HomeMy WebLinkAboutSW8051005_HISTORICAL FILE_20051116STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO.
SW�UU J
DOC TYPE
❑ CURRENT PERMIT
❑ APPROVED PLANS
HISTORICAL FILE
COMPLIANCE EVALUATION INSPECTION
DOC DATE
.22eRu//Cf
YYYYMMDD
State Stormwater Management Systems
Permit No SW8 051005
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
STATE STORMWATER MANAGEMENT PERMIT
HIGH DENSITY DEVELOPMENT
In accordance with the provisions of Article 21 of Chapter 143, General Statutes of
North Carolina as amended, and other applicable Laws, Rules, and Regulations
PERMISSION IS HEREBY GRANTED TO
Pender County Schools
Burgaw Elementary School Addition
3 blocks from the intersection of Bridgers & Wright St, Burgaw - Pender County
FOR THE
construction, operation and maintenance of a wet detention pond in compliance with
the provisions of 15A NCAC 2H 1000 (hereafter referred to as the "stormwater rules')
and the approved stormwater management plans and specifications and other
supporting data as attached and on file with and approved by the Division of Water
Quality and considered a part of this permit
This permit shall be effective from the date of issuance until November 16, 2015, and
shall be subject to the following specified conditions and limitations
I DESIGN STANDARDS
1 This permit is effective only with respect to the nature and volume of stormwater
described in the application and other supporting data
2 This stormwater system has been approved for the management of stormwater
runoff as described in Section 16 on page 3 of this permit The stormwater
control has been designed to handle the runoff from 112,545 square feet of
impervious area There is 91,830 square feet of existing impervious area on site
that will not be treated by the proposed stormwater system
3 The tract will be limited to the amount of built -upon area indicated on page 3 of
this permit, and per approved plans The built -upon area for the future
development is limited to 8,154 square feet
4 All stormwater collection and treatment systems must be located in either
dedicated common areas or recorded easements The final plats for the project
will be recorded showing all such required easements, in accordance with the
approved plans
5 The runoff from all built -upon area within the permitted drainage area of this
project must be directed into the permitted stormwater control system
Page 2 of 7
State Stormwater Management Systems
Permit No SW8 051005
6 The following design criteria have been provided in the wet detention pond and
must be maintained at design condition
a Drainage Area, 9cres
Onsite, ft
Offsite, ft2
b Total Impervious Surfaces, ft2
c Design Storm, inches
d Pond Depth, feet
e TSS removal efficiency
f Permanent Pool Elevation, FMSL
g Permanent Pool Surface Area, ft2
h Permitted Storage Volume, ft3
Temporary Storage Elevation, FMSL
I Controlling Orifice
k Permitted Forebay Volume, ft3
1 Receiving Stream/River Basin
m Stream Index Number
n Classification of Water Body
II. SCHEDULE OF COMPLIANCE
4 317
188,025
0
112,545
1
4
90%
300
17,408
11,461
3060
2 0" 0 pipe
8,674
Osgood Branch 1 Cape Fear
18-74-39-1
"C Sw"
1 The stormwater management system shall be constructed in its entirety,
vegetated and operational for its intended use prior to the construction of any
built -upon surface
2 During construction, erosion shall be kept to a minimum and any eroded areas of
the system will be repaired immediately
3 The permittee shall at all times provide the operation and maintenance
necessary to assure the permitted stormwater system functions at optimum
efficiency The approved Operation and Maintenance Plan must be followed in
its entirety and maintenance must occur at the scheduled intervals including, but
not limited to
a Semiannual scheduled inspections (every 6 months)
b Sediment removal
c Mowing and revegetation of slopes and the vegetated filter
d Immediate repair of eroded areas
e Maintenance of all slopes in accordance with approved plans and
specifications
f Debris removal and unclogging of outlet structure, orifice device, flow
spreader, catch basins and piping
g Access to the outlet structure must be available at all times
Page 3 of 7
State Stormwater Management Systems
Permit No SW8 051005
4 Records of maintenance activities must be kept and made available upon
request to authorized personnel of DWQ The records will indicate the date,
activity, name of person performing the work and what actions were taken
5 Decorative spray fountains will be allowed in the stormwater treatment system,
subject to the following criteria
a The fountain must draw its water from less than 2' below the permanent
pool surface
b Separated units, where the nozzle, pump and intake are connected by
tubing, may be used only if they draw water from the surface in the
deepest part of the pond
c The falling water from the fountain must be centered in the pond, away
from the shoreline
d The maximum horsepower for a fountain in this pond is 118 horsepower
6 The facilities shall be constructed as shown on the approved plans This permit
shall become voidable unless the facilities are constructed in accordance with
