HomeMy WebLinkAboutNC0024228_Authorization to Construct_20120411NPDES DOCUHENT SCANNING COVER SHEET
NPDES Permit: 1 NC0024228
High Point Westside WWTP
Document Type:
Permit Issuance
Wasteload Allocation
Authorization to Construct (AtC) -.
Permit Modification
Complete File - Historical
Engineering Alternatives (EAA)
Correspondence
Instream Assessment (67b)
Speculative Limits
Environmental Assessment (EA)
Document Date:
April 11, 2012
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content on the reverse side
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City of High Point
A To C No. 024228A02
Issued September 25, 2009
Engineer's Certification
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I, Charles Todd Johnson , 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 Westside WWTP, located off
NCSR 1784 in Davidson County 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:
Demolition of the abandoned (old) preliminary treatment facility, abandoned (old)
chlorine contact tank, and the existing effluent filters. Construction of a flood protection
berms along the western and eastern sides of the WWTP; effluent deep -bed filters
consisting of five (5) cells with 360 ft2 per cell, two (2) 7,000 gpm filter feed pumps, two
(2) 3,500 gpm filter feed pumps, two (2) 2,160 gpm filter backwash pumps, and two (2)
1,800 cfm air scour blowers; installation of dual UV module banks in UV Channel No. 2,
with each bank rated for 25 MGD peak flow; an effluent (and storm water) pump station
consisting of four (4) 12,500 gpm pumps; improvements to the Solids Handling Facility,
to include dual 350 gpm WAS pumps; a rotary drum thickener rated at 300 gpm feed rate
with polymer feed system and a 150 gpm thickened sludge progressive cavity pump;
associated yard piping, electrical controls and work, and site work, 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 and intent of the approved plans and specifications.
Date K = ?-m 1'2.
Send to:
Registration No. 32789
DENR/DWQ/Infrastructure Finance Section
Attn: Ken Pohlig, P.E.
1633 Mail Service Center
Raleigh, NC 27699-1633
ATA
NCDENR
North Carolina Department of Environment and Natural Resources
Division of Water Quality
Beverly Eaves Perdue Coleen H. Sullins Dee Freeman
Governor Director Secretary
September 25, 2009
Mr. Terry Houk
City of High Point
P.O. Box 230
211 S. Hamilton St.
High Point, North Carolina 27261
SUBJECT: Authorization to Construct
A to C No. 024228A02
City of High Point
Westside Wastewater Treatment Plant
Improvements — Phase 2
Davidson County
Dear Mr. Houk:
A letter of request for an Authorization to Construct was received May 13, 2009, 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 6.2 MGD Westside Wastewater Treatment Plant,
with discharge of treated wastewater into the Rich Fork Creek in the Yadkin -Pee Dee River
Basin.
This authorization results in no increase in design or permitted capacity and is awarded
for the construction of the following specific modifications:
Demolition of the abandoned (old) preliminary treatment facility, abandoned (old)
chlorine contact tank, and the existing effluent filters. Construction of a flood protection
berms along the western and eastern sides of the WWTP; effluent deep -bed filters
consisting of five (5) cells with 360 ft2 per cell, two (2) 705 gpm filter feed pumps, two
(2) 585 gpm filter feed pumps, two (2) 2,160 gpm filter backwash pumps, and two (2)
1,800 cfm air scour blowers; installation of dual UV module banks in UV Channel No. 2,
with each bank rated for 12.5 MGD peak flow; an effluent (and storm water) pump
station consisting of four (4) 12,500 gpm pumps; improvements to the Solids Handling
Facility, to include dual 350 gpm WAS pumps; a rotary drum thickener rated at 300 gpm
feed rate with polymer feed system and dual 150 gpm thickened sludge progressive
1617 Mail Service Center, Raleigh, North Carolina 27699-1617
Location: 512 N. Salisbury St. Raleigh, North Carolina 27604
Phone: 919-807-63001 FAX: 919-807-6492 l Customer Service: 1-877-623-6748
Internet: www.ncwaterquality.org
An Equal Opportunity 1 Affirmative Action Employer
Noe Carolina
Naturally
Mr. Terry Houk
September 25, 2009
Page 2
cavity pumps; associated yard piping, electrical controls and work, and site work, 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. NC0024228 issued July 10, 2009, and shall be subject to revocation unless
the wastewater treatment facilities are constructed in accordance with the conditions and
limitations specified in Permit No. NC0024228.
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 Winston-Salem Regional Office, telephone number (336) 771-5000, 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 T15A:8G.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 T15A:8G.0202.
A copy of the approved plans and specifications shall be maintained on file by the
Permittee for the life of the facility.
1
Mr. Terry Houk
September 25, 2009
Page 3
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.
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 (919) 715-6206.
'Coleen H. Sullins
kp:sr
cc: Alan Stone, P.E. — Hazen and Sawyer, 4011 WestChase Blvd., Raleigh, NC 27607
Davidson County Health Department
DWQ Winston-Salem Regional Office, Surface Water Protection
DWQ, Technical Assistance and Certification Unit
DWQ, Point Source Branch, NPDES Program
Ken Pohlig, P.E.
ATC File