow is subcritical; Fr = 1.0, flow is
critical.
Critical Slope:
The critical slope (S j is the slope at which Fr = 1.0. When the slope is between 0.7S, and 1.3Sc , unstable
Row may occur as small flow disturbances can initiate a change in the flow state. If slopes are within this
range, consider additional freeboard.
- Manning's Roughness Coefficient (n):
Grass:
Rip Ram
R'/6
n = (HEC-22 Eq. 5-6 - 5-10)
[ K + 19.97 log(R �' S O'
where: R = hydraulic radius (ft)
K = vegetative coefficient (depending on retardance class)
= 15.8 (Class A)
= 23.0 (Class B)
= 30.2 (Class C)
= 34.6 (Class D)
= 37.7 (Class E)
S = slope of channel (ft/ft)
l,G
y
21.61og� y j + 14
d50
where: y = depth of flow (ft)
d 50 = median size of rip rap (ft)
(PA DEP Manual Fig. 3)
SMITH - GARNER
SMITH GARDNFR, INC. DRAINAGE CHANNEL-Westside LCID

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
PROJECT Westside LCID Landfill
SUBJECT Drainage Channel Analysis
- Curved Channels (Where APplicablel:
Shear Stress in Bend:
T b K b T d
where: rd =
Kb =
rd =
R, _
B =
Superelevation at Outside of Bend:
V Z T
Ad = 0.5
gR
SHEET 3 OF 7
JOB # WILSON-22-4
(HEC-22 Eq. 5-15)
bend shear stress (psf)
function of Rc/B (use HEC-22 Chart 21)
maximum shear stress on channel lining (psf)
radius to the centerline of the channel (ft)
bottom width of channel (ft)
1HEC-22 Eq. 5-11 modified)
DATE 4/5/2023
COMPUTED BY SWH
CHECKED BY 0
where: A d = superelevation of water surface between the outer channel bank and the
centerline of the channel (avg. water surface before bend) (ft)
V = average channel velocity (ft/sec)
T = top width of flow (ft)
g = acceleration of gravity (32.2 ft/sec2)
R, = radius to the centerline of the channel (ft)
- Allowable Shear Stress/Velocity
Grass -Lined Channels.
For grass -lined channels, an allowable velocity approach is applicable for slopes flatter than 10%. For
slopes of 10% and steeper appropriate permanent linings should be used. For use in the evaluation of
curved channels, the following allowable shear stress values (lb/ft2) can be assumed based on retardance
class:
Class A: 3.7
Class B: 2.1
Class C: 1
Class D: 0.6
Class E: 0.35
SMITH, GARDNER
SMITH GARDNER, INC. DRAINAGE CHANNEL-Westside LCID

DocuSign Envelope ID: 24CC4O3E-EEOD-4C9F-B3DD-AB1848F544F6
PROJECT Westside LCID Landfill
SHEET
4/7
JOB #
WILSON-22-4
SUBJECT Drainage Channel Analysis (Grass Lined)
DATE
4/5/2023
COMPUTED BY
SWH
Channel No.
DC-1
CHECKED BY
Design Parameters:
PEAK DISCHARGE, 02 =
2.4
ftz/s
Source:
HydroCAD 2-Yr 24-Hr
PEAK DISCHARGE, 025 =
6.3
ft3/s
Source:
HydroCAD 25-Yr 24-Hr
Bottom Width, B =
4.0
ft
Permanent Grass Lining:
Temporary Lining
Left Side Slope, zt =
3.0
horizontal:1 vertical
Grass Retardance=
D
Temporary Lining
Used (Y/NI =
Y
Right Side Slope, zz =
3.0
horizontal:1 vertical
K=
34.6
RECP
Product Name =
NA Green - Curlex I, or equal
Va11a„, =
4.5
ft/sec
Manning's Coefficient, n =
0.035
Minimum Freeboard =
0.5
ft
r.o- =
0.60
lb/ft'
r.o.. =
1.55 lb/ft'
Maximum Channel Slope, S. =
0.030
ft/ft
Bare Ground (if Temporary Liner Not Usedl:
Minimum Channel Slope, Sa,;,,=
0.010
ft/ft
Manning's Coefficient, n=
0.020
Va11a„, =
2.0
ft/sec
Normal Depth
Depth of Flow
Manning's
Area
Wetted
Hydraulic
Top
Hydraulic
Average
Flow
Froude
Maximum
Allowable
Factor
(Norm. Depth)
Roughness
of Flow
Perimeter
Radius
Width
Depth
Velocity
Rate
Number
Shear Stress
Velocity (VI or
of Safety
Comment
Y„
Coefficient
A
P
R=A/P
T
D=A/T
V„
0
Fr (Normal)
re
Sh. Stress (S)
val-/v„ or
ft
n
ftz
ft
ft
ft
ft
ft/s
ft3/s
H
lb/ft'
Used?
rang„./re
02
Maximum Slope:
0.21
0.035 0.97
5.33
0.18
5.26
0.18 2.37
2.3
0.97
0.4
S
3.9 O.K.
Minimum Slope:
0.29
0.035 1.41
5.83
0.24
5.74
0.25 1.65
2.3
0.59
0.2
S
8.6 O.K.
025
Maximum Slope:
0.56
0.073 3.18
7.54
0.42
7.36
0.43 1.99
6.3
0.53
1.0
V
2.3 O.K.
Minimum Slope:
0.78
0.079 4.95
8.93
0.55
8.68
0.57 1.27
6.3
0.30
0.5
V
3.5 O.K.
Critical Depth
Depth of Flow
Manning's
Area
Wetted
Hydraulic
Top
Hydraulic
Section
Flow
Average
Froude
Uniform -Flow
(Crit. Depth)
Roughness
of Flow
Perimeter
Radius
Width
Depth
Factor
Rate
Velocity
Number
Critical Slope
Comment
Ya
Coefficient
A
P
R=A/P
T
D=A/T
Z=AD vz
D
Va
F,. (Critical)
5,
It
n
ftz
ft
ft
ft
ft
ftz's
TO/.
ft/s
#
ft/ft
02
0.21
0.035 0.97
5.33
0.18
5.26
0.18 0.42
2.4
2.44
1.00
0.032
Slopes Near So- Check Freeboard.
025
0.38
0.067 1.95
6.40
0.31
6.28
0.31 1.09
6.2
3.16
1.00
0.097
Flow is Stable.
Determination of Minimum Channel Depth & Top Width (Based
on 0251
Maximum Slope
Minimum Slope
Minimum
Minimum
Minimum
Minimum
Channel
Top Width
Channel
Top Width
Depth
T
Depth
T
It
ft
ft
ft
1.06
10.36
1.28
11.68
SMITH GARTNER, 11111 DC-1 DRAINAGE CHANNEL-Westside LCID

DocuSign Envelope ID: 24CC4O3E-EEOD-4C9F-B3DD-AB1848F544F6
PROJECT Westside LCID Landfill
SHEET
5/7
JOB fi
WILSON-22-4
SUBJECT Drainage Channel Analysis (Grass Lined)
DATE
4/5/2023
COMPUTED BY
SWH
Channel No.
DC-2
CHECKED BY
Design Parameters:
PEAK DISCHARGE, 02 =
6.9
ftz/s
Source:
HydroCAD 2-Yr 24-Hr
PEAK DISCHARGE, 025 =
20.8
ft3/s
Source:
HydroCAD 25-Yr 24-Hr
Bottom Width, B =
4.0
ft
Permanent Grass Lining:
Temporary Lining
Left Side Slope, zt =
3.0
horizontal:1 vertical
Grass Retardance=
D
Temporary Lining
Used (Y/NI =
Y
Right Side Slope, zz =
3.0
horizontal:1 vertical
K=
34.6
RECP
Product Name =
NA Green - Curlex I, or equal
Va11a„, =
4.5
ft/sec
Manning's Coefficient, n =
0.035
Minimum Freeboard =
0.5
ft
r.a- =
0.60
lb/ft'
r.a.. =
1.55 lb/ft'
Maximum Channel Slope, S. =
0.030
ft/ft
Bare Ground (if Temporary Liner Not Usedl:
Minimum Channel Slope, Sa,;,,=
0.006
ft/ft
Manning's Coefficient, n=
0.020
Va11a„, =
2.0
ft/sec
Normal Depth
Depth of Flow
Manning's
Area
Wetted
Hydraulic
Top
Hydraulic
Average
Flow
Froude
Maximum
Allowable
Factor
(Norm. Depth)
Roughness
of Flow
Perimeter
Radius
Width
Depth
Velocity
Rate
Number
Shear Stress
Velocity (VI or
of Safety
Comment
Y„
Coefficient
A
P
R=A/P
T
D=A/T
V„
0
Fr (Normal)
re
Sh. Stress (S)
val-/v„ or
ft
n
ftz
ft
ft
ft
ft
ft/s
ft3/s
H
lb/ft'
Used?
rang„./re
02
Maximum Slope:
0.39
0.035 2.02
6.47
0.31
6.34
0.32 3.39
6.8
1.06
0.7
S
2.1 O.K.
Minimum Slope:
0.61
0.035 3.56
7.86
0.45
7.66
0.46 1.94
6.9
0.50
0.2
S
6.8 O.K.
025
Maximum Slope:
0.91
0.055 6.12
9.76
0.63
9.46
0.65 3.42
21.0
0.75
1.7
V
1.3 O.K.
Minimum Slope:
1.44
0.062 11.98
13.11
0.91
12.64
0.95 1.74
20.9
0.32
0.5
V
2.6 O.K.
Critical Depth
Depth of Flow
Manning's
Area
Wetted
Hydraulic
Top
Hydraulic
Section
Flow
Average
Froude
Uniform -Flow
(Crit. Depth)
Roughness
of Flow
Perimeter
Radius
Width
Depth
Factor
Rate
Velocity
Number
Critical Slope
Comment
Ya
Coefficient
A
P
R=A/P
T
D=A/T
Z=AD vz
D
Va
F,. (Critical)
5,
It
n
ftz
ft
ft
ft
ft
ftz's
TO/.
ft/s
#
ft/ft
02
0.41
0.035 2.14
6.59
0.33
6.46
0.33 1.24
7.0
3.27
1.00
0.026
Slopes Near So- Check Freeboard.
025
0.77
0.053 4.86
8.87
0.55
8.62
0.56 3.65
20.7
4.26
1.00
0.051
Flow is Stable.
Determination of Minimum Channel Depth & Top Width (Based
on 0251
Maximum Slope
Minimum Slope
Minimum
Minimum
Minimum
Minimum
Channel
Top Width
Channel
Top Width
Depth
T
Depth
T
It
ft
ft
ft
1.41
12.46
1.94
15.64
SMITH GARONER, INC. DC-2 DRAINAGE CHANNEL-Westside LCID

DocuSign Envelope ID: 24CC4O3E-EEOD-4C9F-B3DD-AB1848F544F6
PROJECT Westside LCID Landfill
SHEET
6/7
JOB fi
WILSON-22-4
SUBJECT Drainage Channel Analysis (Grass Lined)
DATE
4/5/2023
COMPUTED BY
SWH
Channel No.
DC-3
CHECKED BY
Design Parameters:
PEAK DISCHARGE, 02 =
40.0
ftz/s
Source:
HydroCAD 2-Yr 24-Hr
PEAK DISCHARGE, 025 =
80.0
ft3/s
Source:
HydroCAD 25-Yr 24-Hr
Bottom Width, B =
12.0
ft
Permanent Grass Lining:
Temporary Lining
Left Side Slope, zt =
3.0
horizontal:1 vertical
Grass Retardance=
D
Temporary Lining
Used (Y/N) =
Y
Right Side Slope, zz =
3.0
horizontal:1 vertical
K=
34.6
RECP
Product Name =
NA Green - Curlex I, or equal
Va11a„, =
4.5
ft/sec
Manning's Coefficient, n =
0.035
Minimum Freeboard =
0.5
ft
ray- =
0.60
Ib/ft2
r.1- =
1.55 lb/ft'
Maximum Channel Slope, S. =
0.030
ft/ft
Bare Ground (if Temporary Liner Not Usedl:
Minimum Channel Slope, Sa,;,,=
0.010
ft/ft
Manning's Coefficient, n=
0.020
Va11a„, =
2.0
ft/sec
Normal Depth
Depth of Flow
Manning's
Area
Wetted
Hydraulic
Top
Hydraulic
Average
Flow
Froude
Maximum
Allowable
Factor
(Norm. Depth)
Roughness
of Flow
Perimeter
Radius
Width
Depth
Velocity
Rate
Number
Shear Stress
Velocity (VI or
of Safety
Comment
Y„
Coefficient
A
P
R=A/P
T
D=A/T
V„
0
Fr (Normal)
re
Sh. Stress (S)
val-ly„ or
ft
n
ftz
ft
ft
ft
ft
ft/s
ft3/s
H
lb/ft'
Used?
rang„./re
02
Maximum Slope:
0.60
0.035 8.28
15.79
0.52
15.60
0.53 4.79
39.7
1.16
1.1
S
1.4 O.K.
Minimum Slope:
0.83
0.035 12.03
17.25
0.70
16.98
0.71 3.35
40.3
0.70
0.5
S
3.0 O.K.
025
Maximum Slope:
1.06
0.047 16.09
18.70
0.86
18.36
0.88 4.94
79.5
0.93
2.0
V
0.9 No Good!
Minimum Slope:
1.50
0.050 24.75
21.49
1.15
21.00
1.18 3.25
80.4
0.53
0.9
V
1.4 O.K.
Critical Depth
Depth of Flow
Manning's
Area
Wetted
Hydraulic
Top
Hydraulic
Section
Flow
Average
Froude
Uniform -Flow
(Crit. Depth)
Roughness
of Flow
Perimeter
Radius
Width
Depth
Factor
Rate
Velocity
Number
Critical Slope
Comment
Ya
Coefficient
A
P
R=A/P
T
D=A/T
Z=AD vz
D
Va
F,. (Critical)
5,
It
n
ftz
ft
ft
ft
ft
ftz's
fta/s
ft/s
#
ft/ft
02
0.66
0.035 9.23
16.17
0.57
15.96
0.58 7.02
39.8
4.31
1.00
0.022
Flow is Stable.
025
1.02
0.047 15.36
18.45
0.83
18.12
0.85 14.14
80.3
5.22
1.00
0.035
Slopes Near Sc - Check Freeboard.
Determination of Minimum Channel Depth & Top Width (Based
on 0251
Maximum Slope
Minimum Slope
Minimum
Minimum
Minimum
Minimum
Channel
Top Width
Channel
Top Width
Depth
T
Depth
T
It
ft
ft
ft
1.56
21.36
2.00
24.00
SMITH GARTNER, 11111 DC-3 DRAINAGE CHANNEL-Westside LCID

DocuSign Envelope ID: 24CC4O3E-EEOD-4C9F-B3DD-AB1848F544F6
PROJECT Westside LCID Landfill
SHEET
7/7
JOB fi
WILSON-22-4
SUBJECT Drainage Channel Analysis (Grass Lined)
DATE
4/5/2023
COMPUTED BY
SWH
Channel No.
DC-4
CHECKED BY
Design Parameters:
PEAK DISCHARGE, 02 =
40.0
ftz/s
Source:
HydroCAD 2-Yr 24-Hr
PEAK DISCHARGE, 025 =
80.0
ft3/s
Source:
HydroCAD 25-Yr 24-Hr
Bottom Width, B =
12.0
ft
Permanent Grass Lining:
Temporary Lining
Left Side Slope, zt =
3.0
horizontal:1 vertical
Grass Retardance=
D
Temporary Lining
Used (Y/N) =
Y
Right Side Slope, zz =
3.0
horizontal:1 vertical
K=
34.6
RECP
Product Name =
NA Green - Curlex I, or equal
Va11a„, =
4.5
ft/sec
Manning's Coefficient, n =
0.035
Minimum Freeboard =
0.5
ft
ray- =
0.60
Ib/ft2
r.1- =
1.55 lb/ft'
Maximum Channel Slope, S. =
0.030
ft/ft
Bare Ground (if Temporary Liner Not Usedl:
Minimum Channel Slope, Sa,;,,=
0.010
ft/ft
Manning's Coefficient, n=
0.020
Va11a„, =
2.0
ft/sec
Normal Depth
Depth of Flow
Manning's
Area
Wetted
Hydraulic
Top
Hydraulic
Average
Flow
Froude
Maximum
Allowable
Factor
(Norm. Depth)
Roughness
of Flow
Perimeter
Radius
Width
Depth
Velocity
Rate
Number
Shear Stress
Velocity (VI or
of Safety
Comment
Y„
Coefficient
A
P
R=A/P
T
D=A/T
V„
0
Fr (Normal)
re
Sh. Stress (S)
val-ly„ or
ft
n
ftz
ft
ft
ft
ft
ft/s
ft3/s
H
lb/ft'
Used?
rang„./re
02
Maximum Slope:
0.60
0.035 8.28
15.79
0.52
15.60
0.53 4.79
39.7
1.16
1.1
S
1.4 O.K.
Minimum Slope:
0.83
0.035 12.03
17.25
0.70
16.98
0.71 3.35
40.3
0.70
0.5
S
3.0 O.K.
025
Maximum Slope:
1.06
0.047 16.09
18.70
0.86
18.36
0.88 4.94
79.5
0.93
2.0
V
0.9 No Good!
Minimum Slope:
1.50
0.050 24.75
21.49
1.15
21.00
1.18 3.25
80.4
0.53
0.9
V
1.4 O.K.
Critical Depth
Depth of Flow
Manning's
Area
Wetted
Hydraulic
Top
Hydraulic
Section
Flow
Average
Froude
Uniform -Flow
(Crit. Depth)
Roughness
of Flow
Perimeter
Radius
Width
Depth
Factor
Rate
Velocity
Number
Critical Slope
Comment
Ya
Coefficient
A
P
R=A/P
T
D=A/T
Z=AD vz
D
Va
F,. (Critical)
5,
It
n
ftz
ft
ft
ft
ft
ftz's
fta/s
ft/s
#
ft/ft
02
0.66
0.035 9.23
16.17
0.57
15.96
0.58 7.02
39.8
4.31
1.00
0.022
Flow is Stable.
025
1.02
0.047 15.36
18.45
0.83
18.12
0.85 14.14
80.3
5.22
1.00
0.035
Slopes Near Sc - Check Freeboard.
Determination of Minimum Channel Depth & Top Width (Based
on 0251
Maximum Slope
Minimum Slope
Minimum
Minimum
Minimum
Minimum
Channel
Top Width
Channel
Top Width
Depth
T
Depth
T
It
ft
ft
ft
1.56
21.36
2.00
24.00
SMITH GARTNER, 11111 DC-4 DRAINAGE CHANNEL-Westside LCID

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
RESS I TEL I WEB
SMITH GAR D N E R 1 14 N. Boylan Avenue, Raleigh, NC 27603 919.828.0577 1 www.smithgardnerinc.com
PROJECT Westside LCID Landfill SHEET 1 OF 8 DATE
COMPUTED BY
SUBJECT Sediment Basin Analysis JOB # WILSON-22-4 CHECKED BY
OBJECTIVE: To design a sediment basin(s) to satisfy erosion and sediment control requirements and to handle the flow
from the design storm.
REFERENCES: American Concrete Pipe Association (1996), "Design Data 41 - Manhole Floatation", ACPA, Irving, TX.
Malcom, H. Rooney (1989 & 2003 Supplement), Elements of Urban Stormwater Design, NC State Univ.,
Raleigh, NC.
North Carolina Division of Land Resources (2013 Updates), North Carolina Erosion & Sediment Control
Planning & Design Manual, Raleigh, NC.
Virginia Department of Conservation and Recreation (1992), Virginia Erosion & Sediment Control
Handbook, Third Edition, Richmond, VA.
ANALYSIS: The following approach is used to properly size and evaluate each sediment basin:
1. Design for Wet (If Applicable) and Dry Storage.
2. Route Design Storm.
3. Design Outlet Structures (Design Riser/Barrel Structures and Perform Riser Base Calculations,
Anti -Seepage Collar Calculations, & Emergency Spillway Calculations).
CALCULATIONS:
- Design for Wet (If Applicable) and Dry Storage:
Determine required wet (if applicable) and dry storage volumes based on applicable erosion and sedimentation
control requirements.
If applicable, calculate the desired surface area at the principal spillway. For some locations:
A = O.01Q,,
where: A = desired surface area (acres)
0, = peak discharge from design storm (cfs)
(Use 25-yr 24-hr storm)
Set up a stage -storage relationship for the proposed basin as shown below. Based on this relationship and the
required volume(s) and/or desired surface area, determine the required wet storage (if applicable) and dry
storage elevations. Alternatively the elevation(s) can be determined from a graphical stage -storage relationship.
S= 1 ,Zl (Malcom Eq. III-71
where: S = storage volume (ft3)
Ks, b = linear regression constants describing the stage -storage relationship
Z = stage referenced to the bottom elevation included in the analysis (ft)
Set sediment basin cleanout elevation.
SMITH GARNER, INC. SED BASIN-GENERAL-Westside C&D LF Area 2

