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HomeMy WebLinkAboutSW7980823_CURRENT PERMIT_20071213STORMWATER DIVISION CODING SHEET POST -CONSTRUCTION PERMITS PERMIT NO. SW '7�%V DOC TYPE CURRENT PERMIT ❑ APPROVED PLANS ❑ HISTORICAL FILE ❑ COMPLIANCE EVALUATION INSPECTION DOC DATEgO�`/,�j YYYYMMDD rER Plymouth Hospitality, LLC Mr. Vimal Rolappa 719 W. 15'h Street Washington, NC 27889 Dear Mr. Rolappa: kL-RO Michael F. Easley, Governor William G. Ross Jr., Secretary North Carolina Department of Environment and Natural Resources December 13, 2007 Subject: Permit No. SW7980823 Renewal Holiday Inn Express -Plymouth High Density Stormwater Project Washington County Alan W. Klimek, P.E. Director Division of Water Quality The Washington Regional Office received a completed Stormwater Renewal Application for the subject project on November 15, 2007. Staff review of the files and an on site inspection has determined that the project will comply with the Stormwater Regulations set forth in Title 15A NCAC 2H.1000. We are forwarding Permit No. SW7980823 dated December 13, 2007 to Holiday Inn Express -Plymouth for a wet detention pond located at 840 US Hwy 64 West, Plymouth, NC 27962 2 This permit shall be effective from the date of issuance until December 13, 20 nd 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. The issuance of this permit does not resolve any previous violations of the stormwater rules for construction without a permit. 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 150B 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 Ernest Odei- Larbi or me at (252) 946-6481. _ cer� Al Hodge, Regional Supervisor Surface Water Protection Section Washington Regional Office cc: vVashington Regional Office Central Files North Carolina Division of Water Quality Internet: w v.ncwatereualirv.ore One 943 Washington Square Mall Phone (252) 946-6481 NorthCarolina Washington, NC 27889 Fax (252) 946-9215 Naturally An Equal Opportunity/Affirmative Action Employer - 50% Recycled/10% Post Consumer Paper State Stormwater Management Systems, Permit No. SW7980823 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 Plymouth Hospitality, LLC Washington County FOR THE continued, operation and maintenance of stormwater management systems in compliance with the provisions of 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 for a wet detention pond to serve Holiday Inn Express -Plymouth located at 840 US Hwy 64 West, Plymouth, NC 27962 This permit shall be effective from the date of issuance until December 13, 2017 and shall be subject to the following specified conditions and limitations: 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 on page 2 of this permit, the Project Data Sheet. 3. A maximum of 5.52 acres of built upon area is allowed. 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 approved plans. 5. Approved plans and specifications for this project are incorporated by reference and are enforceable parts of the permit. J State Stormwater Management Systems Permit No. SW7980823 DIVISION OF WATER QUALITY PROJECT DATA Project Name: Holiday Inn Express Permit Number: SW7980823 Location: Washington County Applicant: Plymouth Hospitality, LLC Mailing Address: 719 West 15 th Street . Washington, NC 27889 Application Date: 11/15/2007 Receiving Stream: Conaby Creek Classification of Water Body: C Total Site Area: 6.97 ac Drainage area: 6.97 ac Total Impervious allowed: 5.52 ac Wet Pond Depth: 5.52 ft Required Storage Volume: 19,229 cf (based on 1 inch) Provided Storage Volume: 34,954 cf Required Surface Area: 15,788 sf Provided Surface Area: 16,857 sf Controlling Orifice: 1.0 inch orifice 3 State Stormwater Management Systems Permit No. SW7980825 6. No homeowner/lot owner/developer shall be allowed to fill in, alter, or pipe any vegetative practices (such as swales) shown on the approved plans as part of the stormwater management system without submitting a revision to the permit and receiving approval from the Division. The following items will require a modification to the permit: a. Any revision to the approved plans, regardless of size b. Project name change C. Transfer of ownership d. Redesign or addition to the approved amount of built -upon area e. Further subdivision of the project area. In addition, the Director may determine that other revisions to the project should require a modification to the permit. 8. 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. SCHEDULE OF COMPLIANCE 1. The permittee will comply with the following schedule for construction and maintenance of the stormwater management system. a. 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 surfaces except roads. b. During construction, erosion shall be kept to a minimum and any eroded areas of the system will be repaired immediately. 2. The facilities must be properly maintained and operated at all times. The approved Operation and Maintenance Plan must be followed in its entirety and maintenance must occur at the scheduled intervals. 3. The permittee shall at all times provide the operation and maintenance necessary to assure the permitted stormwater system functions at optimum efficiency including, but not limited to: a. Semiannual scheduled inspections (every 6 months) 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. Debris removal and unclogging of outlet structure, orifice device and catch basins and piping. 4. Records of maintenance activities must be kept and made available upon request to authorized personnel of DWQ. The records will indicate the date, activity, name of person performing the work and what actions were taken. 