NC0081621_Authorization to Construct_20110301

L
(, 6 � 4
\'Water and Sewer ALithkority ol' C ibaarrus County D, � a
Muddy Creek WWTP Exp.anSi )II 3
A To C' No. 081621 A 0 1
lssraed June 12, 2009
Engineer's Cet- ification
jr4m 15.5 1 s Lh;cpd.�� as a rlEilv re!-TPoert'ci Pr•riFevtiinrja! Fnc,tneE>r in
the State of Not-th Carolina, having teen authorized to observe (periodieatl_viweeklylfull time)
the construction of the modifications and improvements to tho Muddy Creek WWP, located on
14655 HoPeNvell Church Road. Midland in Cabarrlis County f*or the WACI- MR[ SC%ver Authority
ol' Caab ai7'LFs f:'Oatnty, hereby state. that, to the best of stay abilities, due care and diligence v.as used
in the Observation of the folloxvitia coils trlaction:
A new mechanical bar screen ratted at 0.75 MGD peak flow with manual bypass bar
screen; a iiew 1O1,800 gallon aerated equalization basin with dual 2.60 gprn equalization
pumps and dual 450 cfm blowers; a new 0.075 MGD package WW'TP consisting of a
15.000 gallon aerated surge (EQ) tank, dual 37,500 gallon aeration basins, a 25,60o
gallon aerobic digester. a 10,000 gallon sludge Bolding basin, and two (2:) 250 CFM
blowers. dual 12-foot diameter, 9.5Tfoot side water depth clarifiers, with dual 67 gpm
RAS/WAS pumps; replacement of the existing gravity sand filters with new dual cloth
disk filters rated at 0.375 MGD peak flow; a sludge transfer station; a 150 kW backup
orrierg,ency generator- and associated site work, electrical work, SCADA controls and
yard piping, in confonnity 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 aabove referenced pro iect was observed to be Mill( within
substantiaal compliance and intent of the aipproved plans and specifications.
We understand that the new liniils associated wiih (he modifications to expand to 0.150 MGD
now apply.
Siynsiture RclTtstratiata No.
Date I 1 19 2 b o
Send lo: ConStructior. Grams & Loans
DE>' RA)W Q
1633 J\9ail Service Center
Raleigh, NC 27699-1633

46,
4 e-*"� McKIM& CREED
8020 Tower Point Drive
Charlotte, NC 28227
704.841.2588
Fax [phone]
www.mckimcreed.com
February 28, 2011
Construction Grants & Loans
DENR/DWQ
1633 Mail Service Center
Raleigh, NC 27699-1633
E N G I N E E R S
S U R V E Y O R S
P L A N N E R S
02000.0014(10)
RE: Water and Sewer Authority of Cabarrus County's Muddy Creek WWTP
Expansion Project
Permit Number NCO081621
Engineer's Certification
To Whom It May Concern,
Please find the enclosed documents for your information and review. The documents are
the Engineer's Certification for the Water and Sewer Authority of Cabarrus County"s
Muddy Creek WWTP Expansion Project, Permit Number NC0081621. Uncertain of the
correct Engineer's Certification to submit, I have included the original certification from
the Authorization to Construct permit dated June 12, 2009 and the certification for
Compliance with North Carolina General Statute 133-3. Please review the certifications
and if all is in order, issue Final Approval for the project.
I apologize for the delay of the certification. Per UPS Tracking Information, the original
certification submittal was delivered to the Mail Service Center at 3905 Reedy Creek
Road on November 24, 2010.
If you have any questions, please do not hesitate to call me at 704-841-2588.
Very truly yours,
McKIM & CREED, PA
James T. Lyon, PE, LEU AP
Project Engineer
Enclosures
Pc: Mr. Mark Lomax, WSACC
Files
j
4 1 2011
40MTRUCTION GRO
CTM

