HomeMy WebLinkAboutNC0063029_authorization to construct_19880420State of North Carolina
Department of Natural Resources and Community Development
Division of Environmental Management
512 North Salisbury Street • Raleigh, North Carolina 27611
James G. Martin, Governor April 20, 1988
S. Thomas Rhodes, Secretary
Mr. J. R. Bailey
Environmental Quality Branch Utilities
U.S. Marine Corp.
Atlantic Division Naval Facilities
Norfolk, VA 23511
Dear Mr. Bailey:
R. Paul Wilms
Director
SUBJECT: Permit No. NC0063029
Authorization to Construct
U.S. Marine Corporation -Camp Lejeune
Hadnot Point Sewage Treatment Plant
Onslow County
A letter of request for an Authorization to Construct was received January 12,
1988, 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 additions to a 8.0 MGD wastewater treatment facility
consisting of a diversion tank, 1,400 linear feet of 30-inch gravity sewer, a 1.9
million gallon equalization lagoon with five (5) floating 15 HP aerators, a 5.76 MGD
grit chamber, upgrading of existing pump station to 8 MGD capacity and
approximately 1,400 linear feet of 24-inch force main and alternate power source.
This Authorization to Construct is issued in accordance with Part III paragraph
B of the NPDES Permit No. NC0063029 issued January 30, 1987, and shall be subject
to revocation unless the wastewater treatment facilities are constructed in
accordance with the conditions and limitations specified in Permit No. NC0063029.
The Permittee must employ a certified wastewater operator in accordance with
Part III paragraph C of the referenced permit.
The sludge generated from these treatment facilities must be disposed of in
accordance with G.S. 143-215.1 and in a manner approvable by the North Carolina
Division of Environmental Management.
In event the facilities fail to perform satisfactorily in meeting its NPDES
permit effluent limits, the permittee shall take such immediate corrective action as
may be required by this Division, including the construction of additional
wastewater treatment and disposal facilities.
Continued on next page . .
Pollution Prevention Pays
P.O. Box 27687, Raleigh, North Carolina 27611-7687 Telephone 919-733-7015
The Permi.ttee shall provide for the pump station and force main the following
items:
a. Pump-on/pump-off elevations located so that 2-8 pumping cycles may be
achieved per hour in the pump station.
b. An air relief valve located at all high points along the force main.
c. A screened vent for the wet well.
d. Fillets located in the wet well at the intersection of the flooring and
sidewalls.
e. Three (3) feet of cover (minimum) over the force main or the use of
ferrous material where three (3) feet cannot be maintained.
f. Sufficient devices which will protect the pump station from vandals.
g•
Flood protection if the pump station is located below the 100-year flood
elevation.
Any monitoring deemed necessary by the Division of Environmental Management to
insure surface and ground water protection will be established and an acceptable
sampling reporting schedule shall be followed.
The interior surfaces of the lagoon must be lined with a 36-mil thick hypalon
liner as specified.
Following installation and inspection of the lagoon liner, and prior to the
start of waste disposal operations, verification of the liner's compliance with
approved specifications and the liner integrity must be provided to the Groundwater
Section, North Carolina Division of Environmental Management, P.O. Box 27687,
Raleigh, N.C. 27611.
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 27687, Raleigh, N.C. 27611-7687.
Construction of these improvements shall be so scheduled so as not to interrupt
service by the existing utilities nor result in an overflow or bypass discharge of
wastewater to the surface waters of the State.
One (1) set of approved plans and specifications is being forwarded to you. If
you have any questions or need additional information, please contact Mrs. Babette
McKemie, telephone number 919/733-5083, ext. 177.
Sincerely,
Paul Wilms
cc Onslow County Health Department
Wilmington Regional Supervisor
Mr. Dennis R. Ramsey
Bill Reid -Groundwater Section
John Campbell
Engineer's Certification
I , as a duly registered Professional Engineer in
the State of North Carolina, hereby certify that construction of these permitted
facilities has been completed in accordance with the approved plans and
specifications.
Signature Registration Number
Date
NC0063029