NC0024210_Authorization to Construct_20060307

imap://ceci I.madden%40dwq.denr.ncmail.net @ nplex 1 .ncmail.net: 143...
Subject: Re: High Point Eastside NC0024210
From: Susan Wilson <[e-mail]>
Date: Wed, 01 Mar 2006 08:38:51 -0500
To: "Cecil G. Madden" <[e-mail]>
CC: Gil Vinzani <[e-mail]>, "Daniel Blaisdell, P.E." <[e-mail]>,
Charles Weaver <[e-mail]>, Mike Mickey <[e-mail]>
Idekd 3 -15-zoos
Are you guys forwarding a copy of the certification here? just forward it to me or Charles Weaver and
he'll flip it to 26 MGD. thanks for letting us know.
Cecil G. Madden wrote:
Hello Susan or Gil,
I just received an engineering certification for High Point Eastside. This covers the expansion to 26
MGD and is effective March 1, 2006. Would you see to it that the new limits are imptemented? The
Canoe Association is following this project closely.
Regards,
Cecil
Susan A. Wilson, P.E.
Supervisor, Western NPDES Program
(919) 733 - 5083, ext. 510
1617 Mail Service Center
Raleigh, NC 27699-1617
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City of High Point
Project No. CS370387-07
ENGINEER'S CERTIFICATION
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I, Robert S. DiFiore , 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 Eastside WWTP, located on Riverdale Road for the
City of High Point, hereby state that, to the best of my abilities, due care and diligence was used
in the observation of the following construction:
Expansion of the existing 16 MGD Eastside wastewater treatment facility to 26 MGD capacity to
consist of the following: three (3) mechanically cleaned bar screens with '/4-inch clear spaces,
one (1) manual bar screen with 2-inch clear spaces; four (4) 30-inch influent parshall flumes,
dual vortex grit collection with cyclones and grit classifiers; a preaeration tank; primary clarifier
number 5 with 115-foot diameter and a 12-foot sidewater depth; two (2) fermentation tanks, each
having a 28-foot diameter with approximately 12 feet of sidewater depth, one serves as a
thickener and the other serves as a mixing tank; a primary solids pumping station with four (4)
50 GPM pumps and one (1) 100 GPM pump; a four train five stage biological nutrient removal
process, each stage includes a 35,000 gallon anaerobic distribution channel with a mixer, a
300,700 gallon anaerobic zone with two (2) mixers, a 45,800 gallon anoxic distribution channel
with two (2) mixers, an 811,500 gallon anoxic zone with five (5) mixers, a 133,400 gallon
aerobic zone distribution channel, a 1,385,500 gallon aerobic zone, a 425,800 gallon anoxic zone
number 2 with three (3) mixers and a 175,300 gallon reaeration zone with distribution channel to
the final clarifiers; a nitrified recycle pump station with four (4) 18,040 GPM internal recycle
pumps, a blower/administration building with four (4) 6139 SCFM centrifugal blowers, two (2)
RAS pump stations each having three (3) 6200 GPM pumps; four (4) 145-foot diameter final
clarifiers, each having a 15 foot side water depth; effluent filters 5 and 6 each having 928 square
feet of surface area, and 48 inches of sand media; and modifications to existing filters 1 through
4 including: 13 inches of support gravel, 9 inches of sand and 20 inches of anthracite; backwash
recovery modifications; a new 45-foot diameter DAF thickener number 3; an addition to the
existing DAF building; chemical phosphorus removal facilities with dual bulk storage tanks and
spill containment facilities; a plant drain pump station with dual 350 GPM pumps,
instrumentation/controls, yard piping, site grading, and electrical work.
I certify that the construction of the above referenced project was observed to be built within
substantial compliance and intent of the approved plans and specifications.
Signature: Registration No.: 9463
Date: March 1, 2006
Mail this certification to: Cecil G. Madden, Jr. P.E.
Design Management Unit
Construction Grants & Loans
DENR/DWQ
1633 Mail Service Center
Raleigh, NC 27699-1633

