HomeMy WebLinkAboutNC0085812_NOV-2019-LV-0295 Response_20190503Department of Public Works
WaterMastewater Division
4600 Goldmine Road
Monroe, NC 28110
T. 704-289-1434
F. 704-289-7395
May 3, 2019
Mr. Corey Basinger
Regional Supervisor
NCDEQ
610 East Center Avenue, Suite 301
Mooresville NC 28115
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Dear Mr. Coasiiger
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This letter is in response to NOV-2019-LV-0295, permit flow limit exceedance at the Tallwood
WRF dated April 23, 2019.
We contracted with Am -Liner to complete the repairs discovered during the recent SSES
performed by Frazier Engineering. This task order includes 22 manhole repairs and 15 clean -
out repairs plus installation of inflow dishes. We anticipate this work beginning in the next 2-3
weeks.
We performed smoke testing in the Belk Boy Scout Camp's collection system. As a result two
defective manholes were repaired, four damaged clean -out caps replaced, and thirteen inflow
collectors were installed. We also discovered that a recently installed grease interceptor had
settled around 6" allowing direct inflow of groundwater. The Camp had the contractor correct
this issue.
We are continuing our visual inspections and plug testing around the basin during rain events.
We remain is committed to the reduction of I&I and meeting all permit limits. If you have any
questions or concerns please contact me at 704-296-4215.
Sincerely,
" IIb
Andrew Neff, PE
Water & Wastewater Division Director
Union County Public Works
Cc: Aubrey Lofton, Interim Public Works Administrator
Josh Brooks, Assistant Water & Wastewater Division Director
Bart Farmer, WRF Superintendent
Greg Morgan, Field Services Superintendent