WQ0042501_Variance Request Approval_20221021

DocuSign Envelope ID:30C22255-9E91-4E5D-B61C-0A385F833A02
ROY COOPER P,s li���� x w
Governor a`� ;4,. �i t S.
ELIZABETH S.BISER •it q".� ,
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Secretary .
RICHARD E.ROGERS,JR. NORTH CAROLINA
Director Environmental Quality
October 21, 2022
Jeff Theberge, P.E., Engineering Manager
Cape Fear Public Utility Authority
235 Government Center Drive
Wilmington, NC 28403
Subject: Variance Request Approval
Cape Fear Public Utility Authority
Wilmington Three Apartments Public Sewer (WQ0042501)
New Hanover County
Dear Mr.Theberge:
The Division of Water Resources (Division) has reviewed the submitted variance request
received on August 10, 2022 for the subject project. The Division will grant the variance
request for the use of one interference box, as indicated on the provided plans; subject to the
following requirements in accordance with the provisions for alternative design under 15A
NCAC 02T.0105(n):
1. Pursuant to the variance request received from Paramounte Engineering, Inc. on behalf
of Cape Fear Public Utility Authority, a variance is granted for the operation of
approximately 40 linear feet of 8-inch gravity sewer within an interference box at STA
10+20 on Breezewood Drive.
2. Gravity sewer lines suspended through conflict/interference boxes to resolve
intersections with storm drains shall be constructed of ductile iron pipe with mechanical
joints, utilizing the materials,testing methods, and acceptability standards meeting water
main standards, in accordance with 15A NCAC 02T.0305(g). These lines shall be
designated as high-priority sewers, subject to the conditions as outlined below:
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 permittee or its representative at
least once every six-months in accordance with the permittee's individual
system-wide collection system permit (WQCS00012).
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
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DocuSign Envelope ID:30C22255-9E91-4E5D-B61C-0A385F833A02
immediate corrective action, including those as may be required by this Division,such as the
construction of additional or replacement facilities.
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
Charlie.Miller(@,ncdenr.gov.
Sincerely,
DocuSigned by:
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C464531431644FE...
for Richard E. Rogers,Jr.
Director,Division of Water Resources
by Michael Montebello
NPDES Branch Chief,Division of Water Resources,DEQ
CC: Daniel Fisk, P.E.,Paramounte Engineering, Inc. ([e-mail])
Wilmington Regional Office,Water Quality Regional Operations
Municipal Permitting Unit(electronic copy)
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