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
PROJECT Westside LCID Landfill SHEET 2 OF 8
SUBJECT Sediment Basin Analysis JOB #
WILSON-22-4
DATE 1/0/1900
COMPUTED BY 0
CHECKED BY 0
Size the outlet device to release the dry storage volume IWQVJ over the desired drawdown period (typically this is
a minimum of 24 hours). Use the following equation:
qS 2h (from Original Edition of NCE&SCP&DM)
Ao TCd (20,428)
where: A o = surface area of dewaterinq hole(s) [ft2)
A s = surface area of basin (at principal spillway) (ft2)
h = average head of water above hole (_ (elev. of principal spillway - elev. of wet storage
or (if not applicable) bottom of basin)/2) (ft)
C d = coefficient of contraction (=0.60)
T = detention time (hrs.) (vary over recommended limits)
Select a standard pipe size and number of holes. Verify that the projected drawdown period is within the
recommended limits.
Where desired, size a drain for the basin for maintenance. The drain should dewater the basin (to principal
spillway) within 24 hours. Use the above equation to determine A. of the basin drain. The inlet of the drain should
be protected from the sediment storage zone.
Evaluate basin shape. Compare with the recommended length to width ratio. If this ratio is not achieved, the
basin should be modified or baffles should be added as required.
- Route Design Storm:
Route the design storm through the basin and determine the maximum pool elevation and the peak discharge (via
HydroCAD, spreadsheet methods, or other). Depending on local requirements, multiple design storms may need
to be considered and the peak discharge may need to be compared with the pre -development value.
Based on the peak stage of the design storm, check settling efficiency of the design particle. The design particle is
typically 40 microns (0.04 mm) (within silt size criteria).
Settling Velocity
of Design Particle
g
i1(Malcom Eq. IV-3)
—
[(S
/
18
v
where:
V, =
settling velocity (ft/s) - convert from (m/s)
9 =
gravitational acceleration (m/s')
S, =
specific gravity of design particle
v =
kinematic viscosity of the fluid (m2/s)
(= 1.14 x 10-6 mZ/s (a 1SC - Ref. Streeter, 1975)
of =
diameter of design particle (m)
Surface Area
As =
bKsZ(6-')
(Malcom Eq. IV-7)
where:
A, =
surface area at given stage W (ft)
K,,b =
linear regression constants describing the stage -storage relationship
SMITH GARGNER
SMITH GARNER, INC. SED BASIN-GENERAL-Westside C&D LF Area 2

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
PROJECT Westside LCID Landfill SHEET 3 OF 8 DATE 1/0/1900
COMPUTED BY 0
SUBJECT Sediment Basin Analysis JOB # WILSON-22-4 CHECKED BY 0
Settling Efficiency
r V,A 1-N
E= 1- 1+ NQ �J
(Malcom Eq. IV-1)
where: E = settling efficiency (decimal fraction - convert to %)
A 5 = surface area at given stage (Z) (ft)
N = number of effective cells IN = 2 with forebay)
0 = discharge at given stage (Z) (cfs)
- Design of Outlet Structures:
Design riser/barrel structures based on information used in routing the design storm.
Design base for riser structure to resist design uplift force. Base must have a buoyant weight of at least the
design uplift force. If a concrete riser structure is used, the buoyant weight of the riser can be accounted for in
the calculations.
Design Uplift Force JtF)
T F = (FS)VRiseryH20 - WRtser - WTop - Wsotl - Rsorr (from VAE&SCH Spec. 3.14)
where: TF = design uplift force (lbs)
FS = factor of safety (use 1.25)
VRiser = interior volume of the riser (ft2)(base elevation to principal spillway elevation)
YH2O = density of water (62.4 pcf)
WRi— buoyant weight of riser (not including base or top) (lbs)
WTop = buoyant weight of riser top (lbs)
WsoR = buoyant weight of soil backfill around riser (above base projection) (lbs)
RsoiL = sliding resistance of soil backfill around riser (lbs)*
* See American Concrete Pipe Association Design Data 41 for more information.
Volume of Concrete for Base
V _ - T F = T F (from VAE&SCH Spec. 3.14)
W_ (150- 62.4)
where: V c— = volume of concrete (ft3)
W c—'B = buoyant weight of concrete (150 - 62.4 = 87.6 lbs)
Anti -Seepage Collar(s)
Determine anti -seepage collar requirements based on the following equation. Alternatively, a filter
diaphragm may be designed.
Ls. - y(z + 4) 1 + s (VA E&SC Handbook p. III-1021
(0.25- s)�
where: L s = length of pipe in the saturated zone (ft)
y = distance from barrel invert to riser crest (ft)
z = slope of upstream embankment (zH:lV)
s = pipe slope (ft/ft)
SMITH GARGNER
SMITH GARNER, INC. SED BASIN-GENERAL-Westside C&D LF Area 2

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
PROJECT Westside LCID Landfill SHEET 4 OF 8 DATE 1/0/1900
COMPUTED BY 0
SUBJECT Sediment Basin Analysis JOB # WILSON-22-4 CHECKED BY 0
Determine Ls and use design chart to determine anti -seepage collar requirements. If more than one collar is
used, the spacing between collars should be 14 times the projection (P) of the collar above the barrel. The first
collar should be set at 2P from the riser or a minimum length to bury collar in slope.
Emergency Spillway
Design crest length of emergency spillway to handle flow from the design storm using the following equation.
Determine peak flow from stormwater routing program. If applicable, design outlet channel as a drainage
channel or rock chute.
Qh = C111LHW12 (Malcom Eq. 1-6)
where: 0, = peak discharge from design storm (cfs)
C w = weir coefficient (=3.0 for free overfall)
L = length of weir (ft)
H = driving head (ft) (= allowable headwater above crest of weir or calculated
value from stormwater routing program)
SMITH GARGNER
SMITH GARNER, INC. SED BASIN-GENERAL-Westside C&D LF Area 2

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
PROJECT Westside LCID Landfill
SUBJECT Sediment Basin Analysis
SHEET
JOB If
DATE
COMPUTED BY
CHECKED BY
5/8
WILSON-22-4
Basin No.: Basin 6
DESIGN FOR WET IIF APPLICABLE) AND DRYSTORAGE:
Areas Draining Into Basin:
Are
Drainage Area
(acres)
Drainage Area 210000
4.8
Total =
4.8 Acres
Basin Requirements:
Wet Storaoe:
Required Storage Capacity (ft'/Ac.) =
0 Enter "0' if Not Applicable.
Required Storage Capacity (ft'l =
0
Required Depth of Wet Storage (ftl =
0.0 Enter "0' if Not Applicable.
Dry Storage:
Required Storage Capacity (ft'/Ac.) =
1,800 To Crest of Principal Spillway
Required Storage Capacity (ft'I =
8,678
Multipier (XI for Desired Surface Area (0p x XI =
0.01 At Crest of Principal Spillway
Peak Discharge into Basin (Dp) (cfsl =
49.0 From HydroCAD - 25-Yr, 24-Hr. Storm
Desired Surface Area (Acl =
0.49
Desired Surface Area (ft'I =
21,344
Determine Stage -Storage Function:
Contour Area Area
Incremental Cumulative Stage
In S
In Z
Z est
(ft'I (acres)
Volume Ut') Volume MAI (ftl
96 14,200 0.33
0 0.0
98 19,000 0.44
33,200 33,200 2.0
10.41
0.69
2.01
100 24,200 0.56
43,200 76,400 4.0
11.24
1.39
3.94
102 29,700 0.68
53,900 130,300 6.0
11.78
1.79
6.06
Linear Regression Constants:
Ks = 13,957
Storage = 13957 ZA1.24
b= 1.24
'CAUTION: CHECK INPUT FOR REGRESSION
ANALYSIS!
Stage -Surface Area Relationship
Stage -Storage Relationship
103
103
102
102
101
101
100
100
99
99
98
97
97
96
96
95
95
0 5,000 10,000 15,000 20,000 25,000 30,000 35,000 0
50,000 100,000
150,000
Surface Area (a0
Storage (et)
SMITH GARDNER
SMITH GARDNER. IN LF Area SEED BASIN-GENERAL-Westside C&D LF Area 2

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
PROJECT Westside LCID Landfill
SUBJECT Sediment Basin Analysis
Basin Design Elevations:
Elev. of Bottom of Basin Ift1= 96.0
Wet Storage:
Required Storage Capacity (ft'l = 0
Min.Elev. of Wet Storage l Permanent Pool) = 96.0
Selected Elev. of Wet Storage IPermanent Pool) = 96.0 O.K.
Actual Wet Storage Volume (ft'l = 0 O.K.
Dry Storage:
Required Storage Capacity Ift'l =
Min. Elev. of Principal Spillway IN =
Selected Elev. of Principal Spillway (ftl =
Actual Total Storage Volume Ift'l =
Desired Surface Area MAI =
Actual Surface Area at Principal Spillway (ft'l =
Clea ouh
Cleanout Requirement M of Wet Storage) _
Cleanout Requirement (% of Total Storage) _
Basin Cleanout Volume Ift'l =
Basin Cleanout Elevation IN =
Dewatering of Dry Storage:
Basin Shape:
Option: Faircloth Skimmer
Actual Total Storage Volume to Dewater Ift'I =
Required Skimmer Size (inl =
Required Orifice Diameter (in) _
Dewatering Rate (cfs) _
8,678 = Required Dry Storage +Actual Wet Storage
96.7
99.0 O.K.
54,506 O.K.
21,344
22,529 O.K.
0 Enter "0" if Not Applicable
50
27,253 Based an 50 % of Total Storage Volume
97.7
54,506 = Volume at Principal Spillway
4.0 From www.fairduthskimmer.com Based on 4 Day Drawdown
3.3 From www.faircluthskimmer.com Based on 4 Day Drawdown
0.23 From www.faircluthskimmer—An
Length of Basin Ulf = 350 Measured at Principal Spillway Elevation
Width of Basin (ft) = 60 Measured at Principal Spillway Elevation
Desired Length to Width Ratio IX:11= 3
Actual Length to Width Ratio (X:11 = 5.8 O.K.
SHEET
6/8
JOB#
WILSON-22-4
DATE
101900
COMPUTED BY
0
CHECKED BY
0
SMITH GARDNER
SMITH GARDNER. IN LF Area SED BASIN-GENERAL-Westside C&D LF Area 2

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
PROJECT Westside LCID Landfill SHEET 7/8
JOB if WILSON-22-4
SUBJECT Sediment Basin Analysis DATE 1 0 1900
COMPUTED BY 0
CHECKED BY 0
ROUTE DESIGN STORM: Use Hydro CAD or Other Method.
Design Parameters:
Results:
Check Settling Efficiena,
Particle Data:
Design Storm: 25-Yr, 24-Hr
Design Storm Rainfall (in) = 6.79
Rainfall Distribution: Type II
Runoff Method: SCS TR-20
Maximum Pool Elevation = 99.1
Surface Area at Maximum Pool Ift'l = 22,707
Peak Discharge (cfs) = 1.2
Diam.(microns)=
40
Specific Gravity =
2.65
Settling Veloc. IRA)
0.004140
Reynolds No.(<0.51=
0.044284 O.K.
Efficiency Data:
Desired Efficiency N =
80
No. of Effective Cells =
1
Settling Efficiency N
98.7 O.K.
Design Riser/Barrel Structures:
Riser Desion
Type of Riser: Concrete
- Rectangular
Top of Riser Base Elevation IN =
96.0
Elev. of Principal Spillway IN =
99.0
Riser Top Elevation Ift) =
100.0
Riser Height IN =
4.0
Outlets:
Outlet No. 1 (for Dewatering Dry Storage]:
Size: 4.0" Skimmer (Orifice = 1.9"1 From Above - Dewatering of Dry Storage
Invert
Elevation: 96.1 May Vary For Multiple Holes
Outlet No. 2 (Principal Spillway]:
Size: 4.0' Wide x 1.0' H Weir (x41
Invert
Elevation: 99.0
Concrete Riser Wall Thickness lin) =
6.0
Riser Inside Length Ift1=
4.0
Riser Inside Width Ift) =
4.0
Approx. Rect. Concrete Riser Interior Volume (cf) =
48 (Top of Base to Principal Spillway)
Approx. Rect. Concrete Riser Vol. of Concrete (cf) =
27
Barrel Design:
Type of Barrel:
Concrete
Diameter (in)
18
Inv. In Elevation IN =
96.0
Inv. Out Elevation Iftl =
95.0
Length (fit) =
50.0
Slope (ft/ft) =
0.020
SMITH GARDNER
SMITH GARONER. IN LF Area SED BASIN-GENERAL-Westside C&D LF Area 2

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
PROJECT Westside LCID Landfill SHEET 8/8
JOB# WILSON-22-4
SUBJECT Sediment Basin Analysis DATE 1 0 1900
COMPUTED BY 0
CHECKED BY 0
Riser Base Calculations:
Design Uotift Force:
Factor of Safety =
F (unadjusted) (lbs) =
Approx. Rect. Concrete Riser Buoyant Wt. (lbs) _
Buoyant Wt. of Riser Top Rbsl =
Buoyant Wt. of Surrounding Soil Acting on Ext. Base (lbs) _
Sliding Resistance of Surrounding Soil Rbsl =
F (adjusted) Rbsl =
Concrete Base:
Required Volume of Concrete (ft'l =
Length (ft) =
Width Ift) _
Thickness (ft) =
Actual Volume of Concrete (ft'] =
Anti -Seepage Collar Calculations, (Alternatively - Design Filter Diaphragm]
^*_
I., (ft! -
Q_
Emergency Spillway Calculations:
SUMMARY DATA:
Crest Elev. (ft) =
Required Freeboard (ft) _
Top of Berm Elev. (ft) _
Required Capacity [cfsl =
Driving Head (ft) _
Weir Coefficient =
Length of Crest (ftl =
Design Crest Length [ftl =
1.25
3,744
0
1,892 Factors in 80% of the Buoyant Weight of the Concrete Riser to Account for Outlets.
0
0
1,095 5' x 5' x 0.5' x Buoyant Wt. of Concrete (87.6 pcfl
0
757
8.6
6.0
6.0
1.0 (Includes Concrete Infill Inside of Box)
36.0 O.K
a
e e2e
ae
a
4-0 aad- Me- ofGellacs
4-0 aad- Me- ofGellacs
4-25
38 -44P
101.0
1.0
102.0
20.0 Assumed
0.5 Assumed
3.0
18.9 Determine by Weir Equation'
20
• Length = 20 It minimum.
Basin No.: Basin 6
Elev. of Bottom of Basin (ft) = 96.0
Cleanout Elev. (ftl = 97.7
Elev. of Wet Storage (Permanent Pool] (ft) = NA
Elev. of Principal Spillway (ft) = 99.0 See Above for Riser and Other Design Information.
Emergency Spillway Elev. Ill) = 101.0
Top of Berm Elev. Ill) = 102.0
Top of Berm Width (ftl = —
Barrel Diameter (in) = 18
Barrel Slope(%I= 2.0
SMITH GARDNER
SMITH GARDNER. IN LF Area SEED BASIN-GENERAL-Westside C&D LF Area 2

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
PROJECT Westside LCID Landfill
SUBJECT Sediment Basin Analysis
SHEET 5/8
JOB If WILSON-22-4
DATE
COMPUTED BY
CHECKED BY
Basin No.: Basin 7
DESIGN FOR WET IIF APPLICABLE) AND DRYSTORAGE:
Areas Draining Into Basin:
Are
Drainage Area
(acres)
Drainage Area 688000
15.8
Total =
15.8 Acres
Basin Requirements:
Wet Storaoe:
Required Storage Capacity (ft'/Ac.) =
0 Enter "0' if Not Applicable.
Required Storage Capacity Ift'l =
0
Required Depth of Wet Storage IN =
0.0 Enter "0' if Not Applicable.
Dry Storage:
Required Storage Capacity (ft'/Ac.) =
1,800 To Crest of Principal Spillway
Required Storage Capacity Ift') =
28,430
Multipier (XI for Desired Surface Area I0p x XI =
0.01 At Crest of Principal Spillway
Peak Discharge into Basin (Dp) (cfs) =
157.0 From HydroCAD - 25-Yr, 24-Hr. Storm
Desired Surface Area (Acl =
1.57
Desired Surface Area Ift') =
68,389
Determine Stage -Storage Function:
Contour Area Area
Incremental Cumulative Stage
In S In Z
Z est
(ft'I (acres)
Volume (ft') Volume (ft'I (ftl
98 54,800 1.26
0 0.0
100 61,000 1.40
115,800 115,800 2.0
11.66 0.69
2.00
102 129,200 2.97
190,200 306,000 4.0
12.63 1.39
4.00
Linear Regression Constants:
Ks= 43,822
Storage=43822 ZA1.4
b= 1.40
'CAUTION: CHECK INPUT FOR REGRESSION
ANALYSIS!
Stage -Surface Area Relationship
Stage -Storage Relationship
103
103
102
102
102
102
101
101
101
101
100
100
y 100
a 100
99
99
99
99
98
98
98
98
0 20,000 40,000 60,000 80,000 100,000 120,000 140,000 0
100,000 200,000
300,000 400,000
Surface Area (af)
Storage (et)
SMITH GARDNER
SMITH GARDNER, ME Barrow Area SED BASIN-GENERAL-Weatside C&D LF Area 2

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
PROJECT Westside LCID Landfill
SUBJECT Sediment Basin Analysis
Basin Design Elevations:
Elev. of Bottom of Basin Ift1= 98.0
Wet Storage:
Required Storage Capacity (ft'l = 0
Min.Elev. of Wet Storage l Permanent Pool) = 98.0
Selected Elev. of Wet Storage IPermanent Pool) = 98.0 O.K.
Actual Wet Storage Volume (ft'l = 0 O.K.
Dry Storage:
Required Storage Capacity Ift'l =
Min. Elev. of Principal Spillway IN =
Selected Elev. of Principal Spillway (ftl =
Actual Total Storage Volume Ift'l =
Desired Surface Area MAI =
Actual Surface Area at Principal Spillway (ft'l =
Clea ouh
Cleanout Requirement M of Wet Storage) _
Cleanout Requirement (% of Total Storage) _
Basin Cleanout Volume Ift'l =
Basin Cleanout Elevation IN =
Dewatering of Dry Storage:
Basin Shape:
Option: Faircloth Skimmer
Actual Total Storage Volume to Dewater Ift'I =
Required Skimmer Size (inl =
Required Orifice Diameter (in)=
Dewatering Rate (cfs) _
28,430 = Required Dry Storage +Actual Wet Storage
98.7
100.0 O.K.
115,800 O.K.
68,389
81,170 O.K.
0 Enter "0" if Not Applicable
50
57,900 Based an 50 % of Total Storage Volume
99.2
115.800 = Volume at Principal Spillway
6.0 From www.fairdothskimmer.com Based an 3 Day Drawdown
5.2 From www.fairclothskimmer.com Based on 3 Day Drawdown
0.60 From www.fairclothskimmer—An
Length of Basin Ulf = 500 Measured at Principal Spillway Elevation
Width of Basin (ft) = 120 Measured at Principal Spillway Elevation
Desired Length to Width Ratio IX:11= 3
Actual Length to Width Ratio (X:11 = 4.2 O.K.
SHEET
6/8
JOB#
WILSON-22-4
DATE
101900
COMPUTED BY
0
CHECKED BY
0
SMITH GARDNER
SMITH GARDNER. IN Borrow Area SED BASIN-GENERAL-Westside C&D LF Area 2

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
PROJECT Westside LCID Landfill SHEET 7/8
JOB If WILSON-22-4
SUBJECT Sediment Basin Analysis DATE 1 0 1900
COMPUTED BY 0
CHECKED BY 0
ROUTE DESIGN STORM: Use Hydro CAD or Other Method.
Design Parameters:
Results:
Check Settling Efficiena,
Particle Data:
Design Storm: 25-Yr, 24-Hr
Design Storm Rainfall (in) = 6.79
Rainfall Distribution: Type II
Runoff Method: SCS TR-20
Maximum Pool Elevation = 96.3
Surface Area at Maximum Pool lft'1= #NUMI
Peak Discharge (cfs) = 8.9
Diam.(microns)=
40
Specific Gravity =
2.65
Settling Veloc. IRA)
0.004140
Reynolds No.(<0.51=
0.044284 O.K.
Efficiency Data:
Desired Efficiency N =
80
No. of Effective Cells =
1
Settling Efficiency =
#NUM! #NUMI
Design Riser/Barrel Structures:
Riser Desion
Type of Riser: Concrete
- Rectangular
Top of Riser Base Elevation IN =
92.0
Elev. of Principal Spillway IN =
100.0
Riser Top Elevation Ift) =
97.0
Riser Height IN =
5.0
Outlets:
Outlet No. 1 (for Dewatering Dry Storage]:
Size: 6.0" Diam. For Skimmer From Above - Dewatering of Dry Storage
Invert
Elevation: 92.1 May Vary For Multiple Holes
Outlet No. 2 (Principal Spillway]:
Size: 4.0' Wide x 1.0' H Weir (x41
Invert
Elevation: 96.0
Concrete Riser Wall Thickness lin) =
6.0
Riser Inside Length Ift1=
5.0
Riser Inside Width Ift) =
5.0
Approx. Rect. Concrete Riser Interior Volume (cf) =
200 (Tap of Base to Principal Spillway)
Approx. Rect. Concrete Riser Vol. of Concrete (cf) =
88
Barrel Design:
Type of Barrel:
Concrete
Diameter (in)
18
Inv. In Elevation IN =
92.0
Inv. Out Elevation Iftl =
90.0
Length (fit) =
130.0
Slope (ft/ft) =
0.015
SMITH GARDNER
SMITH GARONER. IN 1 Barrow Area SED BASIN-GENERAL-Westside C&D LF Area 2

