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HomeMy WebLinkAboutSW8960214_Historical File_19960508State of North Carolina Department of Environment, Heaath and Natural Resources AV4 0 Division of Environmental Management James B. Hunt, Jr., Governor Jonathan B. Howes, Secretary A. Preston Howard, Jr., P.E., Director May 8, 1996 Mr. Mark L. Maynard, Manager Eastwood Developers, L.L.C. Post Office Box 5610 Wilmington, North Carolina 28403 Subject: Permit No. SW8 960214 Lauren Place Townhomes High Density Stormwater Project Dear Mr. Maynard: New Hanover County The Wilmington Regional Office received the Stormwater Application for Lauren Place Townhomes on February 19, 1996, with final information on April 25, 1996. 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 960214 dated May 8, 1996, to Eastwood Developers, L.L.C.. This permit shall be effective from the date of issuance until May 8, 2006, and shall be subject to the conditions and 1 imitations 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, VD- ` c v-- S � t, \J IF c- �C) tZ Dave Adkins Regional Water Quality Supervisor DA/arl: S:\WQS\STORMWAT\PERMIT\960214.MAY cc: Ward Andrews, P.E. Alan Golden, New Hanover County Inspections Beth Easley, New Hanover County Engineering 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 W State Stormwater Management Systems Permit No. SW8 960214 STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENT, HEALTH AND NATURAL RESOURCES DIVISION OF ENVIRONMENTAL MANAGEMENT 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 Eastwood Developers, L.L. C. Lauren Place 7ownhomes New Hanover County FOR THE construction, operation and maintenance of two Detention Ponds 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 May S, 2006 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. Pond 1 will treat the runoff from 40,199 ft2 of impervious area, and Pond 2 will treat the runoff from 116,336 ft2 of impervious area. 3. Approved plans and specifications for this project are incorporated by reference and are enforceable parts of the permit. 2 State Stormwater Management Systems Permit No. SW8 960214 DIVISION OF ENVIRONMENTAL MANAGEMENT PROJECT DATA Project Name: Lauren Place Townhomes Pond 1 Permit Number: SW8 960214 Location: New Hanover County Applicant: Mailing Address: Application Date: Water Body Receiving Stormwater Runoff Classification of Water Body: If Class SA, chloride sampling results: Pond Depth: Permanent Pool Elevation: Total Impervious Surfaces Allowed: Green Area entering Pond: Required Surface Area: Provided Surface Area: Required Storage Volume: Provided Storage Volume: Temporary Storage Elevation: Controlling Orifice: Mr. Mark L. Maynard, Manager Eastwood Developers, L.L.C. Post Office Box 5610 Wilmington, North Carolina 28403 February 19, 1996 Smith Creek "C Sw" N/A 4 feet 32.5 MSL 40,199 square feet 47,357 square feet 3,479 square feet 3,486 square feet 4,050 cubic feet 4,205 cubic feet 33.53 MSL 75" hole drilled in 4" cap 3 State Stormwater Management Systems Permit No. SW8 960214 DIVISION OF ENVIRONMENTAL MANAGEMENT PROJECT DATA Project Name: Lauren Place Townhomes Pond 2 Permit Number: SW8 960214 Location: New Hanover County Applicant: Mr. Mark L. Maynard, Manager Mailing Address: Eastwood Developers, L.L.C. Post Office Box 5610 Wilmington, North Carolina 28403 Application Date: February 19, 1996 Water Body Receiving Stormwater Runoff: Smith Creek Classification of Water Body: "C Sw" 14 --?q -� If Class SA, chloride sampling results: N/A Pond Depth: 6 feet Permanent Pool Elevation: 30.5 MSL Total Impervious Surfaces Allowed: 116,336 square feet Green Area entering Pond: 129,778 square feet Required Surface Area: 6,242 square feet Provided Surface Area: 6,200 square feet Required Storage Volume: 11,600 cubic feet Provided Storage Volume: 11,738 cubic feet Temporary Storage Elevation: 32.13 MSL Controlling Orifice: 1.5" pipe 4 State Stormwater Management Systems Permit No. SW8 960214 4. No property owner/developer shall 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 tract will be limited to the amount of built -upon area indicated in the supporting calculations and per approved plans. 