WQ0037346_Variance Request_20190724

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•LINDA CULPEPPER NORTH CAROLINA
Director Environmental Quality
July 24, 2019
Ed Kerwin, Executive Director
Orange Water and Sewer Authority
400 Jones Ferry Road
Carrboro, NC 27510
Subject: Variance Request Approval
Orange Water and Sewer Authority
Little Creek Interceptor Replacement (WQ0037346)
Orange County
Dear Mr. Kerwin:
The Division of Water Resources (Division) has reviewed the submitted variance request
received on July 11, 2019 for the subject project. The Division will grant the variance request
for the installation of gravity sewer below the minimum required slope in accordance with the
provisions for alternative design under 15A NCAC 02T.0105(n):
1. Pursuant to the variance request received July 11, 2019 from Rummel, Klepper, and
Kahl, LLP on behalf of Orange Water and Sewer Authority, a variance is granted for the
construction and operation of approximately 329 linear feet of 16-inch gravity sewer
between Manholes MH 1 to MH 2 at a slope of 0.10%, 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 permittee or its representative at
least once every six-months in accordance with the permittee's individual
system-wide collection system permit (WQCS00031).
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.
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
�DE�.�_ North Carolina Department of Environmental Quality I Division of Water Resources
v�JJ� 512 North Salisbury Street 11617 Mail Service Center I Raleigh,North Carolina 27699-1617
NORTH CAROLINA
oep„manawaAua 919.707.9000

Orange Water and Sewer Authority
July 24,2019
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 Christyn Fertenbaugh, P.E. at 919-707-3625 or via
email at [e-mail].
Sincerely,
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for Linda Culpepper
Director, Division of Water Resources
by Deborah Gore, PERCS Supervisor
Division of Water Resources, NCDEQ
cc: Howard T. Woodall, Ill, P.E., Rummel, Klepper& Kahl, LLP ([e-mail])
Raleigh Regional Office, Water Quality Section Regional Operations (electronic)
Water Quality Central Files—WQ0037346
PERCS Files (electronic copy)