NC0021474_Correspondence_20240319

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March 15, 2024
Ori Tuvia
Mooresville Regional Office — Water Quality Permitting Section
NC Division of Water Resources
610 E. Center Avenue, Suite 301
Mooresville, North Carolina 28115
ori.tuvia(aD_deq.nc.gov
RE: DWI Project No. SRP-W-ARP-0177
Additional Information
Water Resource Recovery Facility Expansion
City of Mebane, North Carolina
Dear Ori Tuvia:
Shaping Communities Together
Sent by Email
As previously communicated, after the first round of comments, the City of Mebane decided to
change the proposed disinfection system from sodium hypochlorite with chlorine contact basins
to a UV system. As a result of this change, the Non -Potable Water system, the sodium
hypochlorite system, and the sodium bisulfite system are also being removed from the project.
Enclosed for your review are the following documents:
• Application for Authorization to Construct Permit — amended language in blue
• Project Plans
• Selected Project Specifications, including:
0 462157 Element Screen & Washer Compactor
0 466656 Open Channel Ultraviolet Treatment Equipment
• Design Calculations — New Sections as listed:
0 3.2.2 Headworks — Element Screen
0 3.6.1 Ultraviolet Disinfection
Should you have any questions or need any additional information please feel free to call our
office at 828-328-2024.
Sincerely,
MCGILL ASSOCIATES, P.A.
/Y UV
JOEL WHITFORD PE
Senior Project Manager
Enclosures: As Noted
Cc: Julia Byrd, Division of Water Infrastructure
John Dodson, Water Resources Director (via email)
David Honeycutt, McGill (via email)
MCGILL ASSOCIATES 1240 19" STREET LANE NON. HICKORY. NC 28601 / 828.328.2024 / P.ICGILLASSOCIATES COM