HomeMy WebLinkAboutWQ0045455_More Information (Received)_20240715 v MCKIM&CREED ENGINEERS
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July 15,2024 M&C 05367-0070 (40)
Jordan Cocanower
127 Cardinal Drive Extension
Wilmington,NC 28405
RE: Cape Fear Public Utility Authority
Northern New Hanover County Water and Sewer Main Project
Fast Track Sewer Permit Application
Dear Mr. Cocanower,
On behalf of Cape Fear Public Utility Authority, we are pleased to submit this
Official Response Letter upon reviewing the NCDEQ comments provided
07/02/2024. Please find responses in italics as follows:
1. Written justification for a dry line extension (this may be covered in the
narrative already,but it needs to be detailed as to exactly why the sewer
is being built preliminarily).
The proposed project is a County funded project. The intent of this project is to
provide water and sewer service to currently unserved areas in the northern
portion of the County. There are currently developments planned for
construction along Holly Shelter Road which will require sewer utility service
including an industrial park which is planned to connect to the proposed force
main shortly after completion and activation of the proposed force main. The area
along Holly Shelter Road is poised for residential development as well, which has
been detailed in a master planning evaluation that was conducted to determine
appropriate pipeline sizes within the northern New Hanover County area. This
planning document was developed based on County Planning Department staff
insight and master planning documents to determine the projected wastewater
flows that are anticipated along Holly Shelter Road.
243 North Front Street
Wilmington, NC 28401 2. Information regarding when the extension/permit mod to incorporate
flow is expected to be made, including what the expected design flow
will be.
91 0.343.1 048
cc: Jeff Theberge,Engineering Manager,CFPUA
Fax 910.251 .8282 Sean Kenyon,Project Manager,McKim&Creed
www.mckimcreed.cam
The extensionlpermit modification is anticipated to be made within six (6)
months after the new pipeline is installed. The anticipated max buildout
wastewater flow of the industrial park is 650,000 GPD.
3. Details as to how the permittee will ensure that no one ties onto this line
without a permit as well as how it will be valved off from the system to
prevent any introduction of wastewater.
The permittee, Cape Fear Public Utility Authority (CFPUA), owns and operates
the wastewater system in northern New Hanover County and is responsible for
approving plans and signing off on permits to then be approved by NCDEQ.
Customers will not be permitted to tie into the dry sewer line without CFPUA
approval and NCDEQ permit approval, per their standard contract documents
and technical specifications.
The proposed sewer force main includes several valves along the alignment. The
valve closest to the discharge gravity sewer manhole will be closed to prevent any
introduction of wastewater to the system until such time that a permit
extensionlmodification has been approved.
4. A copy of the design plans showing the dry line and its relationship to
any other sewers, as well as any valves/plugs per the comment above.
See attached for the design plans showing the dry line and its relationship to any
other sewers as well as the proposed valves along the alignment.
Please let me know if you have questions or would like to discuss. Thanks for
your assistance with this project.
Sincerely,
McKIM&CREED, INC.
Katie Elliott, PE
Project Engineer
I:\05367\0070\ENG\40-Permit\FTS\2024.06.17 NCDEQ Resubmittal