SW8060137_HISTORICAL FILE_20070110

STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO.
SW8
DOC TYPE
❑ CURRENT PERMIT
❑ APPROVED PLANS
�- HISTORICAL FILE
❑ COMPLIANCE EVALUATION INSPECTION
DOC DATE
YYYYM M D D

Michael F. Easley, Governor
William G. Ross Jr., Secretary
North Carolina Department of Em-ironmcnt and Natural Resources
Alan W. Klimek, P.E. Director
Division ofWater Quality
January 10, 2007
Laurence J. Readal, Commander
United States Marine Corps
1005 Michael Road
Camp Lejeune, NC 28547
DWQ FILE COPY
Subject: Approved Plan Revision
P-1149 1 BN19 Vehicle Maintenance Facility
Stormwater Project No. SW8 060137
Onslow County
Dear Cdr. Readal:
On October 13, 2006, the Wilmington Regional Office received a plan revision for Stormwater
Management Permit Number SW8 060137. The revisions include the reinforcement of the
forebay weir wall with rip rap to prevent blowouts. It has been determined that a formal permit
modification,,is'not required for the proposed changes. We are forwarding you an approved
copy of the revised plans for your files. Please replace the pond section detail on the old
approved plan sheet with the new one.
Please be aware that all terms and conditions of the permit issued on March 3, 2006,
remain in full force and effect. Please also understand that the approval of this revision to
the approved plans for the subject State Stormwater Permit is done on a case -by -case
basis. Any other changes to this project must be approved through this Office prior to
construction. The issuance of this plan revision does not preclude the permittee from
complying with all other applicable statutes, rules, regulations or ordinances which may
have jurisdiction over the proposed activity, and obtaining a permit or approval prior to
construction.
If you have any questions concerning this matter, please do not hesitate to call me at (910)
796-7335.
Sincerely,
,�2 Y7GLG�v
Linda Lewis
Environmental Engineer 11
ENBlarl: S:IWQSISTORMWATERIPERMIT1060137PR.jan07
CC' Fred Watkins, P.E., Engineering Resources Group, LLC
Linda Lewis
Wilmington Regional Office
Central Files
On
NoSthCaro[ina
North Carolina Division of Water Quality 127 Cardinal Drive Extension Wilmington, NC 28405 Phone [phone] Customer Service
Wilmington Regional Office hiterneL www.ncwaterqualily.ortt Fax [phone]
An Equal QpportunitylAflirrnative Action Employer — 50% Recycledl10% Post Consumer Paper

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Mr. Cameron Weaver
NCDENR
127 Cardinal Dr.
Wilmington, NC, 28405
EngrneeringResources Group, LLC
5265 Providence Road, Suite 202
Virginia Beach, VA 23464
Ph. [phone] Fa: [phone]
October 13, 2006
Re: Revisions to Approved BMP for:
FSRG Operations & Maintenance Facilities
P-1 149 1 BN/9 Vehicle Maintenance Facility
ERG Proj. No. 1200410.A
Dear Mr. Weaver:
We are submitting for your review and approval revised drawings for the approved BMP at the above
mentioned facility. This revision is to repair the forebay berm in the BMP, and does not change the
overall BMP design and functionality.
During construction, it has been brought to our attention that the forebay berm has been breached due
to the occurrence of several large storm events.. The attached docurnents of the plan view and the cross
section of the BMP show how we are proposing to revise the approved design to provide reinforcement
to the forebay berm by the use of geogrid fabric and riprap.
Please notify us at your earliest convenience if these revisions meet your standards so we may notify
the contractor to begin this repair work.
Sincerely,
16Fredlatkins, Jr., .E.
Vice President
[e-mail]