20130521 Ver 2_401 Application_20150815

McGill
A S S O C I A T E S
August 10, 2015
US Army Corps of Engineers
Asheville Regulatory Field Office
151 Patton Ave., Room 208
Asheville, NC 28801 -5006
Attn: David Brown
RE: NC Data Center
Catawba County, NC
Dear Mr. Brown:
20150841
p�t01
Please find enclosed an application for a Nationwide Permit 418 for the referenced
project dated August 10, 2015. John C. Vilas, of McGill Associates, is the authorized
agent; please find the attached signed Agent Authorization Form. Enclosed is a check for
$240.00 to cover permit application fees with NCDENR DWR. Please include McGill
Associates on the copy list of all correspondence for this project. Please contact me if you
have any questions or comments at (828) 386 -1920.
Sincerely,
Jo C. Vilas
McGill Associates, P.A.
Program Services Manager- Environmental
Cc: Mr. Jimmy Clark — City of Conover, Director of Public Works
NCDENR Central Office — Division of Water Resources
McGill Associates, P.A. Project # 15.05306
Env i r o n m e n t a 1 • P l a n n i n g • F i n a n c e
McGiH Assoc tntes. P.A. • 468 Ne%i,Mar•ket BI%,d. Ste. B. Boone. North Cnroliltn 13607
Of %ice: (838) 386 -1920 • Fax: [phone]

OF WATF 9
� o Office Use Only:
�� r Corps action ID no.
DWQ project no.
Form Version 1.3 Dec 10 2008
Pre - Construction Notification (PCN) Form
A. Applicant Information
1. Processing
1 a. Type(s) of approval sought from the
Corps: ®Section 404 Permit F1 Section 10 Permit
1 b. Specify Nationwide Permit (NWP) number: 18 or General Permit (GP) number:
1 c. Has the NWP or GP number been verified by the Corps? ® Yes ❑ No
1 d. Type(s) of approval sought from the DWQ (check all that apply):
® 401 Water Quality Certification — Regular ❑ Non -404 Jurisdictional General Permit
❑ 401 Water Quality Certification — Express ❑ Riparian Buffer Authorization
1 e. Is this notification solely for the record For the record only for DWQ 401 For the record only for Corps Permit:
because written approval is not required? Certification:
❑ Yes ® No ❑ Yes ® No
1f. Is payment into a mitigation bank or in -lieu fee program proposed for mitigation ❑ Yes ® No
of impacts? If so, attach the acceptance letter from mitigation bank or in -lieu
fee program.
1 g. Is the project located in any of NC's twenty coastal counties. If yes, answer 1 h ❑ Yes ® No
below.
1 h. Is the project located within a NC DCM Area of Environmental Concern (AEC)? ❑ Yes ® No
2. Project Information
2a. Name of project: NC Data Center
2b. County: Catawba
2c. Nearest municipality / town: Conover
2d. Subdivision name:
2e. NCDOT only, T.I.P. or state
project no:
3. Owner Information
3a. Name(s) on Recorded Deed: Catawba County Property Development Corporation
3b.
Deed Book and Page No.
3151/1941 -1942
3c.
Responsible Party (for LLC if
Scott Millar
applicable):
3d.
Street address:.
1960 -B 13"' Avenue Drive SE
3e.
City, state, zip:
Hickory, NC 28602
3f.
Telephone no.:
(828) 267 -1564
3g.
Fax no.:
(828) 2670 -1884
3h.
Email address:
Scott.millar @catawbacountync.gov
Page 1 of 11
PCN Form — Version 1.3 December 10, 2008 Version

4. Applicant Information (if different from owner)
4a.
Applicant is:
❑ Agent ® Other, specify: Director of Public Works
4b.
Name:
Jimmy A. Clark — City of Conover PWD
4c.
Business name
City of Conover
(if applicable):
4d.
Street address:
101 First Street East
4e.
City, state, zip:
Conover, NC 28613
4f.
Telephone no.:
(828) 464 -1191
4g.
Fax no.:
(828) 465 -5177
4h.
Email address:
Jimmy.clark @conovernc.gov
5.
AgentlConsultant Information (if applicable)
5a.
Name:
John C. Vilas
5b.
Business name
McGill Associates, P.A.
(if applicable):
5c.
Street address:
468 New Market Blvd. Ste. B
5d. City, state, zip: Boone, NC 28607
5e. Telephone no.: (828) 386 -1920
5f. Fax no.: (828) 386 -1923
5g. Email address: john.vilas @mcgillengineers.com
Page 2 of 11

B. Project Information and Prior Project History
1. Property Identification
1a. Property identification no. (tax PIN or parcel ID): PIN #3742 -06 -49 -5558
1 b. Site coordinates (in decimal degrees): Latitude: 35.7340 Longitude: - 81.2070
(DD DDDDDD) (- DD.DDDDDD)
1c. Property size: 55.43 -acres
2. Surface Waters
2a. Name of nearest body of water (stream, river, etc.) to Lyle Creek
proposed project:
2b. Water Quality Classification of nearest receiving water: C
2c. River basin: map is available at Catawba
hftp://h2o.enr.state.ne.us/admin/maps/
3. Project Description
3a. Describe the existing conditions on the site and the general land use in the vicinity of the project at the time of this
application:
The NC Data Campus Proiect Site is located on Catawba Countv owned propertv. The Proiect Site appears to have been
an old agricultural tract and now consists mostly of cleared land with several patches of wooded areas. There are no
structures on the Proiect Site. Access to the Proiect Site is obtained from Lai Ber Drive. Lvle Creek, a named perennial
tributary to the Catawba River, follows the Proiect propertv's southern boundary. One wetland drainage feature (Wetland
Unit -A) is situated near the center of the Proiect Site. General land use in the vicinitv of the Proiect Site is a mixture of
single familv residential, commercial, institutional, and agricultural. Interstate 40 is located approximatelv 2,500 linear feet
south of the Proiect Site.
3b. List the total estimated acreage of all existing wetlands on the property: 0.1165
3c. List the total estimated linear feet of all existing streams (intermittent and perennial) on the property: 6.607
3d. Explain the purpose of the proposed project:
The purpose of the Proiect is to construct the NC Data Campus.
3e. Describe the overall project in detail, including the type of equipment to be used:
The NC Data Campus Proiect would include construction of three 150.000 sf buildings with associated drives and parking
areas (see Site Plan). Stormwater BMPs are included in the Site Plan. One of the proposed stormwater BMP wet
detention basins has a footprint that would impact a portion of Wetland Unit -A. Proposed wetland impacts would be
permanent. A portion of this proiect has previously been permitted under a NWP -39 and Action ID 2012 -01309 and
involved 40 linear feet of temporary impact to Lvle Creek associated with installation of utility lines. During construction.
erosion control measures will be installed. operated. and maintained under an approved Erosion Control Plan.
Impact Site W -1: impacts to Wetland Unit -A are shown on Sheet EX -1. Construction of the stormwater wet detention pond
would incur 0.06 -acres of permanent fill impacts. Tvpical heavv machinery will be emploved during construction including
bull dozer, rock truck, dump truck, and tracked excavator.
Page 3 of 11
PCN Form — Version 1.3 December 10, 2008 Version

4. Jurisdictional Determinations
4a. Have jurisdictional wetland or stream determinations by the
Corps or State been requested or obtained for this property /
project (including all prior phases) in the past?
Comments: An approved Jurisdictional Determination was ®Yes El No ❑ Unknown
completed on the Dropertv for a previous permit application
(see Proiect Historv).
4b. If the Corps made the jurisdictional determination, what type
of determination was made? ®Preliminary El Final
4c. If yes, who delineated the jurisdictional areas? Agency /Consultant Company: ECS Carolinas, LLP
Name (if known): Michael Brame Other:
4d. If yes, list the dates of the Corps jurisdictional determinations or State determinations and attach documentation.
A JD was issued on Nov. 7, 2012.
5. Project History
5a. Have permits or certifications been requested or obtained for I ® Yes ❑ No ❑ Unknown
this project (including all prior phases) in the past?
5b. If yes, explain in detail according to "help file" instructions.
USACE General Permit Verification on a NWP 39 —Action ID. 2012 -01309 (Catawba Countv: Newton USGS Quad)
dated Mav 22, 2013 authorizinq 40 If of temporary stream impacts to Lvle Creek for sewer and water installation.
NCDENR issued approval letter dated Mav 28. 2013: DWQ# 13 -0521.
6. Future Project Plans
6a. Is this a phased project? ❑ Yes ® No
6b. If yes, explain.
Page 4 of 11

C. Proposed Impacts Inventory
1. Impacts Summary
1 a. Which sections were completed below for your project (check all that apply):
® Wetlands ❑ Streams - tributaries ❑ Buffers
❑ Open Waters ❑ Pond Construction
2. Wetland Impacts
If there are wetland impacts proposed on the site, then complete this question for each wetland area impacted.
2a. 2b. 2c. 2d. 2e. 2f.
Wetland impact Type of jurisdiction
number — Type of impact Type of wetland Forested (Corps - 404, 10 Area of impact
Permanent (P) or (if known) DWQ — non -404, other) (acres)
Temporary (T)
W1 ® P ❑ T Fill Seep ❑ Yes ® Corps 0.06
3. Stream Impacts
® No
❑ DWQ
W2 ❑ P ❑ T
❑ Yes
❑ Corps
proposed on the site, then complete
❑ No
❑ DWQ
W3 ❑ P ❑ T
❑ Yes
❑ Corps
3a. 3b. 3c.
❑ No
❑ DWQ
W4 ❑ P FIT
❑ Yes
❑ Corps
Type of jurisdiction Average
❑ No
❑ DWQ
W5 ❑ P ❑ T
❑ Yes
❑ Corps
Permanent (P) or
❑ No
❑ DWQ
W6 ❑ P ❑ T
❑ Yes
❑ Corps
other) (feet)
❑ No
❑ DWQ
❑ PER
❑ Corps
2g. Total wetland impacts 0.06
2h. Comments: Permanent wetland impacts.
❑ INT
❑ DWQ
3. Stream Impacts
If there are perennial or intermittent stream impacts (including
temporary impacts)
proposed on the site, then complete
this
question for all stream sites impacted.
3a. 3b. 3c.
3d.
3e. 3f.
3g.
Stream impact Type of impact Stream name
Perennial
Type of jurisdiction Average
Impact
number -
(PER) or
(Corps - 404, 10 stream
length
Permanent (P) or
intermittent
DWQ — non -404, width
(linear
Temporary (T)
(INT)?
other) (feet)
feet)
S1 ❑ P ❑ T
❑ PER
❑ Corps
❑ INT
❑ DWQ
S2 ❑ P ❑ T
❑ PER
❑ Corps
❑ INT
❑ DWQ
S3 ❑ P ❑ T
❑ PER
❑ Corps
❑ INT
❑ DWQ
S4 ❑ P ❑ T
❑ PER
❑ Corps
❑ INT
❑ DWQ
S5 ❑ P ❑ T
❑ PER
❑ Corps
❑ INT
❑ DWQ
S6 ❑ P ❑ T
❑ PER
❑ Corps
❑ INT
❑ DWQ
3h. Total stream and tributary impacts
3i. Comments:
Page 5 of 11

4. Open Water Impacts
If there are proposed impacts to lakes, ponds, estuaries, tributaries, sounds, the Atlantic Ocean, or any other open water of
the U.S. then individually list all open water impacts below.
4a. 4b. 4c. 4d. 4e.
Open water Name of waterbody
impact number — (if applicable) Type of impact Waterbody type Area of impact (acres)
Permanent (P) or
Temporary (T)
01 ❑P ❑T
02 ❑P ❑T
03 ❑P ❑T
04 ❑P ❑T
0. Total open water impacts
4g. Comments:
5. Pond or Lake Construction
If pond or lake construction proposed, then complete the chart below.
5a. 5b. 5c. 5d. 5e.
Wetland Impacts (acres) Stream Impacts (feet) Upland
Pond ID Proposed use or purpose (acres)
number of pond
Flooded Filled Excavated Flooded Filled Excavated Flooded
P1
P2
5f. Total
5g. Comments:
5h. Is a dam high hazard permit required?
❑ Yes ❑ No If yes, permit ID no:
5i. Expected pond surface area (acres):
5j Size of pond watershed (acres):
5k. Method of construction:
6. Buffer Impacts (for DWQ)
If project will impact a protected riparian buffer, then complete the chart below. If yes, then individually list all buffer impacts
below. If any impacts require mitigation, then you MUST fill out Section D of this form.
6a.
❑ Neuse E] Tar-Pamlico E] Other:
Project is in which protected basin? ❑ Catawba ❑ Randleman
6b. 6c. 6d. 6e. 6f. 6g
Buffer impact
number— Reason
Permanent (P) or for
Temporary (T) impact
81 ❑P ❑T
B2 ❑P ❑T
B3 ❑P ❑T
6i. Comments:
Buffer
Stream name mitigation
required?
❑ Yes
❑ No
❑ Yes
❑ No
❑ Yes
❑ No
6h. Total buffer impacts
Page 6 of 11
Zone 1 impact Zone 2 impact
(square feet) (square feet)

D. Impact Justification and Mitigation
1. Avoidance and Minimization
1 a. Specifically describe measures taken to avoid or minimize the proposed impacts in designing project.
The wetland area to be impacted extends into the central Dortion of the site and could not be avoided. Several attempts
were made to reconfigure the required stormwater management measure but in order to stav out of the floodway. a
Dortion of the wetland could not be avoided. .
b. Specifically describe measures taken to avoid or minimize the proposed impacts through construction techniques.
Standard erosion control measures will be installed and maintained to prevent sediment impacts to the portion of the
wetland to be preserved during construction.
2. Compensatory Mitigation for Impacts to Waters of the U.S. or Waters of the State
2a. Does the project require Compensatory Mitigation for
impacts to Waters of the U.S. or Waters of the State?
2b. If yes, mitigation is required by (check all that apply):
2c. If yes, which mitigation option will be used for this
project?
3. Complete if Using a Mitigation Bank
3a. Name of Mitigation Bank:
3b. Credits Purchased (attach receipt and letter)
3c. Comments:
4. Complete if Making a Payment to In -lieu Fee Program
4a. Approval letter from in -lieu fee program is attached
4b. Stream mitigation requested:
4c. If using stream mitigation, stream temperature:
4d. Buffer mitigation requested (DWQ only):
4e. Riparian wetland mitigation requested:
4f. Non - riparian wetland mitigation requested:
4g. Coastal (tidal) wetland mitigation requested:
4h. Comments:
❑ Yes ® No
❑ DWQ ❑ Corps
❑ Mitigation bank
❑ Payment to in -lieu fee program
❑ Permittee Responsible Mitigation
Type I Quantity
❑ Yes
linear feet
❑ warm ❑ cool
square feet
acres
acres
acres
Page 7 of 11
PCN Form — Version 1.3 December 10, 2008 Version
❑ cold

