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HomeMy WebLinkAboutSW7110608_COMPLIANCE_20130926STORMWATER DIVISION CODING SHEET POST -CONSTRUCTION PERMITS PERMIT NO. DOC TYPE ❑ CURRENT PERMIT ❑ APPROVED PLANS ❑ 'HISTORICAL FILE COMPLIANCE EVALUATION INSPECTION DOC DATE 2/2�� 0 YYYYMMDD September 25, 2013 Mr. Scott Vinson SW Express Environmental Engineer Washington Regional Office NCDENR — Division of Water Quality 943 Washington Square Mall Washington, North Carolina 27889 pp �Fl �,� � �. u RICE & ASSOCIATES SEP 2 6 2013 ,DE M 4:R SENT VIA US MAIL Re: Alderbrook Pointe Multi -family Housing 7.55 Acre Parcel Out of Eskridge Crossing N. Pierce Street Extension — Washington, NC Stormwater Permit No. SW 7110618 High Density Commercial Wet Pond Project - Beaufort County FINAL CERTIFICATION Dear Mr. Vinson: A partial Engineer's Certification for the above referenced project was submitted to your office on April 17, 2012. Construction has now been completed, including Items 1, 5, 6, and 7 itemized on the attached "Certification Requirements". This certification is based on observations made during a site visit on September 24, 2013 and an on the ground survey of the constructed impervious areas. In addition, NCDENR, Land Quality Section, conducted a site visit of the (project on May 14, 2013 and issued a final inspection and removed the project from their active files, copy of report attached. Also attached for your reference and file are the following documents. 1 . Copy of the Stormwater Permit issued for the project 2. Page 6 of 7 of the Permit, Designers Certification, signed, sealed and dated by the design engineer 3. Page 7 of 7 of the Permit, Certification Requirements with "final" items checked and signed, sealed and dated by the design engineer 133 Lockhart Drive o Beaufort, NC 28516 o Voice: 252-838-1221 o Fax: 252-838-1227 a Web: riceassociatespllc.com Mr. Scott Vinson, SW Express Environmental Engineer Washington Regional Office, NCDENR — Division of Water Quality Stormwater Permit No. SW 7110618 - Beaufort County High Density Commercial Wet Pond Project FINAL CERTIFICATION September 25, 2013 Page 2 of 2 Should you require any additional information or clarification of certification elements please contact me as provided below. You may also reach me on my cell phone — 252-732-6688. Very Truly Yours, RICE & ASSOCIATES, PLLC St ve Rice, P.E. W/attachments CC: Allen Lewis, Public Works Director, City of Washington (US Mail) John P. Leonard, The NRP Group (emailed) Cheryl Steigerwald, The NRP Group (emailed) Matt Regets, The NRP Group (emailed) Harrison Ellinwood, EDA pa (emailed) SEDIMENTATION INSPECTION REPORT North Carolina Department of Environment and Natural Resources Land Quality Section: 943 Washington Square Mall, Washington, NC 27889 (252) 946-6481 County: BEAUFORT Project: ALDERBROOK POINTE MFH River basin: TAR-PAMLICO Person financially responsible: ALDERBROOK POINTE LP Project # 2011-026 Address: MR ALAN SCOTT 8450 FALLS OF NEUSE ROAD SUITE 100 RALEIGH NC 27615 1. Project location: W 15TH Pictures: Yes: ❑ No: ® Prints:❑ Slides:❑ Digital:❑ Video: ❑ 2. Weather and soil conditions: SUNNY COOL DRY Initial inspection: Yes: ❑ No: 3. Is site currently under notice of violation? Yes: ❑ No: 4. Is the site in compliance with S.P.C.A. and rules? Yes: ® No: ❑ If no, check violations below: 5. Violations: ❑ a. No approved plan, G.S. 113A-57 (4) and 15A N.C.A.C. 4B.0107(c) ❑ g. Inadequate buffer zone, G.S. 113A-57(I) ❑ b. Failure to follow approved plan, G.S. 113A-57(5) ❑ h. Graded slopes and fills too steep, G.S. 113A-57(2) or 15A N.C.A.C. 413.0124(d) ❑ c. Failure to submit revised plan, G.S. I I3A-54.1(b) and 15A N.C.A.C. 4B.0I 18(a) ❑ I. Unprotected exposed slopes, G.S. 113A-57(2) ❑ d. Failure to provide adequate groundcover, G.S. 113A-57(3) and ❑ j. Failure to maintain erosion control measures, 15A N.C.A.C. 4B.0107(b) or 15A N.C.A.C. 4B.0124(e) 15A N.C.A.C. 413.0113 ❑ e. Insufficient measures to retain sediment on site, G.S. 113A-57(3) ❑ k. Other (describe) ❑ f. Failure to take all reasonable measures, 15A N.C.A.C. 4B.0105 6. Potential NPDES Violation? Yes: ❑ No: ® Describe: 7. Has sedimentation damage occurred since last inspection? Yes: ❑ If yes, where? (check all that apply) No: Lake/natural watercourse on the tract:❑ Lake/natural watercourse off the tract: ❑ Other property: ❑ Description: Degree of damage: slight: ❑ moderate : ❑ severe: ❑ 8. Contact made with (name): NO ONE CONTACTED Title: Inspection report not sent ❑: given: [],or sent: ® to person financially responsible. Date given /sent: 5/15/13 9. Corrective actions needed 10. Comments: ALL WORK APPEARS COMPLETE AND STABLE. THIS OFFICE WILL REMOVE THE PROJECT FROM OUR ACTIVE FILES. YOU ARE NO LONGER REQUIRED TO SELF INSPECT PER THE SPCA. Reportby: �' "-VJ)A Others present: Date of inspection: 5/14/13 Time arriving on site: 11:25 Time leaving site: 11:40 cc: Copy to file Copy to financially