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HomeMy WebLinkAboutSW8070708_COMPLIANCE_20100610STORMWATER DIVISION CODING SHEET POST -CONSTRUCTION PERMITS PERMIT NO. SW8 D7 D7t723 DOC TYPE ❑ CURRENT PERMIT ❑ APPROVED PLANS ❑ HISTORICAL FILE 0- COMPLIANCE EVALUATION INSPECTION DOC DATE OD+o YYYYM M D D M =111 LITTLEJOHN ENGINEERING ASSOCIATES m� June 8, 2010 Ms. Georgette Scott North Carolina Department of Environment and Natural Resources Division of Water Quality Stormwater Supervisor Wilmington Regional Office 127 Cardinal Drive Extension Wilmington, NC 28405 RE: Stormwater Designer's Certifications Camp Lejeune, North Carolina LEA Project No. 2423S Dear Ms. Scott: Construction has been completed at the projects listed below at Camp Lejeune. - Watkins Village: Permit No. SW8 060323 - Knox Cove: Permit No. SW8 070708 - Tarawa Terrace I1: Permit No. SW8 051018 Modification Please find attached Designer's Certification forms for each of these projects. JUN 10 2010 Note that at the Tarawa Terrace 11 project location, only the Tarawa Boulevard Pond is being certified at this time as the other ponds have not yet been completed and are under construction. Please contact me should you have any questions or require any additional information. Sincerely, LITTLEJOHN ENGINEERING ASSOCIATES, INC. Derek Baalbergen, P.E. 1935 21STAVENUE SOUTH, NASHVILLE.TENNESSEE 37212 T 615.385.4144 F 615.385.4020 Nashviile I Chattanooga � Decatur ITri-Cities www.leainc.com Engineering Planning Landscape Architecture Land Surveying Environmental Services Health and Safety JI✓L-17-2007 TUE 09:00 AM NCDENR FAX N0, 9103502004 P. 07/16 State Stormwater Management Systems Permit No. SW8 070708 Knox Cove Stormwater Permit No. SW8 070708 Onslow County Designer's Certification I, i o T. 94-,;s , as a duly registered �r ,'., e— in the State of North Carolina, having been authorized to observe periodicallylyl fy khire) the construction of the project, (Project) for &14'�"C- G-- ..;ihe (Project Owner) hereby state that, to the best of my abilities, due care and diligence was used in the observation of the project construction such that the construction was observed to be built within substantial compliance and intent of the approved plans and specifications. The checklist of items on page 2 of this form is included in the Certification. Noted deviations from approved plans and specification: SEAL Signature \�����H ►Cad p �/i� Registration Number 3 1 ii 44 `.�pQ: •FES3/ • ��,,% Date _ 6 — $ — 1 o l 31 44 :may �NGINE`���5 .� \. o� Si i i JUN 10 MO Page 6of7 JUL-17-2007 TUE 09:00 AM NCDENR FAX NO, 9103502004 P. 08/1S Certification Requirements: State Stormwater Management Systems Permit No. 5W8 070708 ✓ 1. The drainage area to the system contains approximately the permitted acreage. ✓ 2. The drainage area to the system contains no more than the permitted amount of built -upon area. 3. All the built -upon area associated with the project is graded such that the runoff drains to the system. 4. All roof drains are located such that the runoff is directed into the system. 5. The outlet/bypass structure elevations are per the approved plan. 6. The outlet structure is located per the approved plans. ✓ 7. Trash rack is provided on the outletlbypass structure. 8. All slopes are grassed with permanent vegetation. . 9. Vegetated slopes are no steeper than 3:1. ✓ 10. The inlets are located per the approved plans and do not cause short- circuiting of the system. 11. The permitted amounts of surface area and/or volume have been provided. 12, Required drawdown devices are correctly sized per the approved plans. 13. All required design depths are provided. 14. All required parts of the system are provided, such as a vegetated shelf, and a forebay. �15. The required system dimensions are provided per the approved plans. cc: NCDFNR-DWQ Regional Office Onslow County Building Inspections Page 7 of 7