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
PROJECT Westside LCID Landfill SHEET 8/8
JOB# WILSON-22-4
SUBJECT Sediment Basin Analysis DATE 1 0 1900
COMPUTED BY 0
CHECKED BY 0
Riser Base Calculations:
Design Uplift Force:
Factor of Safety =
F lunadjusted) (lbs) _
Approx. Rect. Concrete Riser Buoyant Wt. (lbs) _
Buoyant Wt. of Riser Top Rbsl =
Buoyant Wt. of Surrounding Soil Acting on Ext. Base (lbs) _
Sliding Resistance of Surrounding Soil Rbsl =
F (adjusted) Rbsl _
Concrete Base:
Required Volume of Concrete (ft') _
Length (ft) _
Width [it) _
Thickness (ft) =
Actual Volume of Concrete (it'] _
Anti -Seepage Collar Calculations, (Alternatively - Design Filter Diaphragm)
Slope of Upstream Embankment (zH:1V1=
Slope of Outlet Pipe (ft/ft) _
L. (ft) =
Number of Collars:
Length of Each Collar (it) _
Width of Each Collar (ft) =
Collar Projection, P (ft) _
Spacing of Subsequent Anti -Seep Collars (ft) _
Emergency Spillway Calculations:
SUMMARY DATA:
Crest Elev. (ft) =
Required Freeboard (ft) _
Top of Berm Elev. (it) _
Required Capacity (cfs) =
Driving Head (ft) _
Weir Coefficient =
Length of Crest (ftl =
Design Crest Length (ftl =
Basin No.: Basin 7
Elev. of Bottom of Basin (it) =
Cleanout Elev. (ft) _
Elev. of Wet Storage (Permanent Pool] (ft) =
Elev. of Principal Spillway (it) =
Emergency Spillway Elev. (it) _
Top of Berm Elev. (it) _
Top of Berm Width (ftl =
Barrel Diameter (in) =
Barrel Slope (%) =
1.25
15,600
0
6,167 Factors in 80% of the Buoyant Weight of the Concrete Riser to Account for Outlets.
0
0
1,577 6' x 6' x 0.5' x Buoyant Wt. of Concrete (87.6 pcf)
1,440 3' Min. Depth At Outside Perimeter (24'1 x Base Protrusion 10.5'1 x Buoyant Wt. of Soil (40 pcfl
0
6,416
73.2
7.0
7.0
1.0 (Includes Concrete Infill Inside of Box)
49.0 No Good
3
0.015
37
2
4.0 From Design Chart Based on L. and No. of Collars
4.0 From Design Chart Based on L. and No. of Collars
1.25
18 = 14P
97.0
1.0
98.0
44.9 From HydroCAD
0.5 Assumed
3.0
42.3 Determine by Weir Equation'
44
• Length = 20 ft minimum.
98.0
99.2
NA
100.0
97.0
98.0
12
18
1.5
See Above for Riser and Other Design Information.
SMITH GARDNER
SMITH GARDNER. IN 1 Borrow Area SEED BASIN-GENERAL-Westside C&D LF Area 2

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
RESS I TEL I WEB
SMITH GAR D N E R 14 N. Boylan Avenue, Raleigh, NC 27603 919.828.0577 www.smithgardnerinc.com
PROJECT Westside LCID Landfill SHEET 1 OF 2 DATE 4/5/2023
COMPUTED BY SWH
SUBJECT Outlet Protection Analysis JOB # WILSON-22-4 CHECKED BY
OBJECTIVE: To design outlet protection for culverts and/or drainage channels based on the maximum flow from the
design storm. Rip rap aprons are applicable when the Froude Number (Fr) is less than or equal to 2.5
(Debo and Reese). For higher Froude Numbers, rip rap outlet basins, baffled outlets, and/or other
methods are more appropriate.
REFERENCES: Debo, T.N., and Reese, A.J. (1995), Municipal Storm Water Management, Lewis Publishers, Boca Raton,
FL, Section 8.11 - pp. 289-290; Section 12.6 - pp. 523-526.
Federal Highway Administration (2000), Hydraulic Design of Energy Dissipators for Culverts and Channels,
Hydraulic Engineering Circular No. 14, FHWA EPD-86-110, Metric Ed., U.S. Dept. of Transportation,
Washington, D.C.
North Carolina Division of Land Resources (2013 Updates), North Carolina Erosion & Sediment Control
Planning & Design Manual, Raleigh, NC.
ANALYSIS: For each outlet, determine the Froude Number (Fd based on the pipe Manning's number, diameter, slope,
and design discharge. Use the methods described in Section 8.11 of Debo and Reese. Select the method
of outlet protection, as appropriate, and perform design calculations.
Rip Rap Aprons:
If Fr < 2.5, a rip rap apron may be used. The following design approach is based on Section 12.6 of Debo
and Reese and Section 8.06 of the NC Erosion & Sediment Control Planning and Design Manual:
1. Determine the tailwater condition and select the appropriate design chart.
2• Using the appropriate design chart, determine the d50 rip -rap size and minimum apron length
(La) based on the maximum design flow (Q), flow depth (d), and/or velocity (v) (depending on
whether the pipe is flowing full or partially full).
3. Using the same chart, determine apron dimensions.
4. Determine the maximum stone diameter: dn,_ = 1.5 x d50
5. Determine the apron thickness:
Thickness = 1.5 x dm_ (No Filter Geotextile)
Thickness = 1.5 x d50 (With Filter Geotextile)
Other Methods:
If Fr > 2.5, consider the use of a rip rap basin, baffled outlet, or other device. Design method according to
FHA guidelines using HY8-Energy program (or other documented source).
SMITH GARNER, INC. OUTLET PROTECTION-Westside LCID

DocuSign Envelope ID: 24CC4O3E-EEOD-4C9F-B3DD-AB1848F544F6
PROJECT Westside LCID Landfill
SUBJECT Outlet Protection Analysis - Rip Rap Aprons (Circular Pipel
Rio Rao Aprons:
Outlet
SHEET 2/2
JOB # WILSON-22-4
DATE 4 5 2023
COMPUTED BY SWH
CHECKED BY
Basin SB-6
Basin SB-7
DI -A
Pipe Type:
Concrete
Concrete
Concrete
Manning's Coefficient:
0.012
0.012
0.012
Diameter (Do) (in) =
18
18
30
Slope (%) =
2.0
1.7
1.0
Design Discharge (cfs) =
0.2
14.8
24.0
Source of Discharge Data:
HydroCAD 25-Yr 24-Hr
HydroCAD 25-Yr 24-Hr
HydroCAD 25-Yr 24-Hr
K =
0.004
0.311
0.168
@(degrees)=
265
255
187
Flow Depth (d) (in) =
15.1
14.5
15.9
Flow Area (ft2l=
1.6
1.5
2.6
Flow Velocity (v) (ft/secl =
0.1
9.7
9.1
Froude Number=
0.02
1.56
1.40
Rip Rap Aprons Applicable?
Yes
Yes
Yes
Tailwater Condition (Low or HighV:
Low
Low
Low
d5o (ftl" =
0.50
0.50
0.50
dm_ (ft) =
0.75
0.75
0.75
Apron Thickness (XI (ftl:
-----
-----
-----
No Geotextile:
1.13
1.13
1.13
With Geotextile:
0.75
0.75
0.75
Apron Dimensions (ft):
-----
-----
-----
Length(Lal" =
12
14
12
Width (W) =
13.5
15.5
14.5
•Tailwater Conditions: Low: Tw<0.5Do; High: Tw>0.5Do
•: Value from Chart.
SMITH GARDNER
SMITH GARDNER, INC. Rip Rap Aprons (Circular Pipe) OUTLET PROTECTION-Westside LCID

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Appendices
3 D. ----7
10 20 50 100 200 500 1000
Discharge (ft3/sec)
Curves may not be extrapolated.
Figure 8.06a Design of outlet protection protection from a round pipe flowing full, minimum tailwater condition (TW < 0.5 diameter).
Rev. 12/93 8.06.3

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Appendix
Technical Specifications
Erosion and Sediment Control Plan
Westside LCIB Landfill
Wilson, North Carolina

DocuSign Envelope ID: 24CC4O3E-EEOD-4C9F-B3DD-AB1848F544F6
Technical Specifications
Erosion 6 Sediment Control Plan
Westside LCID Landfill
Prepared for:
Wilson County Solid Waste Services Department
Wilson, North Carolina
May 2023
SMITH4 GARDNER
14 N. Boylan Avenue, Raleigh NC 27603 1 919.828.0577
O 2023 Smith Gardner, Inc.
This document is intended for the sole use of the client for which it was prepared and
for the purpose agreed upon by the client and Smith Gardner, Inc.

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Section
02110
02222
02223
02270
02271
02275
02612
02930
Erosion and Sediment Control Plan
Westside LCID Landfill
Technical Specifications
Table of Contents
Specification
Site Preparation
Excavation
Embankment
Erosion and Sedimentation Control
Rip Rap
Rolled Erosion Control Products
CPE Pipe
Revegetation
ESC Plan- Westside LCID Landfill Technical Specifications
May 2D23 Table of Contents Page i

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
SECTION 02110
SITE PREPARATION
Site Preparation: Site Preparation includes clearing, grubbing, and stripping operations which
precede the proposed construction.
A. Description
1. General:
a. The Contractor shall furnish all labor, material, and equipment to complete Site
Preparation in accordance with the Contract Drawings and these Specifications.
b. Principal items of work include:
1. Notifying all authorities owning utility lines running to or on the property.
Protect and maintain all utility lines to remain and cap those that are not
required in accordance with instructions of the Utility Companies, and all
other authorities having jurisdiction.
2. Clearing the site within the clearing limits, including removal of grass,
brush, shrubs, trees, loose debris, and other encumbrances except for
trees to remain.
3. Boxing and protecting all areas to be preserved.
4. Removing all topsoil from designated areas and stockpiling on site
where directed by the Engineer for future use.
5. Disposing from the site all debris resulting from work under this Section.
2. Related Work:
Related Contract Work is described in the following sections of the Specifications:
Work Section
Excavation 02222
Erosion and Sedimentation Control 02270
B. Materials Not Used.
C. Submittals Not Used.
ESC Plan- Westside LCIO Landfill Technical Specifications
Mary 2023 Site Preparation Page 02110-1

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
D. Construction
Clearing of the Site:
Clearing limits, as shown on the Contract Drawings, shall be established by the
Contractor's Surveyor. Once established, the clearing limits shall be inspected
and approved by the Engineer prior to clearing the affected areas.
b. Before removal of topsoil, and start of excavation and grading operations, the
areas within the clearing limits shown on the Contract Drawings shall be cleared
and grubbed.
Clearing shall consist of cutting, removal, and satisfactory disposal of all trees,
fallen timber, brush, bushes, rubbish, fencing, and other perishable and
objectionable material.
Should it become necessary to remove a tree, bush, brush, or other plants
outside the clearing limits, the Contractor shall do so only after permission has
been granted by the Engineer.
In temporary construction easement locations, only those trees and shrubs shall
be removed which are in actual interference with excavation or grading work
under this Contract, and removal shall be subject to approval by the Engineer.
However, the Engineer reserves the right to order additional trees and shrubs
removed at no additional cost to the Owner, if such, in his opinion, they are too
close to the work to be maintained or have become damaged due to the
Contractor's operations.
Stripping and Stockpiling Existing Topsoil:
Existing topsoil and sod on the site within areas designated on the Contract
Drawings shall be stripped to whatever depth it may occur, and stored in
locations directed by the Engineer.
b. The topsoil shall be free of stones, roots, brush, rubbish, or other unsuitable
materials before stockpiling.
Care shall be taken not to contaminate the stockpiled topsoil with any unsuitable
materials.
Grubbing:
Grubbing shall consist of the removal and disposal of all stumps, roots, logs,
sticks, and other perishable materials to a depth of at least 6 inches below
ground surfaces.
b. Large stumps located in areas to be excavated may be removed during grading
operations, subject to the approval of the Engineer.
ESC Plan- Westside LCIO Landfill Technical Specifications
Mary 2023 Site Preparation Page 02110-2

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Disposal of Cleared and Grubbed Material:
No open burning of clearing debris will be allowed on this project. All trees, stumps,
roots, bushes, etc. shall be removed from the site and disposed in the on -site green
waste disposal area by the Contractor at no fee.
END OF SECTION
ESC Plan- Westside LCIO Landfill Technical Specifications
Mary 2023 Site Preparation Page 02110-3

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
SECTION 02222
EXCAVATION
Excavation: Excavation includes excavating, sealing, hauling, scraping, undercutting, removal of
accumulated surface water or ground water, stockpiling, and aLL necessary and incidental items as
required for bringing the soil borrow area and related structures to the specified lines and grades.
A. Description
General:
The Contractor shall furnish all labor, material, and equipment required to complete
Excavation of the soil borrow area and related structures in accordance with the Contract
Drawings and these Specifications, except as noted below:
Clearing and grubbing and removal of topsoil is addressed in Section 02110, Site
Preparation, of these Specifications.
Related Work:
Related Contract Work is described in the following sections of the Specifications:
Work Section
Site Preparation 02110
Erosion and Sedimentation Control 02270
3. Definitions:
Excavation: shall consist of the removal and satisfactory disposal and/or
stockpiling of all materials (borrow and/or unsuitable materials included) located
with the limits of construction including widening cuts and shaping of slopes
necessary for the preparation of roadbeds, slope areas, cutting of any ditches,
channels, waterways, entrances, and other work incidental thereto.
b. Borrow: shall consist of approved on -site material required for the construction
of embankments/fills or for other portions of the work.
Select Borrow (Where Applicable): shall consist of approved off -site material
required for the construction of embankments/fills, roadway subgrade,
backfilling, or for other portions of the work as shown on Contract Drawings or in
these Specifications. The Contractor shall make his own arrangements for
excavation and transport of select borrow from the off -site borrow area and pay
all costs involved.
Unsuitable Material: is any in -place or excavated material which contains
undesirable materials or is in a state which is not appropriate, in the opinion of
the CQA Engineer, for the intended use or support of planned structures,
ESC Plan- Westside LCIO Landfill Technical Specifications
May 2023 Excavation Page 02222-1

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
embankment, or excavation. This may include but not be limited to organic
material, waste/refuse, soft, or wet material not meeting required specifications,
etc.
Unsuitable Material Overexcavation: shall consist of the removal and
satisfactory disposal of all unsuitable material located within the limits of
construction and below subgrade elevations shown or indicated on the Contract
Drawings. Where excavation to the subgrade elevations results in a subgrade or
slopes of unsuitable material, the Contractor shall overexcavate such material to
below the grades shown or indicated on the Contract Drawings or as otherwise
directed by the Engineer and CQA Engineer.
Materials
Excavation shall include the removal of all soil, weathered rock, boulders, conduits, pipe,
unsuitable material, and all other obstacles encountered and shown or indicated on the Contract
Drawings and/or specified herein.
C. Submittals
The Contractor shall submit the following to the CQA Engineer before approval is given to
proceed:
Plans of open cut excavations showing side slopes and limits of the excavation at grade.
Descriptive information on Excavation equipment to be used.
D. Construction
The Contractor shall conduct Excavation activities in such a manner that erosion of
disturbed areas and off site sedimentation is absolutely minimized as outlined in Section
02270, Erosion and Sedimentation Control, of these Specifications.
The Contractor shall excavate to the lines and grades shown on the Contract Drawings
and stockpile all suitable excavated materials. As the excavation is made, the materials
will be examined and identified to the CQA Engineer.
The Contractor will perform all surveys necessary to establish and verify lines and
grades for all Excavation, including pipe excavations, soil overexcavation, and anchor
trenches.
Stockpiling_
The Contractor shall stockpile the materials in appropriate stockpiles as approved by the
CQA Engineer. The Contractor shall use equipment and methods as necessary to
maintain the moisture content of soils stockpiled (excluding topsoil) at or near their
optimum moisture content.
ESC Plan- Westside LCIO Landfill Technical Specifications
May 2023 Excavation Page 02222-2

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Stockpiles shall be properly sloped and the surfaces sealed by the Contractor at the end
of each working day, or during the day in the event of heavy rain, to the satisfaction of the
Engineer.
The Contractor shall protect all existing facilities and structures including, but not
limited to, existing utilities, monitoring wells, signs, grade stakes, etc. during the grading
and stockpiling operations.
All excavations shall be made in the dry and in such a manner and to such widths as will
give ample room for properly constructing and inspecting the structures and/or piping
they are to contain and for such sheeting, timbering, pumping, and drainage as may be
required.
The Contractor shall be responsible for the control of surface and subsurface water,
when necessary. Except for certain erosion and sedimentation control measures and
other areas designated to impound water, all areas shall be graded to drain.
Excavation slopes shall be flat enough to avoid sloughs and slides that will cause
disturbance of the subgrade or damage of adjacent areas. Slides and overbreaks which
occur due to negligence, carelessness, or improper construction techniques on the part
of the Contractor shall be removed and disposed of by the Contractor as directed by the
Engineer at no additional cost to the Owner.
The intersection of slopes with natural ground surfaces, including the beginning and
ending of cut slopes, shall be uniformly rounded. All protruding roots and other
vegetation shall be removed from slopes.
The bottom of all excavations for structures and pipes shall be examined by the CQA
Engineer for bearing value and the presence of unsuitable material. If, in the opinion of
the CQA Engineer, additional Excavation is required due to the low bearing value of the
subgrade material, or if the in -place materials are soft, yielding, pumping and wet, the
Contractor shall remove such material to the required width and depth and replace it
with thoroughly compacted structural fill, or material directed by the CQA Engineer. No
payment will be made for subgrade disturbance caused by inadequate Dewatering or
improper construction methods.
10. Any areas excavated below design subgrade elevations by the Contractor, unless directed
by the CQA Engineer, shall be brought back to design elevations at no cost to the Owner.
11. The Contractor shall dispose of excess or unsuitable excavation materials on -site at
Location(s) approved by the Owner.
12. The Contractor shall properly level -off bottoms of all excavations. Proof -rolling shall be
conducted with appropriate equipment.
13. Upon reaching subgrade elevations shown in excavation areas, the Contractor shall
scarify subgrade soils to a minimum depth of 6" and obtain the CQA Engineer's approval
of quality. If unsuitable materials are encountered at the subgrade elevation, perform
additional excavations as approved by the CQA Engineer to remove unsuitable materials.
ESC Plan- Westside LCIO Landfill Technical Specifications
May 2023 Excavation Page 02222-3

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
14. Overexcavation and Backfill:
Where subgrade materials are determined to be unsuitable, such materials shall
be removed by the Contractor to the lengths, widths, and depths approved by the
Engineer and CQA Engineer in advance and backfilled with compacted
Embankment in accordance with Section 02223, Embankment, of these
Specifications.
b. No additional payment will be made for such overexcavation and backfill 1 foot or
less than the finished subgrade (or pre-existing grades where pre-existing
grades are lower than finished subgrade) as this is considered superficial.
Where overexcavation of unsuitable material is greater than 1 foot beneath the
finished subgrade (or pre-existing grades where pre-existing grades are lower
than finished subgrade), payment shall be made on a unit price basis for
overexcavation and backfill and the measured quantity shall include the entire
excavation quantity below the finished subgrade (or pre-existing grades where
pre-existing grades are lower than finished subgrade) elevations. The unit price
for overexcavation and backfill shall include disposal of unsuitable materials.
15. All cuts shall be brought to the grade and cross section shown or indicated on the
Contract Drawings, or established by the Engineer, prior to final inspection.
16. The Contractor shall protect finished lines and grades of completed excavation against
excessive erosion, damage from trafficking, or other causes and shall repair any damage
at no additional cost to the Owner.
17. Trench Excavation:
a. All Excavation and trenching shall be done in strict accordance with these
Specifications, all applicable parts of the OSHA Regulations, 29 CFR 1926,
Subpart P, and other applicable regulations. In the event of any conflicts in this
information, safe working conditions as established by the appropriate OSHA
guidelines shall govern.
b. The minimum trench widths shall be as indicated on the Contract Drawings.
Enlargements of the trench shall be made as needed to give ample space for
operations at pipe joints. The width of the trench shall be limited to the
maximum dimensions shown on the Contract Drawings, except where a wider
trench is needed for the installation of and work within sheeting and bracing.
C. Except where otherwise specified, excavation slopes shall be flat enough to avoid
slides which will cause disturbance of the subgrade, damage to adjacent areas,
or endanger the lives or safety of persons in the vicinity.
d. Hand excavation shall be employed wherever, in the opinion of the Engineer, it is
necessary for the protection of existing utilities, poles, trees, pavements,
obstructions, or structures.
ESC Plan- Westside LCIO Landfill Technical Specifications
May 2023 Excavation Page 02222-4

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
No greater length of trench in any location shall be left open, in advance of pipe
laying, than shall be authorized or directed by the Engineer and, in general, such
length shall be limited to approximately one hundred (100) feet.
Pipe Bedding; All pipe bedding shall be as shown on the Contract Drawings,
unless otherwise specified herein, or shall be approved by the Engineer.
18. Sheeting and Bracing
The Contractor shall furnish, place, and maintain such sheeting and bracing
which may be required to support sides of Excavation or to protect pipes and
structures from possible damage and to provide safe working conditions in
accordance with current OSHA requirements. If the Engineer is of the opinion
that at any point sufficient or proper supports have not been provided, he may
order additional supports put in at the sole expense of the Contractor. The
Contractor shall be responsible for the adequacy of all sheeting and bracing used
and for all damage resulting from sheeting and bracing failure or from placing,
maintaining, and removing it.
b. The Contractor shall exercise caution in the installation and removal of sheeting
to insure that excessive or unusual loadings are not transmitted to any new or
existing structure. The Contractor shall promptly repair at his expense any and
all damage that can be reasonably attributed to sheeting installation or removal.
All sheeting and bracing shall be removed upon completion of the work.
19. If grading operations are suspended for any reason whatsoever, partially completed cut
and fill slopes shall be brought to the required slope and the work of seeding and
mulching or other required erosion and sedimentation control operations shall be
performed at the Contractor's sole expense.
END OF SECTION
ESC Plan- Westside LCIO Landfill Technical Specifications
May 2023 Excavation Page 02222-5