6. The permittee is responsible for verifying that the proposed built -upon area does not exceed the allowable built -upon area. 7. 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. f. Filling in, altering, or piping of any vegetative conveyance shown on the approved plan. 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. II. 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 surface except roads. b. During construction, erosion shall be kept to a minimum and any eroded areas of the system will be repaired immediately. C. All connections into the stormwater system from future areas/outparcels shall be made such that short-circuiting of the system does not occur. �I State Stormwater Management Systems Permit No. SW8 960214 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 it's 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. 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. 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. 4. 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. 5. 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. "6. 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. State Stormwater Management Systems Permit No. SW8 960214 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. Permit issued this the 8th day of May, 1996. 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 960214 7 Lauren Place Townhomes Stormwater Permit No. SW8 960214 New Hanover County Engineer's Certification I, North Carolina, project, State Stormwater Management Systems Permit No. SW8 960214 , as a duly registered Professional Engineer in the State of 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. Noted deviations from approved plans and specification: Signature Registration Number Date : NORTH CAROLINA STORMWATER MANAGEMENT PERMIT APPLICATION 1. GENERAL, INFORMATION 1. Project Name Lauren Place Tbwnhomss 2. Location, directions to project (include County, Address, State Road) Attach map. Located on Enterprise Drive between Northchase Parkwa W & Northehase Parkway SE in Cape Fear Township iw banover County. - Owner's Name Eastwood Developers, LLC Phone 910-799-5264 4.Owner's Mailing Address P. 0. Box 5610 City Wilmington State N. C. Zip_ 28403 S. Application date Fee enclosed $ 385.00 6. Nearest Receiving Stream Ness Creek/Smith Creek/Cape Fear Class C Sw River 7. Projectdescription This is 8 townhouse pro iect consisting of 62 two bad -room uni+sa II. PER LIT (INFORMATION 1. Permit No.rrobefawinbyDFJw) 5) F %,PU 2 2. Permit Type x New Renewal Modification (existing Permit No.) 3. Project Type: Low Density x Detention Infiltration Other: Redevelop General Dir Cart 4. Other State/Federal Permits/Approvals Required lauek appmpri w CAMA Major Sedimentation/Erosion Control x 404 Permit III. BUILT UPON AREA (Please sse Ncac 2H.lou Am .wjor applicable dr" &du) Drainage DrainaPe Breakdown of Impervious Area Pond Pon (Please indioare below die design impervious area) Pond # 1 Pond # 2 Classification C 8w C Sw Buildings 189910 54.485 Allowable Impervious Area -26#667 sq. ft. 73.834 sa. ft. Streets Total Project Area 87.556 Pia:. ft. 246,11�. ft. Parking/SW 219289 61.851 Proposed Impervious Area 40•199 sq. ft. 116.336 sq. ft. Oder % Impervious Area 46% 47% Totals4o,1 1 i l;, -336 IW STORMWATER TREATMENT peseribe bow sow nmff will be rrmsed) Stormwater is collected and discharged into two ponds. 