NC0071242_Engineer's Certification 2014_20141117

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Carolina Water Service Inc. of NC
Riverpointe Subdivision WWTP 2..
Authorization to Construct No. 07124A03
Issued November 17, 2014
Engineer's Certification
1, Dale C. Stewart, PE , as a duly registered Professional Engineer in the State of North
Carolina, having been authorized to observe(periodically/weekly/full time)the construction of the
modifications and improvements to the Riverpointe Subdivision Wastewater Treatment Plant, located in
Mecklenburg 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 one(1)new 12.5 ft.diameter clarifier with air lift pumps for scum and sludge
transfer, piping, and controls; removal of surplus blower and installation of one (1) new
534 CFM at 6.2 PSI blower, piping, and controls; repurposing of existing 17,600 gallon
rectangular clarifier as a backup extended aeration tank with the addition .of a new
distribution box,piping, and controls; repurposing of existing 7,380 gallons sludge storage
to be incorporated as part of the existing extended aeration treatment tank, piping, and
controls;repurposing of the existing 30,720 gallon anaerobic sludge storage tank(formerly
back-up / second clarifier) as an aerobic digester/ storage tank, piping, and controls; in
conformity with the project plans, specifications, and other supporting data subsequently
filed and approved by the Department of Environment and Natural Resources.
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 s pporting documen ation comprising the Authorization to Construct Permit
Application package.
Signature /0r Registration No. 6988
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Mail this Certification to: Attn: Ron Berry 6988 • =
Complex Permitting Unit
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DENR/DWR/Water Quality Programs dq'••FNc iH���•'���;
1617 Mail Service Center ', �' C. ''''''`
Raleigh,NC 27699-1617 0.\`"