5. Complete if Using a Permittee Responsible Mitigation Plan
5a. If using a permittee responsible mitigation plan, provide a description of the proposed mitigation plan.
6. Buffer Mitigation (State Regulated Riparian Buffer Rules) — required by DWQ
6a. Will the project result in an impact within a protected riparian buffer that requires ❑ Yes ® No
buffer mitigation? If ves. you will have to fill out this entire form — please
contact the State for more information.
6b. If yes, then identify the square feet of impact to each zone of the riparian buffer that requires mitigation. Calculate the
amount of mitigation required.
6c. 6d. 6e.
Zone Reason for impact Total impact Multiplier Required mitigation
(square feet) (square feet)
Zone 1
Zone 2
3 (2 for Catawba)
1.5
6f. Total buffer mitigation required:
6g. If buffer mitigation is required, discuss what type of mitigation is proposed (e.g., payment to private mitigation bank,
permittee responsible riparian buffer restoration, payment into an approved in -lieu fee fund).
6h. Comments:
Page 8 of 11

E. Stormwater Management and Diffuse Flow Plan (required by DWQ)
1. Diffuse Flow Plan
1 a. Does the project include or is it adjacent to protected riparian buffers identified
within one of the NC Riparian Buffer Protection Rules?
1 b. If yes, then is a diffuse flow plan included? If no, explain why.
Comments:
2. Stormwater Management Plan
2a. What is the overall percent imperviousness of this project?
2b. Does this project require a Stormwater Management Plan?
2c. If this project DOES NOT require a Stormwater Management Plan, explain why:
❑ Yes ® No
❑ Yes ❑ No
42%
® Yes ❑ No
2d. If this project DOES require a Stormwater Management Plan, then provide a brief, narrative description of the plan:
For the Phase 2 compliance, the Proiect has been desiqned to include wet ponds to treat the runoff from the 1St inch of
rainfall and to maintain flow rates for the 1 -year, 24 -hour storm event in accordance with the Citv of Conover's ordinance.
The wet ponds are being desiqned in accordance with NC DWR's BMP manual and are beinq sized to account for future
impervious surfaces.
2e. Who will be responsible for the review of the Stormwater Management Plan?
3. Certified Local Government Stormwater Review
3a. In which local government's jurisdiction is this project?
3b. Which of the following locally- implemented stormwater management programs
apply (check all that apply):
3c. Has the approved Stormwater Management Plan with proof of approval been
attached?
The Stormwater Management Plan has been submitted to the Citv but not vet
received approval. Copies of the Stormwater Plan are attached.
4. DWQ Stormwater Program Review
4a. Which of the following state - implemented stormwater management programs apply
(check all that apply):
4b. Has the approved Stormwater Management Plan with proof of approval been
attached?
Page 9 of 11
PCN Form — Version 1.3 December 10, 2008 Version
® Certified Local Government
❑ DWQ Stormwater Program
❑ DWQ 401 Unit
Citv of Conover
® Phase II
❑ NSW
❑ USMP
❑ Water Supply Watershed
❑ Other:
❑ Yes ® No
❑ Coastal counties
❑ HQW
❑ ORW
❑ Session Law 2006 -246
® Other: None
❑ Yes ❑ No

5. DWQ 401 Unit Stormwater Review
5a. Does the Stormwater Management Plan meet the appropriate requirements?
N/A ❑ Yes ❑ No
5b. Have all of the 401 Unit submittal requirements been met? ❑ Yes ❑ No
F. Supplementary Information
1. Environmental Documentation (DWQ Requirement)
1 a. Does the project involve an expenditure of public (federal /state /local) funds or the ® Yes ❑ No
use of public (federal /state) land?
1 b. If you answered "yes" to the above, does the project require preparation of an
environmental document pursuant to the requirements of the National or State ❑ Yes ® No
(North Carolina) Environmental Policy Act (NEPA/SEPA)?
1 c. If you answered "yes" to the above, has the document review been finalized by
the State Clearing House? (If so, attach a copy of the NEPA or SEPA final approval ❑ Yes ❑ No
letter.)
2. Violations (DWQ Requirement)
2a. Is the site in violation of DWQ Wetland Rules (15A NCAC 2H .0500), Isolated
Wetland Rules (15A NCAC 2H .1300), DWQ Surface Water or Wetland Standards, ❑ Yes ® No
or Riparian Buffer Rules (15A NCAC 2B .0200)?
2b. Is this an after - the -fact permit application?
❑ Yes ® No
2c. If you answered "yes" to one or both of the above questions, provide an explanation of the violation(s):
3. Cumulative Impacts (DWQ Requirement)
3a. Will this project (based on past and reasonably anticipated future impacts) result in ❑ Yes ® No
additional development, which could impact nearby downstream water quality?
3b. If you answered "yes" to the above, submit a qualitative or quantitative cumulative impact analysis in accordance with the
most recent DWQ policy. If you answered "no," provide a short narrative description.
Proiect is an end use Droiect and will not expand services to adioinino properties.
4. Sewage Disposal (DWQ Requirement)
4a. Clearly detail the ultimate treatment methods and disposition (non - discharge or discharge) of wastewater generated from
the proposed project, or available capacity of the subject facility.
Publically available waste water service Drovided by the Citv of Conover.
Page 10 of 11

5. Endangered Species and Designated Critical Habitat (Corps Requirement)
5a. Will this project occur in or near an area with federally protected species or Y
habitat? ® es ❑ No
5b. Have you checked with the USFWS concerning Endangered Species Act ®Yes
❑ No
impacts?
5c. If yes, indicate the USFWS Field Office you have contacted. El Raleigh
® Asheville
5d. What data sources did you use to determine whether your site would impact Endangered Species or Designated Critical
Habitat?
Threatened and Endanaered Species Reoort Dreoared by ECS Carolinas. LLP dated July 30. 2012 which received
comments from Brian Cole with the Asheville USFWS Field Office (report not attached). The site does contain trees
Greater than 3" in diameter that will be cut. Every effort will be made to remove these trees outside of the summer
roostina period of Mav 15 to Auaust 15.
6. Essential Fish Habitat (Corps Requirement)
6a. Will this project occur in or near an area designated as essential fish habitat? I ❑ Yes ® No
6b. What data sources did you use to determine whether your site would impact Essential Fish Habitat?
hfr):Hccma. nos. noaa. aov /DroductstbioaeoaraDhv /sa -efh/
7. Historic or Prehistoric Cultural Resources (Corps Requirement)
7a. Will this project occur in or near an area that the state, federal or tribal
governments have designated as having historic or cultural preservation ❑ Yes ® No
status (e.g., National Historic Trust designation or properties significant in
North Carolina history and archaeology)?
7b. What data sources did you use to determine whether your site would impact historic or archeological resources?
Archeoloaical Resources Detailed Assessment was Dreoared by J. Alan May. Ph.D. with the Schiele Museum of Natural
Historv. dated Auaust 6.2012 (report not attached).
8. Flood Zone Designation (Corps Requirement)
8a. Will this project occur in a FEMA- designated 100 -year floodplain? I ® Yes ® No
8b. If yes, explain how project meets FEMA requirements: No permanent fill would be placed in maDDed floodDlains. All work
to be comDleted in compliance with local floodplain ordinance, as well as conditions set forth by FEMA in the CLOMR
Comment Document for the DroDosed Project (see below).
8c. What source(s) did you use to make the floodplain determination?
NC Flood Risk Information Svstem: hfD: / /fris.nc.gov /fris /Home.asDx?ST =NC. The Proiect was required to submit a
Conditional Letter of Map Revision ( CLOMR) aDDlication with FEMA. The CLOMR Comment Document was received
from FEMA on Mav 16. 2013 (see attached). In the Comment Document. conditional data reauirements were imposed on
the Proiect (MT -2 LOMC) followina its completion and the Proiect was assigned a Consultation Coordination Officer.
John C. Vilas ,X," l 6 /�, Aug. 10, 2015
Applicant/Agent's Printed Name Apoicant/Agent's Signature Date
(Agent's signature is valid only if an authorization letter from the applicant
is provided.)
Page 11 of 11

r. Me Gio I I
A S S O C I A T E S
AGENT AUTHORIZATION FORM
PROJECT NAME:
PROPERTY LEGAL DESCRIPTION
PARCELID:
PARCEL OWNER:
PARCEL DEED BOOK /PAGE:
STREET ADDRESS:
NC DATA CENTER
TRACT B PL 72 -4 NORRIS & LYLE CREEK LTD
374206495558
CATAWBA COUNTY PROPERTY DEVELOPMENT CORP.
3143/1587
3660 LAI BER DR: CONOVER, NC 28613
Please Print C�
Property Owner /Representative:
(If Representative) Title: L D Y1 000L
The undersigned, registered property owners of the above noted property, do hereby authorize
John C. Vilas of McGill Associates P.A.
(Contractor/ Agent) (Name of consulting firm)
and
Grea Hoffman of McGill Associates P.A.
(Contractor / Agent) (Name of consulting firm)
to act on my behalf and take all actions necessary for the processing, issuance and acceptance of
this permit or certification and any and all standard and special conditions attached.
Property Owner's /Representative's Address (if different than property above):
Telephone:
We hereby certify the above information submitted in this application is true and accurate to the
best o our knowledge.
�ut TorizedSignature Authorized Signature
Date: Date:
Environmental Planning 8 Finance
AMcGill Associales, P.A. • 468 Newitfarkel BIM. Sle. B, Boone, Norlk Carolina 28607
Office: (828) 386 -1920 • Fax: [phone]

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Source, U.S. Geological Survey. Newton, NC Topographic Quadrangle -
CITY OF CONOVER
TOPOGRAPHIC MAP NC DATA CENTER McG1"11
JUNE 17, 2015 CATAWBA COUNTY A S S O C I A T E S
NORTH CAROLINA ENVIRONMENTAL -PLANNING- FINANCE
468 NEWMARKET BLVD. STE. B BOONE, NC 28607 PH: (828) 386 -1920

C;,;�,'.�ti6_ Geaspatial Real Estate Search
I nfarmStion Services
1, Source: Catawba County N.C., Geospatial Information Services, Real Estate Search 1itt=400ft
+
5
Parcel ID: 374206495558
Property Address: 3660 LAI BER DR, CONOVER,28613
Owner Information:
CATAWBA COUNTY PROPERTY DEVELOPMENT CORP
Address: 1960B 13TH AV DR SE
Address2:
City: HICKORY
State /Zip: NC 28602 -5186
Deed Book/Page: 3143/1587
Subdivision: NORRIS & WALKER & FREDELL & LYLE CREEK L
Lots/Block: TRACT B/
Plat Book/Page: 72/4
Legal: TRACT B PL 72-4 NORRIS & LYLE CREEK LTD
Calculated Acreage: 55.430
Tax Map: 3200 00007A
Township: CLINES
CITY OF CONOVER
TAX MAP NC DATA CENTER McG1*11
JUNE 17, 2015 CATAWBA COUNTY A S S O C I A T E S
NORTH CAROLINA ENVIRONMENTAL •PLANNING• FINANCE
40 NEW MARKET BLVD. STE. B BOONE, NC 28607 PH: (828) 3861920

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JUNE 17, 2015 CATAWBA COUNTY A S S O C I A T E S
NORTH CAROLINA ENVIRONMENTAL -PLANNING- FINANCE
468 NEWMARKET BLVD. STE. B BOONE, NC 28607 PN: [phone]

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A S S O C I A T E S
ENVIRONMENTAL •PLANNING• FINANCE
468 NEW MARKET BLVD. STE. B BOONE. NC 28607 PH: (828) 3861920