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
SECTION 02223
EMBANKMENT
Embankment: Embankment is the on -site compacted fill that provides the foundation and the berms
for the containment area, the subgrade for some access roadways and structures, and backfill around
structures and piping.
A. Description
General:
The Contractor shall furnish all labor, material, and equipment to complete Embankment
including borrowing, hauling, screening, discing, drying, compaction, control of surface
and subsurface water, final grading, sealing, and all necessary and incidental items as
detailed or required to complete the Embankment, all in accordance with the Contract
Drawings and these Specifications.
2. Related Work:
Related Contract Work is described in the following sections of the Specifications:
Work Section
Excavation 02222
Erosion and Sedimentation Control 02270
3. Reference Standards:
The latest revision of the following standards of the American Society of Testing and
Materials (ASTM) are hereby made a part of these Specifications.
ASTM D 698 Test Method for Laboratory Compaction Characteristics of Soil
Using Standard Effort (12,400 ft-lbf/ft3).
ASTM D 1556 Standard Test Method for Density and Unit Weight of Soil in
Place by the Sand -Cone Method.
ASTM D 2167 Standard Test Method for Density and Unit Weight of Soil in
Place by the Rubber Balloon Method.
ASTM D 2216 Standard Test Method for Laboratory Determination of Water
(Moisture) Content of Soil and Rock by Mass.
ASTM D 2487 Standard Practice for Classification of Soils for Engineering
Purposes (Unified Soil Classification System).
ASTM D 2488 Standard Practice for Description and Identification of Soils
(Visual -Manual Procedure).
ESC Plan- Westside LCIO Landfill Technical Specifications
May 2023 Embankment Page 02223-1

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
ASTM D 2937 Standard Test Method for Density of Soil in Place by the Drive
Cylinder Method.
ASTM D 2974 Standard Test Methods for Moisture, Ash, and Organic Matter of
Peat and Other Organic Soils.
ASTM D 4643 Standard Test Method for Determination of Water (Moisture)
Content of Soil by the Microwave Oven Method.
ASTM D 4959 Standard Test Method for Determination of Water (Moisture)
Content of Soil by Direct Heating Method.
ASTM D 6938 Standard Test Methods for In -Place Density and Water Content
of Soil and Soil -Aggregate in Place by Nuclear Methods (Shallow
Depth).
Quality Assurance:
Quality Assurance during placement of Embankment will be provided by the Owner.
Definitions:
Embankment: Shall include construction of all site earthwork including
roadways, subgrade, perimeter berm embankments, including preparation of the
areas upon which materials are to be placed. Embankment may also be referred
to as structural and/or controlled fill. All Embankment materials may be either
(off -site) Select Borrow or (on -site) Borrow unless otherwise noted on Contract
Drawings or specified by the Engineer.
b. Prepared Subgrade: The ground surface after clearing, grubbing, stripping,
excavation, scarification, and/or compaction, and/or proof rolling to the
satisfaction of the CQA Engineer.
Well -Graded: A mixture of particle sizes that has no specific concentration or
lack thereof of one or more sizes. Well -graded does not define any numerical
value that must be placed on the coefficient of uniformity, coefficient of
curvature, or other specific grain size distribution parameters. Well -graded is
used to define a material type that, when compacted, produces a strong and
relatively incompressible soil mass free from detrimental voids.
Unclassified Fill: The nature of materials to be used is not identified or described
herein but must be approved by the Engineer prior to use.
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May 2023 Embankment Page 02223-2

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Materials
Embankment materials shall consist of clean well -graded natural soil classified as SP,
SW, SM, SC, ML, or CL (ASTM D 2487) containing no topsoil or other deleterious material.
Other material classifications may be approved by the Engineer.
Stones or rock fragments shall not exceed one half the maximum lift thickness as
compacted in any dimension. Isolated rocks shall be a maximum of 24-inches in any
dimension.
C. Submittals
The Contractor shall submit the following to the CQA Engineer:
Information on equipment to be used for construction of Embankment.
Descriptive information on the location and source of any off -site borrow material to be
used for Embankment, where applicable. Information shall include Standard Proctor
curves (ASTM D698) for each borrow material.
D. Construction
The Contractor shall conduct Embankment activities in such a manner that erosion of
disturbed areas and off -site sedimentation is absolutely minimized as outlined in Section
02270, Erosion and Sedimentation Control, of these Specifications.
All placement and compaction of Embankment shall be performed only when the CQA
Engineer is informed by the Contractor of intent to perform such work.
Embankment shall be placed and compacted to the lines and grades shown on the
Contract Drawings. Placement of Embankment outside the construction limits shall
occur only as directed and approved by the Engineer.
The Contractor will perform all surveys necessary to establish and verify lines and
grades for all Embankment.
The Contractor shall protect all existing facilities including, but not limited to, utilities
and monitoring wells.
Subgrade Preparation:
The CQA Engineer shall inspect the exposed subgrade prior to placement of
Embankment to assure that all rocks, topsoil, vegetation, roots, debris, or other
deleterious materials have been removed.
b. Prior to placement of Embankment, the exposed subgrade shall be proofrolled
using a static smooth -drum roller, Loaded tandem axle dump truck, or other
suitable equipment in the presence of the CQA Engineer. Any soft or unsuitable
ESC Plan- Westside LCIO Landfill Technical Specifications
May 2023 Embankment Page 02223-3

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
materials revealed before or during the in -place compaction shall be removed as
directed by the CQA Engineer and replaced with suitable Embankment.
Surfaces on which Embankment is to be placed, shall be scarified or stepped in a manner
which will permit bonding of the Embankment with the existing surface.
The Contractor shall be responsible for preparing the materials for the Embankment,
including but not limited to, in -place drying or wetting of the soil necessary to achieve the
compaction criteria of these Specifications.
The Contractor shall be responsible for the control of surface and subsurface water,
when necessary. Except for certain erosion and sedimentation control measures and
other areas designated to impound water, all areas shall be graded to drain.
Embankment materials shall be placed in a manner permitting drainage and in
continuous, approximately horizontal layers.
10. Compaction Requirements:
The Contractor shall compact Embankment in accordance with the requirements
shown in Table 1 of this section. If Embankment does not meet the specified
requirements, the Contractor shall rework the material, as may be necessary
and continue compaction to achieve these requirements, or remove and replace
the material to achieve the specified requirements, at Contractor's expense.
b. Each lift shall be compacted prior to placement of succeeding lifts. In confined
areas, mechanical equipment, suitable for small areas and capable of achieving
the density requirements, shall be required.
Lift compaction shall be performed with an appropriately heavy, properly
ballasted, penetrating -foot or smooth -drum vibratory compactor depending on
soil type. Compaction equipment shall be subject to approval by the CQA
Engineer.
11. Embankment that becomes excessively eroded, soft, or otherwise unsuitable shall be
removed or repaired by the Contractor as directed by the CQA Engineer, at no cost to the
Owner.
12. The exposed surface of Embankment shall be rolled with a smooth -drum roller at the
end of each work day to protect from adverse weather conditions.
13. Where Embankment is to be placed and compacted on slopes that are steeper than
3H:1V, the subgrade shall be benched to a minimum depth of 6 inches and the
Embankment shall be placed in horizontal lifts.
14. Backfilling for Structures and Piping_
All structures, including manholes and pipes shall be backfilled with
Embankment as shown in the Contract Drawings and as described in these
Specifications.
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May 2023 Embankment Page 02223-4

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
b. Where sheeting is used, the Contractor shall take all reasonable measures to
prevent loss of support beneath and adjacent to pipes and existing structures
when sheeting is removed. If significant volumes of soil cannot be prevented
from clinging to the extracted sheets, the voids shall be continuously backfilled
as rapidly as possible. The Contractor shall thereafter limit the depth below
subgrade that sheeting will be driven in similar soil conditions or employ other
appropriate means to prevent loss of support.
When backfilling around structures, do not backfill until concrete has sufficiently
cured (as determined by the CQA Engineer) and is properly supported. Place
backfill in a manner to avoid displacement or damage of structures.
ESC Plan- Westside LCIO Landfill Technical Specifications
May 2023 Embankment Page 02223-5

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Table 1: Required Embankment Properties
Required %
Maximum Lift
Item
Standard
Required Moisture
Thickness
Proctor
Content3
(Compacted)
(ASTM D698112
(inches)
Embankment Beneath
100
+/- 2% of Optimum
8
Structures and Roads'
(std. Proctor)
Embankment
95
As Required for
8
Backfill Around Structures
95
8
Compaction
Backfill in Pipe Trenches
95
6
Unclassified Fill
N/A
N/A
N/A
Nntas-
1. Embankment beneath structures shall be considered to include a zone 10 feet out from
the foundation of the structure extending down to the natural ground on a 45' slope.
Embankment beneath roads shall be considered to include all embankment placed
within 3 vertical feet of the final wearing surface and shall also include shoulders.
2. Determine field density using ASTM D 6938, ASTM D 1556, ASTM D 2167, or ASTM D 2937.
3. Determine field moisture content using ASTM D 6938, ASTM D 2216, ASTM D 4643, or
ASTM D 4959.
4. The Engineer may allow exceptions to the above criteria for areas outside of the
containment area which are not subject to significant long-term loads.
END OF SECTION
ESC Plan- Westside LCIO Landfill Technical Specifications
May 2023 Embankment Page 02223-6

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
SECTION 02270
EROSION AND SEDIMENTATION CONTROL
Erosion and Sedimentation Control: Erosion and Sedimentation Control is a system of construction
and engineered measures (devices, structures, practices, etc.) which act to minimize surface water
induced erosion of disturbed areas and the resulting off -site sedimentation.
A. Description
(;cnornl-
The Contractor shall furnish all labor, material, and equipment to complete installation
of and maintain Erosion and Sedimentation Control measures and related work in
accordance with the Contract Drawings and these Specifications.
All Erosion and Sedimentation Control work shall be in accordance with the latest edition
of the North Carolina Erosion and Sediment Control Planning and Design Manual as well
as applicable regulations.
2. Related Work:
Related Contract Work is described in the following sections of the Specifications:
Work Section
Geotextiles
02240
Rip Rap
02271
Rolled Erosion Control Products
02275
Revegetation
02930
3. Reference Standards:
The latest revision of the following standards of the American Society of Testing and
Materials (ASTM) are hereby made a part of these specifications.
ASTM D 3786 Test Method for Hydraulic Bursting Strength of Knitted Goods
and Nonwoven Fabrics: Diaphragm Bursting Strength Tester
Method.
ASTM D 4355 Standard Test Method for Deterioration of Geotextiles from
Exposure to Ultraviolet Light and Water (Xenon -Arc Type
Apparatus).
ASTM D 4491 Standard Test Methods for Water Permeability of Geotextiles by
Permittivity.
ESC Plan- Westside LCIO Landfill Technical Specifications
May 2023 Erosion and Sedimentation Control Page 02270-1

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
ASTM D 4533
ASTM D 4632
ASTM D 4751
ASTM D 4833
B. Materials
Standard Test Method for Trapezoid Tearing Strength of
Geotextiles.
Standard Test Method for Grab Breaking Load and Elongation of
Geotextiles.
Standard Test Method for Determining Apparent Opening Size of
a Geotextile.
Standard Test Method for Index Puncture Resistance of
Geotextiles, Geomembranes, and Related Products.
Permanent Sediment Basins:
Permanent sediment or detention basins shall be constructed as shown on the Contract
Drawings.
2. Permanent Drainage Channels, Diversions, Swales, and Ditches:
Permanent drainage channels, diversions, swales, and ditches shall be constructed as
shown on the Contract Drawings.
3. Silt Fence:
Silt fences shall be constructed as shown on the Contract Drawings and as needed,
based on the Contractor's discretion and Engineer's approval. The silt fence is a
permeable barrier erected within and downgradient of small disturbed areas to capture
sediment from sheet flow. It is made of filter fabric buried at the bottom, stretched, and
supported by posts and wire mesh backing. Silt fence shall conform to the following
properties:
a. Posts: Posts shall be 1.33 lb/linear foot steel (preferred) or wood with a
minimum length of 5 feet. Steel posts shall be "U" or "T"-type. Wood posts shall
have a minimum diameter of 4-inches.
b. Filter Fabric: Filter fabric shall be a woven geotextile made specifically for
sediment control. Filter fabric shall conform to the properties listed in Table 1 of
this section.
4. Down Pipes:
Down pipes shall conform to the requirements of Section 02612, CPE Pipe, of these
Specifications and be constructed as shown on the Contract Drawings.
ESC Plan- Westside LCIO Landfill Technical Specifications
May 2023 Erosion and Sedimentation Control Page 02270-2

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
5. Rip Ram
Rip Rap shall conform to the requirements of Section 02271, Rip Rap, of these
Specifications.
6. Rolled Erosion Control Products (RECPs):
Rolled Erosion Control Products (RECPs) shall conform to the requirements of Section
02275, Rolled Erosion Control Products, of these Specifications.
Other Work:
In addition to the Erosion and Sedimentation Control measures shown on the Contract
Drawings, the Contractor shall provide adequate means to prevent any sediment from
entering any ditches, streams, or bodies of water downstream of any area disturbed by
construction. Excavation materials shall be placed upstream of any trench or other
excavation to prevent sedimentation of off -site areas. In areas where a natural buffer
area exists between the work area and the closest stream or water course, this area
shall not be disturbed. All paved areas shall be scraped and swept as necessary to
prevent the accumulation of dirt and debris. Work associated with this provision shall be
considered incidental to the project and no separate payment will be made.
TemDorary and Permanent Ground Cover:
The Contractor shall provide temporary or permanent ground cover (or other acceptable
measure(s)) adequate to restrain erosion on erodible slopes or other areas within 21
calendar days following completion of any phase of grading. The Contractor shall provide
permanent ground cover for all disturbed areas within 15 working days or 90 calendar
days (whichever is shorter) following the completion of construction.
C. Submittals
The Contractor shall submit the following to the Engineer:
Submit a certification and summary of all required test results, prior to installation, that
all Erosion and Sedimentation Control materials manufactured for the project have been
produced in accordance with these Specifications.
Furnish copies of the delivery tickets or other approved receipts as evidence for
materials received that will be incorporated into construction.
Construction
Establishment of Erosion and Sedimentation Control Measures:
All Erosion and Sedimentation Control measures will be constructed according
to the Contract Drawings and these Specifications.
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May 2023 Erosion and Sedimentation Control Page 02270-3

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
b. Due to the nature of the work required by this Contract, it is anticipated that the
location and nature of the Erosion and Sedimentation Control measures may
need to be adjusted to reflect the current phase of construction.
C. Erosion and Sedimentation Control measures shall be established prior to the
work in a given area. Where such practice is not feasible, the Erosion and
Sedimentation Control measure(s) shall be established immediately following
completion of the clearing operation.
d. The construction schedule adopted by the Contractor will impact the placement
and need for specific measures required for the control of erosion. The
Contractor shall develop and implement such additional techniques as may be
required to minimize erosion and prevent or correct the discharge of sediment
outside the limits of construction (unless controlled by other on -site measure(s)).
e. The location and extent of Erosion and Sedimentation Control measures shall be
revised at each phase of construction that results in a change in either the
quantity or direction of surface runoff from construction areas. All deviations
from the control provisions shown on the Contract Drawings shall have the prior
approval of the Engineer.
Inspection and Maintenance of Erosion and Sedimentation Control Measures:
The Contractor shall furnish the labor, material, and equipment required for the
inspection and maintenance of all Erosion and Sedimentation Control measures.
Maintenance shall be scheduled as required for a particular measure to
maintain the removal efficiency and intent of the measure.
b. All Erosion and Sedimentation Control measures shall be inspected at least once
every seven calendar days and within 24 hours after any storm event of greater
than 0.5 inches of rain per 24 hour period and appropriate maintenance
conducted. A rain gauge shall be maintained on the site and a record of the
rainfall amounts and dates shall be kept properly.
C. Maintenance shall include, but not be limited to:
(1) The removal and satisfactory disposal of trapped or deposited sediments
from basins, traps, barriers, filters, and/or drainage features/devices;
(2) Replacement of filter fabrics used for silt fences upon loss of efficiency;
and
(3) Replacement of any other components which are damaged or cannot
serve the intended use.
The Contractor shall accept and maintain any existing sediments that are
included in existing sediment basins and traps that accept or will accept
stormwater flow and or sediment accumulation from all areas within the
Contractor's limits of construction.
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May 2023 Erosion and Sedimentation Control Page 02270-4

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Sediments removed from Erosion and Sedimentation Control measures shall be
disposed of in locations that will not result in off -site sedimentation as approved
by the Engineer.
All Erosion and Sedimentation Control measures shall be maintained to the
satisfaction of the Engineer until the site has been stabilized.
Graded Slopes and Fills:
The angle for graded slopes and fills shall be no greater than the angle that can be
retained by vegetated cover or other adequate measures.
Finish Grading:
All disturbed areas shall be uniformly graded to the lines, grades, and elevations shown
on the Contract Drawings. Except for certain erosion and sedimentation control
measures and other areas designated to impound water, all areas shall be graded to
drain. Finished surfaces shall be reasonably smooth, compacted, and free from irregular
surface changes. Unless otherwise specified, the degree of finish shall be that ordinarily
obtainable from either blade or scraper operations. Areas shall be finished to a
smoothness suitable for application of topsoil.
Revegetation:
Revegetation shall conform to the requirements of Section 02930, Revegetation, of these
Specifications.
Cleanup:
The Contractor shall remove from the site all subsoil excavated from his work
and all other debris including, but not limited to, branches, paper, and rubbish in
all landscape areas, and remove temporary barricades as the work proceeds.
b. All areas shall be kept in a neat, orderly condition at all times. Prior to final
acceptance, the Contractor shall clean up the entire landscaped area to the
satisfaction of the Engineer.
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May 2023 Erosion and Sedimentation Control Page 02270-5

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Table 1: Required Silt Fence Filter Fabric Properties
Property
Test Method
FlUnits
Value'
Grab Tensile Strength'
ASTM D 4632
lbs
90 x 90
Grab Elongation
ASTM D 4632
%
20 (Max.)
Ultraviolet Resistance (500 hrs)
ASTM D 4355
%
80
Apparent Opening Size (AOS)
ASTM D 4751
U.S. Sieve
30+
Permittivity
ASTM D 4491
sec-'
0.05
Notes:
1. Minimum Average Roll Value (MARV).
2. Values for machine and cross machine direction (MD x XD), respectively.
END OF SECTION
ESC Plan- Westside LCIO Landfill Technical Specifications
May 2023 Erosion and Sedimentation Control Page 022?0-6

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
SECTION 02271
RIP RAP
Rip Rap This section includes all rip rap aprons and channel protection.
A. Description
1. General:
The Contractor shall furnish all labor, material, and equipment to complete installation
of Rip Rap for protection of earthen slopes against erosion as indicated, including all
necessary and incidental items, in accordance with the Contract Drawings and these
Specifications.
2. Related Work:
Related Contract Work is described in the following sections of the Specifications:
Work Section
Geotextiles 02240
Erosion and Sedimentation Control 02270
3. Reference Standards:
The latest revision of the following standards of the North Carolina Department of
Transportation (NCDOT) are hereby made a part of these Specifications.
NCDOT Standard Specifications for Roads and Structures.
B. Materials
1. Rip Rap: Rip Rap shall be of the size indicated on the Contract Drawings and shall
conform to NCDOT Section 1042, Rip Rap Materials.
2. Geotextiles: Geotextiles shall conform to the requirements outlined in Section 02240,
Geotextiles, of these Specifications.
C. Submittals
The Contractor shall submit the following to the Engineer:
1. Submit a certification and summary of all required test results prior to installation, that
all Rip Rap has been produced in accordance with these Specifications.
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May 2023 Rip Rap Page 02271-1

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Furnish copies of the delivery tickets or other approved receipts as evidence for
materials received that will be incorporated into construction.
Construction
Surface Preparation:
a. Trim and dress all areas to conform to the Contract Drawings as indicated with
tolerance of 2 inches from theoretical slope lines and grades.
b. Bring areas that are below allowable minimum tolerance limit to grade by filling
with compacted Embankment material similar to adjacent material.
C. Geotextiles shall be placed as shown on the Contract Drawings and in
accordance with Section 02240, Geotextiles, of these Specifications.
d. Do not place any stone material on the prepared surface prior to inspection and
approval to proceed from the Engineer.
Placing Rip Ram
Rip Rap shall be placed in accordance with NCDOT Section 876, Rip Rap.
END OF SECTION
ESC Plan- Westside LCIO Landfill Technical Specifications
May 2023 Rip Rap Page 02271-2

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
SECTION 02275
ROLLED EROSION CONTROL PRODUCTS
Rolled Erosion Control Products: Rolled Erosion Control Products (RECPs) include erosion control
blankets (ECB), and turf reinforcement mats (TRM) placed in channels and on slopes.
A. Description
General:
The Contractor shall furnish all labor, material, and equipment to complete installation
of all RECPs in accordance with the Contract Drawings and these Specifications.
2. Related Work:
Related Contract Work is described in the following sections of the Specifications:
Work Section
Erosion and Sedimentation Control 02270
Revegetation 02930
3. Reference Standards:
The latest revision of the following standards of the American Society of Testing and
Materials (ASTM) are hereby made a part of these specifications.
ASTM D 4355
Standard Test Method for Deterioration of Geotextiles from
Exposure to Ultraviolet Light and Water (Xenon -Arc Type
Apparatus).
ASTM D 6475
Standard Test Method for Measuring Mass per Unit Area of
Erosion Control Blankets.
ASTM D 6524
Standard Test Method for Measuring the Resiliency of Turf
Reinforcement Mats.
ASTM D 6525
Standard Test Method for Measuring Nominal Thickness of
Permanent Erosion Control Products.
ASTM D 6566 Standard Test Method for Measuring Mass per Unit Area of Turf
Reinforcement Mats.
ASTM D 6818 Standard Test Method for Ultimate Tensile Properties of Turf
Reinforcement Mats.
ESC Plan- Westside LCIO Landfill Technical Specifications
May 2023 Rolled Erosion Control Products Page 02275-1