5. This permit shall become voidable unless the facilities are constructed in accordance with the conditions of this permit, the approved plans and specifications, and other supporting data. Upon completion of construction 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 4 State Stormwater Management Systems Permit No. SW7980823 installed in accordance with this permit, the approved plans and specifications, and other supporting documentation. Mail the Certification to the Washington Regional Office, 943 Washington Square Mall, Washington, North Carolina, 27889, attention Division of Water Quality. A copy of the approved plans and specifications shall be maintained on file by the Permittee for the life of the permit. III. GENERAL CONDITIONS 1. This permit is not transferable. In the event there is a desire for the facilities to change ownership, or there is a name change of the Permittee, a formal permit request must be submitted to the Division of Water Quality accompanied by an application fee, documentation from the parties involved, and other supporting materials as may be appropriate. The approval of this request will be considered on its merits and may or may not be approved. 2. 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 accordance with North Carolina General Statute 143- 215.6(a) to 143-215.6(c). 3. 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) which have jurisdiction. 4. 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. 5. The permit may be modified, revoked and reissued or terminated for cause. The filing of a request for a permit modification, revocation and reissuance or termination does not stay any permit condition. 6. The Permittee, at least six (6) months prior to the expiration of this permit, shall submit in writing a request for an extension along with appropriate application fee. Permit issued this the 13 th day of December, 2007. NOR H CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION fur Coleen H. Sullins, Director Division of Water Quality By Authority of the Environmental Management Commission Permit Number SW7980823 Michael F. Easley, Governor i William G. Ross, Jr., Secretary North Carolina Department of Environment and Natural Resources Alan W. Klimek, P.E. Director Division of Water Quality SURFACE WATER PROTECTION SECTION 0Eft C�1�V� COASTAL STORMWATER PERMIT RENEWAL APPLICATION FORM PERMIT INFORMATION: NOV 15 2007 Stormwater Management Permit Number:,,,D t )-/ / /0O1J C Permit Holder's name: Hn I ka4u .Ltot,i F_xoe&-S — 3. Property Owners Name:11(i fYl(h0fi Hcf�u('t-,all l_(' (if different from permit holder) 4. Signing official's name: Title: (person legally responsible f rr^iq 5. Mailing address: ' 1K�1 w . 1 O ��ZF� City: Q—, 6. State: l� Zip Code: (9 I Phone: 04� Q—Q W - D o3q (� (Are de and Num r 7. Project Name: 1 r�Qaf cL(1(�1/ 8. Location of Project: (street address �IU MMAA) k. 0r91 o2' 10. Directions to Project (from nearest major intersection Specify the type of stormwater treatment (wet pond, infiltration, etc.): 1.614 DPI l 1 1 . List any changes (from project that was originally approved, attach additional pages if needed) Applicant's Certification: I, (print)%i 'AI 61anIMM permit renew I applicatio i to t best of my Signature: L40zllj, 3=— that the information included on this correct and comolete. Submit this completed form alon with an application fee of $420.00, "a nekv signed Operation and Maintenance Agreement an a copy of the designer's certification to the address listed below. North Carolina Division of Water Quality 943 Washington Square Mall Phone (252) 946-6481 Customer Service 1-877-523-6748 One Washington Regional Once Washington, NC 27889 FAX (252)946-9215 Internet: www.ncwatercualitv.om NorthCarolina An Equal OpportunitylAffirmative Action Employer - 50% Recycled110% Post Consumer Paper Naturally Permit No. (to be provided by DWQ) State of North Carolina Department of Environment and Natural Resources Division of.Water Quality STORMWATER MANAGEMENT PERMIT APPLICATION FORM WET DETENTION BASIN SUPPLEMENT This form may be photocopied for use as an original DWO Stormwater Management Plan Review: A complete stormwacer management plan submittal includes a wet detention basin supplement for each basin, design calculations, plans and specifications showing all basin and outlet structure details, and a fully executed operation and maintenance agreement 1. PROJECT INFORMATION (please complete the following information): Project Name: Holiday Inn Express Contact Person: Marie Peedin Phone Number: ( 252 974 7794 For projects with multiple basins, specify which ba this worksheet applies to: .) �+�e Basin Bottom Elevation 7 0 ft. (average elevation of the floor of the basin) Permanent Pool Elevation 12.5 ft. (elevation of the orifice) Temporary Pool Elevation 15.5 pt. (elevation of the discharge structure overflow) Sal 14�8s7 8440.77 Perrmancm Pool Surface Area sq. ft. (water surface area at the orifice elevation) Drainage Area 6.97 ac. (on -site and off -site drainage to the basin) Impervious Area s ac. (on -site and off -site drainage to the basin) Permanent Pool Volume 32,461 .74 cu. ft. (combined volume of main basin and forebay) Temporary Pool Volume 3 4 , 9 S . 