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'ATAWBA COUNTY PROPERTY
DEVELOPMENT CORPORATION
PIN 13742 -06 -49 -5558
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PROPOSED WETPOND OUTLET
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FL00 AY LIMITS
EXISTING WETLAND TO REMAIN ,5:; UNDISTURBED
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EXISTING CONTOUR - 10'
PROPOSED CONTOUR - 2'
PROPOSED CONTOUR - 11'
- . . . . . -�-- FLODOWAV LIMITS
- - - - - - - - LIMITS OF DISTURBANCE
. ... ..,, APPROXIMATE LOCATION OF
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AREA OF WETLAND IMPACT
- _ _ _ _ _ _ _ O PROPOSED POND DISCHARGE
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PROPOSED OUTLET CONTROL STRUCTURE
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RIM: 881.98
INV IN: 875.54
INV IN 876.02
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REVISION DESCRIPTION
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SECTION @ OUTLET STRUCTURE
NUT TO SCALE /4 BAR---,
10' 10 ///8880 12• O.0
�7 � SHELF G PLANTING SHELF �OTH WAYS
3:1 MIN. 1' ABOVE
VEGETATED SHE PERM ELEV - 873.50
TOP OF SHELF 3 / `
ELEV . 874. DO / `BOTTOM OF SHELF
ELEV - 873.00
8 " -10' BENTONITE CLAY LINER OTTOM ELEV - 66&50
(OR APPROVED ALTERNATIVE) 1' SEDIMENT STORAGE
CONSTRUCTED SUCH THAT INFILTRATION
RATE IS NO MORE THAN
0.01 IN/HR
SECTION @ WET DETENTION POND (WIDTH)
NOT TO SCALE
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CONTROL \\ - 880.00 PLANTING FMI�N.. SYWIDE RI 4�LAP DAMQQ
SHELF P8' D E V. 873.50 ( FOREBAY f I
7^� 4.0' PERMANENT POOL 9' WIDE
PERM ELEV - 873.50 J
TOP OF SHELF \ �, ` RIF_RAP FLARED END SECTION #I /
ELEV - 874.00 4 t
BOT. OF SHELF 4•p J I BOTTOM OF FOREBAY (SEE PLAN THIS SHEET) ^•
ELEV . 873.00
BOTTOM ELEV - 86 &50 OREBAY
12' DUCTILE IRON DRAI BOTTOM ELEV - 86 &500 01h
1' SEDIMENT STORAGE PIPE w/ 12' M.J. GATE 1' SEDIMENT STORAGE IN BOTTOM ((��
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INV OU - 870.50 CONSTRUCTED SUCH THAT INFILTRATION RATE IS NO MORE THAN
0.01 IN/HR
SECTION @ WET DETENTION POND (LENGTH)
VALVE STEM NOT TO sSL
TOP ELEV - 884.00 TOP WIDTH 10' MINIMUM
6' X 6' PRECAST TOP of DAM ELEV - 880.00
CONCRETE BOX
TOP ELEV. 877.00
4'x4'x4' TEL TOP CAPPED 6'x36' OPENING 1 4'/F T
OPENING ELEV. 87250 WI]R
T- 477.00 (1 SIDE) —�•�
PERMANENT POOL ELEV .673 _SO-------- - - - - - -- 3'
12' INLET W/7�ASH RACK IJJJ�V. - 869.50
(FOR FOOL DRAINING/►IAINTANENCE4
VALVE iTOO REMAIN SHU
GRAVEL BEDDING UNDER DRAIN PIPE • _ F
SEE ANCHORING DETAIL
UNDERCUT EXISTING
GRADE - MIN. 1'
36' H
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PROPOSED
FLARED END SECTION ty51
PROPOSED
OUTLET CONTROL STRUCTURE #50 ����.
1
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/ REGULATORY FLOODWAY (GIS,
% NO GRADING WITHIN FLOODWAY
LIMITS
—LUMP SUM PAY ITEM FOR WETPOND 1 SHALL
I I INCLUDE ALL WORK REQUIRED TO CONSTRUCT
c1RA1•IDCSCAiN I INrTI = 10 PH" BUT WETPOND WITHIN THIS BOUNDARY INCLUDING
BUT NOT LIMITED TO EARTHWORK, OUTLET CONTROL
STRUCTURE AND APPURTENANCES, LANDSCAPING, CLAY
LINER RIP RAP. MULCH TRAIL AND FLARED END SECTIONS
/1 AND /21 SHALL BE PAID FOR UNDER A SEPARATE
PAY ITEM.
MATTING ON BACKSLOPE OF DAM PROVIDE STEPS ON
;. AM NOR11� AMERICAN GREEN 5150 OUTSIDE OF STRUCTURE
STARTING AT PERMANENT POND PROVIDE STEPS ON
1asTINC
TO TOP (is- G.G.) OUTSIDE OF STRUCTURE
SEE PLAN VIEW FOR LOCATION TRASH RACK OBEAPPRROOVERD RACKS
STARTING AT PERMANENT POND
BY INV. - 873.SOii SHALL BE PAINTED OR COATED TO AVOID RUST) TO TOP (16" O.C.) OPEN TOP
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4 x 4' x 4' TEE, TOP WITH THREADED CAP,
1/2' VALVE STEM STUBBED INTO BOX (SHOWN THIS SIDE FOR
10' 72- ■ 72' w/ T -BAR HANDLE CLARITY, SEE THE WET DETENTION POND TRASH RACK
ANTI-SEEP COLLAR PLAN ON THIS SHEET FOR LOCATION)
MIN. PERM. POOL ELEV. 873.50 Y /ELEV. 873.50
KEYWAY
CAST IRON VALVE Box OPEN END "j
SECTION @ OUTLET CONTROL STRUCTURE TO `RAM IN BOTTOM OF TEE
NOT TO SCALE PROPOSED GRADE /
BONCREIE BASE
2• MIN. COVER
1' STAINLESS STEEL / / 12' GATE
BOLTS 9 STEEL N /STAINLESS / / / " • VALVE 36' HOPE
-I ti12' PVC C900 INV. - 669.00
I CLASS 200 EXTEND 12' DRAIN PIPE TO
60' BOX '„ • •+ r ••I, DAYLIGHT AT ELEV. 571.50
NOTES EXTEND TO DAYLIGHT 'I.. •� - :� MI 1 (1' ABOVE BOTTOM OF POND)
-A, — • AT ELEVATION 869.50
3 I END o} RISER EMBEDDED
1. BOTTOM OF POND SHALL BE SCARIFIED TO A DEPTH _ _ _ _ _ �T n IN CONCRETE 12' MIN.
OF AT LEAST 18' DEEP AND RECOMPACTED TO 95% 1 OF STANDARD PROCTOR GRAVEL BEDDING UNDER DRAIN PIPE
2. CONTRACTOR SHALL POST A CONSPICUOUS SIGN ANCHORING DETAIL (4) DOWELS 3' MIN 1' W ANCHOR BOLTS
STATING WHO IS RESPONSIBLE FOR THE REQUIRED Mll ro SIJLLE INTO BASE SLAB 12' x 12'
MAINTENANCE AND ANNUAL INSPECTION OF THE WET
DETENTION POND. FERNCO
3. WET DETENTION PONDS USED AS SEDIMENT BASINS 6' MIN. WASHED STONE COUPLING CONCRETE BASE
DURING THE CONSTRUCTION PERIOD SHALL BE FULLY NOTE. OR OTHER SUITABLE MATERIAL w/ No. 4 BAR O 12'o /c
BOTH WAYS
CLEANED OUT PRIOR TO USE AS A STORM WATER CONTRACTOR TO CONFIRM LOCATION OF
EXISTING UTILITIES PRIOR TO BEGINNING OUTLET CONTROL STRUCTURE IN PRIMARY POND
CONSTRUCTION.
NOT TO SCALE I
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ASH RACK
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. ' ^ERM ELEV - 873.50
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8 " -10" BENTONITE CLAY LINER ELEV - 594.50 -12.
7TOM ELEV - 890.00 I CRETE BASE
(OR APPROVED ALTERNATIVE) 1• SEDIMENT STORAGE
CONSTRUCTED SUCH THAT INFILTRATION
RATE IS NO MORE THAN FRONT VIEW of TRASH RACK
0.01 IN/HR NOT TO SCALE
SECTION @ WET DETENTION POND (WIDTH)
HOT TO SCALE
EROSION
CONTROL \, FIN 10' FOREBAY DAM
MATTING - 899.00 PLANTING MIN. 6' WIDE RIP RAP DAMTp
SHED NLL D�EV.TNB95.00 (FOREBAY +
ti,
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PERM ELEV - 895.00
TOP SHELF }�
OF
ELEV - 895.50
OF
4 0 - /f-
OUTSIDE OF STRUCTURE
/ RIP -RAP
BOTTOM OF FOREBAY (SEE PLAN THIS SHEET)
\
BOT. SHELF
ELEV - 894.50
/
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BOTTOM ELEV I 890.00
12" DUCTILE IRON DRAT
-
`--F OREBAY
BOTTOM ELEV - 891.00
1' SEDIMENT STORAGE
PIPE w/ 12' M.J. GATE
V SEDIMENT STORAGE IN BOTTOM
BY ENGINEER (METAL TRASH RACKS
VALVE !t BOX
INV IN - 871.0
8 " -10" BENTONITE CLAY LINER OR APPROVED ALTERNATIVE
( )
TOP OF OPEN RISER - 897.50
72• SQUARE /I
INV OUT - 870.50
CONSTRUCTED SUCH THAT INFILTRATION RATE IS NO MORE THAN
�O ' •
PROPOSED
OUTLET CONTROL STRUCTURE #40r
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PROPOSED
FLARED END SECTION ¢41
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CPP
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SECTION WET DETENTION POND (LENGTH) LUMP SUM PAY ITEM FOR WETPOND SHALL
INCLUDE ALL WORK REQUIRED TO CONSTRUCT
VALVE STEM NOT TO SCALE THE WETPOND WITHIN THIS BOUNDARY INCLUDING
TOP ELEV - 898.00 TOP WIDTH IV MINIMUM BUT NOT LIMITED TO EARTHWORK, ACCESS ROAD,
6' X 6' PRECAST of DAM ELEV - 899.00 OUTLET CONTROL STRUCTURE AND APPURTENANCES, LANDSCAPING,
CONCRETE BOX CLAY LINER RIP RAP. FLARED END SECTION 031 SHALL
TOP ELEV. - 897.50 BE PAID FOR UNDER A SEPARATE PAY ITEM.
4 "x4 "x4" TEE, TOP CAPPED 6'x38' OPENING 1 4'/F T LJJ
OPENING ELEV. 894.00 WEIR ELEV - Gt1APrnc
.00 (1 SIDE)
EROSION CONTROL
ppMATTING ON BACKSLOPE OF DAM
C. E O TM AMERICAN GREEN 5150
STING
PERMANENT POOL ELEV - 89 5. 00 --- -----_ 7• GRADE
12' IN}ET W/TRASH RACK 1 V. -
(FOR POOL DRAININGAZT,
GRAVEL BEDDING UNDER DRAIN PIPE
SEE ANCHORING DETAIL
UNDERCUT EXISTING
GRADE - MIN. V
36' HD
INV. - 895.00ii J
\ I 1 II IJ
it
KEYWAY DEPTH VARIES
2' TO 20' FIELD VERIFY
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1 PERMANENT POOL SURFACE AREA =
1 I 11750 SF MIN. AT ELEV. 895.00
m
I INCH= V FEET
PROVIDE STEPS ON
I�
OUTSIDE OF STRUCTURE
PROPOSED
FLARED END SECTION /31
STARTING AT PERMANENT POND
TO TOP (I B" O.C.)
SEE PLAN VIEW FOR LOCATION
TRASH RACK TO BE APPROVED
BY ENGINEER (METAL TRASH RACKS
SHALL BE PAINTED OR COATED TO AVOID RUST)
`
TOP OF OPEN RISER - 897.50
72• SQUARE /I
8" x 36" WEIR OPENING 1 SIDE
PRECAST BOX
INV. - 896.00
4' x 4" x 4' TEE, TOP WITH THREADED CAP.
1/2" VALVE STEM STUBBED INTO BOX (SH011N THIS SIDE FOR
T -BAR HANDLE CLARITY SEE THE WET DETENTION POND
PROVIDE STEPS ON
OUTSIDE OF STRUCTURE
STARTING AT PERMANENT POND
TO TOP (18' O.C.)
4'x4'x4' TEE. TOP CAPPED.
4' ORIFICE OPENING IN
BOTTOM OF TEE
' x 72' w/ TRASH RACK
10' 72 PLAN ON THIS SHEET FOR LOCATION)
MIN. ANTI-SEEP COLLAR
KEYWAY PERM. POOL ELEV. 895.00 Y 7FF FI FV_ NGS.M
SECTION @ OUTLET CONTROL STRUCTURE CAST IRON VALVE RADE / � ' IN BOTTOM ENOF Tff ___ _____a Y �
NOT TO SCALE PROPOSED GRADE /
/
/
/ 2' VIN. COVER
80NCRETE BASE
1' STAINLESS STEEL / / F ��� �
STTEEEL NUTS STAINLESS / / Y I III 36' HOPE
9" / - -�2" PVC COW INV. - 890.50
CLASS 200 EXTEND 12" DRAIN PIPE TO
' BOX DAYLIGHT AT ELEV. 871.50
NOTES 60 _ EXTEND TO DAYLIGHT .-I �•r. .�•, .: .' hh M (1' ABOVE BOTTOM OF POND)
1. BOTTOM OF POND SHALL BE SCARIFIED TO A DEPTH 3
' AT ELEVATION 891.00 1 END of RISER EMBEDDED
_ -� �' .• a -_ .` . �IN CONCRETE 12' MIN.
OF AT LEAST 18" DEEP AND RECOMPACTED TO 95X
OF STANDARD PROCTOR _T GRAVEL BEDDING UNDER DRAIN PIPE
2. CONTRACTOR SHALL POST A CONSPICUOUS SIGN ANCHORING DETAIL I
STATING WHO IS RESPONSIBLE FOR THE REQUIRED NOT TO SCALE N70 BASE SLALB 3' MIN 1Y x 12' 0 ANCHOR BOLTS
MAINTENANCE AND ANNUAL INSPECTION OF THE WET
DETENTION POND. FERNCO J
3. WET DETENTION PONDS USED AS SEDIMENT BASINS 6' MIN. WASHED STONE CONCRETE BASE
DURING THE CONSTRUCTION PERIOD SHALL BE FULLY NOTE. OR OTHER SUITABLE MATERIAL COUPLING w/ Ho. 4 BAR o 12"o /c
BOTH WAYS
CLEANED OUT PRIOR TO USE AS A STORM WATER CONTRACTOR TO CONFIRM LOCATION OF
EXISTING U11UTIES PRIOR TO BEGINNING OUTLET CONTROL STRUCTURE IN PRIMARY POND
CONSTRUCTION.
NOT TO SCALE
NO. DATE BY
OPEN TOP
W/ TRASH RACK
36' HDPE
12'
PLAN VIEW of OUTLET STRUCTURE
NOT TO SCALE
REVISION DESCRIPTION
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C•111
PROPOSED
FLARED END SECTION /31
PROVIDE STEPS ON
OUTSIDE OF STRUCTURE
STARTING AT PERMANENT POND
TO TOP (18' O.C.)
4'x4'x4' TEE. TOP CAPPED.
4' ORIFICE OPENING IN
BOTTOM OF TEE
' x 72' w/ TRASH RACK
10' 72 PLAN ON THIS SHEET FOR LOCATION)
MIN. ANTI-SEEP COLLAR
KEYWAY PERM. POOL ELEV. 895.00 Y 7FF FI FV_ NGS.M
SECTION @ OUTLET CONTROL STRUCTURE CAST IRON VALVE RADE / � ' IN BOTTOM ENOF Tff ___ _____a Y �
NOT TO SCALE PROPOSED GRADE /
/
/
/ 2' VIN. COVER
80NCRETE BASE
1' STAINLESS STEEL / / F ��� �
STTEEEL NUTS STAINLESS / / Y I III 36' HOPE
9" / - -�2" PVC COW INV. - 890.50
CLASS 200 EXTEND 12" DRAIN PIPE TO
' BOX DAYLIGHT AT ELEV. 871.50
NOTES 60 _ EXTEND TO DAYLIGHT .-I �•r. .�•, .: .' hh M (1' ABOVE BOTTOM OF POND)
1. BOTTOM OF POND SHALL BE SCARIFIED TO A DEPTH 3
' AT ELEVATION 891.00 1 END of RISER EMBEDDED
_ -� �' .• a -_ .` . �IN CONCRETE 12' MIN.
OF AT LEAST 18" DEEP AND RECOMPACTED TO 95X
OF STANDARD PROCTOR _T GRAVEL BEDDING UNDER DRAIN PIPE
2. CONTRACTOR SHALL POST A CONSPICUOUS SIGN ANCHORING DETAIL I
STATING WHO IS RESPONSIBLE FOR THE REQUIRED NOT TO SCALE N70 BASE SLALB 3' MIN 1Y x 12' 0 ANCHOR BOLTS
MAINTENANCE AND ANNUAL INSPECTION OF THE WET
DETENTION POND. FERNCO J
3. WET DETENTION PONDS USED AS SEDIMENT BASINS 6' MIN. WASHED STONE CONCRETE BASE
DURING THE CONSTRUCTION PERIOD SHALL BE FULLY NOTE. OR OTHER SUITABLE MATERIAL COUPLING w/ Ho. 4 BAR o 12"o /c
BOTH WAYS
CLEANED OUT PRIOR TO USE AS A STORM WATER CONTRACTOR TO CONFIRM LOCATION OF
EXISTING U11UTIES PRIOR TO BEGINNING OUTLET CONTROL STRUCTURE IN PRIMARY POND
CONSTRUCTION.
NOT TO SCALE
NO. DATE BY
OPEN TOP
W/ TRASH RACK
36' HDPE
12'
PLAN VIEW of OUTLET STRUCTURE
NOT TO SCALE
REVISION DESCRIPTION
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C•111