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, Mark L. Maynard certify that the information included on this permit (Please 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 the requirements of 15A NCAC 2H.1000. I authorize the below named person or firm to submit stormwater plans on my behalf. lv L'/I Owner/Authorized Agent Signature and Tie Date VII. AGENT AUTHORIZATION (musr BE cotirpum) Person or firm name J. Ward Andrews, P. Be Mailing Address P. 0. Boar 4423 City Wilmington State N. C. Zip 28406 Phone 910-392-4404 Please submit application, fee, plans and calculations to the appropriate Regional Office. cc: Applicant/WiRO//Central Files Offic nm STOR ER p E C E f V FEB 191996 D D PROJ # Z POND MAMENANCE REQUIREMENTS Project Name: Lauren Place Townhomes Project No. "5W 1 240214 Responsible Party: Eastwood Developers, LLC Phone No. 91Q-799-5264 Address: P. 0. Box 5601, Wilmington, L C. 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. U. 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 cleaned 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. D E C E I V E FEB 191996 D D E M PROJ # POND MAIN MANCE REQ PAGE 2 IV. General: A. Mowing of the side slopes will be accomplished according to the season. Maximum grass height will be G". 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 clogging. 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. If previously approved components are determined to be ineffective, the component must be redesigned and/or replaced. V. Special Requirements: I, Lauren Place Home Omwrs Association , hereby acknowledge that I am the financially responsible party for maintenance of this detention pond. I will perform the maintenance as outlined above, as pats of the Certification of Compliance with Stormwater Regulations received for this project. Maynard, President County of personally appeared before due execution of dk, fore allotary Public rthe of , do hereby ' y that this day of , 1 , anda6knowledge the instrument. Wi my d oTf / ,SEAL My co r 'siion expires DA/arl: S:\WQS\STORMWAIIFORMSIO&M-POND.FOR 1J.16/co /aFoo:s a a r Gr) A/aC',- ��- Aced _ - f ✓I d f/ — --- 9�t�1f1pia11yNIf• 2,401 1371 97, S%*4 -4a, �45► _ �7, -3r ---- 4f 713 S' 7 X L - I�� --- ___ _ -Q� G/ = D�s'� x7z37.8T CA, i E C E f D PROJ # f a.: S�m1rrnIP,/4/c w �a/e-v /a �b•15 arc zj & 3 �a II -a - 17, 93 n USG a d. 4fo to a a &,IL Crr, n fir; fJ -- 'Z, o Q7 1-7 9) _ ._ - !.; 8 ?� S_ � G�� _0 _ L -�8 .�.. � 13 S S ` dil. • /��'�� � d�✓� l/ate � ��C�e � T s�-2 — 4 A Kd - - —� y S j----�- i 4 ,•lc $Ir+tS n✓1�y d C4� �, D US. n l.o AA txaj r -- If / J J 1 e ekoc/Qd %f!. . �/} 1. T r /,, 05e- Hoed 4D 'K /iS` a.12../ %vcl p P-i L q.5 may 7 78 X ZI/1_, .T0Z L/ 7,838 sq. ;t�rymI c � to k, It dl - C✓'� � : - s ec_�1' o r! a � a rra o� rs ��I L� �. r4� �_�/!v,"%7't�i o✓llrf GGGCrC'•rd�/`O✓) �3z. G�liec..l a / = tom'. o, G ,,doh®� z �c'3z,z x..�/s" - D.� .,b� a�r$r k f, 7s-sm f� - 37S'� gala s� Ie¢��Z ors �4,3x i' « | Fz V_ �u LY, -- ---'-- --- ?------- - '-- -'----- -- ||' ---'------ --'----- -- -------- |'| � ' -- -- - �----- T |i| auN. State of North Carolina Department of E Yvirerment, Health, and Naturall Wilmington Regional office James B. Hunt, Jr. DIVISION OF ENVIRONMENTAL MANAGEMENT Governor WATER QUALITY SECTION March 6, 1996 Mr. Ward Andrews, P.E. Post Office Box 4423 Wilmington, North Carolina 28406 Dear Mr. Andrews: Resources Jonathan B. Howes Secretary Subject: ADDITIONAL INFORMATION Stormwater Project No. SW8 960214 Lauren Place Townhomes New Hanover County The Wilmington Regional Office received a Stormwater Management Permit Application for Lauren Place Townhomes on February 14, 1996. A preliminary review of that information has determined that the application is not complete. The following