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HomeMy WebLinkAboutSW8970526_COMPLIANCE_20030909STORMWATER DIVISION CODING SHEET POST -CONSTRUCTION PERMITS ----------------------- PERMIT NO. SW DOC TYPE ❑CURRENT PERMIT ❑ APPROVED PLANS ❑ HISTORICAL FILE IZ� COMPLIANCE EVALUATION INSPECTION DOC DATE- -3�)2 WWMMDD ■ Complete items 1, 2, and 3. Also complete item 4 if Restricted Delivery is desired. ■ Print your name and address on the reverse so that we can return the card to you. ■ Attach this card to the back of the mailpiece, or on the front if space permits. A. ygn ❑ Agent ❑ Addres e Receiv (P r ed Name) ��� ate of live D. Is delivery ddress different from item 1? If YES, enter delivery address below; ❑ Yes ❑ No 1, Article Addressed to: �L AJ E- 3. Service Type ❑ Certified Mail ❑ Express Mail ❑ Registered ❑ Return Receipt for Merchandise /L ❑ Insured Mail ❑ C.O.D. 4. Restricted Delivery? (Extra Fee) C Yes 2. Article Number 7002 2410 (Transfer from service lab „ 0006 9367 9273 PS Form 3811, August 2601 Domestic Return Receipt 1025e5-02-M-1540 UNITED STATES POSTAL SERVICE r �t�iF PM r_ • Sender: Please print XuueW_�,4ddress, State of North Carolina DENR 127 Cardinal Drive Ext. Wilmington, NC 28405 {Attn: BED' tDL ' First- 'I a es Yfl oC�`�'-fib `~ F 1N A Tic `=O RQG Michael F. Easley, Governor O COy William G. Ross Jr., Secretary i North Carolina Department of Environment and Natural Resources '< Alan W. Klimek, P.E.,Director Division of Water Quality June 9, 2003 CERTIFIED MAIL #7002 2410 0006 9367 9273 RETURN RECEIPT REQUESTED Mr. David Edwards, Vice President bluegreen Carolina Land, LLC 1899 Zion Hill Road Bolivia, NC 28422 Subject: NOTICE OF VIOLATION Winding River Maintenance Facility Stormwater Permit No. SW8 970526 Brunswick County Dear Mr. Edwards: On June 4, 2003, Wilmington Regional Office personnel performed a Compliance lnspection of the subject project, located south of the corner of Zion Hill Road and Riverhouse Road in Winding River Plantation, Brunswick County, North Carolina. The inspection was performed to determine the status of compliance with Stormwater Permit Number SW8 970526, issued to you on August 4, 1997. The project has been found in violation of Stormwater Permit Number SW8 970526, issued pursuant to the requirements of 15A NCAC 2H.1000. The violations found are: 1. Part 1.6- The following items will require a modification to the permit: a. Any revision to the approved plan, regardless of size. d. Redesign or addition to the approved amount of built -upon area. The layout and drainage of the site has been revised, built -upon area has been added and runoff from a portion of the site is bypassing the pond, all without benefit of a permit modification. N. C. Division of Water Quality 127 Cardinal Drive Extension (910) 395-3900 Customer Service MY AS �1 Wilmington Regional Office Wilmington, NC 28405 (910) 350-2004 Fax 1 800 623-7748 14CDENR r e Mr. Edwards June 9, 2003 Stormwater Permit No. SW8 970526 2. Part 11.2- The permittee shall at all times provide the operation and maintenance necessary to assure the permitted stormwater system functions at optimum efficiency. The approved operation and Maintenance Plan must be followed in its entirety and maintenance must occur at the scheduled intervals including, but not limited to: a. Semi-annual scheduled inspections. b. Sediment removal. C. Mowing and revegetation of side slopes. d. Immediate repair of eroded areas. e. Maintenance of side slopes in accordance with approved plans and specifications. f.' Access to the outlet structure must be available at all times. The pond slopes are overgrown, the pond appears to be smaller than permitted, and has not been maintained in quite some time. The outlet structure was not found due to the heavy overgrowth. 3. Part 11.5- Upon completion of construction, prior to issuance of a Certificate of Occupancy, and prior to operation of the permitted. facility, a certification must be received from an appropriate designer for the system installed, certifying that the permitted facility has been installed in accordance with this permit, the approved plans and specifications, and other supporting documentation. Any deviations from the approved plans and specifications must be noted on the Certification. The required designer's certification has not been submitted. To correct these violations you must 1. Provide a written "Plan of Action" which outlines the actions you will take to correct the violations and a time frame for'completion of those actions, on or before July 9, 2003. 