t - - PROPOSED APPLE INC.
ttt PERMANENT SLOPE DRAINS
ttt �
'BASIS OF DESIGN FOR STORMWATER TREATMENT
SYSTEM (TYPICAL OF ALL LOTS) \t\
\t ,POTENTIAL LOT LAYOUT SHOWN FOR REFERENCE ONLY AS I
\t \\ . . — —. — — — — — - — — — — —
\ , LL �------- �-- - - - - --
.` - — —
` w — —_— -
i PROPOSED CB 03B \
'i PROPOSED OCS #40 — i t ` i PROPOSED CB #32B STORM -11 /
STORM -14 i / STORM -10 n°
GR: 895.26 OR: 915.56 GR: 915.64
^ \ /
INV OUT: INV OUT: 912.58 890.50 ! ` INV OUT: 912.50
47 LF 36' RCP
PROPOSED BUILDING LOT NO. m 1 ( I
\ � 'i• � II � � I I 1 � \\
g 1 `
PROPOSED FES #41
GI 893.68 1_ ^ \ 1 1 I g _ _ _ — — — — I I 42 +00 \\
INV IN: 890.00 ` _ — — PROPOSED CB #33A �t 1
—
� �
STORM-11
PROPOSED CB #32A INV N: 909.78 \
a- STORM -10 — �_�^ — INV IN: : 909. \
r — INV OUT: 909.58
� ( � — GR: 912.58 - p �
PROPOSED 1 ` } INV IN: 909.70
WET POND - 2 Li �v ` II I r — — w INV OUT: 909.50 c� `� ♦1 +oD
(SHEET C a
PROPOSED FES #31
Concrete Flared End Section
OR: 903.68
INV IN: 888.00
\
- - - - -�` 295. LF 24' RCP
7 ` PROPOSED CB #33
— — — " STORM -16
GR: 910.01
INV IN: 906.78
INV OUT: 905.78
PROPOSED CB #6A
STORM -9
G 903.71 ao� PROPOSED CB #5
R:
INV IN: 900.85 STORM -2
INV OUT: 900.65 Z1, `— OR: 901.23
INV IN: 891.02
PROPOSED CB #6 INV IN: 898.00
_ STORM -2 INV OUT: 890.82
OR: 901.23
INV IN: 898.00
INV OUT: 893.97
At
_--- _----- -- -- -- -- �—._____.___-
PROPOSED
STORM DRAINAGE LEGEND
JB = JUNCTION BOX
CB CATCH BASIN
Cl = CURB INLET
FES - FLARED END SECTION
m.
ITTIIS ANTICIPATED THAT CB #BA, CB 06B, C8 #5A, CB
#58, CB #32A, C8 #32B, CB #33A AND CB # 33B WALL
BE REMOVED WHEN LOTS ARE DEVELOPED.
i
i
NO. DATE By
i
OR PMC SCALE I INCH = 100 PEET
2 -FOOT CONTOUR INTERVAL (PROPOSED SURFACE)
1 -FOOT CONTOUR INTERVAL (EXISTING SURFACE)
REVISION DESCRIPTION
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PROPOSED CB 0248 —
1
STORM -12
GR: 904.46
INV OUT: 901.00
1
Img
PROPOSED Cl /23
STORM -6
GR: 897.72
INV IN: 892.54
INV IN: 888.19
INV OUT: 885.36
71 LFJ36' RCP
PROPOSED JS /22
STORM -6
GR: 882.00
INV IN: 874.56
INV OUT: 874.36
36 LF 36' RCP
PROPOSED FES #21�
STORM -6
GR: 1.68
INV IN: 874.00
l �
PROPOSED
DOUBLE Cl 14
STORM -1
GR: 883.28
INV IN: 876.55
NV IN: 877.35
INV OUT: 876.05
s
51 LF 42' RCP
q
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a`
4
/
/
1
POTENTIAL LOT LAYOUT SHOWN FOR REFERENCE ONLY AS
BASIS OF DESIGN FOR STORMWATER TREATMENT
SYSTEM. (TYPICAL OF ALL LOTS).
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STORM DRAINAGE LEGEND a Q z
JB = JUNCTION BOX
CB - CATCH BASIN LU O
CI _ CURB INLET ~ U
FES = FLARED END SECTION (n
IT IS ANTICIPATED THAT CB #24A, CB /24B, CB /25A, Q
AND CB If 25B WILL BE REMOVED WHEN LOTS ARE I Q
7` PROPOSED FES #51 DEVELOPED. U U
STORM -15 Z
/ GR: 874.18
INV IN: 869.00
/T
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GRAPHIC SCALE 1 INCH= 60 FER17 -i ry
2 -FOOT CONTOUR INTERVAL (PROPOSED SURFACE) 1Q1
1 -FOOT CONTOUR INTERVAL (EXISTING SURFACE)
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NOTE: LOCATIONS OF EXISTING UTILITIES AS SHOWN ARE APPROXIMATE ONLY.
EXACT LOCATIONS ARE TO BE VERIFIED IN THE FIELD BY THE CONTRACTOR. O
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SHEET
C -113
NO, DATE R'I REVISION DESCRIPTION