the conditions of this permit, the approved plans and specifications, and other
supporting data
7 Upon completion of construction, prior to issuance of a Certificate of Occupancy,
and prior to operation of this permitted facility, a certification must be received
from an appropriate designer for the system installed certifying that the permitted
facility has been installed in accordance with this permit, the approved plans and
specifications, and other supporting documentation Any deviations from the
approved plans and specifications must be noted on the Certification A
modification may be required for those deviations
8 If the stormwater system was used as an Erosion Control device, it must be
restored to design condition prior to operation as a stormwater treatment device,
and prior to occupancy of the facility
9 Access to the stormwater facilities shall be maintained via appropriate
easements at all times
10 The permittee shall submit to the Director and shall have received approval for
revised plans, specifications, and calculations prior to construction, for any
modification to the approved plans, including, but not limited to, those listed
below
a Any revision to any item shown on the approved plans, including the
stormwater management measures, built -upon area, details, etc
b Project name change
c Transfer of ownership
d Redesign or addition to the approved amount of built -upon area or to the
drainage area
e Further subdivision, acquisition, lease or sale of all or part of the project
area The project area is defined as all property owned by the permittee,
for which Sedimentation and Erosion Control Plan approval or a CAMA
Major permit was sought
f Filling in, altering, or piping of any vegetative conveyance shown on the
approved plan
11 The permittee shall submit final site layout and grading plans for any permitted
future areas shown on the approved plans, prior to construction
12 A copy of the approved plans and specifications shall be maintained on file by
the Permittee for a minimum of ten years from the date of the completion of
construction
Page 4 of 7
State Stormwater Management Systems
Permit No SW8 051005
13 The Director may notify the permittee when the permitted site does not meet one
or more of the minimum requirements of the permit Within the time frame
specified in the notice, the permittee shall submit a written time schedule to the
Director for modifying the site to meet minimum requirements The permittee
shall provide copies of revised plans and certification in writing to the Director
that the changes have been made
III GENERAL CONDITIONS
This permit is not transferable except after notice to and approval by the Director
In the event of a change of ownership, or a name change, the permittee must
submit a formal permit transfer request to the Division of Water Quality,
accompanied by a completed name/ownership change form, documentation
from the parties involved, and other supporting materials as may be appropriate
The approval of this request will be considered on its merits and may or may not
be approved The permittee is responsible for compliance with all permit
conditions until such time as the Division approves the transfer request
2 Failure to abide by the conditions and limitations contained in this permit may
subject the Permittee to enforcement action by the Division of Water Quality, in
accordance with North Carolina General Statute 143-215 6A to 143-215 6C
3 The issuance of this permit does not preclude the Permittee from complying with
any and all statutes, rules, regulations, or ordinances, which may be imposed by
other government agencies (local, state, and federal) having jurisdiction
4 In the event that the facilities fail to perform satisfactorily, including the creation
of nuisance conditions, the Permittee shall take immediate corrective action,
including those as may be required by this Division, such as the construction of
additional or replacement stormwater management systems
5 The permittee grants DENR Staff permission to enter the property during normal
business hours for the purpose of inspecting all components of the permitted
stormwater management facility
6 The permit may be modified, revoked and reissued or terminated for cause The
filing of a request for a permit modification, revocation and relssuance or
termination does not stay any permit condition
7 Unless specified elsewhere, permanent seeding requirements for the stormwater
control must follow the guidelines established in the North Carolina Erosion and
Sediment Control Planning and Design Manual
8 Approved plans and specifications for this project are incorporated by reference
and are enforceable parts of the permit
9 The permittee shall notify the Division any name, ownership or mailing address
changes within 30 days
Permit issued this the 161" day of November
NORTH ROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
r
for an Klimek, P E ,Director
Division of Water Quality
By Authority of the Environmental Management Commission
Page 5 of 7
State Stormwater Management Systems
Permit No SW8 051005
Burgaw Elementary School Addition
