WQCSD0134_Variance Request Approval_20221011

DocuSign Envelope ID:E6E44322-80DF-4C5B-AA15-24441 C0B961 B
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Governor V:� ! '- r a
ELIZABETH S.BISER ' ;i- .,,_. ,:
Secretory %, c' " ,S4;
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RICHARD E.ROGERS,JR. NORTH CAROLINA
Director Environmental Quality
October 10,2022
Allen Smith, Public Works Director
Town of Carthage
4396 Highway 15-501
Carthage,NC 28327
Subject: Variance Request Approval
Town of Carthage
Pinecrest Street Water and Sewer
Moore County
Dear Mr. Smith:
The Division of Water Resources (Division)has reviewed the submitted variance request
received on July 14, 2022 for the subject project. The Division will grant the variance request
for the use of alternate pipe materials for sewer systems with less than 36-inches of cover from
final earth grade in accordance with the provisions for alternative design under 15A NCAC
02T.0105(n):
1. Pursuant to the variance request received July 14, 2022 from LKC Engineering,PLLC on
behalf of the Town of Carthage, a variance is granted for the installation and operation of
approximately 25 linear feet of 8-inch aerial gravity sewer between Manhole#1 (STA
0+40.00) and Manhole#2 (STA 0+80.00)with a 16-inch diameter steel casing pipe, as
indicated on the provided plans, specifications, and supporting documents, and subject to
the following requirements:
a. The section of gravity sewer as described above shall be designated as"high-
priority sewer" in accordance with 15A NCAC 02T.0402.
b. High-priority sewers shall be inspected by the pennittee or its representative at
least once every six-months in accordance with the permittee's individual system-
wide collection system permit(WQCSD0134).
c. The 8-inch gravity sewer shall be made of C900 PVC pipe.
d. The 16-inch steel casing pipe shall be made of steel with a minimum yield
strength of 35,000 psi and with a minimum wall thickness of 0.25-inches.
Regardless of the variance approval, in the event that the wastewater collection facilities fail to
perform satisfactorily, including the creation of nuisance conditions,the Permittee shall take
immediate corrective action, including those as may be required by this Division, such as the
construction of additional or replacement facilities. •
Nn Environmental Quality I Division of Water Resources
S 12 NorthorthCarolina SalisbuDepartmery Streett 1 of1611 Mail Sernce Center ID
Raleigh.North Carolina 27699-1611
NOW/10,000Na -4..
D pr ee DiF>ho-o ms aw\ 919.707.9000

DocuSign Envelope ID:E6E44322-80DF-4C5B-AA15-24441C0B961B
All other elements of this project shall be constructed in accordance with all applicable rules and
statues including, 15A NCAC 2T;the Division of Water Resources' (Division) Gravity Sewer
Minimum Design Criteria adopted February 12, 1996 as applicable; and the Division's Minimum
Design Criteria for the Fast-Track Permitting of Pump Stations and Force Mains adopted June 1,
2000 as applicable. Approval of the variance request does not constitute approval of the permit.
If you have any questions,please contact Charlie Miller,P.E. at(919)707-3627 or by email at
[e-mail].
Sincerely,
/—�a,Do'c'u.Siignedbyy:p�'• I,,.I+`
IVU (`'WE�Nuo( ib
or is iara t.Rogers, Jr.
Director, Division of Water Resources
by Michael Montebello
NPDES Section Chief, Division of Water Resources,DEQ
CC: Mark Lacy,P.E., LKC Engineering, PLLC ([e-mail])
Fayetteville Regional Office, Water Quality Regional Operations
Municipal Permitting Unit(electronic copy)
•
•
North Carolina Department of Environmental Quality I Dtvtston of Water Resources
512 North Salisbury Street 11611 Mail Service Center I Raleioho.
h Noah Caroline 27699-1611
NORM CAROLINA 919 707 9000
Department at EnHrmroetal tbaah