NCDENR
North Carolina Department of Environment and Natural Resources
Beverly Eaves Perdue
Governor
Division of Water Quality
Coleen H. Sullins
Director
June 12, 2009
Mr. Chad VonCannon
Water and Sewer Authority of Cabarrus County
232 Davidson Hwy
Concord, North Carolina 28027
SUBJECT:
Dear Mr. VonCannon:
Dee Freeman
Secretary
Authorization to Construct
A to C No. 081.621 A01
Water and Sewer Authority of Cabarrus County
Muddy Creek WWTP Expansion
Cabarrus County
A letter of request for an Authorization to Construct was received December 3, 2008, by
the Division of Water Quality (Division), and final plans and specifications for the subject
project have been reviewed and found to be satisfactory. Authorization is hereby granted for the
construction of modifications to the existing 0.075 MGD Wastewater Treatment Plant, with
discharge of treated wastewater into the Rocky River in the Yadkin -Pee Dee River Basin.
This authorization results in an increase in design and permitted capacity to 0.150 MGD,
and is awarded for the construction of the following specific modifications:
A new mechanical bar screen rated at 0.75 MGD peak flow with manual bypass
bar screen; a new 101,800 gallon aerated equalization basin with dual 260 gpm
equalization pumps and dual 450 cfm blowers; a new 0.075 MGD package
WWTP consisting of a 15,000 gallon aerated surge (EQ) tank, dual 37,500 gallon
aeration basins, a 25,000 gallon aerobic digester, a 10,000 gallon sludge holding
basin, and two (2) 250 CFM blowers; dual 12-foot diameter, 9.5-foot side water
depth clarifiers, with dual 67 gpm RASIWAS pumps; replacement of the existing
gravity sand filters with new dual cloth disk filters rated at 0.375 MGD peak flow;
a sludge transfer station; a 150 kW backup emergency generator; and associated
site work, electrical work, SCADA controls and yard piping, in conformity with
the project plans, specifications, and other supporting data subsequently filed and
approved by the Department of Environment and Natural Resources.
This Authorization to Construct is issued in accordance with Part III, Paragraph A of
NPDES Permit No. NCO081621 issued October 28,2008, and shall be subject to revocation
1617 Mail Service Center, Raleigh, North Carolina 27699-1617 One 1
Location: 512 N. Salisbury St. Raleigh, North Carolina 27604 NorthCaroli na
Phone: [phone] \ FAX: [phone] \ Customer Service: 1-877-623-6748
Internet: www.ncwaterquality.org Alatittrally
An Equal Opportunity \ Affirmative Action Employer

Mr. Chad VonCannon
June 125 2009
Page'?
unless the wastewater treatment facilities are constructed in accordance with the conditions and
limitations specified in Permit No. NC0081621.
The sludge generated from these treatment facilities must be disposed of in accordance
with G.S. 143-215.1 and in a manner approved by the Division.
In the event that the facilities fail to perform satisfactorily, including the creation of
nuisance conditions, the Permittee shall take immediate corrective action, including those as may
be required by the Division, such as the construction of additional or replacement wastewater
treatment or disposal facilities.
The Mooresville Regional Office, telephone number (704) 663 -1699, shall be notified at
least forty-eight (48) hours in advance of operation of the installed facilities so that an on site
inspection can be made. Such notification to the regional supervisor shall be made during the
normal office hours from 8:00 a.m. until 5:00 p.m. on Monday through Friday, excluding State
Holidays.
Upon completion of construction and prior to operation of this permitted facility, a
certification must be received from a professional engineer certifying that the permitted facility
has been installed in accordance with the NPDES Permit, this Authorization to Construct and the
approved plans and specifications. Mail the Certification to: Construction Grants & Loans,
DWQ/DENR, 1633 Mail Service Center, Raleigh, NC 27699-1633.
Upon classification of the facility by the Certification Commission, the Permittee shall
employ a certified wastewater treatment plant operator to be in responsible charge (ORC) of the
wastewater treatment facilities. The operator must hold a certificate of the type and grade at
least equivalent to or greater than the classification assigned to the wastewater treatment
facilities by the Certification Commission.
The Permittee must also employ a certified back-up operator of the appropriate type and
grade to comply with the conditions of T 15A:8G.0202. The ORC of the facility must visit each
Class I facility at least weekly and each Class I1, III and IV facility at least daily, excluding
weekends and holidays, must properly manage the facility, must document daily operation and
maintenance of the facility, and must comply with all other conditions of T 15A:8G.0202.
A copy of the approved plans and specifications shall be maintained on file by the
Permittee for the life of the facility.
During the construction of the proposed additions/modifications, the permittee shall
continue to properly maintain and operate the existing wastewater treatment facilities at all times,
and in such a manner, as necessary to comply with the effluent limits specified in the NPDES
Permit.

Mr. Chad VonCannon
June 12, 2009
Page 3
You are reminded that it is mandatory for the project to be constructed in accordance
with the North Carolina Sedimentation Pollution Control Act, and when applicable,'the North
Carolina Dam Safety Act. In addition, the specifications must clearly state what the contractor's
responsibilities shall be in complying with these Acts.
Prior to entering into any contract(s) for construction, the recipient must have obtained all
applicable permits from the State.
Failure to abide by the requirements contained in this Authorization to Construct may
subject the Permittee to an enforcement action by the Division in accordance with North
Carolina General Statute 143-215.6A to 143-215.6C.
The issuance of this Authorization to Construct does not preclude the Permittee from
complying with any and all statutes, rules, regulations, or ordinances which may be imposed by
other government agencies (local, state, and federal) which have jurisdiction.
One (1) set of approved plans and specifications is being forwarded to you. If you have
any questions or need additional information, please contact Seth Robertson, P.E. at telephone
number [phone].
Sincerely,
Coleen H. Sullins
kp:sr
cc: Keith Lane, P.E., McKim & Creed, PA, 1730 Varsity Drive, Suite 500, Raleigh, NC 27606
Cabarrus County Health Department
DWQ, Mooresville Regional Office, Surface Water Protection
DWQ, Technical Assistance and Certification Unit
DWQ, Point Source Branch, NPDES Program
Ken Pohlig, P.E.
ATC File No. 081621 AO