Stormwater Permit No SW8 051005
Pender County
Designer's Certification
1, , as a duly registered
in the State of North Carolina, having been authorized to observe (periodically/ weekly/
full time) the construction of the protect,
(Project)
for (Project Owner) hereby state that, to the
best of my abilities, due care and diligence was used in the observation of the project
construction such that the construction was observed to be built within substantial
compliance and intent of the approved plans and specifications
The checklist of items on page 2 of this form is included in the Certification
Noted deviations from approved plans and specification
Signature
Registration Number
Date
SEAL
Page 6of7
State Stormwater Management Systems
Permit No SW8 051005
Certification Requirements
1 The drainage area to the system contains approximately the permitted
acreage
2 The drainage area to the system contains no more than the permitted
amount of built -upon area
3 All the built -upon area associated with the project is graded such that the
runoff drains to the system
4 All roof drains are located such that the runoff is directed into the system
5 The outlet/bypass structure elevations are per the approved plan
6 The outlet structure is located per the approved plans
7 Trash rack is provided on the outlet/bypass structure
8 All slopes are grassed with permanent vegetation
9 Vegetated slopes are no steeper than 3 1
10 The inlets are located per the approved plans and do not cause short-
circuiting of the system
11 The permitted amounts of surface area and/or volume have been
provided
12 Required drawdown devices are correctly sized per the approved plans
13 All required design depths are provided
14 All required parts of the system are provided, such as a vegetated shelf,
and a forebay
15 The required system dimensions are provided per the approved plans
cc NCDENR-DWQ Regional Office
Warren Holt, Pender County Building Inspections
Page 7of7
r
State of North Carolina
Department of Environment and Natural Resources
Wilmington Regional Office
(910) 796-7215
Michael F EasIey, Governor William G Ross Jr, Secretary
FAX COVER SHEET
Date: /j « 4S� # pages (exclude g cover)
To: From: 64"Z-„ „%c%,✓
CO: Division: SWP
FAX #: 9/o - -iy3 - f6oy FAX#: 910-350-2004
REMARKS:
127 Cardinal Drive Fxtension, Wilmington, N C 28405-3845'Ielephone (910) 796-7215 Fax(910) 350-2004
An Equal Opportunity AfCtrmatwe Action Employer
P 1
FILE MODE
— —
174 MEMORY TX
* * * COMMUNi-ATION RESULT REPORT ( NOV 16 2005
OPTION
REASON FOR ERROR
E-1) HANG UP OR LINE FAIL
E-3) NO ANSWER,
ADDRESS (GROUP)
------ 9-3439604
5 09PM )
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RESULT
OK
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E-4) NO FACSIMILE CONNECTION
State of North Carolina
Deparanent of Environment and Natural Resources
Wilmington Regional Office
(910) 796-7215
Michael F. Easley, Governor William G. Ross Jr, Secretary
FAX COVER SHEET
Date: Ij 11616 # pages (excluding cover) l _.
To: ,, c � From:
CO: Division: -SWP� FAX #:�'ia„: � S�3 - � FAX#: 910-350-2004
xEmnRxs:
137 Curdfnal Drive Extonsion, W11mmCtan, N.0 2S405-3845'f'1•leptano (018) 79&7215 FAX(910) 350.2044
An Equal Oppbrttinity Affirmative ACtt6n Empleyer
NORRIS, KUSKE &TUNSTALL
CONSULTING ENGINEERS, INC
November 10, 2005
Mr Robert D Gordon, Environmental Engineer II
NC DENR
Division of Water Quality
Water Quality Section
127 Cardinal Drive Extension
Wilmington, NC 28405-3845
Re Burgaw Elementary
SWS 051005
Express Review Comments
NKT Project No 05200
Dear Mr Gordon
J Phillip Norris, PE
John A Kuske, III, PE
John S Tunstall, PE
J A Kuske, PE of Counsel
RECEIVED
NOV Z 4 2005
BY
We are responding to your faxed comments of November 10, 2005 as follows
The new building has been dimensioned
2` A north arrow has been added
✓3 A note has been added indicating the existing impervious area to remain and be
removed
We are enclosing two (2) sets of revised plans for your continued review and approval
Please contact us if you have any further questions or comments Thank you for your
assistance on this project
Sincerely,
NORRIS, KUSKE & TUNSTALL
CONSULTING ENGINEERS, INC.
. 7 1 � " azo
J hllhp Norris, P E
JPNlasn
05200 11-10-05-s-sw response-hr
cc Roger Leeson, AIA / LS3PIBoney
902 Market Street • Wilmington, NC 28401-4733 • Phone 910 343 9653 • Fax 910 343 9604
f
P 1
COMMUNICATION RESULT REPORT ( NOV 10 2005 10 42AM )
TTI NCDENR WIRO
FILE MODE OPTION ADDRESS (GROUP) RESULT PAGE
------------------------------------------------------------------_----_-_-------__----------------
038 MEMORY TX 93439604 OK P 1/1
REASON FOR ERROR
E-1) HANG UP OR LINE FAIL
E-3) NO ANSWER
9
E-2) BUSY
E-4) NO FACSIMILE CONNECTION
FAX COVER SHEET
Date: November 10, 2005 No. of pages: 1
To: Phll Norris, PE From: Robert Gordon
Express permitting sectlon
Company: Norris, Kuske & Tunstall FAX # 910.350-2004
FAX #: 910-343-9604 Phone # 910-796.7303
DWQ Stormwater Project Number: SW8 051005
Project Name: Burgaw Elementary
MESSAGE:
The Burgaw Elementary permit has been drafted and reviewed, There are just a
flew additional items that are necessary before I can issue the permit.
