HomeMy WebLinkAboutNC0027103_Authorization to Construct_19930521State of North Carolina
Department of Environment,
Health and Natural Resources
✓ Division of Environmental Management
James B. Hunt, Jr., Governor
Jonathan B. Howes, Secretary
A. Preston Howard, Jr., P.E., Director
May 21, 1993
Mr. McDuffie Cummings, Town Manager
Town of Pembroke
P. O. Box 866
Pembroke, North Carolina 28372
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CDEHNR
SUBJECT: Town of Pembroke
Permit No. NC0027103
Authorization to Construct
Wastewater Treatment
Facilities
Robeson County
Dear Mr. Mr. Ciris ngs :
The final plans and specifications for the subject project have been
reviewed and found to be satisfactory.
Authorization is hereby granted for the construction and operation of
additions and modifications to the existing 0.82 MGD conventional activated
sludge wastewater treatment facility with an increase in capacity to 1.33
MGD and a change to an extended aeration wastewater treatment plant to
consist of a 1.33 MGD influent pump station with three (3) 1,200 gpm pumps,
a mechanical bar screen with a manual bypass screen, an aerated grit and
grease removal unit, an influent Parshall flume with ultrasonic flow
measurement, dual oxidation ditches with two (2) 50 Hp rotors or one (1)
60/45 Hp two -speed aerator per basin, dual 50 ft. diameter secondary
clarifiers with polymer feed system, a return sludge pump station with three
(3) 10 Hp, 600 gpm pumps, a chlorine contact basin with sulfur dioxide
dechlorination, cascade post aeration, refrigerated effluent sampling,
conversion of the existing aeration basin and clarifier to an aerated sludge
digester with dual 50 Hp surface aerators and a sludge holding tank
respectively, a rotary sludge thickener, a truck sludge loading station,
approximately 235 linear feet of 18-inch effluent line, a 1475 square foot
laboratory and office building and associated appurtenances, site work, yard
piping, instrumentation, and electrical work, including a standby generator.
P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone 919-733-7015 FAX 919-733-2496
An Equal Opportunity Affirmative Action Employer 50% recycled/ 10% post -consumer paper
The Permittee shall employ an actively State certified wastewater
treatment plant operator to be in responsible charge of the wastewater
treatment facilities. Such operator must hold a valid State Certificate of
the grade at least equivalent to the classification assigned to the
wastewater treatment facilities by the Certification Commission. When a new
chief operator must be obtained to be in responsible charge of the new
facilities, it is required that this be done by the time the construction of
the facilities is 50% complete.
The Authorization -to -Construct is issued in accordance with Part III,
Paragraph B of NPDES Permit No. NC0027103, issued August 28, 1992 and
shall be subject to revocation unless the wastewater treatment facilities
are constructed in accordance with the approved plans, specifications, and
supporting documents; and are in compliance with the conditions and
limitations specified in Permit No. NC0027103.
The Permittee shall have an acceptable sludge analysis and a
sludge toxicity analysis which have been approved by the Division of
Environmental Management, Water Quality Section prior to the disposal
of any sludge from the new wastewater treatment plant. Copies of the
analyses, supporting documents, and approvals shall be submitted to the
Division of Environmental Management's Fayetteville Regional Office.
The disposing, selling or free distribution of wet, dried,
composted sludge or sludge -like materials from wastewater facilities
without prior review and approval by this Division is illegal.
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.
One (1) set of final approved plans and specifications is to be
forwarded to you for your files. The copy of the approved plans and
specifications shall be maintained on file by the Owner for the life of
the project.
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 approved plans and specifications.
Mail the Certification to the Permits and Engineering Unit, P. O. Box
29535, Raleigh, North Carolina 27626-0535. (Engineer's Certification
Form is attached.)
If you have any questions or need additional information, please
contact Mr. Bill Hoffman, at (919) 733-6900, extension 615.
Attachment
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cc: Hobbs, Upchurch & Associates
Mr. Don Safrit
Fayetteville Regional Office
Mr. Tom Fahnestock
Mr. Joseph E. Martin, Jr.
Mr. Don Evans
Ms. Valerie Lancaster
Mr. Bennie Goetze, Jr.
Ms. Cindy Finan
DMU -j,3/11,1/4
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