0 --PROP. DISS. A
I t '; -L = 6' W 9'
le
tPOSED ; 9 / 4
SKIMMER BASIN / 3A 4
V .00,
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PLAP
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�GLLAN WATER SWALE TO BED -_ A _ -
.CONSTRUCTED PRIOR TO STARTS «- - - - -_- -_ _ -_ -+
I I . IIII
'OF MASS GRADING OPERATIONS _ - LEAN WATER SWAL 0 BE,
I I I I
FOR LOT 1. SWALE TO BE LINED I I I +11i IIII I I
WITH NAG 5150 OR APPROVED r CONSTRUCTED PRIOR TO START I I Rill
EQUAL OF MASS GRADING OPERATIONS I I
�I - - �Sk4 ` FOR LOT 1. SWALE TO BE LINEDI I I IIII II II
r� �!1� MATH NAG SEA OR APPROVED i4ll�lil
4PD- PD -P*-?0 .. -��. jll ��L� -L_
t'L _ _
f =_PD _ _ _ �_= _ �_ _= _-i ///
PROP. DISS. 8
L -6': W:9'
T - 12" CL. B\
IT
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PROPOSED 150,000 SQ. FT. v •
BUILDING r
LOT NO. 1 f18 ACRES
PAD ELEV. 915.00
�W
PROPOSED TEMPORARY- PROPOSED TEMPORARY DIVERSION -- IV
BERM TO BE RAISED AND DITCH TO DIVERT RUN -OFF AT
MAINTAINED ON A DAILY TOP OF RAISED FILL. SLOPE AS V
BASIS. (TYPICAL) INDICATED. (NO MATTING REQUIRED) ;
-,\ (TTYYPI CAAL) / r
/A
W 1
1
°j -,rt
TOD 12 - TY. B2
TDO 2 - TY. C1'
CLEAN WATER SWALE TO BE
CONSTRUCTED PRIOR TO START
OF MASS GRADING OPERATIONS a
FOR LOT 2. SWALE TO BE LINED
S WITH NAG S_150 OR APPROVED
y 4i EQUAL
V PROP. DISS. C
I A L= 6' W=9'
T= 12" CL B
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PROPOSED 150,000 SO. FT.
C14 BUILDING/
LOT NO. 2 - t16 ACRES
War PAD ELEV. 907.00
I /
GRAPHIC SCALE I INCH= 60 r
1..- \I ;
PROP. SKIMMER BASIN /3
BOTTOM DIM - 43' X 94', DAM - 885.00_...\ -
D - 2' -0'. BOTTOM ELEV 881.00
WEIR: L =16': ELEV - 883.50
6" SKIMMER WITH 1.5' ORIFICE
BAFFLES 23.5', 47', 70.5' FROM INLET �..
/ PROP. 30 LF OF 6' DIA SCH 40 PVC
DISCHARGE PIPE FROM SKIMMER
1 ASSEMBLY 01.00%
- - -
7 INV OUT = 880.70 .70
43 +00 � If
1
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1
42 +00 I I 1
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MASS GRADING NC DATA CAMPUS
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CONSTRUCTION SEQUENCE for EROSION CONTROL MEASURES
It
APPROX.
AREA OF NORTH ROADWAY t 2.91 ACRES
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APPROX.
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2. Attend precoHstruction meeting with the civil engineer and inspector from NCDENR
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1
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4. The Contractor shall he responsible for keeping all records required by NCDENR for the
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PROPOSED 150,000 SO. FT.
C14 BUILDING/
LOT NO. 2 - t16 ACRES
War PAD ELEV. 907.00
I /
GRAPHIC SCALE I INCH= 60 r
1..- \I ;
PROP. SKIMMER BASIN /3
BOTTOM DIM - 43' X 94', DAM - 885.00_...\ -
D - 2' -0'. BOTTOM ELEV 881.00
WEIR: L =16': ELEV - 883.50
6" SKIMMER WITH 1.5' ORIFICE
BAFFLES 23.5', 47', 70.5' FROM INLET �..
/ PROP. 30 LF OF 6' DIA SCH 40 PVC
DISCHARGE PIPE FROM SKIMMER
1 ASSEMBLY 01.00%
- - -
7 INV OUT = 880.70 .70
43 +00 � If
1
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1
42 +00 I I 1
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CONSTRUCTION SEQUENCE for EROSION CONTROL MEASURES
It
APPROX.
AREA OF NORTH ROADWAY t 2.91 ACRES
r.'
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1. Obtain erasion control permit and post on site.
APPROX.
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2. Attend precoHstruction meeting with the civil engineer and inspector from NCDENR
L, .Z
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Mooresville Regional Office prior to beginning conauustion.
3. Flag work limits before construction activity begins,
ly
4. The Contractor shall he responsible for keeping all records required by NCDENR for the
instalimm. and maintenance of the site erosion control.
61,
3. Site to be entered through NC P V 2, per owner's directive.
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6. Construct gravel access road to area that has been cleared and grubbed. (See clearing and
.. «
grubbing plans.)
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7. Install sill fence as shown m plane, clearing only what its necessary to install the sib
fence.
0
S. Install the clean water males prior to beginning mess grading. Line swales with matting
a
ea shown on One plans.
PROPOSED TEMPORARY SILT FENCE
9. Install temporary sediment basins with skimmers. Slope grade toward trains.
U% V
10. Construct temporary diversion ditches to direct run-off to the sediment basins.
11. Continue grading work. Any area that is at fmish grade shall be stabilized immediately.
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12. As campus lots arc being brought up maintain herons at the top of fill elopes on a daily
basis, adjusting temporary diversion ditches and slope drains daily as cm'fill operations
PROPOSED TREEUNE
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13. S and install erosion control matting (m shown an plans), fm asbilizstion on
all cut and fill elopes once finished grade is reached or within 7 calendar day. after fnal
grade is a •hieved.
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14. Groundcover that is sufficient to restrain erosion must be placed on all exposed elopes
3:1 dikes, ditches
" p
p
greater than and all perimeter areas (including swales, and elopes)
within seven (7) days of completion of any phase of grading: place pemarlent
Z m
grounde- for all other disturbed areas within founcen (14) working days of fmished
W r.
grade.
PROPOSED TEMPORARY SLOPE DRAINS
15. Erosion control measures shall be maintained during the am ire length of the Project and
until site is stabilized.
N
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16. I;pm full wile alabilvalion, the coKractur shall notify the Engineer and NCDENR far the
inapectim and coordination of the removal of temporary erosion control measures. No
`I"
_
measure shall be removed without prior appror al.
17. Estimated time to stabilize the site is nine (9) months.
MAINTENANCE P1 AN
1. ALL EROSION AND SEDIMENT CONTROL PRACTICES SHALL BE CHECKED
FOR STABILITY AND OPERATION FOLLOWING EVERY RUNOFF - PRODUCING
RAINFALL, BUT IN NO CASE LESS THAN ONCE EVERY WEEK. ANY NEEDED
ca
REPAIRS SHALL BE MADE IMMEDIATELY TO MAINTAIN ALL PRACTICES AS
DESIGNED.
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2. SEDIM ENT SHALL BE REMOVED FROM ME TEMPORARY SKIMMER AND SEDIMENT
BASINS WHEN SEDIMENT ACCUMULATES TO ONE -HALF THE HEIGHT OF THE FIRST
Z
N
BAFFLE CLEAN OUT AND RESHAPE BASIN BACK TO THEIR ORIMNAL DIMENSIONS.
J
SKIMMERS SHALL BE CHECK FOR CLOGGING AND CLEANED. REPAIR ANY DAMAGED
BAFTlES.
O
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3. SEDIMENT SHALL BE REMOVED FROM BEHIND THE SILT FENCE WHEN IT
BECOMES ABOUT 0.5 FEET DEEP AT THE FENCE. THE SILT FENCE SHALL
U
BE REPAIRED AS NECESSARY TO MAINTAIN A BARRIER.
4. ALL SEEDED AREAS SHALL BE FERTILIZED, RESEEDED AS NECESSARY AND
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MULCHED ACCORDING TO SPECIFICATIONS IN THE SEEDING SPECIFICATIONS
Ui
TO MAINTAIN A MGOR0l1S AND DENSE VEGETATIVE COVER.
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5. MAINTAIN ALL MATTING THAT HAS BEEN PLACED ON SLOPES AND IN DITCHES CHECK
LLI
FOR GOOD GROUND CONTACT AND FOR THE OCCURRENCE OF EROSION UNDER THE
> 1 A
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MATTING. MONITOR AND REPAIR OR REPLACE AS NECESSARY.
S. THE CONTRACTOR SHALL MAINTAIN SELF WSPECTION REPORTS AS REQUIRED BY
O
NCDENR AND THE NPDES CONSTRUCTION STORMWATER PERMIT. SELF INSPECTIONS
ARE TO BE CONDUCTED AFTER EACH PHASE Of THE PROJECT FOR THE RECORD OF
THE INSTALLATION AND MAINTENANCE OF TIC EROSION CONTROL MEASURERS
Q Z
2 -FOOT CONTOUR INTERVAL (PROPOSED SURFACE)
1 -FOOT CONTOUR INTERVAL (EXISTING SURFACE)
S NOTE: LOCATIONS OF EXISTING UTILITIES AS SHOWN ARE APPROXIMATE ONLY
EXACT LOCATIONS ARE TO BE VERIFIED IN THE FIELD BY THE CONTRACTOR.
PROPOSED 27' WIDE PAVED ROADWAY
WITH 30' CONCRETE CURB AND GUTTER
BOTH SIDES AND 5' WIDE CONCRETE
SIDEWALK - SEE SHEETS C -101
THROUGH C -107 FOR PLANS
PROP SKIMMER BASIN /4
BOTTOM DIM - 44' X 104'. DAM - 882.00
D = 2• -0". BOTTOM ELEV 878.00
WEIR: L - 8; ELEV - 880.50
y 6' SKIMMER WITH 1.5' ORIFICE
BAFFLES 26', 52', 78' FROM INLET
30 LF OF 6* DIA SCH 40 PVC
;HARGE PIPE FROM SKIMMER
ASSEMBLY O 6.66% - .- --
INV OUT - 878.52
,r NO. DATE BY REVISION DESCRIPTION
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C -114
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APPROX.
LIMITS OF DISTURBANCE SUMMARY
AREA OF MASS GRADING t 34.05 ACRES
APPROX.
AREA OF NORTH ROADWAY t 2.91 ACRES
APPROX.
AREA OF SOUTH ROADWAY t 5.68 ACRES
APPROX.
COMBINED TOTAL t 42.64 ACRES
LEGEND
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PROPOSED PROTECTIVE DRAINAGE STRUCTURE
PROPOSED TEMPORARY DIVERSION DITCH
PROPOSED TEMPORARY SILT FENCE
Ir
PROPOSED PERMANENT SEEDING
PROPOSED TREEUNE
PROPOSED STRAW WATTLE
- - - - - -
- PROPOSED LIMITS OF DISTURBANCE
Cs>av
PROPOSED TEMPORARY SLOPE DRAINS
2 -FOOT CONTOUR INTERVAL (PROPOSED SURFACE)
1 -FOOT CONTOUR INTERVAL (EXISTING SURFACE)
S NOTE: LOCATIONS OF EXISTING UTILITIES AS SHOWN ARE APPROXIMATE ONLY
EXACT LOCATIONS ARE TO BE VERIFIED IN THE FIELD BY THE CONTRACTOR.
PROPOSED 27' WIDE PAVED ROADWAY
WITH 30' CONCRETE CURB AND GUTTER
BOTH SIDES AND 5' WIDE CONCRETE
SIDEWALK - SEE SHEETS C -101
THROUGH C -107 FOR PLANS
PROP SKIMMER BASIN /4
BOTTOM DIM - 44' X 104'. DAM - 882.00
D = 2• -0". BOTTOM ELEV 878.00
WEIR: L - 8; ELEV - 880.50
y 6' SKIMMER WITH 1.5' ORIFICE
BAFFLES 26', 52', 78' FROM INLET
30 LF OF 6* DIA SCH 40 PVC
;HARGE PIPE FROM SKIMMER
ASSEMBLY O 6.66% - .- --
INV OUT - 878.52
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G CLEAN WATER SWALE TO BE I 1 �/ j MASS GRADING NC DATA CAMPUS W
6 _ _ `� � CONSTRUCTIONED PRIOR TO START OF - , CONSTRUCTION SEQUENCE far EROSION CONTROL MEASURES U u
/1/ - - - - - - - - - - - - MASS GRADING OPERATIONS
- - _ - - _ - _ _ -- _ FOR LOT 3. SWALE TO BE LINED WITH / Pe Pea Q
1. Obtain erosion control permit and t on site.
- _= _ _a0 _ NAG 5150 OR APPROVED EQUAL, / 2. Attend preconstruction meeting with the civil engineer and inspector from NCDENR L z j
-_- - = CONNECT SWALE TO EXISTING RIP RAP LINED Monroeville Regional Office priorta beginning begin.. lion. C S
I 1 1 ale sw wear arch -• - - - _= _ = =_ DITCH. / a 3. Flag work limits before conatnsclion activity begins. (: s
4. The Contractor shall be responsible for keeping all records required by NCDENR for the Q
IInYY �� installation and mainleoance of the site erosion control. �7
3. Site to be entered through NC PV2, per owner's directive. Z
6. COffitrlllt gravel access road to Area that has barn clewed and grubbed. (See clearing and
/ grubbing plane) UUZ
7. Install sih fence as shown on plans, clearing only what is necessan to imtal l the sih Z .
fence. O Q, S
k ^l, I -sus \\ \� / / 8. Install the clean water swales prior o beginning mass grading Line awales with matting a -
\ r ROPOSED TEMPORARY
\ BERM TO BE RAISED AND
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BOTTOM DIM - 68' X 327'. DAM - 878.00 /
V Vp D = 2' -0'. BOTTOM ELEV 873.00 /
/ WEIR: L -16': ELEV 876.50 /
J 6' SKIMMER MATH 4' ORIFICE
(3) ROW OF BAFFLES SPACED
EVENLY (SEE DETAIL)
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P / as shown on the plan . $
/ 9. Install I mporay sediment beaus with skimmer. Slope grade toward hasins.
/ 10. Construct wmporary diversion ditches io direct nm-off to the sedmuent basins. i
11. Continue grading work, .Iny area that ism finish grade shall be stabilized immediately. Z
% 12. As campus has are being brought up maintain berms at the top of till elopes on a daily
basis. Adjusting temporary diversion ditches and slope drains daily as cuVfill operations
prow".. W 1
13. Seed'gras and install erosion control matting (a shown on plain), for stabilization on W
all cut and fill slopes once finished grade is reached or within 7 calendar days after final z
grade is achieved. _
/ - - - 14. Caoaldcova that is suRicient io restrain erasion moat be placed on all exposed slopes <
greater than 3:1 and all perimeter areas (including dikes, awalas• ditches and slopes) p
/ within seven (7) day. of completion of any phase of grading place p.--t Z m
y PROP. SKIMMER BASIN #'5 �� groumdcover for all other disturbed areas within fourteen (14) working day. of finished LU h
BOTTOM DIM - 44' X 100'. DAM - 873.00 grda.
D as 2' -0', BOTTOM ELEV 869.00 15. Erosion control measures shall be maintained during the entire length of the project and
WEIR: L =18': ELEV =871.50 um ilsitenstabilized. o` °a► N "
6* SKIMMER WITH 1.5" ORIFICE /' 16. Upon full site stabilization, the contractor shall notify the Engineer ad NCDENR far the
;BAFFLES 25', 50', 75' FROM INLET /I inspection and coordination of the removal of temporay erosion control TReaetase. No
% meaure shall be removed without prior approval. _
17. Eatimated time to stabilize the site is nine (9) months. `
yW PROP. DISS. 5 w/ ILAAIAITFIAIAAIf'.F PI 4A1
L- 6. WIs 9'
T as 12' ; CL B • 1. ALL EROSION AND SEDIMENT CONTROL PRACTICES SHALL OE CHECKED
I FOR STABILITY AND OPERATION FOLLOWING EVERY RUNOFF - PRODUCING M
/ RAINFALL, BUT IN NO CASE LESS THAN ONCE EVERY WEEK. ANY NEEDED W
PROP. 32 LF OF 6a DIA SCH 40 PVC REPAIRS SHALL BE MADE IMMEDIATELY TO MAINTAIN ALL PRACTICES AS aa-
DISCHARGE PIPE FROM SKIMMER DESIGNED. Q
/ 2. BASPIS SEDIMENT $HALL IM REMOVED FROM S 1DNE- ARY SKIMMER AND SEDIMENT
HEFIR Z
ASSEMBLY 0 8.76 / BARNS WHEN SEDIMENT ACESHAPE BS TD ONE -NAIf THE NEIGIN OF THE ION& '^ J
/ INV OUT 866.76 % / BAF RE. CLEAN OUT AND RESHAI E BASIN BAN( CL THEIR ORDINAL NY DA 0GE
, SILIIYIERS SMALL BE CHECK FOR d.OGGNG AND CRANED. REPAa ANY DAMAGED � O
4 , BAFFLES. 0
d' 1 3. SEDIMENT SHALL BE REMOVED FROM BEHIND THE SILT FENCE WHEN IT = Q
BECOMES ABOUT 0.5 FEET DEEP AT THE FENCE. THE SILT FENCE SHALL 0 w U
/ J BE REPAIRED AS NECESSARY TO MAINTAIN A BARRIER. Ian
/ 4. ALL SEEDED AREAS SHALL BE FERTILIZED, RESEEDED AS NECESSARY AND Z ,A
- PROP. TEMP. 24' HDPE , MULCHED ACCORDING TO SPECIFICATIONS IN THE SEEDING SPECIFICATIONS L 1 V! H
SLOPE DRAIN WITH INLET ) TO MAINTAIN A VIGOROUS AND DENSE VEGETATIVE COVER. C X
(TYPICAL) / J+ 5. MAINTAIN ALL MATTING THAT HAS BEEN PLACED ON SLOPES AND M DITCHES. CHECK LJ -1 O
ETAIL) / I FOR GOOD GROUND CONTACT AND FOR ME OCCURRENCE OF EROSION UNDER THE , [L Z
y / J MATTING. MONITOR AND REPAIR OR REPLACE AS NECESSARY. O
r l 6. THE CONTRACTOR SMALL MAINTAN SELF INSPECTION REPORTS AS REWIRED BY O
1 NCDENR AND THE NPDES CONSTRUCTION STORMWATER PERMIT. SELF INSPECTIONS
/ ARE TO BE CONDUCTED AFTER EACH PHASE OF THE PROJECT FOR THE RECORD OF LL.
% THE INSTALLATION AND MAINTENANCE OF THE EROSION CONTROL MEASURERS. j
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APPROX. AREA OF MASS GRADING t 34.05 ACRES ` r m
APPROX. AREA OF NORTH ROADWAY t 2.91 ACRES SSS
APPROX. AREA OF SOUTH ROADWAY t 5.68 ACRES
j APPROX. COMBINED TOTAL t 42.64 ACRES O
CATAWBA COUNTY PROPERTY
%DEVEDEVEL
LOPMENT CORPORATION
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PROPOSED 150,000 SO. FT.
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LOT NO. 3 - 322 ACRES
PAD ELEV. 902.00
PROPOSED TEMPORARY SILT FENCE
PROPOSED TEMPORARY DIVERSION
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\DITCH TO DIVERT RUN -OFF AT
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TOP OF RAISED FILL. SLOPE AS
.i PROPOSED TREELINE
JINDICATED. (NO MATTING REQUIRED)
N ` _
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!I! ) PROP. SKIMMER BASIN /1
BOTTOM DIM - 68' X 327'. DAM - 878.00 /
V Vp D = 2' -0'. BOTTOM ELEV 873.00 /
/ WEIR: L -16': ELEV 876.50 /
J 6' SKIMMER MATH 4' ORIFICE
(3) ROW OF BAFFLES SPACED
EVENLY (SEE DETAIL)
`
P / as shown on the plan . $
/ 9. Install I mporay sediment beaus with skimmer. Slope grade toward hasins.
/ 10. Construct wmporary diversion ditches io direct nm-off to the sedmuent basins. i
11. Continue grading work, .Iny area that ism finish grade shall be stabilized immediately. Z
% 12. As campus has are being brought up maintain berms at the top of till elopes on a daily
basis. Adjusting temporary diversion ditches and slope drains daily as cuVfill operations
prow".. W 1
13. Seed'gras and install erosion control matting (a shown on plain), for stabilization on W
all cut and fill slopes once finished grade is reached or within 7 calendar days after final z
grade is achieved. _
/ - - - 14. Caoaldcova that is suRicient io restrain erasion moat be placed on all exposed slopes <
greater than 3:1 and all perimeter areas (including dikes, awalas• ditches and slopes) p
/ within seven (7) day. of completion of any phase of grading place p.--t Z m
y PROP. SKIMMER BASIN #'5 �� groumdcover for all other disturbed areas within fourteen (14) working day. of finished LU h
BOTTOM DIM - 44' X 100'. DAM - 873.00 grda.
D as 2' -0', BOTTOM ELEV 869.00 15. Erosion control measures shall be maintained during the entire length of the project and
WEIR: L =18': ELEV =871.50 um ilsitenstabilized. o` °a► N "
6* SKIMMER WITH 1.5" ORIFICE /' 16. Upon full site stabilization, the contractor shall notify the Engineer ad NCDENR far the
;BAFFLES 25', 50', 75' FROM INLET /I inspection and coordination of the removal of temporay erosion control TReaetase. No
% meaure shall be removed without prior approval. _
17. Eatimated time to stabilize the site is nine (9) months. `
yW PROP. DISS. 5 w/ ILAAIAITFIAIAAIf'.F PI 4A1
L- 6. WIs 9'
T as 12' ; CL B • 1. ALL EROSION AND SEDIMENT CONTROL PRACTICES SHALL OE CHECKED
I FOR STABILITY AND OPERATION FOLLOWING EVERY RUNOFF - PRODUCING M
/ RAINFALL, BUT IN NO CASE LESS THAN ONCE EVERY WEEK. ANY NEEDED W
PROP. 32 LF OF 6a DIA SCH 40 PVC REPAIRS SHALL BE MADE IMMEDIATELY TO MAINTAIN ALL PRACTICES AS aa-
DISCHARGE PIPE FROM SKIMMER DESIGNED. Q
/ 2. BASPIS SEDIMENT $HALL IM REMOVED FROM S 1DNE- ARY SKIMMER AND SEDIMENT
HEFIR Z
ASSEMBLY 0 8.76 / BARNS WHEN SEDIMENT ACESHAPE BS TD ONE -NAIf THE NEIGIN OF THE ION& '^ J
/ INV OUT 866.76 % / BAF RE. CLEAN OUT AND RESHAI E BASIN BAN( CL THEIR ORDINAL NY DA 0GE
, SILIIYIERS SMALL BE CHECK FOR d.OGGNG AND CRANED. REPAa ANY DAMAGED � O
4 , BAFFLES. 0
d' 1 3. SEDIMENT SHALL BE REMOVED FROM BEHIND THE SILT FENCE WHEN IT = Q
BECOMES ABOUT 0.5 FEET DEEP AT THE FENCE. THE SILT FENCE SHALL 0 w U
/ J BE REPAIRED AS NECESSARY TO MAINTAIN A BARRIER. Ian
/ 4. ALL SEEDED AREAS SHALL BE FERTILIZED, RESEEDED AS NECESSARY AND Z ,A
- PROP. TEMP. 24' HDPE , MULCHED ACCORDING TO SPECIFICATIONS IN THE SEEDING SPECIFICATIONS L 1 V! H
SLOPE DRAIN WITH INLET ) TO MAINTAIN A VIGOROUS AND DENSE VEGETATIVE COVER. C X
(TYPICAL) / J+ 5. MAINTAIN ALL MATTING THAT HAS BEEN PLACED ON SLOPES AND M DITCHES. CHECK LJ -1 O
ETAIL) / I FOR GOOD GROUND CONTACT AND FOR ME OCCURRENCE OF EROSION UNDER THE , [L Z
y / J MATTING. MONITOR AND REPAIR OR REPLACE AS NECESSARY. O
r l 6. THE CONTRACTOR SMALL MAINTAN SELF INSPECTION REPORTS AS REWIRED BY O
1 NCDENR AND THE NPDES CONSTRUCTION STORMWATER PERMIT. SELF INSPECTIONS
/ ARE TO BE CONDUCTED AFTER EACH PHASE OF THE PROJECT FOR THE RECORD OF LL.
% THE INSTALLATION AND MAINTENANCE OF THE EROSION CONTROL MEASURERS. j
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APPROX. AREA OF MASS GRADING t 34.05 ACRES ` r m
APPROX. AREA OF NORTH ROADWAY t 2.91 ACRES SSS
APPROX. AREA OF SOUTH ROADWAY t 5.68 ACRES
j APPROX. COMBINED TOTAL t 42.64 ACRES O
CATAWBA COUNTY PROPERTY
%DEVEDEVEL
LOPMENT CORPORATION
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GRAPIOC SC.ALX- I INCH = 60 FEET
2 -FOOT CONTOUR INTERVAL (PROPOSED SURFACE)
1 -FOOT CONTOUR INTERVAL (EXISTING SURFACE)
NOTE: LOCATIONS OF EXISTING U71UTIES AS SHOWN ARE APPROXIMATE ONLY.
EXACT LOCATIONS ARE TO BE VERIFIED IN THE FIELD BY THE CONTRACTOR.
NO. I DATE I BY
REVISION DESCRIPTION
M
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LEGEND
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PROPOSED PROTECTIVE DRAINAGE STRUCTURE
PROPOSED TEMPORARY DIVERSION DITCH
PROPOSED TEMPORARY SILT FENCE
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PROPOSED PERMANENT SEEDING
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PROPOSED STRAW WATTLE
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- - PROPOSED LIMITS OF DISTURBANCE
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PROPOSED TEMPORARY SLOPE DRAINS
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GRAPIOC SC.ALX- I INCH = 60 FEET
2 -FOOT CONTOUR INTERVAL (PROPOSED SURFACE)
1 -FOOT CONTOUR INTERVAL (EXISTING SURFACE)
NOTE: LOCATIONS OF EXISTING U71UTIES AS SHOWN ARE APPROXIMATE ONLY.
EXACT LOCATIONS ARE TO BE VERIFIED IN THE FIELD BY THE CONTRACTOR.
NO. I DATE I BY
REVISION DESCRIPTION
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AVEIVEO MAY 2 8 2013
U.S. ARMY CORPS OF ENGINEERS
WILMINGTON DISTRICT
Action ID. 201;1 -01309 County: Catawba USGS Quad: Newton
GENERAL PERMIT (REGIONAL AND NATIONWIDE) VERIFICATION
Property Owner / Authorized Agent: Citv of Conover / Attn: Donald E. Duncan, Jr.,
Address: 101 First Street East - [� 'y
Conover, NC 28613
Telephone No.: 828 -464 -1191
Size and loeatio a of property (water body, road name/number, town, etc.): The vronosed uroiect site is
located on an amaroisinately 250 acre tract of land (PIN 374206495558) east of County Home Road,
southeast of Lee Cline Road and north of NC Hishwav 16 in the Citv of Conover. Clines Township„
Catawba County. North Carolina. Coordinates are 35.7331 N. 81.2115 W.,
Description of projects area and activity: This uermit verification authorizes 40 linear feet of
temporary stream impacts to Lvle Creek associated with installation of new sewer and water lines,
for commercial develoument of the uronertv.,
Applicable Law: ® Section 404 (Clean Water Act, 33 USC 1344)
❑ Section 10 (Rivers and Harbors Act, 33 USC 403)
Authorization: Regional General Permit Number.
Nationwide Permit Number, . 39
Your work is authorized by the above referenced permit provided it is accomplished in strict accordance with
the attached conditions and your submitted plans. Any violation of the attached conditions or deviation from
your submitted flans may subject the permittee to a stop work order, a restoration order and/or appropriate
legal action.
This verification will remain valid until the expiration date identified below unless the nationwide authorization
is modified, suspended or revoked. It prior to the expiration date identified below, the nationwide permit
authorization is r,-issued and/or modified, this verification will remain valid until the expiration date identified
below, provided 'it complies with all requirements of the modified nationwide permit. If the nationwide permit
authorization exp' s or is suspended, revoked, or is modified, such that the activity would no longer comply with`
the terms and con litiobs of the nationwide permit, activities which have commenced (Le., are under construction) or
are under contrac to commence in reliance upon the nationwide permit, will remain authorized provided the activity
is completed witt in twelve months of the date of the nationwide permit's expiration, modification or revocation,
unless discretionmy authority has been exercised on a case -by -case basis to modify, suspend or revoke the
authorization.
Activities subjmt to Section 404 (as indicated above) may also require an individual Section 401 Water Quality
Certification You should contact the NC Division of Water Quality (telephone [phone]) to determine
Section 401 requirements. You may also visit their website at htti3:// nortaLncdenr .oriJweb/wo /swo /ws/webscaoe
For activities o, xurring within the twenty coastal counties subject to regulation under the Coastal Area
Management Act pCAMA), prior to beginning work you must contact the N.C. Division of Coastal Management
This Departm a it of the Army verification does not relieve the permittee of the responsibility to obtain any other
required Federal, State or local approvals/permits.
If there are any questions regarding this verification, any of the conditions of the Permit, or the Corps of
Engineers regulateay program, please contact David Brown at 828- 271 -7980.
Corps ReguIatorr Official David Browr�j ' / Date: Mav 22.2013
Expiration Date of Verification: March 18,`2017
I