✓• Please dimension the new budding
�/` �/• Please include a North arrow on the drawings
kl� at Please indicate which existing impervious surface (especially within the DA of
1L t the pond) is going to be removed
Give me a call if there are any questions, Thanks.
FAX COVER SHEET
Date- November 10, 2005 No. of Pages- 1
To. Phil Norris, PE From. Robert Gordon
Express permitting section
Company. Norris, Kuske & Tunstall FAX # 910-350-2004
FAX #: 910-343-9604 Phone # 910-796-7303
DWQ Stormwater Project Number: SW8 051005
Project Name- Burgaw Elementary
MESSAGE:
The Burgaw Elementary permit has been drafted and reviewed There are just a
few additional items that are necessary before I can issue the permit
• Please dimension the new building
• Please include a North arrow on the drawings
• Please indicate which existing impervious surface (especially within the DA of
the pond) is going to be removed
Give me a call if there are any questions Thanks
NORRIS, KUSKE
TUNSTALL
CONSULTING ENGINEERS, INC
November 2, 2005
Mr Robert D Gordon, Environmental Engineer II
NC DENR
Division of Water Quality
Water Quality Section
127 Cardinal Drive Extension
Wilmington, NC 28405-3845
Re Burgaw Elementary School Addition
Stormwater Permit No SW8 051005
Additional Information
Pender County
NKT Project No 05200
Dear Mr Gordon
NOV 0 3 1Q05
We are responding to your comment letter of November 1, 2005 as follows
J Phillip Norris, PE
John A Kuske, III, PE
John 5 Tunstall, PE
J A Kuske, PE of Counsel
We have revised the application to reflect the overall site area and percent impervious
coverage We have revised the narrative to indicate the amount of existing impervious
coverage
2 The application has been revised
3 The permanent pool of the pond has now been dimensioned
4 The sediment removal depth has been changed to 3 feet The pond bottom has been
changed to 4 feet
We are enclosing two (2) sets of revised plans, one (1) revised Page 2 of 4 of SWU-101
application form, one (1) revised Pages 1 of 4 and 3 of 4 of SWU-102 application form, and
one (1) copy of the revised narrative for your continued review and approval Please contact
us if you have any further questions or comments Thank you for your assistance on this
project
Sincerely,
NORRIS, KUSKE & TUNSTALL
CONSULTING ENGINEERS, INC.
UV W
Wk—
J illlp Norris, P E
JPNlasn
05200 11-02-05-s-sw response-Rr
cc Ted Kaniuka 1 Pender County Schools
Roger Leeson, AIA / LS3P/Boney
902 Market Street - Wilmington, NC 28401-4733 - Phone 910 343 9653 - Fax 910 343 9604
P 1
* * * COMMUNICATION RESULT REPORT ( NOV 1 2005
FILE MODE OPTION ADDRESS (GROUP)
-----_------------------------------------------------------
936 MEMORY TX 93439604
REASON FOR ERROR
E-1) HANG UP OR LINE FAIL
E-3) NO ANSWER
4 52PM )
TTI
RESULT
--------OK-_
NCDENR WIRO
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-------- -----
P 3/3
E-2) BUSY
E-4) NO FACSIMILE CONNECTION
Fax COVER SHEET
Date: October 31, 2005 No, of Pages; 3
To: Phil Norris, PE From: Robert Gordan
Express permitting sect on
Company: Norris, Kuske & Tunsta#1 FAX # 910-350-2004
FAX #: 910-343-9604 Phone # 910-7964303
DWQ Stormwater Project Number: SW8 051005
Project Name: Burgaw Elementary School Addition
MESSAGE:
Attached is the request for additional information for Burgaw Elementary School
Addition. The original will be mailed to the applicant and a copy will also be
mailed to you Note — on #3 of the attached letter, I need this because my scaled
measurement of the surface area of the PP is 5.10% less than what was listed in
the caics (also we would rather have the PP dimensions than the top of pond)
Give me a call if there are any questions Thanks
FAX COVER SHEET
Date. October 31, 2005 No. of Pages: 3
To. Phil Norris, PE From. Robert Gordon
Express permitting section
Company- Norris, Kuske & Tunstall FAX # 910-350-2004
FAX #• 910-343-9604 Phone # 910-796-7303
DWQ Stormwater Project Number- SWS 051005
Project Name: Burgaw Elementary School Addition
MESSAGE:
Attached is the request for additional information for Burgaw Elementary School
Addition The original will be mailed to the applicant and a copy will also be
mailed to you Note — on #3 of the attached letter, I need this because my scaled
measurement of the surface area of the PP is 5-10% less than what was listed in
the talcs (also we would rather have the PP dimensions than the top of pond)
Give me a tali if there are any questions Thanks
�pF W A p Michael F Easley, Governor
p G William G Ross, Jr , Secretary
r North Carolina Department of Environment and Natural Resources
4 Alan W Klimek, P E Director
Division of Water Quality