7 d cu. ft. (volume detained above the permanent pool) Forebay Volume 6750 cu. ft. SA/DA1 used 5.2 (surface area to drainage area ratio) Diameter of Oruce 2.5 ; n. Design TSS Removal 90 7c (8517c TSS removal required, see item k below) II. REQUIRED ITEMS CHECKLIST The following checklist outlines design requirements per the Stormwater Best Management Practices manual (N.C. Department of Environment, Health and Natural Resources, November 1995) and Administrative Code Section: 15 A NCAC 2H .1008. Initial in the space provided to indicate the following design requirements have been met and supporting documentation is attached. If the applicant has designated an agent in the Stormwater Management Permit Application Form,. the agent may initial below. If a requirement has not been met, attach justification. Form SWU-102 Ianuary 1998 Page 1 of 2 Applicant's Initials a. The temporary pool controls rvnoff from the I itch storm event. It. The basin length to width ratio is greater than 3: 1. C. The basin side slopes above the permanent pool are no steeper than 3: I. d. A submerged and vegetated perimeter shelf at less than 6:1 is provided (show detail). e. Vegetation above the permanent pool elevation is specified. f. An emergency drain is provided to empty the basin. g. The permanent pool depth is between 3 and 6 feet (required minimum of 3 feet). h. The temporary pool draws down in 2 to 5 days. i. A trash rack is provided for both the overflow and orifice. j. The forebay volume is approximately equal to 20% of the total basin volume. k. Sediment storage is provided in the permanent pool. 1. A 30-foot vegetative filter is provided at the outlet2(include erosive flow calculations) In. Recorded drainage easement for each basin including access to nearest right-of-way. n. A site specific operation and maintenance (O&M) plan is provided. o. A vegetation managementhnowmg schedule is provided in the O&M plan. p. Semi-annual inspections are specified in the O&M plan. q. A debris check to be performed after every storm event is specified in the O&M plan. r. Specific clean -out benchmarks are specified in the O&M plan (elevation or depth). S. A legally responsible pany is designated in the O&M plan3 (include name and title). I. If the basin is used for sediment and erosion control during construction, dean out of the basin is specified to be performed prior to use as a wet detention basin. Footnotes: I When using the Division SA/DA tables, the correct SA/DA ratio for penmment pool sung should he computed based upon the actual impervious %cod permanent pool depth. Liam interpolation should be employed to determine the oanea value for nomstandmd table entries. 2 The requirement for a vegetative filter maybe waived if the wet detention basin is designed to meet 90%TSS removal. 3 The legally tesponsible party should not be a homeowners association unless more than 509: of the Ids have heen sold and a resident of the subdivism has been maned the president. III. WET DETENTION BASIN OPERATION AND MAINTENANCE AGREEMENT The wet detention basin system is defined as the wet detention basin, forebay, non-integrated pretreatment systems (pretreatment otherthan forebays), and the vegetated filter ifone is provided. This system (check one) does does not incorporate a vegetated filter. This system (check one) does does not incorporate non-integrated pretreatment. Maintenance ac ivities shall be performed as follows: 1. After every significant runoff producing rainfall event and at least monthly: Form SWU-102 Rev I/August 1998 Page 2 of 3 a. Inspect the wet detention basin system for sediment accumulation, erosion, trash accumulation, grass cover, and general condition. b. Check and clear the orifice of any obstructions such that drawdown of the temporary pool occurs within 2 to 5 days. 2. Repair eroded areas immediately, re -seed as necessary to maintain good vegetative cover, mow vegetative cover to maintain a maximum height of six inches, and remove trash as needed. 3. Inspect and repair the collection system (i.e. catch basins, piping, swales, riprap, etc.) quarterly to maintain proper functioning. 4. Remove accumulated sediment from the wet detention basin system semi-annually or when depth is reduced to 75%of the original design depth. Removed sediment shall be disposed of in an appropriate manner and shall not be handled in a manner that will adversely impact water quality (i.e. stockpiling near a wet detention basin or stream, etc.). by wr^? based wl .�{un�►�ew The original design depth is: S Jr 0.1,1 rr y4 gyp/ h The sediment removal benchmark depth is: 6 .9 5. Remove cattails and other indigenous wetland plants when they cover 75% of the basin surface. These plants shall be encouraged to grow along the basin perimeter. 6. If the basin must be drained for an emergency or to perform maintenance, the flushing of sediment through the emergency drain shall be minimized to the maximum extent practical. 7. All components of the wet detention basin system shall be maintained in good working order. I acknowledge and agree by my signature below that I am responsible for the performance of the above maintenance procedures. I agree to notify DWQ of any problems with the system or changes in the name of the project, responsible party, or address. Print name: Fred Watkins Address: East Coast Hospitility / 719 West I Sth Street/Suite I 1 / Washington, NC 27889 Phone: (252) 974-0439 Date: 09u, / 6 j9%y I, Joye5 Y„tVi-c.- ,aNotary Public forthe State of Alp/[-Tµ CgV2o�iiaA Countyof $pguroar do hereby certify that r2J_=t> d. work-tlyS personally appeared before me this /4� day of No ✓e,n a e,z 19_9_e,, and acknowledge the due execution of the forgoing infiltration system maintenance requirements. Witness my hand and official seal, '1,111117 N 141p"`aB SEAL EGA J. q `�.` UCH . •..,w ✓i�� My commission expires 05A3p L y t �1s �. tfi �• U Form SWU-102 Rev 1/August 1998 Page3,,6Ibo . ,•••• �,.• , e: T COON F:/JmisfPenmts/Wetdet 111/1111/11N110