The Wihnington District is committed to providing the highest level of support to the public. To help us ensure we
continue to do so, please complete the Customer Satisfaction Survey located at our website at
htinJ/ De r2.nwi).usace.arnv.miUsurvev.html to complete the survey online.
Determination of Jurisdiction:
A. ❑ Based on preliminary information, there appear to be waters of the US including wetlands within the above
_desc�'bgd project area This preliminary determination-is not an appealable action under the Regulatory
r Ero
_des" Appeal Process'(Reference 33 CFRPW 331). .
�.� . B:._ %& are Navigable Waters of the United States within the above described project area subject to the
permit requirements of Section 10 of the Rivers and Harbors Act and Section 404 of the Clean Water Act.
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.
C. ❑ There are waters of the US and/or wetlands within the above described project area 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.
D. ® The jurisdictional areas within the above described project area have been identified under a previous action.
Please reference jurisdictional determination issued November 7. 2012. Action ID 2012 -01309
Basis of Jurisdictional Determination:
The site contains wetlands as determined by the 1987 Corps of Engineers Wedand Delineation Manual and the
Interim Regional Supplement to the Corps of Engineers Wetlands Delineation Manual: Eastern Mountain and
Piedmont Region. These wetlands are abutting to stream channels located on the property that exhibit indicators of
ordinary high water marks. The stream channels on the property are unnamed tributaries (UTs) to Lyle Creek, a
-relatively permanent water (RPW), Lyle Creek (a RPW), and Cline Creek (a RPW). The UT's to Lyle Creek and
Cline Creek flow into Lyle Creek, and then into the Catawba River, a Section 10 water at the Mountain Island Lake
dam in Mecklenburg County, NC. The Catawba River joins the Santee Cooper River in South Carolina before
entering the Atlantic Ocean. The waters of the U.S. at this site were verified on -site by the Corps on August 9, 2012
and are as depicted on the stream and wetland delineation map prepared by Christopher F. Jordon, NC PLS, dated
November 2, 2012, Sheets 1-6.
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-
Appeals Information: (This information applies only to approved jurisdictional determinations as indicated in
B and C above).
This correspondence constitutes an approved jurisdictional determination for the above described site. 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 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: Jason Steele, Review Officer
60 Forsyth Street SW, Room 10M15
Atlanta, Georgia 30303 -8801
Phone: [phone]
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 January
6.2013.

* *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: David Bro Pl /
Issue Date: November 7, 2012 Expiration Date: Five years from Issue Date
Copy Furnished:
McGill Associates, PA_, Atta.: Shad Walters, 1240 19th Street Lane, NW, Hickory, NC 28601
Catawba County Property Development Corporation, Attn-: Scott Millar, 1960 -B 13th Avenue Drive,. SE,
Hickory, NC 28602

NCDEE R
North Carolina Department of Environment and Natural Resources
Division of Water Quality
Pat McCrory Charles Wakild, P. E. John E. Skvada, III
Governor Director Secretary
May 28, 2013
DWQ# 13 -0521
Catawba County
Mr. Donald Duncan
City of Conover, City Mgr.
101 First Street East
Conover, NC 28613
Subject: NC Data Campus
APPROVAL of 401 Water Quality Certification with Additional Conditions
Dear Mr. Duncan:
You have our approval, in accordance with the general certification and those conditions listed below,
to impact Lyle Creek, for the purpose proposed in your application dated May 13, 2013 and received by the
Division of Water Quality (the Division) on May 15, 2013. After reviewing your application, we have determined
that this project is covered by Water Quality General Certification Number 3884, which can be viewed on our
web site at http: // portal .ncdenr.orcitweb /wo /swD/ws /401. The General Certification allows you to use
Nationwide Permit Number 12 once it is issued to you by the U.S. Army Corps of Engineers. Please note that
you should get any other federal, state or local permits before proceeding with your project, including those
required by (but not limited to) Sediment and Erosion Control, Non - Discharge, and Water Supply Watershed
regulations.
The above noted Certification will expire when the associated 404 permit expires unless otherwise
specified in the General Certification. This approval is only valid for the purpose and design that you described
in your application. If you change your project, you must notify us in writing, and you may be required to send
us a new application for a new certification. If the property is sold, the new owner must be given a copy of the
Certification and approval letter; and is thereby responsible for complying with all conditions.
In addition to the requirements of the certification, you must also comply with the following conditions:
1. The Mooresville Regional Office shall be notified in writing once construction at the approved impact areas
has commenced.
2. A final, written storm water management plan shall be submitted to the 401 Oversight and Express
Permitting Unit (1650 Mail Service Center, NC, 27699 -1650) or approved delegated authority within 60
days of the issuance of the 401 Water Quality Certification. The storm water management plan shall be
approved in writing by this Office or delegated authority before the impacts specified in this Certification
occurs. Plans submitted to DWQ for approval shall include full size grading and drainage plans, BMP
sizing information, delineated drainage areas, surface area sizing data, design calculations, plan sheets
w /planting plans, and a signedinotarized Operation and Maintenance agreement(s). The storm water best
Mooresville Regional Office '�J ne
Location: 610 East Center Avenue, Suite 301, Mooresville, NC 28115 1V c Carolina
Phone: [phone]Wax: (704) 663 -60401 Customer Service: 1- 877 - 623 -6748 /Ca //
Internet: http: / /portal.nodenr.orgtwebfwq ahl a"ll
An Equal Opportunity /Affirmative Action Employer— 50% Recycled/10% Post Consumer Paper