November 1, 2005
Mr Ted Kaniuka, Superintendent
Pender County Schools
925 Penderlea Highway
Burgaw, NC 28425
Subject Request for Additional Information
Stormwater Project No. SW8 051005
Burgaw Elementary School Addition
Pender County
Dear Mr Kaniuka
The Wilmington Regional Office received a Stormwater Management Permit Application for
Burgaw Elementary School Addition on October 17, 2005 for a scheduled review on October
27, 2005 A preliminary review of that information has determined that the application is not
complete The following information is needed to continue the stormwater review
1 All existing impervious surface on site must be documented (but not necessarily
treated) Please dimension all impervious surfaces (proposed and exas#iiag) Indicate
what is to be removed and what is to remain On section III (6) of the application,
complete another DA column for the untreated portion of the site that breaks down the
existing untreated built -upon area (and indicate if there is any existing BUA that is within
the pond DA)
ZThe project BUA on section III (4) of the application must include all impervious surface,
/ not just the new Please correct this figure
✓ 3 Please dimension the permanent pool of the pond
4 The minimum pond depth is 3 ft The sediment removal depth on page 3 of the
supplement cannot be less than 3 ft Having no allowable sediment accumulation is
permittable, but will result in frequent maintenance (or the main bay may be
overexcavated to allow for sediment accumulation
=> Additional fees, not to exceed 50% of the original permit application fee, may be
charged for subsequent reviews due to the insufficiency of a permit application, as
specified by Section 11 4A of S L 2003-284 This project may be charged an additional
fee if all of the above items are not corrected by the date specified below
Please note that this request for additional information is in response to a preliminary review
The requested information should be received by this Office prior to November 10, 2005, or the
application will be returned as incomplete The return of a project will necessitate resu bmittal of
all required items, including the application fee
If you need additional time to submit the information, please mail or fax your request for a time
extension to the Division at the address and fax number at the bottom of this letter Th e
request must indicate the date by which you expect to submit the required information.
North Carolina Division of Water Quality 127 Cardinal Drive Extension Phone (910) 796 7215 Customer Service 1 -877-623-6748 One
Wilmington Regional Office Wilmington NC 28405 3845 FAX (910) 350 2004 Intemet h2o enr state ric us NorthCarolina
An Equal Opportunity/Affirmative Action Employer - 50°% Recycled110% Post Consumer Paper lVida ai`Y
Burgaw Elementary School Addition
November 1, 2005
Stormwater Permit # SW8 051005
The construction of any impervious surfaces, other than a construction entrance under an
approved Sedimentation Erosion Control Plan, is a violation of NCGS 143-215 1 and is subject
to enforcement action pursuant to NCGS 143-215 6A
Please reference the State assigned project number on all correspondence Any original
documents that need to be revised have been sent to the engineer or agent All original
documents must be returned or new originals must be provided Copies are not acceptable If
you have any questions concerning this matter please feel free to call me at (910) 796-7303
Sincerely, 1
Robert D Gordon
Environmental Engineer II
ENBIRDG SIWQSISTORMWATERIADDINFO120051051005Nov1
cc Phil Norris, PE, Norris, Kuske & Tunstall
Robert D Gordon
"AAM NORRIS, KUSKE & TUNSTALL
CONSULTING ENGINEERS, INC
October 14, 2005
Mr Cameron Weaver, Express Review Coordinator
NC DENR Division of Water Quality
127 Cardinal Drive Extension
Wilmington, NC 28405-3845
Re State Stormwater Permit Express Review Submittal
Burgaw Elementary School Addition
Burgaw, NC
NKT Project No 05200
Dear Mr Weaver
J Phillip Norris, PE
John A Kuske, III, PE
John S Tunstall, PE
J A Kuske, PE of Counsel
Enclosed are two (2) sets of plans for the subject project, one (1) drainage area basin
delineation plan, one (1) set of calculations, one (1) copy of the stormwater narrative,
the original Division of Water Quality Stormwater Management Permit application, the
original SWU-102 supplement form, and a $4,000 00 check for the express permit
review fee
Please review this information for approval and contact us with any questions or
comments you may have Thank you for your assistance on this project
Sincerely,
NORRIS, KUSKE, & TUNSTALL
CONSULTING ENGINEERS, INC.