2. Submit a modification to the permit to cover the changes to the site layout and drainage. 3. Provide the necessary maintenance to bring the pond into compliance, including repair of eroded areas, permanent grass stabilization, enlargement of the surface area, and access to the outlet structure. 4. Provide a means to collect the runoff from the rear of the building and direct it into the pond. 5. Submit the designer's certification. Failure to provide the "Plan of Action" by July 9, 2003, or to correct the violations by the date designated in the "Plan of Action", are considered violations of 15A NCAC 2H.1000, and may result in the initiation of enforcement action which may include recommendations for the assessment of civil penalties, pursuant to NCGS 143-215.6A. 2 w Mr. Edwards June 9, 2003 Stormwater Permit No. SW8 970526 By copy of this letter to the Brunswick County Building Inspector, this Office is requesting that the Building Inspector consider withholding building permits and Certificates of Occupancy for this project until this matter is satisfactorily resolved. If you have any questions concerning this matter, please call Linda Lewis at (910) 395-3900. Sincerely, Rick Shiver Water Quality Regional Supervisor RSSlarl: S:1WQSISTORMWATINOTICE1970526.jun03 cc: Jay Houston, P.E. Delaney Aycock, Brunswick County Building Inspections J!Jnda i:ewisD Central Office U.S. Postal Service,. CERTIFIED MAIL M RECEIPT (Domestic Mail Only; No Insurance Coverage Provided) m F °- py Postage `D ��¢ 0 Certified Fee Q Return Reciopt Fee Q (Endorsement Required) 0 Restricted Delivery Fee ,-q {Endorsement Required) rU rU f3 a 3 w Winding River Maintenance Facility Brunswick County Stormwater Protect No. SW8 970526 Designer's Certification I, , as a duly registered in the State of North Carolina, having been authorized to observe (period icallylweeklylfull time) the construction of the project, (Project) for (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. Required Items to be checked for this certification to be considered complete are on page 2 of this form. Noted deviations from approved plans and specifications: Signature Registration Number Date SEAL cc,: NCDENR DWQ Regional Office Delaney Aycock, Brunswick County Building inspector 3� Certification Requirements: 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. The outlet/bypass structure elevations are per the approved plan. 5. The outlet structure is located per the approved plans. 6. Trash rack is provided on the outlet/bypass structure. 7. All slopes are grassed with permanent vegetation. $. Vegetated slopes are no steeper than 3:1. 9. The inlets are located per the approved plans and do not cause short- circuiting of the system. 10. The permitted amounts of surface area and/or volume have been provided. 11. Required drawdown devices are correctly sized per the approved plans. 12. All required design depths are provided. 13. All required parts of the system are provided, such as a vegetated shelf, and a forebay. 14. The required system dimensions, per the approved plans, are provided. S:\WQS\STORMWA-RFORMS\PECERT. FOR cc: NCDENR-DWQ Delaney Aycock, Brunswick County Building Inspector 4 DETENTION POND ANALYSIS PROJECT #: SW8 970526 FILE NAME: S:IWQSIPOND1970526.WK1 REVIEWE arl PROJECT NAME: Maintenance Facility @Winding River DATE: Dra.i_nage aasin: Lockwood Folly River Class.: SC Site Area square feet Drainage Area 139828 square feet Area in Acres 3.21000918 acres IMPERVIOUS AREA % IMPERVIOUS Buildings Concrete CABC TOTAL 32.70% SURFACE AREA CALCULATION SAIDA Req. SA Prov. SA VOLUME CALCULATION 13120 square feet 9016 square feet 23584 square feet 4.....square feet Pond Depth: 2.916% 4077 0$4 square feet 6000':square feet Bottom 34 MSL Perm. Pool 38" MSL Design Poo! 38.7 MSL Design SA 6800 square feet Req. Volume 4011.61667 cubic feet Prov. Volume 4'480<cubic feet ORIFICE CALCULATION 04-Aug-97 Chlorides_ nla 4 TSS: [From plan Contours] [From plan Contours] Rv= 0.3442758 SA @ Elevation= .N Avg. Head = 0.3265625 ft Flow Q2, cfs 0.02592593 Area, in 1.356811 Dia 2, inches 1.314361 Flow Q5, cfs 0.01037037 Area, in 0.542724 Dia 5, inches 0.831275 Engineer uses::.:, :.... .1_..25:Inches Area = 0.9940196 in2 Q, cfs - 0.0189937 Drawdown 2 729948.8'':days COMMENTS Surface Area, Volume and Orifice are within Design Guidelines.