management practices are required to be appropriate for the surface water classification and designed to
remove at least 85% TSS according to the most recent version of the NC DENR Storm water Best
Management Practices Manual. These facilities must be designed to treat the runoff from the entire
project, unless otherwise explicitly approved by DWQ. Also, before any permanent building is occupied at
this site (Data Center proper) the plan shall be implemented and the facilities shall be constructed and
operational. The approved structural storm water practices as well as drainage patterns must be
maintained in perpetuity. No changes to the structural storm water practices shall be made without written
authorization from DWQ.
3. Approved Impacts:
I Type of Impact Amount Approved Amount Approved
Temporary Impact I Permanent Impact ,
stream 40 linear ft.
Wetland
4. All wetlands, streams, surface waters, and riparian buffers located on the project site where impacts are not
allowed shall be clearly marked (example- orange fabric fencing) prior to any land disturbing activities.
5. Use of native vegetation and other soft stream bank stabilization techniques must be used where practicable
instead of riprap or other bank hardening methods. If riprap is necessary, it shall not be placed in the
streambed, unless approved by DWQ.
6. Stormwater discharge structures at this site shall be constructed in a manner such that the potential receiving
streams will not be impacted due to sediment accumulations, scouring or erosion of the stream banks.
Discharge shall not occur within 50 ft of the receiving stream.
7. No waste, spoil, solids, or fill of any kind shall occur in wetlands, waters, or riparian areas beyond the foot
print of the impacts depicted in the Preconstruction Notification application. All construction activities
associated with this project shall meet, and/or exceed, those requirements specified in the most recent
version of the North Carolina Sediment and Erosion Control Manual and shall be conducted so that no
violations of state water quality standards, statutes, or rules occur.
8. Sediment and erosion control measures shall not be placed in wetlands or waters to the maximum extent
practicable. If placement of sediment and erosion control devices in wetlands and waters is unavoidable,
they shall be removed and the natural grade restored within two months of the date the Division of Land
Resources has released the project.
9. Deed notifications or similar meechanisms shall be placed on all retained jurisdictional wetlands, waters and
protective buffers in order to assure compliance for future wetland, water and buffer impact. These
mechanisms shall be put in place at the time of recording of the property, or of individual lots, whichever is
appropriate. A sample deed notification can be downloaded from the 401/Wetlands Unit web site at
http:// h2o.enr.state.nc.us /ncwetlands. The text of the sample deed notification may be modified as
appropriate to suit to this proje t.
10. Upon completion of the project, the applicant shall complete and return the enclosed "Certificate of
Completion" form to the 401/Wetlands Unit of the NC DWQ.
11. Continuing Compliance. The applicant (Ciyt of Conover) shall conduct all activities in a manner so as not to
contravene any state water quality standard (including any requirements for compliance with section 303(d)

of the Clean Water Act) and any other appropriate requirements of state and federal law. If DWQ determines
that such standards or laws are not being met (including the failure to sustain a designated or achieved use)
or that state or federal law is being violated, or that further conditions are necessary to assure compliance,
DWQ may reevaluate and modify this certification to include conditions appropriate to assure compliance with
such standards and requirements in accordance with 15 A NCAC 2H.0507(d). Before codifying the
certification, DWQ shall notify the applicant and the US Army Corps of Engineers, provide public notice in
accordance with 15A NCAC 2H.0503, and provide opportunity for public hearing in accordance with 15A
NCAC 2H.0504. Any new or revised conditions shall be provided to the applicant in writing, shall be provided
to the United States Army Corps of Engineers for reference in any permit issued pursuant to Section 404 of
the Clean Water Act, and shall also become conditions of the 404 Permit for the project.
If you do not accept any of the conditions of this certification, you may ask for an adjudicatory hearing.
You must act within 60 days of the date that you receive this letter. To ask for a hearing, send a written
petition that conforms to Chapter 1508 of the North Carolina General Statutes to the Office of Administrative
Hearings, 6714 Mail Service Center, Raleigh, N.C. 27699 -6714. This certification and its conditions are final
and binding unless you ask for a hearing.
This letter completes the review of DWQ under Section 401 of the Clean Water Act. If you have any
questions, please telephone Mr. Alan Johnson in the Mooresville Regional Office at 704 - 663 -1699 or Ms. Karen
Higgins in the Central Office in Raleigh 919 - 807 -6360.
Sincerely,
for Charles Wakild, P.E.
Attachments
cc: Army Corps of Engineers, Asheville
Karen Higgins, Wetlands Unit
MRO, Land Quality
Shad Walter, McGill Associates, Hickory
DWQ #13 -0521

Federal ]Emergency Management Agency
Washington, DC 20472
North Carolina Floodplain Mapping Program
Cooperating Technical State
CERTIFIED MAIL
RETURN RECEIPT REQUESTED
The Honorable Lee E. Moritz, Jr.
Mayor, City of Conover
101 l' Street East
Conover, North Carolina 28613
Dear Mayor Moritz:
May 16, 2013
IN REPLY REFER TO:
Case No.:
Community Name:
Community No.:
o
13- 04 -2244R
City of Conover, NC
370053
We are providing our comments with this enclosed Conditional Letter of Map Revision (CLOMR) on a
proposed project within your community that, if constructed as proposed, could revise the effective Flood
Insurance Study report and Flood Insurance Rate Map for your community.
If you have any questions regarding floodplain management regulations for your community or the National
Flood Insurance Program (NFIP) in general, please contact the Floodplain Administrator for your community.
If you have any technical questions regarding this CLOMR, please contact the North Carolina Floodplain
Mapping Program (NCFMP) at (919) 825 -2316, or the Federal Emergency Management Agency (FEMA) Map
Information eXchange (FMIX) toll free at 1- 877 - 336 -2627 (1- 877 -FEMA MAP). Additional information about
the NFIP is available on FEMA's website at htto: / /www.fema.aov /business /nfiv. and additional information
about the NCFMP is available at htto: / /www.ncfloodmat)s.com.
Sincerely,
Beth A. Norton, Program Specialist
Federal Emergency Management Agency
Engineering Management Branch
Federal Insurance and Mitigation Administration
John K. Dorman, Program Director
North Carolina Floodplain Mapping Program
List of Enclosures:
Conditional Letter of Map Revision Comment Document
cc: Mr. Q. Lance Hight, AICP. Planning Director, City of Conover
Mr. Shad Walters, P.E., McGill Associates, P.A.
Mr. Trenton J. Cormier, P.E.. Florence & Hutcheson, Inc.
Mr. Steve Garrett, CFM, LOMC Manager, NCFMP

rage 1 of 5 Ilssue Date: May 16, 2013 I Case No.: 13.04 -2244R I CLOMR -APP
t,Artr4.;
r
Federal Emergency Management Agency
Washington, D.C. 20472
CONDITIONAL LETTER OF MAP REVISION
COMMENT DOCUMENT
COMMUNITY INFORMATION PROPOSED PROJECT DESCRIPTION BASIS OF CONDITIONAL�—
REQUEST
BRIDGE FLOODWAY
City of Conover, FILL HYDRAULIC ANALYSIS
Catawba County, NEW TOPOGRAPHIC DATA
COMMUNITY North Carolina
COMMUNITY NO.: 370053
NC -13 -352 Proposed Thornburg Drive NE Extensional Lyle APPROXIMATE LATITUDE a LONGITUDE: 35.733. 81.208
IDENTIFIER Creek SOURCE: USGS QUADRANGLE DATUM: NAD 83
AFFECTED MAP PANELS
TYPE. FIRM" 3710374200) DATE: September 5, 2007
"FIRM -Flood Insurance Rate Map
_- ... ....
... - ....._ ..................._,_ _
FLOODING SOURCE(S) AND REACH DESCRIPTION See Page 2 far Add86onal Flooding Sources -
Lyle Creek —from a point approximately 1.2 miles downstream of County Home Road to a point approximately 0 7 miles downstream of County Home Road
PROPOSED PROJECT DESCRIPTION
Flooding Source Proposed Project Location of Proposed Project
Lyle Creek Proposed Bridge At a point approximately 1.1 miles downstream of County Horne Road
SUMMARY OF IMPACTS TO FLOOD HAZARD DATA
Flooding Source Effective Flooding
Proposed Flooding
Increases
Decreases
Lyle Creek BFEs'
BFEs
Yes
Yes
Zone AE
Zone AE
Yes
Yes
Floodway
Floodway
Yes
Yes
Zone X (shaded)
Zone X (shaded)
Yes
Yes
' BFEs - Base (1- percent- ennual- chance) Flood Elevations
.... ..., .....�r,. W .........,,._ ......... ... .... ......
..,. ,..,....,.
., .,. ... .,.,,..,............ .................. ,.,. ,
COMMENT,..
This document provides the Federal Emergency Management Agency's (FEMA's) comment regarding a request for a CLOMR for the pro)ect described above. This
document is not a final determination-, it only provides our corcanent on the proposed project in relation to the flood hazard information shown on the effective
National Flood Insurance Program (NFIP) map We reviewed the submitted data and the data used to prepare the effective flood hazard information for your
community and determined that the proposed project meets the mirli nun; floodplain management criteria of the NFIP Your community is responsible for approving
all floodplain development and for ensuring that all permits required by Federal or State/Commonwealth law have been received State/Commonwealth, county,
and community officials, based on their knowledge of local conditions and in the interest of safety, may set higher standards for construction in the Special Flood
Hazard Area (SFHA), the area subject to inundation by the base food. If the State/Commonwealth, county, or community has adopted more restrictive or
comprehensive floodplain management criteria, these criteria take precedence over the minimum NFIP criteria
This detertnirt l]Wis based on the flood datWpresently available. The enclosed documents provide additional information regarding _ this determination. If u have an
you y
questions about this document, please contact the FEMA Map Information eXchange (FMIX) toll free at 1 877 338 2627 (1 877 FEMA MAP) or by letter addressed to the
LOMC Clearinghouse, 847 South Pickett Street, Mexandrla. VA 22304 -4605. Additional Information about the NFIP is available on our Web site at
http:llwww.fenna.govlbusin esslnfi p.
Beth A. Norton, Program Specialist
Engineering Management Branch
Federal Insurance and Mitigation Administration 1304 -22448 104

Page 2 of 5 Ilssue Date: May 16, 2013 (Case No.: 13-04 -22448 I CLOMR -APP
_ Federal Emergency Management Agency
Washington, D.C. 20472
CONDITIONAL LETTER OF MAP REVISION
COMMENT DOCUMENT (CONTINUED)
COMMUNITY INFORMATION
To determine the changes in flood hazards that will be caused by the proposed project, we compared the hydraulic modeling reflecting the proposed
project (referred to as the proposed conditions model) to the hydraulic modeling used to prepare the Flood Insurance Study (FIS) (referred to as the
efli:ctive model). If the effective model does not provide enough detail to evaluate the effects of the proposed project, an existing conditions model
must be developed to provide this detail This existing conditions model is then compared to the effective model and the proposed conditions model to
differentiate the increases or decreases in flood hazards caused by more detailed modeling from the increases or decreases in flood hazards that will be
caused by the proposed project.
The table below shows the changes in the BFEs:
BFE Comparison Table
Flooding Source. Lyle Crock BFE Change (feet) 7Location of maximum change
Existing vs, Maximum increase
0.9 approximately 1.1 miles downstream of County Home Road
Effective Maximum decrease
5 a� downstream of County Home Road
0. , proximate) 1.0 mile downs ,. _
y,.
Proposed vs. Maximum increase
0.2 approximately 1 I miles downstream of Comity Home Road
Existing Maximum decrease
0.01 approximately 1.0 mile downstream of County Home Road
Proposed vs. Maximum increase
1.0 approximately 1.1 miles downstream of County Home Road _
-1
Etrucctive 1maxiniumdecrease
0.5 approximately 1.0 mite downstream of County Home Road
Increases due to the proposed project that exceed those permitted under Subparagraphs (c)(l0) or (d)(3) of Section 60.3 of the NFIP regulations must
adhere to Section 65.12 of the NFIP regulations.
With this request, your community has complied with all requirements of Paragraph 65.12(x) of the
NFIP regulations. Compliance with Paragraph 65.12(b) also is necessary before FEMA can issue a Letter of Map Revision when a community
proposes to permit encroachments into the effective floodplam that will cause BFE increases in excess of those permitted under Subparagraph
60.3(c)(10).
NFIP regulations Subparagraph 60 3(b)(7) requires communities to ensure that the flood - carrying capacity within the altered or relocated portion of
any watercourse is maintained. This provision is incorporated into your community's existing floodplain management ordinances; therefore,
responsibility for maintenance of the altered or related watercourse including any related appurtenances such as bridges culverts and other drainage
structures, rests with your community. We may request that your community submit a description and schedule of maintenance activities necessary to
ensure this requirement
ocunients�provide additional information regarding this determination. . _..,,, ...,.,
-This delermUineon is based on the flood data d
presently available. The enose' d d
tf you have any
questions about this document, please contact the FEMA Map Information exchange (FMDO toll free at 1 877 335 2627 (1 877 FEMA MAP) or by fetter addressed to the
LOMC Clearinghouse, 847 South Pickett Street, Alexandria, VA 223044605. Additional Information about the NFIP is available on our Web site at
httplhvww fema.govIbusiness/nfip.
L&-ax -ax �t n - na4o1,
Beth A Norton, Program Specialist
Engineering Management Branch
Federal Insurance and Mitigation Administration 13-04.2244R 104