"TwItJ illip Norris, P E
JPNlasn
0520010-14-05-s-sw express-Itr
Enclosures
� "- aN3Y1-
cc Ted Kaniuka 1 Pender County Schools
Roger Leeson, AIA I LS3PIBoney
CEiVED
OCT 1 7 2005
BY. 051 D DS
902 Market Street 0 Wilmington, NC 28401-4733 • Phone 910 343 9653 • Fax 910 343 9604
10/09/2005
4A�oR.
1/—
D
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ID 127
TGE 16:59 FAX 910 343 9604 Norris, Kuske, Tunstall
NCDENR �F—�
North Carolina Department of Environment sod Natural Resources
127 Cardinal Dnve, Wilmington NC 28405 (910) 395-3900 FAX (910) 350.2004
Request for Express Permit Review
9 001/009
NKT #05200
FILL-IN all information below and CHECK required Permit(s).
FAX or ®mall to Cameron Weave ricmail net along with a narrative and vicinity maa of the project location
Projects must be submitted by 9.00 A.M. of the review date, unless prior arrangements are made.
APPLICANT Name Ted Kaniuka, Superintendent
Company Pender County Schools
Address 925 Penderlea Highway—City/State Bur aw NC Zip 28425 County Pender
Phone 910-259-2187 Fax 910-259V 33 Email NIA
PROJECT Name Buroaw Elementary School Addition
PROJECT SYSTEM(S) TRIBUTARY TO OSGOOD BRANCH (STREAM NAME) Cape Fear RIVER BASIN
ENGINEER/CONSULTANT J Phillip Noms, P E
Company Norris, Kuske & Tunstall Consulting Engineers, Inc
Address 902 Market Street City/State Wilmington, NC Zip 28401 County New Hanover
@ Phone 910-343-9653 Fax 910-343-9604 Email onoms nkteng corn
State or National Environmental Policy Act (SEPA, NEPA) — EA or EIS Required ❑ Yes ® No
® STREAM ORIGIN Determination; # of stream calls, Stream Name Osgood Branch
® STORMWATER ❑ Low Density ® High Density -Detention Pond ❑ High Density -Other
Wetlands MUST be addressed below ❑ Low Density -Curb & Gutter ❑ High Density -Infiltration ❑ Off Site
❑ COASTAL ❑ Excavation & Fill ❑ Bridges & Culverts ❑ Structures Information
MANAGEMENT ❑ Upland Development ❑ Manna Development ❑ Urban Waterfront
® LAND QUALITY ® Erosion and Sedimentation Control Plan with 9 0 acres to be disturbed ^
WETLANDS (401) Wetlands on Property ® Yes ❑ No Isolated Wetlands on Property ❑ yes ❑ No
Check all that apply Wetlands Will Be Impacted ❑ Yes ® No Wetland Impacts Acre(s)
Wetlands Delineation has been completed ® Yes ❑ No ❑ Buffers Impacted Acres)
USA COE Approval of Delineation completed ® Yes ❑ No
404 Application in process w/USACOE ❑Yes ®No ! Permit received from USACE ❑Yes ❑No
401 Application required []Yes ® No If Yes, ❑ Regular ❑ Express
Additional fees, not to exceed 50% of the original Express Review permit application fee, may be charged for
subsequent reviews due to the insufficiency of the permit applications
For DENR use only
SUBMITTAL DATES Fee Split for multiple permits
SW $
CAMA $
LOS $
401 $ Total Fee Amount $
10/04/2005 TUE 17, 00 FAX 910 343 9604 Norris, Kuske, Tunstall
It 009/00R
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VICINITY MAP
NO SCALE
i
10/04/2005 TUE 16;59 FAX 910 343 9604 Norris, Kuske, Tunstall
4 003/009
NARRATIVE
DESCRIPTION
The project site is a 13 92 acre tract located in Burgaw, NC The soils of the site
consist of lightly vegetated, sandy clay topsoil and grades ranging from 0 5% to 2 0%
Approximately 9 0 acres will be graded to allow the expansion of the Burgaw
Elementary School with paved parking and paved access The runoff from the site is
estimated using the rational method 10-year design storm and rainfall data for the area
Construction is scheduled to begin as soon as all permits and approvals are obtained
EROSION CONTROL MEASURES
The attached plans and specifications outline the requirements for erosion
control measures Silt fencing will be provided along each side of the entrance dnve
where stormwater would be expected to sheet flow from disturbed areas directly to
adjacent property The detention pond will be used as a silt basin during construction
and restored to its design contours prior to completion A gravel construction entrance
will be constructed at the entrance Maintenance will be provided by the grading
contractor and developer
STORMWATER MANAGEMENT MEASURES
The project site Is located in Pender County Land disturbing on the site will
exceed one acre, which requires the site to comply with the State Regulations The
stormwater runoff from the development will be directed to the stormwater detention
pond
CONSTRUCTION SEQUENCE
The Contractor will install the gravel construction entrance and silt fence prior to
beginning any clearing and grading operations Additional silt fence will be installed
when and if conditions warrant during construction The detention pond/silt basin will
be constructed immediately after that portion of the site is cleared, and outlet structure
with protection will be installed Disturbed areas will be landscaped or seeded upon
completion
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EROSION CONTROL NOTES AND MAINTENANCE PLAN