responsible party `CDf WR North Carolina Department of Environment and Natural Resources Division of Water Quality Beverly Eaves Perdue Coleen H. Sullins Dee Freeman Governor Director Secretary Mr. Alan F. Scott Alderbrook Pointe, LP 5309 Transportation Boulevard Cleveland, OH 44125 Subject: Stormwater Permit No. SW7110618 Alderbrook Pointe Multi -Family Housing High Density Commercial Wet Pond Project Beaufort County Dear Mr. Scott: The Washington Regional Office received a complete Stormwater Management Permit Application for Alderbrook Pointe Multi -Family Housing development on June 28, 2011. Staff review of the plans and specifications has determined that the protect, as proposed, will comply with the Stormwater Regulations set forth in Session Law 2008-211 and Title 15A NCAC 2H.1000. We are forwarding Permit No. SW7110618 dated August 4, 2011, for the construction of the subject project. This permit shall be effective from the date of issuance until August 4, 2021, and shall be subject to the conditions and limitations as specified therein. Please pay special attention to the Operation and Maintenance requirements in this permit. Failure to establish an adequate system for operation and maintenance of the stormwater management system will result in future compliance problems. If any parts, requirements, or limitations contained in this permit are unacceptable, you have the right to request an adjudicatory hearing upon written request within thirty (30) days following receipt of this permit. This request must be in the form of a written petition, conforming to Chapter 150E of the North Carolina General Statutes, and filed with the Office of Administrative Hearings, 6714 Mail Service Center, Raleigh, NC 27699-6714. Unless such demands are made this permit shall be final and binding. If you have any questions, or need additional information concerning this matter, please contact Samir Dumpor, or me at (252) 946-6481. �clg Regional Supervisor Surface Water Protection Section AH/ so: K:\WQS\STORMWATER\SD\SW7110618 North Carolina Division of Water Quality Internet: www.ncwaterqualitv.ore 943 Washington Square Mall Phone: 252-946-6481 Washington, NC 27889 FAX 252-946-9215 An Equal Opportunity/Affirmative Action Employer- 50% Recycled/10% Post Consumer Paper Nne orthCarolina NaturaMil Page 2 of 2 cc: ✓Steven Rice, PE, Rice & Associates, PLLC (133 28516) Richard Bailey, Jr. NRP Alderbrook Pointe, LLC, #100, Raleigh, NC 27615) Beaufort County Building Inspections Washington Regional Office Lockhart Drive, Beaufort, NC (8450 Falls of neuse Road, State Stormwater Management Systems Permit No. SW7110618 STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES DIVISION OF WATER QUALITY STATE STORMWATER MANAGEMENT PERMIT HIGH DENSITY DEVELOPMENT In accordance with the provisions of Article 21 of Chapter 143, General Statutes of North Carolina as amended, and other applicable Laws, Rules, and Regulations PERMISSION IS HEREBY GRANTED TO Alderbrook Pointe, LP Alderbrook Pointe Multi -Family Housing Beaufort County FOR THE construction, operation and maintenance of one wet detention pond in compliance with the provisions of Session Law 2008-211 and 15A NCAC 2H .1000 (hereafter referred to as the "stormwater rules') and the approved stormwater management plans and specifications and other supporting data as attached and on file with and approved by the Division of Water Quality and considered a part of this permit. This permit shall be effective from the date of issuance until August 4, 2021, and shall be subject to the following specified conditions and limitations: 1. DESIGN STANDARDS 1. This permit is effective only with respect to the nature and volume of stormwater described in the application and other supporting data. 2. This stormwater system has been approved for the management of stormwater runoff as described in Section 1.7 of this permit. The stormwater control has been designed to handle the runoff from 184,476 square feet of impervious area. 3. The tract will be limited to the amount of built -upon area indicated in Section I. of this permit, and per approved plans. 4. All stormwater collection and treatment systems must be located in either dedicated common areas or recorded easements. The final plats for the project will be recorded showing all such required easements, in accordance with the approved plans. 5. The runoff from all built -upon area within the permitted drainage area of this project must be directed into the permitted stormwater control system. 