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HomeMy WebLinkAboutSW8951101_CURRENT PERMIT_19951215STORMWATER DIVISION CODING SHEET POST -CONSTRUCTION PERMITS PERMIT NO. SW DOC TYPE � CURRENT PERMIT APPROVED PLANS ❑ HISTORICAL FILE ❑ COMPLIANCE EVALUATION INSPECTION DOC DATE M57�((S YYYYMMDD State of North Carolina Department of Environment, ` *(Ilirn�j Health and Natural Resources Division of Environmental Management _ James B. Hunt, Jr., Governor ®FE N Jonathan B. Howes, Secretary A. Preston Howard, Jr., P.E., Director December 15, 1995 Mr. Joseph Albanese Wrightsville Park, LLC 1430 Commonwealth Drive, Suite 306 Wilmington, North Carolina 28403 Subject: Permit No. SW8 951101 Hawthorne Place High Density Stormwater Project New Hanover County Dear Mr, Albanese: The Wilmington Regional Office received the Stormwater Application for Hawthorne Place on November 1, 1995, with final information on December 4, 1995. Staff review of the plans and specifications has determined that the project, as proposed, will comply with the Stormwater Regulations set forth in Title 15A NCAC 2H.1000. We are forwarding Permit No. SW8 951101 dated December 15, 1995 to Wrightsville Park, LLC. This permit shall be effective from the date of issuance until December 15, 2005 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 ajudicatory 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, P.O. Drawer 27447, Raleigh, NC 27611-7447. 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 Linda Lewis, or me at (910) 395-3900. Sincerely, Dave Adkins Regional Water Quality Supervisor DA/arl: S:IWQSISTORMWATIPER?vflT1951101.DEC cc: Phil Tripp. P.E. Alan Golden, New Hanover County Inspections Beth Easley, New Hanover County Soil Erosion Linda Lewis Wilmington Regional Office Central Files P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone 919-733-5083 FAX 919-733-9919 An Equal Opportunity Affirmative Action Employer State Stormwater Management Systems Permit No. SW8 951101 STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENT, HEALTH AND NATURAL RESOURCES DIVISION OF ENVIRONMENTAL MANAGEMENT STATE STORMWATER MANAGEMENT PERNIIT 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 Wrightsville Park, LLC Hawthorne Place New Hanover County FOR THE construction, 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 Environmental Management and considered a part of this permit. This permit shall be effective from the date of issuance until December 15, 2005 and shall be subject to the following specified conditions and limitations: I. 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 3 of this permit, the Project Data Sheet. 3. Approved plans and specifications for this project are incorporated by reference and are enforceable parts of the permit. 2 e State Stormwater Management Systems Permit No. SW8 951101 DIVISION OF ENVIRONMENTAL MANAGEMENT PROJECT DATA Project Name: Hawthorne Place Permit Number: 951101 Location: New Hanover County Applicant: Mr. Joseph Albanese Mailing Address: Wrightsville Park, LLC ' 1430 Commonwealth Drive, Suite 306 Wilmington, North Carolina 28403 Application Date: November 1, 1995 Water Body Receiving Stormwater Runoff: Bradley Creek Classification of Water Body: "SC HQW" If Class SA, chloride sampling results: NIA Pond Depth: 3.5 feet Permanent Pool Elevation: 26 MSL Total Impervious Surfaces Allowed: 48,185 square feet Offsite Area entering Pond: NIA square feet Green Area entering Pond: 58,100 square feet Required Surface Area: 4,819 square feet Provided Surface Area: 7,565 square feet Required Storage Volume: 4,859 cubic feet Provided Storage Volume: 12,237 cubic feet Temporary Storage Elevation: 27.4 MSL Controlling Orifice: 1.75" pipe t State Stormwater Management Systems Permit No. SW8 951101 4. 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. 5. 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. 6. 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. H. 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 it's entirety, vegetated and operational for it's 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 it's 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. g. Access to the outlet structure must be available at all times. 4 State Stormwater Management Systems Permit No. SW$ 951101 4. Records of maintenance activities must be kept and made available upon request to authorized personnel of DEM. 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. 6. 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. Mail the Certification to the Wilmington Regional Office, 127 Cardinal Drive Extension, Wilmington, North Carolina, 28405, attention Water Quality Section. 7. A copy of the approved plans and specifications shall be maintained on file by the Permittee for a minimum of ten years from the date of the completion of construction. 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 Environmental Management 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 Environmental Management, 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 State Stormwater Management Systems Permit No. SW8 951101 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. Permit issued this the 15th day of December, 1995. NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION A. Preston Howard, Jr., P.E. , Director Division of Environmental Management By Authority of the Environmental Management Commission Permit Number SW8 951101 no State Stormwater Management Systems Permit No. SW8 951101 Hawthorne Place Stormwater Project No. 951101 New Hanover County Engineer's Certification I, , as a duly registered Professional Engineer in the State of North Carolina, having been authorized to observe (periodically/weekly/full 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. S ignature Registration Number Date 7 DIVISION OF ENVIRONMENTAL MANAGEMENT PGT 9571 NORTH CAROLINA STORMWATER MANAGEMENT PERMIT APPLICATION I. GENERAL INFORMATION 1. Project Name Hawthorne Place 2. Location, directions to project (include County, Address, State Road) Attach map. _pa k �VPT�„"_ and 54th Street 3. Owner's Name Wrightsville Park, L.L.C. phone 452-5334 4. Owner's Mailing Address 1430 Commonwealth Drive SuitQ. 