Install erosion control measures before beginning construction or as soon
thereafter as possible All erosion and sediment control practices will be
checked for stability and operation following every runoff -producing rainfall but to
no case less than once every week Any needed repairs will be made
immediately to maintain all practices as designed
2 Maintain the gravel construction entrances in a condition to prevent mud or
sediment from leaving the construction site The contractor shall inspect the
construction entrances on a daily basis This will require periodic top dressing
with additional No 4 stone Any objectionable materials spilled, washed, or
tracked onto public roadways shall be removed immediately
3 Install erosion control measures around the drop inlets as shown on the plans to
trap silt during construction Inspect the erosion control around the inlets after
each rain and make repairs immediately Remove sediment when it becomes
0 50 deep to provide adequate storage volume for subsequent rains When the
contributing drainage area has been adequately stabilized, remove all materials
and any unstable soil and either salvage or dispose of it properly Bring the
disturbed area to proper grade and appropriately stabilize all bare areas around
the drop inlets
4 Sediment will be removed from behind the silt fence when it becomes 0 5 feet
deep at the fence The sediment fence will be repaired as necessary to maintain
a barner Silt fence stakes shall be spaced 6 feet apart unless a wire backing is
used with 8 foot stake spacing
5 Inspect temporary sediment traps 1 check dams after each period of significant
rainfall Remove sediment and restore the trap to its original dimensions when
the sediment has accumulated to one-half the design depth of the trap Place
the sediment that is removed in the designated disposal area and replace the
contaminated part of the gravel facing Check the structure for damage from
erosion or piping Periodically check the depth of the spillway to ensure it is a
minimum of 1 5 ft below the low point of the embankment Immediately fill any
settlement of the embankment to slightly above design grade Any nprap
displaced from the spillway must be replaced immediately After all sediment -
producing areas have been permanently stabilized, remove the structure and all
unstable sediment Smooth the area to blend with the adjoining areas and
stabilize properly
6 No cut or fill slopes shall exceed a side slope of 1 vertical to 3 horizontal unless
otherwise specified on the plan All slopes shall be seeded and stabilized within
15 days
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7 The stormwater ponds will act as sediment basins and will be cleaned out when
the level of sediment reaches 2 0 ft below the top of the riser Gravel will be
cleaned or replaced when the sediment pool no longer drains properly
8 All disturbed areas shall be seeded within 15 days of disturbance All seeded
areas will be fertilized, reseeded as necessary and mulched according to
specifications in the vegetative plan to maintain a vigorous, dense vegetative
cover
9 More stringent measures shall be used to halt erosion if those shown on this plan
are not effective
10 All erosion shall be controlled including side slopes before the project is
completed
11 Remove temporary measures upon completion of project All permanent
measures will be well established before project closeout
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SECTION 02920
SOIL EROSION AND SEDIMENTATION CONTROL
GENERAL
1 1 Contractor shall take every reasonable precaution throughout construction to
prevent the erosion of soil and the sedimentation of streams, lakes, reservoirs, other
water impoundments, ground surfaces, or other property as required by State and Local
regulations
1 2 The Contractor shall install all required silt fences, and construction entrances at
the initiation of work, and have these measures reviewed and approved by the local
permit authority pnor to clearing and grading operations
1 3 The Contractor shall, within 15 days of suspension or completion of land
disturbing activities, provide permanent protective covenng for disturbed areas
Temporary and permanent erosion control measures shall be coordinated to assure
economical, effective, and continuous erosion and siltation control throughout the
construction and post -construction period Use the specified seed for both temporary and
permanent seeding
2 PRODUCTS
21 Asphalt for anchoring mulch shall be Type SS-1 Emulsion
22 Fertilizer shall be 10-10-10 grade or equivalent
23 Lime shall be dolomfic agncultural ground limestone containing not less than 10
percent magnesium oxide
24 Mulch shall be small grain straw, hay, wood chips, asphalt emulsion, jute or other
suitable material free of undesirable weed seed
25 Phosphate shall be 20 percent superphosphate or equivalent