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
B. Materials
General:
The materials supplied under these Specifications shall consist of new, first -quality
products designed and manufactured specifically for the purpose of this work, which
shall have been satisfactorily demonstrated, by prior use, to be suitable and durable for
such purposes.
Labels on each RECP shall identify the length, width, product name, and name of
Manufacturer.
2. Erosion Control Blanket (ECB):
ECB (single net) shall consist of a machine -produced mat of straw or wood excelsior
fiber covered on the top side with a photodegradable extruded plastic or woven
biodegradable netting and sewn together with degradable thread. ECB (single net) shall
also conform to the properties listed in Table 1 of this section. ECB (single net) shall be
EroNet 575, as manufactured by North American Green, CURLEX I, as manufactured by
American Excelsior Company, LANDLOK S1, as manufactured by Propex GeoSolutions, or
approved equal.
3. Turf Reinforcement Mat (TRM) (Type 1):
TRM (Type 1) shall consist of a dense web of crimped and interlocking polypropylene
fibers positioned between two biaxially oriented nets and mechanically bound together by
parallel stitching with polypropylene thread. TRM (Type 1) shall be designed to
accelerate seedling emergence, exhibit high resiliency, and possess strength and
elongation properties to limit stretching in a saturated condition. TRM (Type 1) shall be
stabilized against chemical and UV degradation which are normally found in a natural soil
environment and shall have no biodegradable components. TRM (Type 1) shall also
conform to the properties listed in Table 1 of this section. TRM (Type 1) shall be
LANDLOK 435, as manufactured by Propex GeoSolutions, or approved equal.
4. Anchors: Anchors for RECPs shall consist of machine made staples of No. 8 gauge new
steel wire formed into a "U" shape. The size when formed shall be not less that 8 inches
in length with a throat of not less than 1 inch in width. Longer anchors may be required
for loose soils. Other anchors, such as metal pins or plastic pegs, may also be used if
approved in advance by the Engineer.
C. Submittals
The Contractor shall submit the following to the Engineer:
Mill Certificate and Sample: Prior to shipping to the site, the Contractor shall submit a
mill certificate or affidavit signed by a legally authorized official of the Manufacturer for
each RECP attesting that each RECP meets the physical and manufacturing
requirements stated in these Specifications. The Contractor shall also submit a sample
of each RECP to be used. The sample shall be labeled with the product name and be
accompanied by the Manufacturer's specifications.
ESC Plan- Westside LCIO Landfill Technical Specifications
May 2023 Rolled Erosion Control Products Page 02275-2

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Installation Guidelines/Instructions: The Manufacturer's guidelines/instructions for
installation shall be submitted for review.
3. Furnish copies of delivery tickets or other approved receipts as evidence for materials
received that will be incorporated into the construction.
I Construction
Shipping, Handling, and Storage:
All RECPs shall be shipped, handled, and stored in strict accordance with the
Manufacturer's recommendations.
Installation - General:
a. Placing of RECPs shall be done immediately following seeding. Seeding shall be
performed in accordance with Section 02930, Revegetation, of these
Specifications.
b. RECPs shall be placed to the lines and grades shown on the Contract Drawings.
The earth surface shall be smooth and free from stones, clods, or debris which
will prevent the contact of the RECP with the soil. Care shall be taken to
preserve the required line, grade, and cross section of the area.
C. RECPs shall be unrolled in the direction of the flow of water and shall be applied
without stretching so that it will lie smoothly but loosely on the soil surface.
d. At the time of installation, RECPs shall be rejected, if they have defects, rips,
holes, flaws, evidence of deterioration, or other damage.
e. The Engineer may require adjustments in the installation requirements to fit
individual conditions.
Installation - Channels:
RECPs installed in channels shall be unrolled parallel to the direction of water flow. The
first roll shall be centered longitudinally in the channel and anchored with staples.
Subsequent rolls shall be installed outward to the edges of the channel and be lapped to
allow installation of a common row of anchors. RECP ends shall be overlapped with the
upstream ends on top ("shingled"). Refer to the Contract Drawings and/or the
Manufacturer's installation guidelines/instructions for installation details.
Installation - Slopes:
RECPs installed on slopes shall be oriented in vertical strips and anchored. Subsequent
rolls shall be installed outward to the edge(s) of the original roll and be lapped to allow
installation of a common row of anchors. RECP ends shall be shingled. Refer to the
Contract Drawings and/or the Manufacturer's installation guidelines/instructions for
installation details.
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May 2023 Rolled Erosion Control Products Page 02275-3

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Maintenance:
Maintenance of RECPs shall be in accordance with Section 02270, Erosion and
Sedimentation Control, of these Specifications.
Table 1: Required Rolled Erosion Control Product Properties
Property
Test Method
Units
Value'
Erosion Control Blanket (ECB) (Single Net)
Mass per Unit Area
ASTM D 6475
lbs/yd2
0.5 + 10%
(Straw)
0.7 + 10 /o
(Excelsior)
Tensile Strength'
ASTM D 6818
lbs/ft
50 x 65
Tensile Elongation
ASTM D 6818
%
20
Maximum Permissible Shear
Stress (Un-Vegetated)
-----
lbs/ft2
1.55
Functional Longevity
-----
months
12
Turf Reinforcement Mat (TRM)
Mass per Unit Area
ASTM D 6566
oz/yd2
8
Thickness
ASTM D 6525
inches
0.35
Tensile Strength'
ASTM D 6818
lbs/ft
225 x 175
Tensile Elongation
ASTM D 6818
%
50 (max.)
Resiliency
ASTM D 6524
%
80
UV Resistance (1,000 Hours)
ASTM D 4355
%
80
Maximum Permissible Shear
Stress (Long -Term Vegetated)
Large Scale
lbs/ft2
5
Nntas-
Typical for ECB; Minimum Average Roll Value (MARV) for TRIM and HPTRM.
Values for machine and cross machine direction (MD x XD), respectively.
END OF SECTION
ESC Plan- Westside LCID Landfill Technic@( Specifications
May 2023 Rolled Erosion Control Products Page 02275-4

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
SECTION 02612
CORRUGATED POLYETHYLENE (CPE) PIPE
[Corrugated Pol eth lene (CPE Pi e: CPE Pipe is used in various drainage applications.
A. Description
1. General:
The Contractor shall furnish labor, material, and equipment to complete installation of
CPE Pipe in accordance with the Contract Drawings and these Specifications.
RPlatpd Wnrk-
Related Contract Work is described in the following sections of the Specifications:
Work Section
Erosion & Sedimentation Control 02270
Storm Water Systems 02720
Reference Standards:
The latest revision of the following standards of the American Society of Testing and
Materials (ASTM) and the American Association of State Highway and Transportation
Officials (AASHTO) are hereby made a part of these specifications.
ASTM D 2321 Standard Practice for Underground Installation of Thermoplastic
Pipe for Sewers and Other Gravity -Flow Applications.
AASHTO M 252 Specification for Corrugated Polyethylene Drainage Tubing, 3 to
10 Inch Diameter.
AASHTO M 294 Specification for Corrugated Polyethylene Pipe, 12 to 36 Inch
Diameter.
B. Materials
All CPE Pipe shall be of the size indicated on the Contract Drawings and have either
smooth (AASHTO "Type S" or "Type SPI or corrugated (AASHTO "Type C" or "Type CPI
interior walls and outer corrugated walls with either annular or spiral corrugations.
Unless shown specifically on the Contract Drawings as "Type C" or "Type CP-, all CPE
Pipe shall be "Type S" (where solid pipe is required) or "Type SP" (where perforated pipe
is required).
All CPE Pipe shall meet the requirements of AASHTO M 252 (3 to 10 inch diameter) or
AASHTO M 294 (12 to 36 inch diameter).
ESC Plan- Westside LCIO Landfill Technical Specifications
May 2023 CPE Pipe Page 02612-1

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Visible defects, such as cracks, creases, crazing, non -uniformly pigmented areas, or
undispersed raw materials shall not be acceptable and will result in rejection of the pipe
by the CQA Engineer.
Pipe Perforations: Perforations in CPE Pipe shall meet AASHTO criteria.
CPE Pipe fittings and couplings shall provide sufficient longitudinal strength to preserve
pipe alignment and prevent separation at the joints. Only fittings and couplings supplied
or recommended by the pipe manufacturer shall be used. Unless otherwise shown or
indicated, all joints for "Type S" pipe shall be soil -tight.
C. Submittals
The Contractor shall submit the following to the CQA Engineer:
Submit a certification prior to installation that all CPE Pipe manufactured for the project
has been produced in accordance with these Specifications.
Submit a copy of the CPE Pipe Manufacturer's recommendations for shipping, handling,
and storage of pipe.
Furnish copies of the delivery tickets or other approved receipts as evidence for
materials received that will be incorporated into construction.
Construction
Shipping , Handling, and Storage:
All CPE Pipe shall be shipped, handled, and stored in strict accordance with the
Manufacturer's recommendations.
CPE Pipe Installation:
The Contractor shall install CPE Pipe to the lines and grades shown on the
Contract Drawings. If not shown, a 1% minimum fall is required toward all
outlets. Line and grade of piping shall be maintained with laser or approved
equivalent. The Contractor shall give the CQA Engineer sufficient notice so that
he may observe field location and installation activities.
b. Installation of CPE Pipe shall be in accordance with ASTM D 2321 and following
the recommendations of the Plastics Pipe Institute.
Perforated CPE Pipe shall be placed where shown or indicated on the Contract
Drawings.
ESC Plan- Westside LCIO Landfill Technical Specifications
May 2023 CPE Pipe Page 02612-2

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
Cleaning:
All CPE Pipe shall be cleaned of any accumulation of silt, debris, or foreign matter of any
kind and shall be kept clear of such accumulation until final acceptance of the work.
All waste materials removed during installation of CPE Pipe shall be disposed of on site
in the active lined landfill as directed by the Owner and Engineer. The Contractor shall
weigh waste materials at the facility scales prior to disposal. No tipping fee will be
charged to the Contractor for disposal of these wastes.
END OF SECTION
ESC Plan- Westside LCIO Landfill Technical Specifications
May 2023 CPE Pipe Page 02612-3

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
SECTION 02930
REVEGETATION
Revegetation: Revegetation includes permanent Revegetation of all site areas disturbed by the
Contractor whether inside the Contract Limits or not.
A. Description
General:
The Contractor shall furnish all labor, material, and equipment to complete Revegetation
in accordance with the Contract Drawings and these Specifications.
Related Work:
Related Contract Work is described in the following sections of the Specifications:
Work Section
Erosion and Sedimentation Control 02270
Correction Period:
The Contractor shall be responsible for the satisfactory establishment and growth of a
permanent stand of vegetation as judged by the Engineer. During this period, the
Contractor shall be responsible for the maintenance items described in Paragraph D.4
(Maintenance) of this Specification.
B. Materials
Limestone: Unless otherwise defined by specific soil tests, supply agricultural grade
ground limestone conforming to the current "Rules, Regulations, and Standards of the
Fertilizer Board of Control."
Fertilizer: Unless otherwise defined by specific soil tests, supply commercial fertilizer of
10-20-10 analysis, meeting applicable requirements of State and Federal law. Do not use
cyanamic compounds of hydrated lime. Deliver fertilizer in original containers labeled
with content analysis.
Grass Seed: Supply fresh, clean, new -crop seed. Do not use seed which is wet, moldy, or
otherwise damaged. Deliver seed in standard sealed containers labeled with producer's
name and seed analysis, and in accord with US Department of Agriculture Rules and
Regulations under Federal Seed Act.
Mulch: Supply clean, seed -free, threshed straw of oats, wheat, barley, rye, beans, or
other locally available mulch material.
ESC Plan- Westside LCIO Landfill Technical Specifications
May 2023 Revegetation Page 02930-1

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
a. Do not use mulch containing a quantity of matured, noxious weed seeds or other
species that will be detrimental to seeding, or provide a menace to surrounding
land.
b. Do not use mulch material which is fresh or excessively brittle, or which is
decomposed and will smother or retard growth of grass.
5. Binder: Supply emulsified asphalt or synthetic binder.
6. Water: Supply potable, free of substances harmful to growth.
7. Application rates, seed types, and other requirements shall be in accordance with the
Erosion & Sedimentation Control Drawings.
C. Submittals
The Contractor shall submit the following to the Engineer:
Results of soil tests performed and proposed modifications, if any, to the specified
requirements.
2. Certificates for each grass seed mixture, stating botanical and common name,
percentage by weight, and percentages of purity, germination, and weed seed. Certify
that each container of seed delivered is fully labeled in accordance with Federal Seed Act
and equals or exceeds specification requirements.
3. Copies of invoices for fertilizer, showing grade furnished and total quantity applied.
D. Construction
The Contractor shall establish a smooth, healthy, uniform, close stand of grass from the
specified seed. Prior to Revegetation, the Contractor shall adequately test the soils to be
revegetated to ensure the adequacy of the specified requirements. Any modifications to
these requirements deemed necessary after the review of soil test results, shall be at the
Contractor's sole expense. The Engineer will perform the observations to determine
when successful Revegetation is achieved.
2. Soil Preparation:
a. Limit preparation to areas which will be planted soon after preparation.
b. Loosen surface to minimum depth of four (4) inches.
C. Remove stones, sticks, roots, rubbish and other extraneous matter over three (3)
inches in any dimension.
d. Spread lime uniformly over designated areas at the rate specified in the Erosion
& Sedimentation Control Drawings.
ESC Plan- Westside LCIO Landfill Technical Specifications
May2023 Revegetation Page02930-2

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
e. After application of lime, prior to applying fertilizer, loosen areas to be seeded
with double disc or other suitable device if soil has become hard or compacted.
Correct any surface irregularities in order to prevent pocket or low areas which
will allow water to stand.
f. Distribute fertilizer uniformly over areas to be seeded at the rate specified in the
Erosion & Sedimentation Control Drawings.
(1) Use suitable distributor.
(2) Incorporate fertilizer into soil to depth of at least two (2) inches.
(3) Remove stones or other substances which will interfere with turf
development or subsequent mowing.
g. Grade seeded areas to smooth, even surface with loose, uniformly fine texture.
(1) Roll and rake, remove ridges and fill depressions, as required to meet
finish grades.
(2) Fine grade just prior to planting.
3. Seeding:
a. Use approved mechanical power driven drills or seeders, mechanical hand
seeders, or other approved equipment.
b. Distribute seed evenly over entire area at the rate specified in the Erosion &
Sedimentation Control Drawings.
C. Stop work when work extends beyond most favorable planting season for species
designated, or when satisfactory results cannot be obtained because of drought,
high winds, excessive moisture, or other factors.
d. Resume work only when favorable condition develops, or as directed by the
Engineer.
e. Lightly rake seed into soil followed by light rolling or cultipacking.
f. Immediately protect seeded areas against erosion by mulching in accordance
with these Specifications, where applicable.
(1) Spread mulch in a continuous blanket at the rate specified in the Erosion
& Sedimentation Control Drawings.
(2) Immediately following spreading mulch, secure with evenly distributed
binder at the rate specified in the Erosion & Sedimentation Control
Drawings.
ESC Plan- Westside LCIO Landfill Technical Specifications
May2023 Revegetation Page02930-3

DocuSign Envelope ID: 24CC403E-EEOD-4C9F-B3DD-AB1848F544F6
(3) For slopes not steeper than 3H:1V and as an option to using binder to
secure mulch, use a mulch anchoring tool operated along the contour of
the slope.
Maintenance:
The Contractor shall be responsible for maintaining all seeded areas through the end of
his warranty period. The Contractor shall provide, at his expense, protection of all
seeded areas against damage at all times until acceptance of the work. Maintenance
shall include, but not be limited to, the following items:
Regrade and revegetate all eroded areas until adequately stabilized by grass.
b. Remulch with new mulch in areas where mulch has been disturbed by wind or
maintenance operations sufficiently to nullify its purpose. Anchor as required to
prevent displacement.
Replant bare areas using same materials specified.
ESC Plan- Westside LCIO Landfill Technical Specifications
May2023 Revegetation Page02930-4

DocuSign Envelope ID: E51ED747-AO69-4262-BOCD-A46BE9924906
Attachment H
Volume Calculations
Permit to Construct Application
Westside LCID Landfill
Wilson County, North Carolina

ADDRESS TEL WEB
SMITH GAR D N E R 14 N. Boylan Avenue, Raleigh, NC27603 919.828.0577 www.smithgardnerinc.com
PRQJECT Westside LCID Landfill SHEET 1 OF 2 DATE 4/17/2023
COMPUTED BY SWH
SUBJECT Capacity Evaluation (Density & Life) JOB # WILSON-22-4 CHECKED BY WMB
OBJECTIVE: To determine the capacity of landfil I units. Also, to estimate the expected life of the landfill unit(s) given
the proposed contours and the anticipated waste loading rate(s). As part of the evaluation, an evalution or
estimate of waste densitywill be required based on the known or assumed percentage of periodic cover
soi 1.
ANALYSIS: The volume(s) will be calculated by using AutoCAD. Alternatively, the volume(s) will be calculated by
taking cross sections of the landfill, using a planimeter to measure the area of the cross sections, and
using the average end area method.
SMITH GARDNER, INC. CAPACITYLF DENSITY& LIFE_Westside LCID

PROJECT Westside LCID Landfill SHEET
2/2
JOB#
WILSON-22-4
SUBJECT Capacity Evaluation DATE
4/17/2023
COMPUTED BY
SWH
CHECKED BY
WMB
Waste & Periodic Cover Parameters:
Airspace Utilization Factor (AUF) (tcy) = 0.40 (S+G Estimate)
Percentage of Periodic Cover = 0.05 (S+G Estimate)
Volume Calculations:
Gross Capacity (Existing to Top of Final Cover):
Gross Capacity Remaining (cy) = 70,000 (Subgrade to top of Final Cover)
Net (Waste) Capacity:
Adjustment For Other Layers (Subtract from Above):
Area of Final Cover (Ac.) =
2.5
1 feet Vegetative Soil Layer =
(4,100) cy
Sum =
(4,100) cy
Volume of Waste and Periodic Cover (cy) =
65,900
Volume of Periodic Cover (cy) _
(33)
Net (Waste) Capacity (tons) = 26,360
Life Expectancy Calculations:
Average Disposal (tons per year) = 1,750
Landfill Life Expectancy (years) = 15.1
SMITH GARNER
SMITH GARDNER, INC. LCID CAPACITYLF DENSITY& LIFE Westside LCID

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Cut volume (unadjusted) 0.00 Cu. Yd.
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Net volume (unadjusted) 69356.03 Cu.
d.
0 100' 200'

DocuSign Envelope ID: E51ED747-AO69-4262-BOCD-A46BE9924906
Attachment I
Closure 6 Post -Closure Plan
Permit to Construct Application
Westside LCID Landfill
Wilson County, North Carolina

DocuSign Envelope ID: 00630FCE-A548-4A1A-90F9-439B75803207
Closure and Post -Closure Plan
Westside LCIB Landfill
Wilson, North Carolina
Prepared for:
Wilson County Solid Waste Services Department
Wilson, North Carolina
May 2023
Prepared by:
SMITH GARDNER
14 N. Boylan Avenue, Raleigh NC 27603 1 919.828.0577
O 2023 Smith Gardner, Inc.
This document is intended for the sole use of the client for which it was prepared and
for the purpose agreed upon by the client and Smith Gardner, Inc.

