NC0021865_Engineers Certification_20180215

February 15, 2018
Mr Ron Berry
NCDEQ/DWR/Water Quality Programs
1617 Mail Service Center
Raleigh, NC 27699-1617
RE: Town of Chadbourn
2015 Water & Sewer Rehabilitation - Contract #1— WWTP
Partial Engineer's Certification #2
Authorization to Construct No. 021865A01
Dear Mr. Berry,
RECEIVEDIDENRIDWR
FEB S 12018
Water Resources
Permitting
Regarding the above referenced project, please find enclosed the Partial Engineer's Certification #2 for
the new submerged aeration equipment in Aeration Basin # and the three new blowers, piping and
controls at the Chadbourn WWTP as described on the approved Authorization to Construct (No.
021865A01) issued on July 22, 2016. The new aeration equipment was constructed and installed per
the approved plans and specifications.
Should you have any questions or need any additional information please feel free to contact me at
[phone] or [e-mail]
Sincerely,
LKC Engineering, PLLC
/—e;' po'z',
Logan J Parsons, E.I.
Copy: Adam P Kiker, P.E., LKC Engineering
Pat Garrell, Town of Chadbourn
Dean Hunkele, DEQ-DWR Wilmington Regional Office
LKC Engineering, PLLC, 140 Aqua Shed Court, Aberdeen, North Carolina 28315 * PH 910/420-1437 * FAX [phone]
License No P-1095

Town of Chadbourn
Chadboum WWTP
Authorization to Construct No. 021865AOI
Issued July 22, 2016
Engineer's Certification
L , as a duly registered Professional Engineer in
the State of North. Carolina, having been authorized to observe eriodicai eekly/full time)
the construction of the modifications and improvements to the Chadbourn Wastewater Treatment
Plant, located in Columbus County, hereby state that, to the best of my abilities, due care and
diligence was used in the observation of the following construction:
Installation of a new influent metering system, piping, and support instrumentation;
installation of a new headworks mechanical screen system retrofitted into an
existing influent basin, rated for a peak flow of 3.0 MGD and consisting of a
pivoting mechanical screen with automatic cleaning and wash system, vertical
conveyor with transport area and dewatering compact section, piping, and controls;
suomerged air dittuser arrays, piping, and controls; installation of three (3) new 947
SCFM at 14.7 psi blowers, piping, and controls replacement of the existing tertiary
san`U r er system with a new cloth disk filter system rated for a peals flow of 2.5
MGD (250 ft2 total filter area) and with the ability to remove a single disk and
sustain continue operation, retrofitted into the sand filter basin and consisting of two
(2) 375 GPM back wash pumps, onsite spare for filter mechanical components,
piping, and controls; removal of surplus settling basin#2 (clean out by others per
approved plan); in conformity with the project plans, specifications, and other
supporting data subsequently filed and approved by the Department of
Environmental Quality.
I certify that the construction of the above referenced project was observed to be built within
substantial compliance, intent and in conformity with all applicable regulations and statutes and
the project plans, specifications, and other supporting documentation comprising the
Authorization to Construct Permit Application package.
P--1--
Signature
Registration Na I�-�
Date
���\AIiIII �/"
Mail this Certification to: Attn: Ron Berry
— o �'� o =
Complex Permitting Unit
DEQ/DWR/Water Quality Programs
`�i`;
1617 Mail Service Center
�'���n t`►���
Raleigh, NC 27699-1617