6. The built -upon areas associated with this project shall be located at least 50 feet landward of all perennial and intermittent surface waters. Page 2 of 7 State Stormwater Management Systems Permit No. SW7110618 7. The following design criteria have been provided in the wet detention pond and must be maintained at design condition: a. Drainage Area, ft2: 368,953 b. Total Impervious Surfaces, ft2: 184,476 C. Design Storm, inches: 1.5 d. Pond Depth - average, feet: 3.50 e. TSS removal efficiency: 90% f. Permanent Pool Elevation, FMSL: 8.00 gg Permanent Pool Surface Area required, ft2 18,448 Permanent Pool SurfacS Area provided, ft: 30,471 i . Min. Volume required, ft : 23,060 JJ Permitted Storage Volume, ft3: 23,516 k. Temporary Storage Elevation, FMSL: 8.70 I. Controlling Orifice: 2.50"0 pipe M. Permitted Forebay Volume, ft3: 21,911 n. Receiving Stream/River Basin: Cherru Run 0. Stream Index Number: 28-103-17 p. Classification of Water Body: "C;Sw;NSW" II. SCHEDULE OF COMPLIANCE 1. The stormwater management system shall be constructed in its entirety, vegetated and operational for its intended use prior to the construction of any built -upon surface. 2. During construction, erosion shall be kept to a minimum and any eroded areas of the system will be repaired immediately. 3. The permittee shall at all time 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. Semiannual scheduled inspections (every 6 months). b. Sediment removal. C. Mowin.9 and re -vegetation of slopes and the vegetated filter strip. d. Immediate repair of eroded areas. e. Maintenance of all slopes in accordance with approved plans and specifications. f. Debris removal and unclogging of outlet structure, orifice device, level spreader, filter strip, catch basins and piping. g. Access to the outlet structure must be available at all times. 4. Records of maintenance activities must be kept for each permitted BMP. The records will indicate the date, activity, name of person performing the work and what actions were taken. 5. The permittee shall submit to the Division of Water Quality an annual summary report of the maintenance inspection records for each BMP. The report shall summarize the inspection dates, results of the inspections, and the maintenance work performed at each inspection. 6. Access to the stormwater facilities shall be maintained via appropriate easements at all times. 7. The facilities shall be constructed as shown on the approved plans. This permit shall become void unless the facilities are constructed in accordance with the conditions of this permit, the approved plans and specifications, and other Page 3 of 7 State Stormwater Management Systems Permit No. SW7110618 supporting data. 8. Upon completion of construction, prior to issuance of a Certificate of Occupancy, and prior to operation of this 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. A modification may be required for those deviations. 9. If the stormwater system was used as an Erosion Control device, it must be restored to design condition prior to operation as a stormwater treatment device, and prior to occupancy of the facility. 10. The permittee shall submit to the Director and shall have received approval for revised plans, specifications, and calculations prior to construction, for any modification to the approved plans, including, but not limited to, those listed below: a. Any revision to any item shown on the approved plans, including the stormwater management measures, built -upon area, details, etc. b. Project name change. C. Transfer of ownership. d. Redesign or addition to the approved amount of built -upon area or to the drainage area. e. Further subdivision, acquisition, lease or sale of all or part of the project area. The project area is defined as all property owned by the permittee, for which Sedimentation and Erosion Control Plan approval or a CAMA Major permit was sought. f. Filling in, altering, or piping of any vegetative conveyance shown on the approved plan. 11. The Director may notify the permittee when the permitted site does not meet one or more of the minimum requirements of the permit. Within the time frame specified in the notice, the permittee shall submit a written time schedule to the Director for modifying the site to meet minimum requirements. The permittee shall provide copies of revised plans and certification in writing to the Director that the changes have been made. 12. 'The permittee shall submit final site layout and grading plans for any permitted future areas shown on the approved plans, prior to construction. 13. A copy of the approved plans and specifications shall be maintained on file by the Permittee at all times. . . ... I . III. GENERAL CONDITIONS This permit is not transferable except after notice to and approval by the Director. In the event of a change of ownership, or a name change, the permittee must submit a completed Name/Ownership Change form, to the Division of Water Quality, signed by both parties, and accompanied by supporting documentation as listed on page 2 of the form. The project must be in good standing with the Division. The approval of this request will be considered on its merits and may or may not be approved. 2. The permittee is responsible for compliance with all permit conditions until such time as the Division approves the transfer request. 