26 Seed shall be 20% carpet grass, 24% Bermuda, 20% turf Fescue, 10% Creeping
Red Fescue, and 24% Annual Rye grain Bermuda seed shall be hulled for warm
weather planting and unhulled for cool weather planting Purity of seed shall be a
minimum of 98 percent and germination shall be a minimum of 85 percent
27 Silt fence shall consist of NCDOT Class A fabric supported by wood or metal
posts spaced not more than 6 feet on center The bottom of the fabric shall be buried a
minimum of 6 inches
28 Gravel for check dams shall be #57 washed stone
VA
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29 Aggregate for construction entrance shall be #4 washed stone
210 Stone np rap for check dams and erosion control shall be NCDOT Class A or B
as shown
3 EXECUTION
31 General Take every practicable measure during construction or suspension to
work to minimize erosion and siltation Measures should include good construction
practices, temporary physical barriers to sediment travel, settling basins for new ditches,
and establishment of vegetative cover
32 Construction Practices
3 2 1 Avoid dumping soil or sediment into any wetland or watercourse
322 Maintain an undisturbed vegetative buffer where possible between a natural
watercourse and trenching and grading operations
3 2 3 Avoid equipment crossings of streams, creeks and ditches where practicable
324 Grade all cut, fill and ditch slopes to minimum slope of 3 1, unless otherwise
shown or directed
33 Temporary Physical Barriers are required where sedimentation on off site
property or excessive erosion is a problem
3 3 1 Mulch shall be used for temporary stabilization of areas subject to excessive
erosion and for protection of seedbeds after planting where required
1 Apply grain straw and hay at a rate of 75 to 100 pounds per 1000 square feet
and wood chips at a rate of 500 pounds per 1000 square feet Jute and mesh
should be installed as per manufacturer's instructions
2 Asphalt emulsion for slope stabilization should be applied at a rate of 1,000
gallons per acre Asphalt emulsion used for anchoring straw should be
applied at a rate of 150 gallons per ton of straw
3 3 2 Silt Fences shall be used at the base of slopes to restrict movement of sediment
from the site Clean silt fence of accumulated sediment after each rainfall event or
when it exceeds a depth of 0 5 feet above natural grade
3 3 3 Stone Check Dams, placed at the discharges of creeks, ditches, and swales,
shall consist of Class A or Class B erosion control stone at minimum two feet high and
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three feet thick across the watercourse, wrath a one foot thick layer of gravel on upstream
side Remove sediment if accumulated to a depth of 10 feet at upstream face
34 Vegetative Cover Establish and maintain permanent vegetative cover on all
unpaved areas disturbed by the work
3 4 1 Preparation of Seedbed Areas to be seeded shall be scarified to a depth of 4
inches and until a firm, well pulverized, uniform seedbed is prepared Lime, phosphorous
and fertilizer shall be applied during the scarification process in accordance with the
following rates
Lime 45 pounds per 1000 square feet
Phosphorous 20 pounds per 1000 square feet
Fertilizer 17 pounds per 1000 square feet
342 Seeding- Disturbed areas shall be seeded with 2 to 3 pounds per 1000 square
feet of the specified seed mixture Seed shall be worked into the bed to a depth of 114
inch Regrade and seed eroded areas immediately
343 Mulch all areas immediately after seeding Mulch shall be applied and anchored
as specified hereinbefore Reapply as necessary to retain cover until grass is
established
35 Construction Entrance Provide an aggregate drive, 20 feet wide by 50 feet long
by 6 inches trick at each entrance to the site used by construction vehicles, until such
time as the permanent roadway is constructed Remove soil if accumulated to a depth
greater than 0 5 inches
36 Maintenance The Owner and Contractor shall be responsible for maintaining all
temporary and permanent erosion control measures Temporary structures shall be
maintained until such time as vegetation is firmly established in the area protected by
the structure Permanent streambank protection and grassed areas shall be
maintained until completion of the project Areas that fad to show a suitable stand of
grass or which are damaged by erosion shall be immediately repaired
END OF SECTION
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STORMWATER SYSTEM & EROSION CONTROL NARRATIVE
BURGAW ELEMENTARY SCHOOL ADDITION
BURGAW, NORTH CAROLINA
For
Pender County Schools
925 Penderlea Highway
Burgaw, NC 28425
(910) 259-2187
October 2005
Prepared by
NORRIS, KUSKE, & TUNSTALL CONSULTING ENGINEERS, INC.
902 Market Street
Wilmington, North Carolina 28401
(910) 343-9653
(910) 343-9604 (Fax)
E-mail office@nkteng com
NKT Project No 05200