DocuSign Envelope ID: 00630FCE-A548-4A1A-90F9-439B75803207
Closure and Post -Closure Plan
Westside LCIB Landfill
Wilson, North Carolina
Prepared For:
Wilson County Solid Waste Services Department
Wilson, North Carolina
S+G Project No. WILSON-22-4
DocuSigned by:
F
pw� (�AthlMbVl
Spencer VV. Hollomon, P.E.
Project Engineer
—DocuSigned by:
No, fwimLt
W. Michael Brinchek, P.E.
Senior Project Manager
May 2023
n1]'f olrrrr+#
CCAI T .
023426
1 .-
#*r#1 f � 5? 77, /'2023
SMITH GARDNER
14 N. Boylan Avenue, Raleigh NC 27603 1 919.829.0577

DocuSign Envelope ID: 00630FCE-A548-4A1A-90F9-439B75803207
Wilson County LCID Landfill
Wilson, North Carolina
Closure and Post -Closure Plan
Table of Contents
Paqe
1.0 CLOSURE PLAN......................................................................................................... 1
1.1
Maximum Closure Area and Waste Capacity.......................................................... 1
1.2
Final Cover System................................................................................................. 1
1.3
Surface Water Systems........................................................................................... 2
1.3.1 Required Maintenance................................................................................ 2
1.4
Closure Schedule.................................................................................................... 2
1.5
Closure Verification................................................................................................. 2
2.0 POST -CLOSURE PLAN...............................................................................................3
2.1
Post -Closure Contact.............................................................................................. 3
2.2
Post -Closure Use.................................................................................................... 3
2.3
Maintenance............................................................................................................4
2.3.1 Repair of Security Control Devices............................................................. 4
2.3.2 Erosion Damage Repair and Vegetation..................................................... 4
2.3.3 Correction of Settlement, Subsidence, and Displacement ......................... 4
2.3.4 Leachate Seeps........................................................................................... 4
2.3.5 Repair of Run-On/Run-Off Control Structures ........................................... 5
2.4
Monitoring Plan....................................................................................................... 5
2.4.1 Inspection Frequencies............................................................................... 5
2.4.2 Inspection Activities.................................................................................... 5
2.4.3 Record Keeping........................................................................................... 5
TABLES
Table 1.1 Closure Areas and Capacity Summary....................................................... 1
Table 2.1 Post -Closure Inspection Frequencies........................................................ 6
Westside LCID Landfill Closure and Post -Closure Plan
May 2023 Table of Contents Page i

DocuSign Envelope ID: 00630FCE-A548-4A1A-90F9-439B75803207
1.0 CLOSURE PLAN
This Closure Plan has been prepared to provide information related to closure of the active
Landfill units at the Westside LCID Landfill facility which is owned and operated by Wilson
County (County). This information includes the following:
• An estimate of the maximum closure area and waste capacity;
A description of the final cover system and related features;
A schedule for completion of closure activities; and,
• Procedures necessary for verifying closure activities.
Note that construction plans for closure of each landfill unit (or incremental portion thereof)
will be submitted to the North Carolina Department of Environmental Quality Division of Waste
Management (DWM) for approval prior to beginning closure construction.
1.1 Maximum Closure Area and Waste Capacity
The following are the estimated areas and capacity for each landfill unit to be closed
under this plan.
Table 1.1 Closure Areas and Capacity Summary
Landfill Unit
Closure Area
Gross Capacity
(Acres)
(CY) I
LCID Landfill
2.5
70,000
Note:
1. Refer to Attachment H of the Permit Renewal Application.
1.2 Final Cover System
The final cover system will consist of a 12-inch thick vegetative soil layer.
The final cover system will be placed on waste at a maximum slope of 3H:1V. Surface
water control devices will also be incorporated into the final cover of each landfill unit.
The final cover surface will be vegetated upon completion of the final cover installation
according to the project seeding specifications.
Westside LCID Landfill Closure and Post -Closure Plan
May 2023 1.0 Closure Plan Pagel

DocuSign Envelope ID: 00630FCE-A548-4A1A-90F9-439B75803207
1.3 Surface Water Systems
Precipitation falling on the cover will infiltrate into the cover or run off of the cover.
Short-term, the run-off runs down the surface of the intermediate cover. Long-term,
the run-off is collected in a series of diversion berms built into the areas covered by final
cover. Water captured by diversion berms is routed toward one of the down pipes. Flow
in the down pipes is routed to the base of the landfill and to the site sediment basin.
Refer to the appropriate permit application for a detailed discussion and details related
to the design of surface water systems for each landfill unit.
1.3.1 Required Maintenance
The surface water systems must be inspected annually and immediately after
every major storm. Sediment build-up in the drainage features/devices must be
cleaned out on a regular basis to promote run-off. Sediments removed can be
used as daily or intermediate cover.
1.4 Closure Schedule
In general, closure activities will occur on the following schedule (15A NCAC
13B.0567(b)(1)):
• No later than 30 days after the known final receipt of wastes.
The County will notify the DWM no less than 90 days prior to the expected closure of the
site.
All closure activities shall be completed within 120 days after beginning closure
activities. Exemptions and extensions may be approved by the DWM.
1.5 Closure Verification
The following procedures will be implemented following closure:
• Within 30 days of completion of closure of the site, the County shall submit to
DWM a certification verifying that closure has been completed.
• At least one sign notifying all persons of the closing of the landfill (or incremental
portions thereof) and that wastes are no longer accepted will be posted. Suitable
barriers will be installed as necessary at former access points to prevent new
waste from being deposited.
Westside LCID Landfill Closure and Post -Closure Plan
May 2023 1.0 Closure Plan Page 2

DocuSign Envelope ID: 00630FCE-A548-4A1A-90F9-439B75803207
2.0 POST -CLOSURE PLAN
This Post -Closure Plan has been prepared to provide information related to post -closure care
of the landfill units at the Columbus County LCID Landfill facility. This information includes the
following:
Contact information for the person or office responsible for the facility during the post -
closure period;
• A description of the planned use(s) of the property during the post -closure period;
• A description of the monitoring and maintenance activities required for each landfill unit
and the frequency at which these activities are to occur; and
The post -closure care period will last 10 years after final closure (unless increased or
decreased by the DWM).
2.1 Post -Closure Contact
All correspondence and questions concerning the post -closure care of the landfill
should be directed to:
Wilson County Solid Waste Services Department (County)
Attn: Director
2400 NC Hwy 42 East
Wilson, NC
Phone: [phone].
2.2 Post -Closure Use
After filling operations cease at the landfill and the landfill is officially closed in
accordance with the Closure Plan, each landfill unit will be maintained as a grassy hill.
The County will maintain control of the property and prevent public access to it during
the post -closure period.
There may be (an) access road(s) on the final cover to allow proper maintenance during
post -closure. Precise location of the access road(s) will be determined as a part of
operations. Low ground pressure and rubber tire vehicles will be used for maintenance.
Additionally, the County will maintain access to all site monitoring locations through the
post -closure period.
Westside LCID Landfill Closure and Post -Closure Plan
May 2023 2.0 Post -Closure Plan Page 3

DocuSign Envelope ID: 00630FCE-A548-4A1A-90F9-439B75803207
2.3 Maintenance
2.3.1 Repair of Securitv Control Devices
All security control devices will be inspected and maintained as necessary to
ensure access to the site is controlled. Locks, vehicular gates, and fencing will
be replaced if functioning improperly. Warning signs will be kept legible at all
times and will be replaced if damaged by inclement weather or vandalism.
2.3.2 Erosion Damage Repair and Vegetation
If erosion of the final cover occurs during post -closure, the affected area will be
repaired and revegetated as necessary. If necessary, rolled erosion control
products (RECPs) will be used to expedite rapid revegetation of slopes and to
secure topsoil in place. Revegetation (including fertilization and seeding) will be
performed in accordance with the most recently approved erosion and
sedimentation control plan and the North Carolina Erosion and Sediment Control
PLannina and Desian Manual.
Mowing of the final cover surfaces will occur approximately once per year in
order to help maintain a healthy stand of grasses and to cut down saplings and
woody -stemmed plants.
2.3.3 Correction of Settlement, Subsidence, and Displacement
Slopes will be maintained after settlement in order to prevent ponding and allow
for proper drainage without infiltration. If vertical or horizontal displacement
occurs due to differential settlement, cracks will be filled with appropriate
material and final cover will be reestablished. Excessive vertical displacement is
not anticipated.
2.3.4 Leachate Seeps
If evidence of Leachate seeps is observed, the County will take the following
actions. Depending on the circumstances, various combinations of actions may
be appropriate.
1. If Leachate is observed outside of the limits of waste disposal areas, notify
the DWM.
2. Contain the flow of leachate using soil berms and/or excavation.
3. Excavate the area of seepage to attempt to allow flow into the underlying
waste (i.e. break-up soil layers that may be causing the seep.).
4. For contained Leachate that will not flow into underlying waste, a pump
may be required to route the Leachate to a tanker truck.
Westside LCIO Landfill Closure and Post -Closure Plan
May2023 2.0 Post -Closure Plan Page4

DocuSign Envelope ID: 00630FCE-A548-4A1A-90F9-439B75803207
5. The use of soil (particularly clay) to plug the seepage may also be
successful in the case where flows are minor.
6. Remove and dispose of impacted cover soils accordingly.
7. Repair landfill cover as necessary.
2.3.5 Repair of Run-On/Run-Off Control Structures
All drainage swales, ditches, and perimeter channels will be repaired, cleaned,
or realigned in order to maintain their original condition. Any culverts that are
damaged will be repaired or replaced. Sediment basins/ponds will be cleaned
out when sediment has reached design cleanout levels.
2.4 Monitoring Plan
The closed unit will be monitored for a minimum of 10 years. Inspections of the closed
Landfill will be scheduled to ensure the integrity and effectiveness of the final cover
system, surface water systems, and to protect human health and the environment.
2.4.1 Insgection Freauencies
Inspections to be conducted by the County during the post -closure care period
will occur regularly as shown in Table 2.1.
2.4.2 Insgection Activities
Inspections will include examination of the security control devices for signs of
deterioration or vandalism to ensure access to the site is limited to authorized
persons. Each disposal area will be checked to ensure the integrity of the final
cover system is maintained, erosion damage is repaired, vegetative cover
persists, and that cover settlement, subsidence, and displacement are minimal.
Additionally, the condition of the groundwater and gas monitoring systems and
permanent benchmarks will be checked.
A report of findings will be made to the responsible party, including
recommendations for actions deemed necessary to ensure the site continues to
meet the closure performance standard.
2.4.3 Record Keeping
Records of inspections and repairs will be kept on file by the County throughout
the post -closure period.
Westside LCID Landfill Closure and Post -Closure Plan
May 2023 2.0 Post -Closure Plan Page 5

DocuSign Envelope ID: 00630FCE-A548-4A1A-90F9-439B75803207
Table 2.1 Post -Closure Inspection Frequencies
Inspection Activity
Year 1
Years 2-10
Security Control Devices
Semi -Annually
Annually
Vegetative Cover Condition
Semi -Annually
Annually
Surface Water Systems
Semi -Annually
Annually
Erosion Damage
Semi -Annually
Annually
Cover Drainage System
Semi -Annually
Annually
Cover Settlement, Subsidence, and Displacement
Semi -Annually
Annually
Westside LCIO Landfill Closure and Post -Closure Plan
May 2023 2.0 Post -Closure Plan Page 6

DocuSign Envelope ID: E51ED747-AO69-4262-BOCD-A46BE9924906
Attachment J
Site Drawings
Permit to Construct Application
Westside LCID Landfill
Wilson County, North Carolina

DocuSign Envelope ID: 402542F2-155B-49B6-AB84-B201449BC047
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WILSON COUNTY SOLID WASTE SERVICES
WILSON COUNTY, NORTH CAROLINA
PERMIT DRAWINGS
MAY 2023
SHEET NO. DRAWING NO.
DRAWING TITLE
1
-
TITLE - COVER SHEET
2
S1
EXISTING CONDITIONS
3
S2
SUBGRADE GRADING AND DRAINAGE PLAN
4
S3
FINAL COVER GRADING AND DRAINAGE PLAN
5
S4
BORROW AREA GRADING AND DRAINAGE PLAN
6
X1
ENGINEERING CROSS SECTIONS
7
EC1
EROSION AND SEDIMENTATION CONTROL DETAILS
(SHEET 1
OF 4)
8
EC2
EROSION AND SEDIMENTATION CONTROL DETAILS
(SHEET 2
OF 4)
9
EC3
EROSION AND SEDIMENTATION CONTROL DETAILS
(SHEET 3
OF 4)
10
EC4
EROSION AND SEDIMENTATION CONTROL DETAILS
(SHEET 4
OF 4)
PERMIT ISSUE
NOT FOR CONSTRUCTION
NC LIC. NO. F-1370 IENGINEERING)
SC COA NO. C01488
SMITH GARDNER
14 N. Boylan Avenue, Raleigh NC 27603 1 919.828.0577
1526 Richland St., Columbia SC 29201
SEAL
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SEAL
REV. I DATE I DESCRIPTION
Electronic files are instruments of service provided by Smith
Gardner, Inc. for the convenience of the intended recipient(s), and
no warranty is either expressed or implied. Any reuse or
redistribution of this document in whole or part without the
written authorization of Smith Gardner, Inc., will be at the sole
risk of the recipient. If there is a discrepancy between the
electronic files and the signed and sealed hard copies, the hard
copies shall govern. Use of any electronic files generated or
provided by Smith Gardner, Inc., constitutes an acceptance of
these terms and conditions.
STANDARD SECTION LOCATION
CALLOUT (SHEET AND DETAIL)
SECTION REFERENCED
SHEET WHERE SECTION IS PRESENTED
STANDARD DETAIL CALLOUT
DETAIL REFERENCED
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STANDARD DETAIL LABEL AND CALLOUT
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STANDARD REVISION
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N 71
000
&SURVEYING, PC. BASED ON FIELD SURVEY DATED AUGUST 5, 2020.
SUPPLEMENTAL TOPOGRAPHY FOR AREAS OUTSIDE OF ACTIVE AREAS PROVIDED
BY FLOOD RISK INFORMATION SYSTEM (FRIS) LiDAR. FEMA MAP NUMBERS
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3. FLOOD HAZARD INFORMATION FROM NORTH CAROLINA FLOODPLAIN MAPPING
PROGRAM, FEMA FIRM MAP N0. 3720373100J, 3772037200J, AND
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6. LCID AND C&D LANDFILL AREA DATED OCT. 2015 MAP TITLED "WILSON COUNTY
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LANDFILL OVERALL SITE (11X17)" PREPARED BY BARTLET ENGINEERING &
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ARCHAEOLOGICAL STUDY DATED OCTOBER 2017, AUGUST 2020, AND JUNE
_—_—=_
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2021. FROM ARCHAEOLOGICAL CONSULTANTS OF THE CAROLINAS, INC.
8. WELL AND BORING LOCATION PROVIDED BY BARTLETT ENGINEERING &
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9. PREVIOUSLY APPROVED LIMITS OF DISTURBANCE (PROJECT ID:
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10. GROUNDWATER CONTOURS BASED ON GROUNDWATER ELEVATIONS TAKEN BY DRAWN: SCALE:
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DEMOLITION
FILENAME:
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SAFETY NOTE:
Contractor shall be solely responsible for initiating,
maintaining and supervising all safety precautions and
programs in connection with the Work. Contractor shall
comply with all applicable Laws and Regulations relating to
the safety of persons or property, or to the protection of
persons or property from damage, injury, or loss; and shall
erect and maintain all necessary safeguards for such safety
and protection.
PERMIT ISSUE.
NOT FOR CONSTRUCTION
LEGEND
EXISTING 10' CONTOUR
950
(SEE REFERENCE 2)
EXISTING 2' CONTOUR
(SEE REFERENCE 2)
APPROXIMATE PROPERTY LINE
(SEE REFERENCE 1)
APPROXIMA TE 100—FT
PROPERTY LINE BUFFER
APPROXIMATE STREAM CENTER LINE
(SEE REFERENCE 4)
APPROXIMATE LIMITS OF SOLID WASTE
LANDFILL UNIT (S££ REFERENCE 6)
— —
BORROW AREA LIMITS
FLOOD HAZARD ZONE (0.2 PCT ANNUAL CHANCE)
(SEE REFERENCE 3)
FLOOD HAZARD ZONE AE (1 PCT ANNUAL
CHANCE) (SEE REFERENCE 3)
FLOOD WA Y
(SEE REFERENCE 3)
WETLANDS
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EXISTING LANDFILL GAS MONITORING PROBE
GP-1
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GMW-1
MONITORING WELL (SEE REFERENCE 8)
P-108
EXIS77NG PIEZOM£T£R (SEE REFERENCE 8)
MW-1 A
EXISTING MONITORING WELL (SEE REFERENCE 8)
O B-13 BORING LOCATION (SEE REFERENCE 8)
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SILT FENCE
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DI —A
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SEDIMENT BASIN
PROPOSED CULVERT
REFERENCES
1. PARCEL BOUNDARIES, WETLAND AND STREAM LOCATIONS PROVIDED BY
BARTLETT ENGINEERING & SURVEYING, PC. BASED ON FIELD SURVEY DATED
AUGUST 5, 2020.
2. EXISTING TOPOGRAPHY IN ACTIVE AREAS PROVIDED BY BARTLETT ENGINEERING
& SURVEYING, PC. BASED ON FIELD SURVEY DATED AUGUST 5, 2020.
SUPPLEMENTAL TOPOGRAPHY FOR AREAS OUTSIDE OF ACTIVE AREAS PROVIDED
BY FLOOD RISK INFORMATION SYSTEM (FRIS) LiDAR. FEMA MAP NUMBERS
3720373100J AND 3720373200J, DATED 04/16/13.
3. FLOOD HAZARD INFORMATION FROM NORTH CAROLINA FLOODPLAIN MAPPING
PROGRAM, FEMA FIRM MAP NO. 3720373100J, 3772037200J, AND
3720374100J.
4. WETLAND SURVEY AND STREAM DELINEATION DATED MARCH 2O20 FROM SOIL
& ENVIRONMENTAL CONSULTANTS, PA.; AND DATED MARCH 2O23 BY INVER
ENVIRONMENTAL CONSULTING, LLC.
5. WASTE LIMIT BOUNDARIES, INCLUDING CAP LIMITS FROM MAP TITLED
"LANDFILL SITE PLAN", DRAWING NO. 1, DATED 8/1/00, PREPARED BY GARY
W. AHLBERG, P.E.
6. LCID AND C&D LANDFILL AREA DATED OCT. 2015 MAP TITLED "WILSON COUNTY
LANDFILL OVERALL SITE (11X17)° PREPARED BY BARTLET ENGINEERING &
SURVEYING, PC.
7. ARCHAEOLOGICAL STUDY DATED OCTOBER 2017, AUGUST 2020, AND JUNE
2021. FROM ARCHAEOLOGICAL CONSULTANTS OF THE CAROLINAS, INC.
8. WELL AND BORING LOCATION PROVIDED BY BARTLETT ENGINEERING &
SURVEYING, PC. BASED ON FIELD SURVEY DATED MAY 27, 2020.
9. PREVIOUSLY APPROVED LIMITS OF DISTURBANCE (PROJECT ID:
WILSON-2022-012) FOR AREA 2 PHASE 1 (12.6 ACRES) AND THE EXISTING
SOIL STOCKPILE AND BORROW AREA (7.36 ACRES).
WILSON COUNTY
SOLID WASTE SERVICES
WILSON COUNTY, NE
PREPARED BY:
NC LIC. NO. F-13701ENGINEERINGJ
SC COA NO. CO1488
SMITH+
GARDNER
ENGINEERS
14 N. Boylan Avenue, Raleigh NC 27603 1919.828.0577
1526 Richland St., Columbia SC 29201
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REV. I DATE I DESCRIPTION
Electronic files are instruments of service provided by Smith
Gardner, Inc. for the convenience of the intended recipient(s), and
no warranty is either expressed or implied. Any reuse or
redistribution of this document in whole or part without the
written authorization of Smith Gardner, Inc., will be at the sole
risk of the recipient. If there is a discrepancy between the
electronic files and the signed and sealed hard copies, the hard
copies shall govern. Use of any electronic files generated or
provided by Smith Gardner, Inc., constitutes an acceptance of
these terms and conditions.
PROJECT TITLE:
LCID LANDFILL
PERMIT DRAWINGS
DRAWING TITLE:
SUBGRADE GRADING
AND DRAINAGE PLAN
DESIGNED:
PROJECT NO:
S.W.H.
WILSON 22-4
DRAWN:
SCALE:
C.T.J.
AS SHOWN
APPROVED:
DATE:
S4
MAY 2023
FILENAME:
WILSON-DO051
SHHHTNUMBER:
DRAWING NUMBER:
3
S2