Page 3 of 5 1Issue Date: May 16, 2013
Case NO.: 13.04.2244R CLOMR -APP
Upon completion of the project, your community must submit the data listed below and request that we make a final determination on
revising the effective FIRM and FIS report. If the project is built as proposed and the data below are received, a revision to the FIRM
and FIS report would be warranted.
• The detailed application and certification forms listed below may be required if as -built conditions differ from the proposed plans. If
required, please submit new forms, which may be accessed at http://www.fema.gov/plan/prevent/fbm/dl—mt-2.shttn, or annotated copies
of the previously submitted forms showing the revised information.
Form 1, entitled "Overview & Concurrence Form". Detailed application and certification forms must be used for requesting final
revisions to the maps. Therefore. when the map revision request for the area covered by this letter is submitted. Form 1 must be
included. If as -built conditions differ from the proposed plans.
Form 2, entitled "Riverine Hydrology and Hydraulics Form." Hydraulic analyses for as -built conditions of the base flood must be
submitted with Form 2.
Form 3. entitled °Riverine Structures Form." must be included.
• A certified topographic work map showing the revised and effective base floodplain boundaries. Please ensure that the revised
information ties in with the current effective information at the downstream and upstream ends of the revised reach.
• Hydraulic analyses, for as -built conditions, of the base flood and the floodway together with a topographic work map showing the
revised floodplain and floodway area boundaries. Please ensure that the revised information ties in with the current effective information
at the downstream and upstream ends of the revised reach.
• An annotated copy of the FIRM. at the scale of the effective FIRM, that shows the revised floodplain and floodway boundary
delineations shown on the submitted work map and how they tie into the floodplain and floodway boundary delineations shown on the
current effective FIRM at the downstream and upstream ends of the revised reach.
• As-built plans, certified by a registered professional engineer, of all proposed project elements.
• A copy of the public notice distributed by your community, stating its intent to revise the floodway, or a signed statement by your
community that it has notified all affected property owners and affected adjacent jurisdictions.
• Documentation of the notification to property owners who will be affected by any widening/shifting of the base floodplain and/or any
BFE increases along Lyle Creek.
This datermurarwn is basad'on the flood data presently available_ The enclosed documents provid" e additia61'infomiation rag ardi . � thfs"dete-r.m.i ' a-t• t
on. If y' 'o'u have arty,
questions about this document, please contact the FEMA Map Inforrnatlon eXchange (FIN DO toll free at 1 877 336 2627 (1 877 FEMA MAP) or by letter addressed to the
LOMC Clearinghouse, 847 South Pickett Street. Alexandria, VA 22304 -4605 Additional Information about the NFIP Is available on our Web site at
h tpllwww.fema_govtbuatnesslnilp
L&l,f', QIi.or4 .
Beth A. Norton, Program Specialist
Engineering Management Branch
Federal Insurance and Mitigation Administrabon 13.04 -2244R 104.
Federal Emergency Management Agency
Washington, D.C. 20472
CONDITIONAL LETTER OF MAP REVISION
COMMENT DOCUMENT (CONTINUED)
COMMUNITY IN FORM AT10 N CO TINUED)
DATA REQUIRED FOR FOLLOW -UP LOMB
Upon completion of the project, your community must submit the data listed below and request that we make a final determination on
revising the effective FIRM and FIS report. If the project is built as proposed and the data below are received, a revision to the FIRM
and FIS report would be warranted.
• The detailed application and certification forms listed below may be required if as -built conditions differ from the proposed plans. If
required, please submit new forms, which may be accessed at http://www.fema.gov/plan/prevent/fbm/dl—mt-2.shttn, or annotated copies
of the previously submitted forms showing the revised information.
Form 1, entitled "Overview & Concurrence Form". Detailed application and certification forms must be used for requesting final
revisions to the maps. Therefore. when the map revision request for the area covered by this letter is submitted. Form 1 must be
included. If as -built conditions differ from the proposed plans.
Form 2, entitled "Riverine Hydrology and Hydraulics Form." Hydraulic analyses for as -built conditions of the base flood must be
submitted with Form 2.
Form 3. entitled °Riverine Structures Form." must be included.
• A certified topographic work map showing the revised and effective base floodplain boundaries. Please ensure that the revised
information ties in with the current effective information at the downstream and upstream ends of the revised reach.
• Hydraulic analyses, for as -built conditions, of the base flood and the floodway together with a topographic work map showing the
revised floodplain and floodway area boundaries. Please ensure that the revised information ties in with the current effective information
at the downstream and upstream ends of the revised reach.
• An annotated copy of the FIRM. at the scale of the effective FIRM, that shows the revised floodplain and floodway boundary
delineations shown on the submitted work map and how they tie into the floodplain and floodway boundary delineations shown on the
current effective FIRM at the downstream and upstream ends of the revised reach.
• As-built plans, certified by a registered professional engineer, of all proposed project elements.
• A copy of the public notice distributed by your community, stating its intent to revise the floodway, or a signed statement by your
community that it has notified all affected property owners and affected adjacent jurisdictions.
• Documentation of the notification to property owners who will be affected by any widening/shifting of the base floodplain and/or any
BFE increases along Lyle Creek.
This datermurarwn is basad'on the flood data presently available_ The enclosed documents provid" e additia61'infomiation rag ardi . � thfs"dete-r.m.i ' a-t• t
on. If y' 'o'u have arty,
questions about this document, please contact the FEMA Map Inforrnatlon eXchange (FIN DO toll free at 1 877 336 2627 (1 877 FEMA MAP) or by letter addressed to the
LOMC Clearinghouse, 847 South Pickett Street. Alexandria, VA 22304 -4605 Additional Information about the NFIP Is available on our Web site at
h tpllwww.fema_govtbuatnesslnilp
L&l,f', QIi.or4 .
Beth A. Norton, Program Specialist
Engineering Management Branch
Federal Insurance and Mitigation Administrabon 13.04 -2244R 104.

Issue Date: May . . 16, 201 . . . . .. -0 .. .,.
Page 4 of 5 � y 3 Case No.: 13 4 -2244R + CLOMR -APP .
Federal Emergency Management Agency
- �
Washington, D.C. 20472
A)
CONDITIONAL LETTER OF MAP REVISION
COMMENT DOCUMENT (CONTINUED)
COMMUNITY INFORMATION (CONTINUED)
DATA REQUIRED FOR FOLLOW -UP LOMR (continued)
• A letter stating that your community will adopt and enforce the modified floodway, OR. if the State /Commonwealth has jurisdiction
over either the floodway or its adoption by your community, a copy of your community's letter to the appropriate State/Commonwealth
agency notifying it of the modification to the floodway and a copy of the letter from that agency stating its approval of the modification
• FEMA's fee schedule for reviewing and processing requests for conditional and final modifications to published flood information and
maps may be accessed at http: / /www.fema. gov/ plan/prevent/fhm/frm_fees.shtm. The fee at the time of the map revision submittal must
be received before we can begin processing the request. Payment of this fee can be made through a check or money order, made payable .
in U.S. funds to the National Flood Insurance Program or by credit card (Visa or MasterCard only). Please forward the payment, along
with the revision application, to the following address:
North Carolina MT -2 LOMC Depot
4218 Mail Service Center
Raleigh. North Carolina 27699 -4218
After receiving appropriate documentation to show that the project has been completed, FEMA will initiate a revision to the FIRM and
FIS report. Because the flood hazard information (i.e.. base flood elevations, base flood depths. SFHAs. zone designations. and/or
floodway) will change as a result of the project, a 90-day appeal period will be initiated for the revision, during which community
officials and interested persons may appeal the revised flood hazard information based on scientific or technical data.
This determination is based on the flood data presently available. The enclosed documents provide additional in formation regard ing i ng this delenninatioo n. . If you have any
questions about this documerd, please contact the FEMA Map Information eXchange (FMIX) toll free at 1 877 336 2627 (1 877 FEMA MAP) or by latter addressed to the
LOW Clearinghouse, 847 South Pickett Street, Alexandria, VA 22304 -4605. Additional Information about the NFIP is available on our Web site at
httpJMww.fema.gov /business/nfip 0
Beth A. Norton. Program Specialist
Engineering Management Branch
Federal Insurance and Mitigation Administration 13- 04 -2244R 104

Page 5 of 5 (Issue Date: May 16, 2013 (Case No.: 13-04 -22448 � CLOMR -APP
� r
Federal Emergency Management Agency
Washington, D.C. 20472
CONDITIONAL LETTER OF MAP REVISION
COMMENT DOCUMENT (CONTINUED)
..
COMMUNITY INFORMATION (CONTINUED)
COMMUNITY REMINDERS
We have designated a Consultation Coordination Officer (CCO) to assist your community. The CCO will be the primary liaison between
your community and FEMA. For information regarding your CCO, please contact:
Mr. Brad Loar
Director. Mitigation Division
Federal Emergency Management Agency. Region IV
Koger Center —Rutgers Building
3003 Chamblee Tucker Road
Atlanta. GA 30341
(770) 220 -5400
This determination is based on the flood data presently available. The enclosed documents provide additional information regarding this s„ ermination If ..
clef you have any
questions about this document, please contact the FEMA Map Information eXchange (FMIX) toll free at 1 877 336 2627 (1 877 FEMA MAP) or by letter addressed to the
LOMC Clearinghouse, 847 South Pickett Street, Alexandria, VA 223044605 Additional Information about the NFIP is available on our Web site at
http Jhvwnu.fem a.g o v 1b usin esslrrfi p.
Q7Lot4ol,-
Both A. Norton, Program Specialist
Engineering Management Branch
Federal insurance and Mitigation Administration 13- 042244R 104

"NOTICE: North Carolina MT -2 LOMC Depot Address Change"
As of January 1, 2013, the address for the MT -2 LOMC depot for the State of North Carolina will change.
MT -2 LOMC (CLOMR and LOMR) submittals within North Carolina, outside of Mecklenburg County,
should be submitted to one of the following addresses:
Mailing Address
NC MT -2 LOMC Depot
4218 Mail Service Center
Raleigh, NC 27699 -4218
MT -2 LOMC submittals may be sent to the new addresses at any time during the transition period prior to
January 1, 2013.

New Format for Conditional Letters of Map Revision
As of May 8, 2012, Conditional Letters of Map Revision (CLOMRs) processed by the North Carolina
Floodplain Mapping Program (FEMA's Cooperating Technical State MT -2 LOMR delegate for the State
of North Carolina) are being issued using a new format. The new CLOMR format is an improvement to
FEMA's MT -2 processing procedures, which will result in efficiencies and enhanced data captured in the
Mapping Information Platform (MIP) for each CLOMR request.
The new CLOMR format streamlines the traditional CLOMR by presenting the information in tables for
easier review of the proposed project impacts to the Special Flood Hazard Area (SFHA) and Base (1-
percent- annual - chance) Flood Elevations (BFEs). This format mimics the current LOMR determination
document, which is familiar to many communities and requestors.
If you have any questions, please contact Mr. Steve Garrett, CFM, LOMC Manager of the NCFMP, at
Steve.Garrett,ncdns.eov or (919) 825 -2316.

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ANC OLTS STATING I R O SI LEF THE REQUIRED SCALE INTO ASE SLAB 12' x 12'
MAINTENANCE AND ANNUAL 1,�SPECTION OF THE VET
DETENTION POND. FERNCO CONCRETE ASE PLAN VIEW of OUTLET STRUCTURE
3, T DETENTION U AS SEDIMENT BASINS NOTE: 6" MIN. ASKED STONE COUPLING �v q AR 12 "�f�
DURING THE CONSTRUCTION PERIOD HALL E FULLY OR OTHER SUITABLE MATERIAL BOTH WAYS
T T SCALE
CLEANED OUT PRIOR TO USE AS A STORM WATER CONTRACTOR TO CONFIRM LOCATION OF
EXISTING UTILITIES PRIOR TO BEGINNING INLET CONTROL STRUCTURE IN PRIMARY POND CONSTRUCTION. SHEET
®
NOT TO SCALE
AF
umllo
I
I
NQ. DATE BY REVISION DESCRIPTION

22
ANTI-VORTEX
—,—.--ANTI— VORTEX
CRETE BASE 1/2* x 6" x 3'
k.
#4 BAR
0 6" O.0
ASH RACK
2" PVC
iy
LUMr DUM r-t'�] iir-m ruR VVLlr'VNU I arlt',LL— EN S #3 F-
-"� \ CL
SECTION @_WET DETENTION POND (LENGTH) INCLUDE ALL WORK REQUIRED TO CONSTRUCT /-FLARED D ECTION 1
BU z
VALVE STEM NOT TO SCALE THE WETPOND WITHIN THIS BOUNDARY INCLUDING
TOP ELEV = 898.00 TOP WIDTH 10' MINIMUM T NOT LIMITED TO EARTHWORK, ACCESS ROAD,
ui
TOP
of DAM ELEV = 899.00 OUTLET CONTROL STRUCTURE AND APPURTENANCES, LANDSCAPING,
6' X 6' PRECAST rl AY LINE RIP PAP FI ARM FNn 1;FrTION 411 qHAl I
CONCRETE BOX BE PAID F . OR UNDER A SEPARATE PAY ITEM. 30 15 30 60 90 <
TOP ELEV. = 897.50 4**
L—mm--imL
4"x4"x4" E® TOP CAPPED 6"X36" OPENING 1/4-/FOCT GRAPHIC SCALP-' I I C�l FEET
OPENING ELEV. 894.00 WEIR ELEV =
I, r-896.00 (1 SIDE)
/ -,---EROSION CONTROL PROVIDE STEPS ON
-v MATTING ON BACKSLOPE OF DAM OUTSIDE OF STRUCTURE
-k DAM NORTH AMERICAN GIREEN 5150
STARTING
(OR EQUAL) AT PERMANENT POND—
TO TOP (16- O.C.)
EXISTING
PERMANENT POOL ELEV-=-895.00 ----- ---------- -y 19 GRADE SEE PLAN VIEW FOR LOCATION
----1
12" INLET WVTRASH RACK INV. = 891.00 — INV. = 895.001
C
(FOR OOL DRAINING MAINTANENCE�
VALVE V REMAIN SHU
KEYWAY DEPTH VARIES
2' TO 20' FIELD VERIFY
72" x 72"
ANTI-SEEP COLLAR
KEYWAY
SECTION @ OUTLET CONTROL STRUCTURE
NOTES
1. BOTTOM OF POND SHALL BE SCARIFIED TO
A DEPTH
• AT LEAST 18 DEEP AND RECOMPACTED
TO 95%
OF STANDARD PROCTOR
2. CONTRACTOR SHALL POST A CONSPICUOUS
SIGN
I
STATING WHO IS RESPONSIBLE FOR THE REQUIRED
MAINTENANCE AND ANNUAL INSPECTION OF
THE WET
DETENTION POND.
z
9 w
3. WET DETENTION PONDS USED AS SEDIVINT
BASINS
DURING THE CONSTRUCTION PERIOD SH,;LL
BE FULLY
CLE-ANED OUT PRIOR TO USE AS A STORM
WATER
Mu i I =JcKcL PpnpnqFn ('ZPAnF'-
72" SQUARE
PRECAST BOX----,-,
1/2- VALVE STEM
w/ T— AR HANDLE
PERM. POOL ELEV. 895.00
CAST I n s BCJ
TO GRAD
—14 UMN LNU
IN BOTTOM OF TEE C14
NO. DATE BY
12'
L0
C)
(14
w
0
-j
m w
w w
—
> 5;
Z
:D
0
W j
W w
I
X
Lu
0
)
w
2 m
z
0
z
9 w
F—
z co I
cl) C)
w
cn Z
w 0
w (0
(Q
36" HDPE
U)
PLAN VIEW of OUTLET STRUCTURE
NOT TO SC&F
REV SION DESCRIPTION
•

f l '-,Z
PROS rp 4k
TO P,4­06T: 890.82
O 901.2 9QO k��-
INV IN: 898.00 5r
"100
IN V OUT: 893.97
51 LF 42" RCP

i o v as as a ar saes. a®e� P
�J
71 LF 36" RCP
PROPOSED JB #22
STORKI -6
2.0
INV IN: 874.56
i�
INV UT: 874.36
a
36LF3"RCP
PROPOSED FES #21
STORM-6
!
OR: 1.
INV IN: 874.00
z
PROPOSED
DOUBLE Cl #4
STORM-1
: 883.28
INV IN: 876,55
INV IN: 677.35
INV OUT: 876.05
®'

! 1.01 / `\_rya cAKI MATUD C%AJA6 C° Tn DC