•
NCDENR
JAMES B. HUNT JR.
GOVERNOR
BILL HOLMAN
SECRETARY
KERR T. STEVENS
DIRECTOR
NORTH CAROLINA DEPARTMENT OF
ENVIRONMENT AND NATURAL RESOURCES
July 17, 2000
Honorable Arnold Koonce, Mayor
City of High Point
Post Office Box 230
High Point, North Carolina 27261
DIVISION OF WATER QUALITY
NI JUL 2 0 2000
• L
DEER - WATER OUAUTY
POINT SOIrla LRti±N._
SUBJECT: Permit No. 0024210ACF
Authorization to Construct
City of High Point
Eastside WWTP
Project No. CS370387-07
Dear Mayor Koonce:
A letter of request for Authorization to Construct was received December 9, 1999
by the 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 16 MGD Eastside Wastewater Treatment
Plant, with discharge of treated wastewater into the Richmond Creek in the Cape Fear
River Basin.
This authorization results in an increase in design capacity to 26 MGD; however,
the permitted capacity will not be increased until the new effluent outfall and standby
power are provided. Authorization is awarded for the construction of the following
specific modifications:
Three (3) mechanically cleaned bar screens with 1/4-inch clear spaces, one (1) manual
bar screen with 2-inch clear spaces; four (4) 30-inch influent parshall flumes, dual vortex
grit collection with cyclones and grit classifiers; a preaeration tank; primary clarifier
number 5 with a 115-foot diameter and a 12-foot sidewater depth; two (2) fermentation
tanks, each having a 28-foot diameter with approximately 12 feet of sidewater depth, one
serves as a thickener and the other serves as a mixing tank; a primary solids pumping
station with four (4) 50 GPM pumps and one (1) 100 GPM pump; a four train five stage
biological nutrient removal process, each stage includes a 35,000 gallon anaerobic
distribution channel with a mixer, a 300,700 gallon anaerobic zone with two (2) mixers,
a 45,800 gallon anoxic distribution channel with two (2) mixers, an 811,500 gallon
Fe lem:
FI1Z5T
f..'A L t rr.:A
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CONSTRUCTION GRANTS & LOANS SECTION
1633 MAIL SERVICE CENTER. RALEIGH. NORTH CAROLINA 27699-1633
PHONE [phone] FAX [phone]
AN EQUAL OPPORTUNITY AFFIRMATIVE ACTION EMPLOYER - SO o RECYCLEO!1O% POST -CONSUMER PAPER

City of High Point 2
Project No. CS370387-07
anoxic zone with five (5) mixers, a 133,400 gallon aerobic zone distribution channel, a 1,385,500
gallon aerobic zone, a 425,800 gallon anoxic zone number 2 with three (3) mixers and a 175,300
gallon reaeration zone with distribution channel to the final clarifiers; a nitrified recycle pump
station with four (4) 18,040 GPM intemal recycle pumps; a blower/administration building with
four (4) 6139 SCFM centrifugal blowers, two (2) RAS pump stations each having three (3) 6200
GPM pumps; four (4) 145-foot diameter final clarifiers, each having a 15 foot side water depth;
effluent filters 5 and 6 each having 928 square feet of surface area, and 48 inches of sand media;
and modifications to existing filters 1 through 4 including: 13 inches of support gravel, 9 inches
of sand and 20 inches of anthracite; backwash recovery modifications; a new 45-foot diameter
DAF thickener number 3; an addition to the existing DAF building; chemical phosphorus
removal facilities with dual bulk storage tanks and spill containment facilities; a plant drain
pump station with dual 350 GPM pumps; instrumentation/controls, yard piping, site grading, and
electrical work.
This Authorization to Construct is issued in accordance with Part III, Paragraph A of
NPDES Permit No. NC0024210 issued May 25, 2000, and shall be subject to revocation unless
the wastewater treatment facilities are constructed in accordance with the conditions and
limitations specified in Permit No. NC0024210.
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 North Carolina Division of Water Quality.
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 this Division, such as the construction of additional or replacement wastewater
treatment or disposal facilities.
The Winston-Salem Regional Office, telephone number [phone], 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 the Design Management Unit,
Construction Grants & Loans, DENR/DWQ, 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

al
City of High Point 3
Project No. CS370387-07
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 Title 15A, Chapter 8A, .0202. The ORC of the facility
must visit each Class I facility at least weekly and each Class II, 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 Title
15A, Chapter 8A, .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.
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.
The Operational Agreement between the Permittee and the Environmental Management
Commission is incorporated herein by reference and is a condition of this Permit.
Noncompliance with the terms of the Operational Agreement shall subject the Permittee to all
sanctions provided by G.S. 143-215.6 for violation of or failure to act in accordance with the
terms and conditions of this Permit.
Failure to abide by the requirements contained in this Authorization to Construct may
subject the Permittee to an enforcement action by the Division of Water Quality 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.

City of High Point 4
Project No. CS370387-07
One (1) set of approved plans and specifications is being forwarded to you. If you have
any questions or need additional information, please contact Cecil G. Madden, Jr., P.E. at
telephone number [phone].
Sincer
Kerr T. Stevens
Director
JNR/pe
cc: Stribling Boynton, City Manager
Hazen and Sawyer
Davis -Martin-Powell & Associates
Winston-Salem Regional Office, Water Quality Section
Technical Assistance and Certification Unit
Dave Goodrich, NPDES Permitting Unit
DMU
SRF