3. Failure to abide by the conditions and limitations contained in this permit may subject the Permittee to enforcement action by the Division of Water Quality, in Page 4 of 7 State Stormwater Management Systems Permit No. SW7110618 accordance with North Carolina General Statute 143-215.6A to 143-215.6C. 4. The issuance of this permit does not preclude the Permittee from complying with any and all statutes, rules, regulations, or ordinances, which may be imposed by other government agencies (local, state, and federal) having jurisdiction. 5. In the event that the facilities fail to perform satisfactorily, including the creation of nuisance conditions, the Permittee shall take immediate corrective action, including those as may be required by this Division, such as the construction of additional or replacement stormwater management systems. 6. The permittee grants DENR Staff permission to enter the property during normal business hours for the purpose of inspecting all components of the permitted stormwater management facility. 7. The permit issued shall continue in force and effect until revoked or terminated. The permit may be modified, revoked and reissued or terminated for cause. The filing of a request for a permit modification, revocation and re -issuance or termination does not stay any permit condition. 8. Unless specified elsewhere, permanent seeding requirements for the stormwater control must follow the guidelines established in the North Carolina Erosion and Sediment Control Planning and Design Manual. 9. Approved plans and specifications for this project are incorporated by reference and are enforceable parts of the permit. 10. The issuance of this permit does not prohibit the Director from reopening and modifying the permit, revoking and reissuing the permit, or terminating the permit as allowed by the laws, rules and regulations contained in Session Law 2008- 211, Title 15A NCAC 21-1.1000, and NCGS 143-215.1 et.al. 11. The permittee shall notify the Division of any name, ownership or mailing address changes at least 30 days prior to making such changes. 12. This permit shall be effective from the date of issuance until August 4, 2021. Application for permit renewal shall be submitted 180 days prior to the expiration date of this permit and must be accompanied by the processing fee. Permit issued this the 4th day of August, 2011. tRTH ROLINA ENVIRONMENTAL MANAGEMENT COMMISSION for Co een . Sul is, Director Division of Water Quality By Authority of the Environmental Management Commission Stormwater Permit No. SW7110618 Page 5 of 7 State Stormwater Management Systems Permit No. SW7110618 Alderbrook Pointe Multi -Family Housing Stormwater Permit No. SW7110618 Beaufort County Designer's Certification I, , as a duly registered in the State of North Carolina, having been authorized to observe (periodically/ weekly/ full time) the construction of the 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. The checklist of items on page 2 of this form is included in the Certification. Noted deviations from approved plans and specification: Signature Registration Number Date SEAL Page 6 of 7 State Stormwater Management Systems Permit No. SW7110618 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. 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 outlet/bypass 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: NCDENR-DWQ Washington Regional Office Beaufort County Building Inspections Page 7 of 7 State Stormwater Management Systems Permit No. SW7110618 Alderbrook Pointe Multi -Family Housing Stormwater Permit No. SW7110618 Beaufort County Designer's Certification �ONALw 250 FT 10P I, Sin K A14 , as a duly registered AEdSG 14JNLIL- in the State of North Carolina, having been authorized to observe (periodically/ weekly/ full time) the construction of the project, Ulo.p-r-Am)LY 4o6taG (Project) for A kAaa-"k ?Po V% C L f (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: HID flGv l k"n o" SEAL 8293 F�GfNo �y M. Signature Registration Number JbZGf3 Date 29 *rOPT 13 /o Page 6 of 7 State Stormwater Management Systems Permit No. SW7110618 Certification Requirements: 1 (d%TI FI&AT0hJ I�T1 1 10- 29- t3 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. V0003. All the built -upon area associated with the project is graded such that the runoff drains to the system. V4. All roof drains are located such that the runoff is directed into the system. V/ 5. The outlet/bypass structure elevations are per the approved plan. v" 6. The outlet structure is located per the approved plans. �7. Trash rack is provided on the outlet/bypass structure. ve& 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: NCDENR-DWQ Washington Regional Office Beaufort County Building Inspections F1zTiAty IF(I FICA -11W-3 V PwA1. oftartficAmmi Page 7 of 7 ,f' 0112 Ilolola SEAL 8293 �.F'YQINEED Io -z5. L5 Y/:�J. t r � �1 . , i �� A W . i�'- ,,• �n u �.+"