DocuSian Envelone ID: 402542F2-155B-49B6-AB84-B201449BC047

DocuSign Envelope ID: 402542F2-155B-49B6-AB84-B201449BC047
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maintaining and supervising all safety precautions and
programs in connection with the Work. Contractor shall
comply with all applicable Laws and Regulations relating to
the safety of persons or property, or to the protection of
persons or property from damage, injury, or loss; and shall
erect and maintain all necessary safeguards for such safety
and protection.
PERMIT ISSUE
NOT FOR CONSTRUCTION
100111f:
EXISTING 10' CONTOUR
950 (SEE REFERENCE 2)
EXISTING 2' CONTOUR
(SEE REFERENCE 2)
APPROXIMATE PROPERTY LINE
(SEE REFERENCE 1)
APPROXIMATE 100—FT
PROPERTY LINE BUFFER
APPROXIMATE STREAM CENTER LINE
(SEE REFERENCE 4)
APPROXIMATE LIMITS OF SOLID WASTE
LANDFILL UNIT (SEE REFERENCE 6)
BORROW AREA LIMITS
SILT FENCE
FLOOD HAZARD ZONE (0.2 PCT ANNUAL CHANCE)
(SEE REFERENCE 3)
FLOOD HAZARD ZONE AE (1 PCT ANNUAL
CHANCE) (SEE REFERENCE 3)
FLOODWA Y
(SEE REFERENCE 3)
WEAANDS
(SEE REFERENCE 4)
AREA OF POTEN77AL ARCHAEOLOGICALSIGNIFICANCE
\\
(TOBE RESERVED) (SEE REFERENCE 7)
EXISTING LANDFILL GAS MONITORING PROBE
GP-1
(SEE REFERENCE 8)
EXISTING C&D LANDFILL AREA 1 GROUNDWATER
GMW-1
MONITORING WELL (SEE REFERENCE 8)
P-108
EXIS77NG PIEZOMETER (SEE REFERENCE 8)
S MW-1A EXIS77NG MONITORING WELL (SEE REFERENCE 8)
O B-13 BORING LOCA77ON (SEE REFERENCE 8)
❑ TP-1 TEST PIT LOCATION
REFERENCES
1. PARCEL BOUNDARIES, WETLAND AND STREAM LOCATIONS PROVIDED BY
BARTLETT ENGINEERING & SURVEYING, PC. BASED ON FIELD SURVEY DATED
AUGUST 5, 2020.
2. EXISTING TOPOGRAPHY IN ACTIVE AREAS PROVIDED BY BARTLETT ENGINEERING
& SURVEYING, PC. BASED ON FIELD SURVEY DATED AUGUST 5, 2020.
SUPPLEMENTAL TOPOGRAPHY FOR AREAS OUTSIDE OF ACTIVE AREAS PROVIDED
BY FLOOD RISK INFORMATION SYSTEM (FRIS) LiDAR. FEMA MAP NUMBERS
3720373100J AND 3720373200J, DATED 04/16/13.
3. FLOOD HAZARD INFORMATION FROM NORTH CAROLINA FLOODPLAIN MAPPING
PROGRAM, FEMA FIRM MAP NO. 3720373100J, 3772037200J, AND
3720374100J.
4. WETLAND SURVEY AND STREAM DELINEATION DATED MARCH 2O20 FROM SOIL
& ENVIRONMENTAL CONSULTANTS, PA.; AND DATED MARCH 2O23 BY INVER
ENVIRONMENTAL CONSULTING LLC.
5. WASTE LIMIT BOUNDARIES, INCLUDING CAP LIMITS FROM MAP TITLED
"LANDFILL SITE PLAN", DRAWING NO. 1, DATED 8/1/00, PREPARED BY GARY
W. AHLBERG, P.E.
6. LCID AND C&D LANDFILL AREA DATED OCT. 2015 MAP TITLED "WILSON COUNTY
LANDFILL OVERALL SITE (11X17)° PREPARED BY BARTLET ENGINEERING &
SURVEYING, PC.
7. ARCHAEOLOGICAL STUDY DATED OCTOBER 2017, AUGUST 2020, AND JUNE
2021. FROM ARCHAEOLOGICAL CONSULTANTS OF THE CAROLINAS, INC.
8. WELL AND BORING LOCATION PROVIDED BY BARTLETT ENGINEERING &
SURVEYING, PC. BASED ON FIELD SURVEY DATED MAY 27, 2020.
9. PREVIOUSLY APPROVED LIMITS OF DISTURBANCE (PROJECT ID:
WILSON-2022-012) FOR AREA 2 PHASE 1 (12.6 ACRES) AND THE EXISTING
SOIL STOCKPILE AND BORROW AREA (7.36 ACRES).
0
Orono 011111 0 0 0 0
WILSON COUNTY
SOLID WASTE SERVICES
WILSON COUNTY, NE
PREPARED BY:
NC LIC. NO. F-13701ENGINEERINGJ
SC COA NO. CO1488
S M ITH+
GARDNER
ENGINEERS
14 N. Boylan Avenue, Raleigh NC 27603 1919.828.0577
1526 Richland St., Columbia SC 29201
SEAL
DocuSigned by: CAR, ���I,,
, OFESS/0,`O��7i'''•,
35SC21EE f440._ Q� ��< 9 '�
SEAL
028426
10
�.
,�'•. �i FNGINEE� G�.•��
�Au L 0?-' 5/2023
SEAL
REV. I DATE I DESCRIPTION
Electronic files are instruments of service provided by Smith
Gardner, Inc. for the convenience of the intended recipient(s), and
no warranty is either expressed or implied. Any reuse or
redistribution of this document in whole or part without the
written authorization of Smith Gardner, Inc., will be at the sole
risk of the recipient. If there is a discrepancy between the
electronic files and the signed and sealed hard copies, the hard
copies shall govern. Use of any electronic files generated or
provided by Smith Gardner, Inc., constitutes an acceptance of
these terms and conditions.
PROJECT TITLE:
LCID LANDFILL
PERMIT DRAWINGS
DRAWING TITLE:
BORROW AREA GRADING
AND DRAINAGE PLAN
DESIGNED: PROJECT NO:
S.W.H. WILSON 22-4
DRAWN: I SCALE:
C.T.J. I AS SHOWN
APPROVED: I DATE:
SUN I MAY 2023
WILSON-DO051
SHHHTNUMBER: DRAWING NUMBER:
5 S4
© 2023 Smith Gardner, Inc.

DocuSign Envelope ID: 402542F2-155B-49B6-AB84-B201449BC047
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DocuSign Envelope ID: 402542F2-155B-49B6-AB84-B201449BC047
SPECIFICATIONS:
PREPARED FOR-
Ij ALL WEATHER ACCESS ROAD
3
1
NOTE:
1. COMPACTED EMBANKMENT FILL SOILS TO 95 PERCENT STANDARD PROCTOR
MAXIMUM DRY DENSITY AT t3% ITS OPTIMUM MOISTURE CONTENT.
2. COMPACT UPPER 1 FOOT OF PERIMETER ACCESS ROAD SUBGRADE TO 100%
OF ITS STANDARD PROCTOR MAXIMUM DRY DENSITY.
4
MAINTENANCE SCHEDULE
1. MAINTAIN THE GRAVEL PAD IN A CONDITION TO PREVENT
MUD OR SEDIMENT FROM LEAVING THE CONSTRUCTION SITE.
THIS MAY REQUIRE PERIODIC TOPDRESSING WITH 2—INCH
STONE. AFTER EACH RAINFALL, INSPECT ANY STRUCTURE
USED TO TRAP SEDIMENT AND CLEAN IT OUT AS NECESSARY.
IMMEDIATELY REMOVE ALL OBJECTIONABLE MATERIALS
SPILLED, WASHED, OR TRACKED ONTO PUBLIC ROADWAYS.
CHANNEL CORRIDOR
VARIES
VARIES VARIES
�1 1�
VARIES
4.0' MIN.
J
COMPACTED
EMBANKMENT OR
CUT INTO NATIVE
SOILS
EXIS77NG GRADE (VARIES)
TYPICAL PERIMETER BERM CROSS SECTION
TEMPORARY CONSTRUCTION ENTRANCE
DETAIL 2
NOT TO SCALE EC1
�� M
�1
NOTES:
a
1. FOR ANCHORAGE OF RECP, SEE DETAIL 1
N
N
N
MAINTENANCE OF CHANNELS
00
1. INSPECT CHANNELS, DIVERSION BERMS, SWALES, ETC. AT REGULAR INTERVALS
AS WELL AS AFTER MAJOR RAINS, AND MAKE REPAIRS PROMPTLY. CHECK
GRASS AND RECP LINED CHANNELS AFTER EVERY RAINFALL UNTIL THE
CN
ESTABLISHMENT OF A GOOD STAND OF VEGETATION.
0
2. GIVE SPECIAL ATTENTION TO THE OUTLET AND INLET SECTIONS AND OTHER
z
POINTS WHERE CONCENTRATED FLOW ENTERS. CAREFULLY CHECK STABILITY
09
AT ROAD CROSSINGS AND LOOK FOR INDICATIONS OF PIPING, SCOUR HOLES,
OR BANK FAILURES.
a)
3. MAKE REPAIRS IMMEDIATELY AND REMOVE ALL SIGNIFICANT SEDIMENT
N
ACCUMULATIONS TO MAINTAIN THE DESIGNED CARRYING CAPACITY.
N
4. MAINTAIN ALL VEGETATION IN (AS APPLICABLE) AND ADJACENT TO THE
CHANNEL IN A HEALTHY, VIGOROUS CONDITION.
GRASS LINED CHANNEL
DRAINAGE CHANNEL
DETAIL 5
NOT TO SCALE EC1
DETAIL 1
NOT TO SCALE EC1
3
1F
ROLLED EROSION CONTROL PRODUCT (RECP)
(SEE NOTE 1)
LIMITS OF WASTE
3
�1
14'
12'
NOTES:
1. AGGREGATE BASE COURSE SHALL MEET THE GRADING REQUIREMENTS IN NCDOT
SECTION 520 AND BE OBTAINED FROM AN APPROVED NCDOT SOURCE.
2. AGGREGATE SHALL BE PLACED AND COMPACTED IN 8—INCH THICK (IN —PLACE)
LIFTS TO 100 PERCENT ITS STANDARD PROCTOR MAXIMUM DRY DENSITY.
3. GEOTEXTILE SHALL HAVE A MINIMUM GRAB TENSILE STRENGTH OF 180 LBS,
MINIMUM PUNCTURE RESISTANCE OF 75 LBS, TRAPEZOIDAL TEAR OF 75 LBS,
AND AOS OF LESS THAN 0.6 MM.
DRAINAGE CHANNEL SCHEDULE
DRAINAGE
CHANNEL NO.
LINING
B
(FEET)
D
(FEET)
M
DC-1
GRASS
4
2
3
DC-2
GRASS
4
2
3
DC-3
GRASS
12
2
3
DC-4
GRASS
12
2
3
ALL WEATHER ACCESS ROAD
DETAIL 3
NOT TO SCALE EC1
GEOTEXTILE TYPE GT—S
AGGREGATE 6
SURFACING EC1
6
NONWOVEN GEOTEXTILE
8 OZ./SY OR ENGINEER
APPROVED EQUIVALENT
(SEE NOTE 3)
AGGREGATE SURFACING
DETAIL r6
NOT TO SCALE EC1
10" AGGREGATE BASE COARSE
FILL SOIL THICKNESS VARIES
1. GENERAL
THE CONTRACTOR SHALL ESTABLISH A SMOOTH, HEALTHY, UNIFORM, CLOST STAND OF GRASS FROM THE SPECIFIED SEED. PRIOR TO
REVEGETATION, THE CONTRACTOR SHALL ADEQUATELY TEST THE SOILS TO BE REVEGETATED TO ENSURE THE ADEQUACY OF THE SPECIFIED
REQUIREMENTS. ANY MODIFICATIONS TO THESE REQUIREMENTS DEEMED NECESARRY AFTER THE REVIEW OF SOIL TEST RESULTS, SHALL BE AT
THE CONTRACTOR'S SOLE EXPENSE. THE ENGINEER WILL PERFORM THE OBSERVATIONS TO DETERMINE WHEN SUCCESSFUL REVEGETATION IS
ACHIEVED.
2. SOIL PREPARATION:
A. LIMIT PREPARATION TO AREAS WHICH WILL BE PLANTED SOON AFTER PREPARATION.
B. LOOSEN SURFACE TO MINIMUM DEPTH OF FOUR (4) INCHES.
C. REMOVE STONES, STICKS, ROOTS, RUBBISH AND OTHER EXTRANEOUS MATTER OVER THREE (3) INCHES IN ANY DIMENSION.
D. SPREAD LIME UNIFORMLY OVER DESIGNATED AREAS AT THE RATE SPECIFIED IN TABLE 1 OF THESE DRAWINGS.
E. AFTER APPLICATION OF LIME, PRIOR TO APPLYING FERTILIZER, LOOSEN AREAS TO BE SEEDED WITH DOUBLE DISC OR OTHER SUITABLE
DEVISE IF SOIL HAS BECOME HARD OR COMPACTED. CORRECT ANY SURFACE IRREGULARITIES IN ORDER TO PREVENT POCKETS OR LOW
AREAS OF STANDING WATER.
F. DISTRIBUTE FERTILIZER UNIFORMLY OVER AREAS TO BE SEEDED AT THE RATE SPECIFIED IN TABLE 1 OF THESE DRAWINGS;
(1) USE SUITABLE DISTRIBUTOR.
(2) INCORPORATE FERTILIZER INTO SOIL TO A DEPTH OF AT LEAST TWO (2) INCHES.
(3) REMOVE STONES OR OTHER SUBSTANCES WHICH WILL INTERFERE WITH TURF DEVELOPMENT OR SUBSEQUENT MOWING.
G. GRADE SEEDED AREAS TO SMOOTH, EVEN SURFACE WITH LOOSE, UNIFORMLY FINE TEXTURE.
(1) ROLL AND RAKE, REMOVE RIDGES AND FILL DEPRESSIONS, AS REQUIRED TO MEET FINISH GRADES.
(2) FINE GRADE JUST PRIOR TO PLANTING.
3. SEEDING:
A. USE APPROVED MECHANICAL POWER DRIVEN DRILLS OR SEEDERS, MECHANICAL HAND SEEDERS, OR OTHER APPROVED EQUIPMENT.
B. DISTRIBUTE SEED EVENLY OVER ENTIRE AREA AT THE RATE SPECIFIED IN ON THE SEEDING SCHEDULE OF THESE DRAWINGS.
C. STOP WORK WHEN WORK EXTENDS BEYOND MOST FAVORABLE PLANTING SEASON FOR SPECIES DESIGNATED, OR WHEN SATISFACTORY
RESULTS CANNONT BE OBTAINED BECAUSE OF DROUGHT, HIGH WINDS, EXCESSIVE MOISTURE, OR OTHER FACTORS.
D. RESUME WORK ONLY WHEN FAVORABLE CONDITIONS DEVELOP, OR AS DIRECTED BY THE ENGINEER.
E. LIGTHLY RAKE SEED INTO SOIL FOLLOWED BY LIGHT ROLLING OR CULTIPACKING.
F. IMMEDIATELY PROTECT SEEDED AREAS AGAINST EROSION BY MULCHING.
(1) SPREAD MULCH IN A CONTINUOUS BLANKET AT THE RATE SPECIFIED IN THE SEEDING SCHEDULE OF THESE DRAWINGS.
(2) IMMEDIATELY FOLLOWING SPREADING MULCH, SECURE WITH EVENLY DISTRIBUTED BINDER AT THE RATE SPECIFIED IN THE SEEDING
SCHEDULE OF THESE DRAWWGS.
4. MAINTENANCE:
THE CONTRACTOR SHALL BE RESPONSEIBLE FOR MAINTAINING ALL SEEDED AREAS THROUGH THE END OF HIS WARRANTY PERIOD, ONE (1)
YEAR. THE CONTRACTOR SHALL PROVIDE, AT HIS EXPENSE, PROTECTION OF ALL SEEDED AREAS AGAINST DAMAGE AT ALL TIMES UNTIL
ACCEPTANCE OF THE WORK. MAINTENANCE SHALL INCLUDE, BUT NOT LIMITED TO, THE FOLLOWING ITEMS:
A. REGRADE AND REVETATE ALL ERODED AREAS UNTIL ADEQUATELY STABILIZED BY GRASS.
B. REMULCH WITH NEW MULCH IN AREAS WHERE MULCH HAS BEEN DISTURBED BY WIND OR MAINTENANCE OPERATIONS SUFFICIENTLY TO
NULLIFY ITS PURPOSE. ANCHOR AS REQUIRED TO PREVENT DISPSLACEMENT.
C. SUPPLANT BARE AREAS USING SAME MATERIALS SPECIFIED.
SEEDING SCHEDULE
MATERIAL
SEED TYPE
APPLICATION RATE
(SEE NOTE 1)
LIME
—
4,000 LBS/ACRE
FERTILIZER
(10-20-10)
1,000 LBS/ACRE
SEED
COMMON BERMUDA'
PENSACOLA
30 LBS/ACRE
BAHIAGRASS
50 LBS/ACRE
SERECIA LESPEDEZA4
80 LBS/ACRE
SEASONAL NURSE
10 LBS/ACRE
CROP2
MULCH
—
4,000-5,000 LBS/ACRE
BINDERT
—
150 GALLONS/ACRE
NOTES:
1. APPLICATION RATES AND/OR CHEMICAL ANALYSIS SHALL BE CONFIRMED OR
ESTABLISHED BY A SOIL TEST(S).
2. USE SEASONAL NURSE CROP IN ACCORDANCE WITH SEEDING DATES AS
STATED BELOW:
APRIL 1 — AUGUST 15 BROWNTOP MILLET
AUGUST 15 — APRIL 1 ANNUAL RYE
3. HALF HULLED AND HALF UN —HULLED.
4. SHALL BE PLACED ON SLOPES STEEPER THAN 4:1
REVEGETAION
DETAIL 4
NOT TO SCALE �Cj
PERMIT ISSUE
WILSON COUNTY
SOLID WASTE SERVICES
WILSON COUNTY, NE
PREPARED BY:
NC LIC. NO. F-1370 IENGINEERINGI
SC COA NO. CO1488
SMITH
GARDNER
ENGINEERS
14 N. Boylan Avenue, Raleigh NC 27603 919.828.0577
1526 Richland St., Columbia SC 29201
SEAL
DocuSigned by: ••• CA
p I*,
d� if�t 6Vl� FESS/0 �'�
358C21 E6400-440_. Q�O 00
SEAL
028426 _k ft
<v .
�'•, �i FNGINEE��G�.•'�
, BR,�••2 5 / 2 02 3
SEAL
REV. DATE DESCRIPTION
Electronic files are instruments of service provided by Smith
Gardner, Inc. for the convenience of the intended recipient(s), and
no warranty is either expressed or implied. Any reuse or
redistribution of this document in whole or part without the
written authorization of Smith Gardner, Inc., will be at the sole
risk of the recipient. If there is a discrepancy between the
electronic files and the signed and sealed hard copies, the hard
copies shall govern. Use of any electronic files generated or
provided by Smith Gardner, Inc., constitutes an acceptance of
these terms and conditions.
PROJECT TITLE:
PERMIT DRAWINGS
DRAWING TITLE:
EROSION AND SEDIMENTATION
CONTROL DETAILS
(SHEET 10 F 4)
DESIGNED: PROJECT NO:
S.W.H. WILSON 22-4
C.T.J. AS SHOWN
APPROVED: UA �
�SU�N MAY 2023
© 2023 Smith Gardner, Inc.
NOT FOR CONSTRUCTION
WILSON-DO052
SHEET NUMBER: DRAWING NUMBER:
ECI