3Q6 City Wilmington State NC Zip 28403 5. Application date 10-19-95 Fee enclosed $ 385 6. Nearest Receiving Stream unamed tributary of Bradley Ck. Class SC--HQW 7.Projectdescription multi —family residential II. PERMIT INFORMATION 1.Permit No.rrobefiuedinbyDEM) 5WX gs'!d1 2. Permit Type X New Renewal Modification (existing Permit No.) 3. Project Type: Low Density XDetention Infiltration Other: Redevelop General Dir Cert 4. Other State/Federal Permits/Approvals Required (Check appropriate blanks) CAMA Major Sedimentation/Erosion Control 404 Permit M. BUILT UPON AREA (Please see NCAC 2H.1005 thru .1007 for applicable density limits) Drainaze Drainage Breakdown of Impervious Area Basin Basin (Please indicate below the design impervious area) Classification SC—HQW Buildings 18,360 SF Allowable Impervious Area 31,885 SF Streets 24,675 SF Total Project Area 106,285 SF Parking/SW 5,150 SF Proposed Impervious Area 48,185 SF % Impervious Area 45.34% IV. STORMWATER TREATMENT (Describe how the runoff will be treated) Other N/A Totals 48,185 SF detention pond V. DEED RESTRICTIONS AND PROTECTIVE COVENANTS Deed restrictions and protective covenants are required to be recorded for all low density projects and all subdivisions prior to the sale of any lot. Please see Attachment A for the specific items that must be recorded for the type of project applied for. By your signature below, you certify that the recorded deed restrictions and protective covenants for this project shall include all the items required by the permit, that the covenants will be binding on all parties and persons claiming under them, that they will run with the land, that the covenant cannot be changed or deleted without concurrence from the State, and that they will be recorded prior to the sale of any lot. VI. OWNER'S CERTIFICATION i, J6 ,Y# AZ—B#Afe'----6!!E� , certify that the information included on this permit ease print or type name clearly) application form is correct, that the project will be constructed in conformance with the approved plans, that the deed restrictions will be recorded with all required permit conditions, and that to the best of my knowledge, the proposed project complies with thq,-requirements of 15A NCAC 2H.1000. I authorize the -below named person or firm to submit stormwater plans on my behalf. VH. AGENT AT. MOIE Person or firm Mailing Address City 1 Signature and Title .TION (MUST BE COMPLETED) Phillip G. Tripp, P.E. --- - 211 North Fifth Ave. Wilmington State NC Zip 28401 Phone 763-8124 Please submit application, fee, plans and calculations to the appropriate Regional Office. cc: Applicant/WiRO//Central Files Office use only, TMIn p E C E Wk UD CHIN 0 t 1995 VROJ ggsI i PGT 9571 Project Name: POND MAINTENANCE REQLTMENHMS Hawthorne Place Project No. `v(.t) $ 9 S 1 1 U 1 Responsible Party: Wrightsville Park, L.L.C. phone No 452-5334 Address: 1430 Commonwealth Dr.. Suite 306 Wilmington, NC 28403 I. Monthly, or after every runoff producing rainfall event, whichever comes first: A. Inspect the trash rack; remove accumulated debris, repair/replace if it is not functioning. B. Inspect and clear the orifice of any obstructions. If a pump is used . as the drawdown mechanism, pump operation will be checked. A log of test runs of the pump will be kept on site and made available to DEM personnel upon request. C. Inspect the pond side slopes and grassed inlet swales; remove trash, and repair eroded areas before the next rainfall event. D. If the pond is operated with a vegetated filter, the filter will be checked for sediment accumulation, trash accumulation, erosion and proper operation of the flow spreader mechanism. Repairs/cleaning will be done as necessary. II. Quarterly: A. Inspect the collection system (ie. catch basins, piping, grassed swales) for proper functioning. Accumulated trash will be cleared from basin grates, basin bottoms, and piping will be checked for obstructions and cleared as required. B. Pond inlet pipes will be checked for undercutting, riprap or other energy dissipation structures will be replaced, and broken pipes will be repaired. M. Semi-annually: A. Accumulated sediment from the bottom of the outlet structure will be removed. B. The pond depth will be checked at various points. If depth is reduced to 75 %' of original design depth or 3 feet whichever is greater, sediment will be removed to at least the original design depth. C. Grassed swales, including the vegetated filter if applicable, will be reseeded twice a year as necessary. STOn WAE.R D avG11995 D.EM VIL01- g SIty POND MAINTENANCE REQUMEMENTS PAGE 2 IV. General: A. Mowing of the side slopes will be accomplished according to the season. Maximum grass height will be b". B. Cattails are encouraged along the pond perimeter, however they will be removed when they cover more than 1/2 the surface area of the pond. C. The orifice/pump is designed to draw down the pond in 2-5 days. If drawdown is not accomplished in that time, the system .will be checked for .clegging. The source of the clogging will be found and eliminated. D. All components of the detention pond system will be kept in good working order. Repair or replacement components will meet the original design specifications as per the approved stormwater plan. V. Special Requirements: I, �J45Ej i I OtIL5tM &. , hereby acknowledge that I am the financially responsible party for maintenance of Mis detention pond. I will perform the maintenance as outlined above, asp the Certificatio of Compliance with Stormwater Regulations received for this project. Signatur' e: a Notary Public for the S tate of �. County o Y�,¢)i� , . ..�. , do hereby cert' that personally appeared before me this Zd day of 9 ,and acknowledge the due execution of the foregoing instrument. Witness my hand and official seal, S�E Al My commission expires_ /f —/YEIo i� tAOT4 R}. �SLIG 'c 4 DAlarl: S:IWQSISTORMWATIFORMSIO&M-POND.FOR �'f R