DocuSign Envelope ID: 402542F2-155B-49B6-AB84-B201449BC047
(F)
EMERGENCY SPILLWAY
PREPARED FOR:
PAD FOR SKIMMER
(SEE NOTE 3)
SKIMMER SIZE (K)
(SEE NOTE 2)
SCH 80 PVC
SEDIMENT
BASIN RISER
INV. IN = (H)
INV. OUT = (1)
LENGTH = (J)
NOTES:
1. CONSTRUCT FILTER DIAPHRAGM OF ASTM C-33 FINE AGGREGATE. THE ENGINEER SHALL VERIFY COMPATIBILITY OF FINE AGGREGATE AND MATERIAL TO BE
USED AS ADJACENT STRUCTURAL FILL PRIOR TO CONSTRUCTION.
2. DRAIN TO CONSIST OF FAIRCLOTH SKIMMER (L SIZE) AND ADEQUATELY SIZED OUTLET PIPE. SELECTED SKIMMER SHALL PROVIDE A 2 TO 5 DAY
DRAWDOWN BASED ON THE APPROXIMATE STORAGE VOLUME OF BASIN. FOLLOWING THE MANUFACTURER'S DIRECTIONS, ATTACH A ROPE TO THE SKIMMER
AND STAKE TO THE SIDE OF THE BASIN.
3. PROVIDE A 661' THICK RIP RAP PAD AT BOTTOM OF BASIN FOR SKIMMER TO REST ON WHEN POND IS DRY.
4. IF NECESSARY, CONTRACTOR SHALL SUBMIT A PLAN FOR TEMPORARY DEWATERING OF BASIN TO INSTALL RISER, BARREL, AND SKIMMER.
5. STABILIZE ALL BASIN SIDE SLOPES DISTURBED BY CONSTRUCTION BY SUITABLE MEANS IMMEDIATELY AFTER COMPLETING EACH BASIN.
6. ALTERNATE MATERIALS MAY BE USED IF APPROVED BY THE ENGINEER.
STRUCTURAL FILL
(CONSTRUCT WITH COHESIVE SOILS)
FILTER DIAPHRAGM (WIDTH = 11')
(SEE NOTE 1)
3
DRAIN SAND INTO
RIP -RAP
CUT-OFF TRENCH
4' (MIN.) (COMPACTED CLAY)
MAINTENANCE SCHEDULE
1. INSPECT SEDIMENT BASINS AT LEAST WEEKLY AND AFTER EACH SIGNIFICANT (ONE-HALF INCH OR GREATER) RAINFALL EVENT AND REPAIR IMMEDIATELY.
REMOVE SEDIMENT AND RESTORE THE BASIN TO ITS ORIGINAL DIMENSIONS WHEN SEDIMENT ACCUMULATES TO ONE-HALF THE HEIGHT OF THE FIRST
BAFFLE. PULL THE SKIMMER TO ONE SIDE SO THAT THE SEDIMENT UNDERNEATH IT CAN BE EXCAVATED. EXCAVATE THE SEDIMENT FROM THE ENTIRE
BASIN, NOT JUST AROUND THE SKIMMER OR FIRST CELL. MAKE SURE VEGETATION GROWING IN THE BOTTOM OF THE BASIN DOES NOT HOLD DOWN THE
SKIMMER.
2. REPAIR THE BAFFLES IF THEY ARE DAMAGED. RE -ANCHOR THE BAFFLES IF WATER IS FLOWING UNDERNEATH OR AROUND THEM.
3. IF THE SKIMMER IS CLOGGED WITH TRASH AND THERE IS WATER IN THE BASIN, USUALLY PULLING ON THE ROPE WILL MAKE THE SKIMMER BOB UP AND
DOWN AND DISLODGE THE DEBRIS AND RESTORE FLOW. IF THIS DOES NOT WORK, PULL THE SKIMMER TO THE SIDE OF THE BASIN AND REMOVE THE
DEBRIS. ALSO CHECK THE ORIFICE INSIDE THE SKIMMER TO SEE IF IT IS CLOGGED; IF SO REMOVE DEBRIS.
4. IF THE SKIMMER ARM OR BARREL PIPE IS CLOGGED, THE ORIFICE CAN BE REMOVED AND THE OBSTRUCTION CLEARED WITH A PLUMBER'S SNAKE OR BY
FLUSHING WITH WATER. BE SURE TO REPLACE THE ORIFICE BEFORE REPOSITIONING THE SKIMMER.
5. CHECK THE EMBANKMENT, SPILLWAYS, AND OUTLET FOR EROSION DAMAGE, AND INSPECT THE EMBANKMENT FOR PIPING AND SETTLEMENT. MAKE ALL
NECESSARY REPAIRS IMMEDIATELY. REMOVE ALL TRASH AND OTHER DEBRIS FROM THE SKIMMER AND POOL AREAS.
6. FREEZING WEATHER CAN RESULT IN ICE FORMING IN THE BASIN. SOME SPECIAL PRECAUTIONS SHOULD BE TAKEN IN THE WINTER TO PREVENT THE
SKIMMER FROM PLUGGING WITH ICE.
EXTENDED DRY DETENTION BASIN SCHEDULE
BASE EL.
CLEANOUT EL.
PRINCIPAL
SPILLWAY EL.
EMERGENCY
SPILLWAY EL.
TOP OF BERM
EL.
BERM WIDTH
BARREL SIZE
BARREL INV. IN
BARREL INV OUT
BARREL LENGTH
SKIMMER SIZE
SKIMMER ORIFICE
DIAMETER
SKIMMER ORIFICE
INV.
BASIN
(A)
(B)
(C)
(D)
(E)
(F)
(G)
(H)
(1)
(J)
(K)
(L)
(M)
(FEET)
(FEET)
(FEET)
(FEET)
(FEET)
(FEET)
(INCHES)
(MSL)
(MSL)
(FEET)
(INCHES)
(INCHES)
(MSL)
6
96.0
97.7
100.0
101.0
102.0
12'
18
96.0
95.0
50
4.0
3.3
96.1
7
98.0
99.2
100.0
101.0
102.0
12'
18
98.0
97.0
60
6.0
5.2
98.1
ZONE
y, 0
BASIN SURFACE
REA
1ST CELL
25% OF
BASIN
SURFACE
AREA
2ND CELL
25% OF
BASIN
SURFACE
AREA
OUTLET 2
15% OF
BASIN SURFACE
AREA
STAKE TO
SUPPORT WIRE
PLAN VIEW
SUPPORT ROPE TO WIRE
TO PREVENT SAGGING
N
COIR MESH OR SIMILAR, STAPLED OR
N TRENCHED INTO BOTTOM OR SIDE
00
ELEVATION
PERMIT ISSUE
NOT FOR CONSTRUCTION
SEDIMENT BASIN
DETAIL rl
NOT TO SCALE EC2
',Q
FENCE AND FABRIC
BURIED IN TRENCH
FLOW
6" x 6" TRENCH,
BACKFILLED
AND COMPACTED
STEEL POST
CV
SECTION A -A
SUPPORT POST 24" INTO
BASIN SUBGRADE AND SLOPES
�A
' - A
NOTES:
1. BAFFLE MATERIAL SHOULD BE SECURED AT THE BOTTOM AND SIDES USING
STAPLES OR BY TRENCHING AS FOR SILT FENCE.
2. MOST OF THE SEDIMENT WILL ACCUMULATE IN THE FIRST BAY, WHICH SHOULD
BE READILY ACCESSIBLE FOR MAINTENANCE.
3. PROVIDE 3 BAFFLES (USE TWO IF LESS THAN 20 FEET IN LENGTH).
4. BAFFLE SHALL BE 700 g/m2 COIR EROSION BLANKET.
5. TOPS OF BAFFLES SHOULD BE 2 INCHES LOWER THAN THE TOP OF THE BERMS.
6. INSPECT BAFFLES FOR REPAIR ONCE A WEEK AND AFTER EACH RAINFALL.
BAFFLES
DETAIL 2
NOT TO SCALE EC2
SEE NOTE 1
STEPS
(SEE NOTE 3)
24" 0 CAST IRO
FRAME & COVE
Sw X 1.0'H WEIR (4 SIDE!
EL=
ORIFICE FOR SKIMMER (L)
EL=1
CONCRE
5'X5'X2' REINF
A�
PLAN
VVIYII A\iILU VI\VJIILU JIVIYL ULUUIIYV
SECTION A -A
COMPACTED FILL IN
ANCHOR TRENCH (TYP.)
PRECAST CONCRETE TOP
PRECAST CONCRETE BOX
(SEE NOTE 2)
(G) BARREL SIZE
(SEE NOTE 1)
'jHT JOINTS ON ALL PIPING.
TE BOXES SHALL CONFORM TO THE FOLLOWING REQUIREMENTS:
H. l.Vlvl.KLIL. wmrRESSIVE STRENGTH 4000 PSI
B. REINFORCING: ASTM A-615, GRADE 60
C. MEETS H-20 LOADING.
3. PROVIDE STEPS FOR DROP INLETS WITH H>4.5'. STEPS SHALL HAVE A 16" SPACING THE
FULL HEIGHT OF THE DROP INLET. START FIRST STEP 6" BELOW TOP.
4. BASE MUST BE PHYSICALLY ATTACHED OR INTEGRATED INTO THE DESIGN OF THE RISER
STRUCTURE.
5. CONTRACTOR SHALL VERIFY LOCATION AND INVERT ELEVATION OF EXISTING OUTLET PIPE.
SEDIMENT BASIN RISER
DETAIL 3
NOT TO SCALE EC2
20' (MIN.)
2' (TYP.)
EMERGENCY SPILLWAY
DETAIL 4
NOT TO SCALE EC2
/ 2'
2
2'
WILSONCOUNTY
SOLID WASTE SERVICES
WILSON COUNTY, NE
PREPARED BY:
NC LIC. N0. F-1370 (ENGINEERING)
SC COA NO. CO1488
SM ITH
GARDNER
ENGINEERS
14 N. Boylan Avenue, Raleigh NC 27603 919.828.0577
1526 Richland St., Columbia SC 29201
SEAL
DocuSigned by: ••• CryR
�N `off •,
dot lf�t �jVl ESS/0/9 �i�,'•,��
358C21 E640C,¢`440... Q < 0
SEAL
Z.
028426
<v .
�'•. �i FNGINEE� G�.•`�
��''•ctigEL BR\ 145/2023
SEAL
REV. DATE DESCRIPTION
Electronic files are instruments of service provided by Smith
Gardner, Inc. for the convenience of the intended recipient(s), and
no warranty is either expressed or implied. Any reuse or
redistribution of this document in whole or part without the
written authorization of Smith Gardner, Inc., will be at the sole
risk of the recipient. If there is a discrepancy between the
electronic files and the signed and sealed hard copies, the hard
copies shall govern. Use of any electronic files generated or
provided by Smith Gardner, Inc., constitutes an acceptance of
these terms and conditions.
PROJECT TITLE:
LCID LANDFILL
PERMIT DRAWINGS
DRAWING TITLE:
EROSION AND SEDIMENTATION
CONTROL DETAILS
(SHEET 2OF4)
DESIGNED:
PROJECT NO:
S.W.H.
WILSON 22-4
DRAWN:
SCALE:
C.T.J.
AS SHOWN
APPROVED:
UA L
S�
MAY 2023
FILENAME:
WILSON-DO052
SHEET NUMBER:
DRAWING NUMBER:
8
EC2
© 2023 Smith Gardner, Inc.

DocuSign Envelope ID: 402542F2-155B-49B6-AB84-B201449BC047
PREPARED FOR:
WOVEN WIRE FENCE (MIN. 14 GAGE
WITH 6" MAX MESH SPACING) TO
SUPPORT FILTER FABRIC
Iii� A
LI1J LI1J
8' MAX.
ELEVATION
NOTE:
1. PLACE 10' MIN. LENGTH OF STONE FILTER FENCE AT
LOW POINTS ALONG SILT FENCE AND WHERE DIRECTED
BY THE ENGINEER TO RELEASE WATER. SEE DETAILe
EC3
1/2" MESH
HARDWARE CLOTH
3' MAX.
ELEVATION
a_ A
N
00
N
0
N
N I�
4' (MIN.) STEEL FENCE POST
("T" OR "U" TYPE)
FILTER FABRIC ATTACHED TO WIRE
GRADE LINE FENCE WITH PLASTIC OR WIRE TIES
CV
CV
I
O° FLOW
if
III
=
I 4" MIN. N
200
COMPACTED SOIL 8" (MIN.)
EMBEDMENT OF FILTER FABRIC
SECTION A -A
1. MAINTENANCE SCHEDULE
2. INSPECT SEDIMENT FENCES AT LEAST ONCE A WEEK AND AFTER EACH RAINFALL. MAKE ANY
REQUIRED REPAIRS IMMEDIATELY.
3. SHOULD THE FABRIC OF A SEDIMENT FENCE COLLAPSE, TEAR, DECOMPOSE, OR BECOME INEFFECTIVE,
REPLACE IT PROMPTLY.
4. REMOVE SEDIMENT DEPOSITS AS NECESSARY TO PROVIDE ADEQUATE STORAGE VOLUME FOR THE NEXT
RAIN AND TO REDUCE PRESSURE ON THE FENCE. TAKE CARE TO AVOID UNDERMINING THE FENCE
DURING CLEANOUT.
5. REMOVE ALL FENCING MATERIALS AND UNSTABLE SEDIMENT DEPOSITS AND BRING THE AREA TO
GRADE AND STABILIZE IT AFTER THE CONTRIBUTING DRAINAGE AREA HAS BEEN PROPERLY STABILIZED.
SILT FENCE
DETAIL
NOT TO SCALE EC3
STEEL POST
#5 WASHED STONE
GRADE LINE MAINTENANCE SCHEDULE
1.
INSPECT STONE FILTER FENCE AT LEAST ONCE A WEEK AND AFTER EACH
Z
RAINFALL. MAKE ANY REQUIRED REPAIRS IMMEDIATELY.
2.
SHOULD THE MESH HARDWARE CLOTH, POST, OR STONE OF A STONE
N
FILTER FENCE COLLAPSE, TEAR, MOVE, REPLACE IT PROMPTLY.
FLOW 3.
REMOVE SEDIMENT DEPOSITS WHEN HALF OF THE STONE OUTLET IS
COVERED TO ENSURE DEWATERING DURING THE NEXT RAIN EVENT. TAKE
CARE TO AVOID UNDERMINING THE STONE FILTER FENCE DURING CLEANOUT.
4.
REPLACE STONE AS NEEDED TO ENSURE DEWATERING. THE STONE HEIGHT
II
MUST BE AT LEAST 12 INCHES HIGH AND THERE MUST BE AT LEAST 12
WASHED STONE III N
INCHES OF SEPARATION BETWEEN THE TOP OF THE MESH HARDWARE
Ilb
CLOTH AND THE TOP OF THE STONE.
5.
REMOVE ALL STONE FILTER FENCING MATERIALS AND UNSTABLE SEDIMENT
DEPOSITS AND BRING THE AREA TO GRADE AND STABILIZE IT AFTER THE
CONTRIBUTING DRAINAGE AREA HAS BEEN PROPERLY STABILIZED.
SECTION A -A
STONE FILTER FENCE
DETAIL 2
NOT TO SCALE EC3
SECTION A -A
RIP RAP OUTLET PROTECTION SCHEDULE
PIPE
(FT)
(FT)
(IN)
(T)
SB-6
12
14
6
1
SB-7
14
16
6
1
DI -A
12
15
6
1
I II L VI J VLV IL/%I ILL
DRAINAGE CHANNEL
(WHERE APPLICABLE)
SEE NOTES 1 Al
SEE NOTE`.
VARIES
PRECAST CONCRETE BOX
(SEE NOTE 2)
OUTLET PIPE
(DIAMETER=C)
(SEE NOTE 1)
EL.=(B)
-DRAINAGE CHANNEL
(WHERE APPLICABLE)
co
6"
EL.=(A
VARIES
PLAN
(SEE NOTE 5)
PRECAST
CONCRETE
TOP
tD
a
II
II
0 I
s
0
7
J
SEE NOTE 4
1 W
VARIES
EL.=(D)
CONCRETE FILL (SLOPE TOWARD INVERT OUT)
COMPACTED CRUSHED STONE BEDDING
SECTION A -A
NOTES:
1. PROVIDE WATERTIGHT JOINTS ON ALL PIPING.
2. PRECAST CONCRETE BOXES SHALL CONFORM TO THE FOLLOWING REQUIREMENTS:
A. CONCRETE: COMPRESSIVE STRENGTH 4000 PSI.
B. REINFORCING: ASTM A-615, GRADE 60.
C. MEETS H-20 LOADING.
3. PIPES MAY BE ORIENTED DIFFERENTLY WITH RESPECT TO THE THE CHANNEL THAN
DISPLAYED HERE. SEE DRAWING EC1 FOR PROPER ORIENTATION.
4. THE CONTRACTOR SHALL PROVIDE ADEQUATE PROTECTION FROM SEDIMENTATION
FOR ALL DROP INLETS USING STONE FILTER FENCE PLACED AROUND PERIMETER.
SEE DETAIL
Q�2
5. PROVIDE STEPS FOR DROP INLETS WITH H>4.5'. STEPS SHALL HAVE A 16" SPACING
THE FULL HEIGHT OF THE DROP INLET. START FIRST STEP 6" BELOW TOP.
NOTES:
_
1. D5o REFERS TO THE MINIMUM REQUIRED AVERAGE
STONE SIZE.
2. FOR MORE THAN ONE PIPE, EXTEND RIP RAP 1.0' MIN.
BEYOND OUTSIDE EDGES OF PIPES.
3. FOR APRONS IN CHANNELS, EXTEND RIP RAP TO TOP
A
OF CHANNEL.
�j
M
0
z
1/6 Bc MIP
MAINTENANCE SCHEDULE
1. IN GENERAL, ONCE A RIPRAP INSTALLATION HAS BEEN
PROPERLY DESIGNED AND INSTALLED IT REQUIRES
VERY LITTLE MAINTENANCE. RIPRAP SHOULD BE
INSPECTED PERIODICALLY FOR SCOUR OR DISLODGED
STONES. CONTROL OF WEED AND BRUSH GROWTH
_
MAY BE NEEDED IN SOME LOCATIONS.
FLAN ,J50)
RIP RAP OUTLET PROTECTION
DETAIL r3
NOT TO SCALE EC3
DROP INLET
DETAIL r4
NOT TO SCALE EC3
MAINTENANCE SCHEDULE
1. INSPECT PIPE AND DROP INLETS AT LEAST WEEKLY AND AFTER
EACH SIGNIFICANT (ONE-HALF INCH OR GREATER) RAINFALL
EVENT.
2. CLEAR INLET PROTECTION MEASURES OF ANY DEBRIS OR
OTHER OBJECTS TO PROVIDE ADEQUATE FLOW FOR
SUBSEQUENT RAINS.
3. REPAIR DAMAGED INLET PROTECTION MATERIALS AND REPLACE
STONE AS NEEDED.
SEC11ON
CONCRETE PIPE INSTALLATION
DETAIL 5
NOT TO SCALE EC3
PERMIT ISSUE -
NOT FOR CONSTRUCTION
DROP INLET SCHEDULE
DROP INLET
A
(FEET)
B
(FEET)
C
(INCH)
D
(FEET)
E
(FEET)
F
(FEET)
DI -A
98.0
97.0
30
101.0
3.0
3.0
MAINTENANCE SCHEDULE
1. INSPECT CULVERTS AND DOWN PIPES AFTER EACH
RAINFALL UNTIL ALL AREAS ADJOINING THE CULVERT
OR DOWN PIPE ARE PERMANENTLY STABILIZED.
2. REPAIR ALL DAMAGE NOTED IN INSPECTIONS
IMMEDIATELY.
3. AFTER THE SLOPES ARE STABILIZED, PERFORM
FILL PERIODIC INSPECTION INCLUDING INSPECTION AFTER
JCTURAL FILL) MAJOR STORM EVENTS.
ING MATERIAL
JCTURAL FILL)
NOTES:
1. ALLOW D/2 BETWEEN MULTIPLE CULVERTS
2. H - BACKFILL COVER ABOVE TOP OF PIPE (12" MIN.)
Bc - OUTSIDE DIAMETER (12" MIN.)
D - INSIDE DIAMETER
WILSON COUNTY
SOLID WASTE SERVICES
WILSON COUNTY, NE
PREPARED BY:
NC LIC. NO. F-1370 (ENGINEERING)
SC COA NO. CO1488
SMITH =11=
GARDNER
ENGINEERS
14 N. Boylan Avenue, Raleigh NC 27603 919.828.0577
1526 Richland St., Columbia SC 29201
SEAL del3D5ocutS, igned fby:
L
�ui uA�Uf?i,9
I'
ES'V<,,
'-
�(,'o8C21'9 �:
SEAL
028426
�.
FNGIN- G�.•'�
''''•,,yA EL 5RAjt''�,5/2023
SEAL
REV. DATE DESCRIPTION
Electronic files are instruments of service provided by Smith
Gardner, Inc. for the convenience of the intended recipient(s), and
no warranty is either expressed or implied. Any reuse or
redistribution of this document in whole or part without the
written authorization of Smith Gardner, Inc., will be at the sole
risk of the recipient. If there is a discrepancy between the
electronic files and the signed and sealed hard copies, the hard
copies shall govern. Use of any electronic files generated or
provided by Smith Gardner, Inc., constitutes an acceptance of
these terms and conditions.
PROJECT TITLE:
LCID LANDFILL
PERMIT DRAWINGS
DRAWING TITLE:
EROSION AND SEDIMENTATION
CONTROL DETAILS
(SHEET 3OF4)
DESIGNED:
PROJECT NO:
S.W.H.
WILSON 22-4
DRAWN:
SCALE:
C.T.J.
AS SHOWN
APPROVED:
DATE:
SU;Ik
MAY 2023
FILENAME:
WILSON-DO052
SHEET NUMBER:
DRAWING NUMBER:
9
EC3
1 © 2023 Smith Gardner, Inc.

DocuSign Envelope ID: 402542F2-155B-49B6-AB84-B201449BC047
A
/ \ ROLLED EROSION CONTROL PRODUCT (RECP)
FOR ANCHOR LAYOUT
/ RECP
Li
TYPICAL CHANNEL CROSS SECTION
30' MAX
TYPICAL CHANNEL PROFILE
D
B
nAL An A ni-rn n A nvru i
RECP
COMPACTED BACK
A. LONGITUDINAL ANCHOR TRENCH
ri Aw
v
D. INTERMITTENT CHECK SLOT
NOTES:
1. PLACE ANCHORS AT ANCHOR TRENCHES, OVERLAPS, AND CHECK SLOTS ON 1 FOOT CENTERS.
IF APPLICABLE, STAGGER ANCHOR SPACING BETWEEN MULTIPLE ROWS OF ANCHORS.
INSTALLATION OF ROLLED EROSION CONTROL PRODUCTS (CHANNELS)
DETAIL
NOT TO SCALE EC4
RECP
B. OVERLAP AT ADJACENT EDGES
12"
E. OVERLAP AT ROLL ENDS
(TYP•)
RECP
kNCHOR (TYP.)
li
C. UPSTREAM TERMINAL ANCHOR TRENCH
U
F. DOWNSTREAM TERMINAL ANCHOR TRENCH
AkiniiAn /TYP)
3'
6'
E
3'
1 ANCHOR YD2 1.5 ANCHORS/YD2 2 ANCHORS/YD2
ANCHOR LAYOUT
DETAIL(a:)
NOT TO SCALE EC4
A
/ � B
TYPICAL SLOPE PROFILE \
12
2.5 ANCHORS/YD 2
W
0
A. UPSLOPE TERMINAL ANCHOR TRENCH
RECP
lam•)
TYPICAL SLOPE PLAN VIEW
RECP
Flow
r
B. OVERLAP AT ROLL ENDS
C. OVERLAP AT ADJACENT EDGES D. DOWNSLOPE TERMINAL ANCHOR TRENCH
NOTE:
1. PLACE ANCHORS AT ANCHOR TRENCHES, OVERLAPS, AND CHECK SLOTS ON 1 FOOT CENTERS.
IF APPLICABLE, STAGGER ANCHOR SPACING BETWEEN MULTIPLE ROWS OF ANCHORS.
INSTALLATION OF ROLLED EROSION CONTROL PRODUCTS (SLOPES)
DETAIL 2
NOT TO SCALE EC4
ANCHOR LAYOUT
ECP
OR (TV.)
PERMIT ISSUE
NOT FOR CONSTRUCTION
PREPARED FOR:
WILSON COUNTY
SOLID WASTE SERVICES
WILSON COUNTY, NE
PREPARED BY:
NO LIC NO. F-1370 IENGINEERING)
SC COA NO. C01488
SMIT H+
GARDNER
ENGINEERS
14 N. Boylan Avenue, Raleigh NC 27603 919.828.0577
1526 Richland St., Columbia SC 29201
SEAL
DocuSigned by: ►,,,,,,����� C I,,,,,��•
FESS'1/0^�'�/'� •�'•.
358C21 E64007''40.� Q�0 ' ✓.9< •!
SEAL
028426
4-1 FNGINEE��G�
••,,,, �A ,, , B5/202 3
SEAL
REV. DATE DESCRIPTION
Electronic files are instruments of service provided by Smith
Gardner, Inc. for the convenience of the intended recipient(sl, and
no warranty is either expressed or implied. Any reuse or
edistribution of this document in whole or part without the
written authorization of Smith Gardner, Inc., will be at the sole
risk of the recipient. If there is a discrepancy between the
electronic files and the signed and sealed hard copies, the hard
copies shall govern. Use of any electronic files generated or
provided by Smith Gardner, Inc., constitutes an acceptance of
these terms and conditions.
PROJECT TITLE:
LCID LANDFILL
PERMIT DRAWINGS
DRAWING TITLE:
EROSION AND SEDIMENTATION
CONTROL DETAILS
(SHEET 4OF4)
DESIGNED:
PROJECT NO:
WILSON 22-4
DRAWN:
SCALE:
AS SHOWN
APPROVED: os
DATE:
SUN
MAY 2023
FILENAME:
WILSON-DO052
SHEET NUMBER:
DRAWING NUMBER:
10
EC4
© 2023 Smith Gardner, Inc.