information is needed to continue the stormwater review: V 1. Please note the 6:1 side slope requirement for the vegetated shelf on the details. ti '1 2 2. Please provide a typical, dimensioned footprint of the buildings, and also indicate if the 24' �V( driveway width is to the face of the curb or to the back of the curb. f 3. Please provide a flume detail. L/4. Please show your calculations of the volume provided in the pond based on the surface areas provided at the permanent pool and design storage contours. /5. The calculation sheet for Pond 2 orifice is missing. 6. Pond 1 orifice of 3/4" is too small to draw down the volume provided in the pond. Please repeat your calculation using the actual volume provided in the pond. ✓ 7. Please delineate the drainage area to each pond. 127 Cardinal Drive Extension, Wilmington, N.C. 28405-3945 • Telephone 910-395-3900 • Fax 910-350-2004 An Equal Opportunity Affirmative Action Employer Mr. Andrews March 6, 1996 Stormwater Project No. SW8 960214 Please note that this request for additional information is in response to a preliminary review. The requested information should be received by this Office prior to April 6, 1996, or the application will be returned as incomplete. The return of a project will necessitate resubmittal of all required items, including the application fee. If you have any questions concerning this matter please feel free to call me at (910) 395-3900. Sincerely, Ms. Linda Lewis Environmental Engineer DA/arl: S:\WQS\STORMWAT\ADDINFO\960214.MAR cc: Linda Lewis Central Files State of North Carolina Department of Environment, Health, and Natural Resources Wilmington Regional. Office James B. F zimt, it. :GIVISION OF ENVIRONMENTAL MANAGEMMWT Jonathan 11 :Kav-_: Governor WATER QUALITY SECTION Secretary January 30, 1996 Mr. Mark Maynard Eastwood Developers Post Office Box 5601 Wilmington, North Carolina 28403 Subject: REQUEST FOR STORMWATER MANAGEMENT PERMIT APPLICATION NorthChase-McGregor Terrace Townhomes New Hanover County Dear Mr. Maynard: On January 29, 1996, the Wilmington Regional Office received a copy of the Sedimentation and Erosion Control Plan for NorthChase-McGregor Terrace Townhomes. As of this date, however, we have not received a Stormwater Management Permit Application, fee and a proposal regarding stormwater management for the subject project. Please be aware that any site which requires either a Sedimentation and Erosion Control Plan permit and/or a CAMA major permit will also require a stormwater management permit by the Division of Environmental Management. Any construction on the subject site, prior to receipt of the required permit, will constitute a violation of 15A NCAC 2-4.1 100 and will result in appropriate enforcement action by this Office. A Stormwater Permit Application Package or information regarding the status of this project and the expected submittal date must be received by this Office no later than March 1, 1996, or the subject project file will be closed and construction may experience a subsequent delay. If you have any questions, please call me at (910)-395-3900. Sincerely, Linda Lewis Environmental Fngineer DA/arl: S:\WQS\STORMW,,.T\STORMSUB\MCGREGOR.JAN cc: Alan Golden, New Hanover County Inspections Ward Andrews, P.E. Linda Lewis 127 Cardinal Drive Et ens:on, `Wilmington, N.C. 28405 3845 • Telephone 910-395-3900 0 Fax 910-350-2004 An Equal Opportunity Affirmative Action Employer ENGINEERING & FACILITIES APPLICATION FOR PERMIT FOR A LAND -DISTURBING ACTIVITY UNDER THE CONDITIONS SET -FORTH BY THE NEW HANOVER COUNTY SOIL EROSION AND SEDIMENTATION CONTROL ORDINANCE File Numbei ' Z-0 O Fee Paid I / Date I 11 Applicant: E-bS •Twcxob (�'C\!F-L D(RS WC -Applicant's Agent: Cj4(1 P_v cI�_) Address: PC Address: ((4-,Wat&_c> Q L,uyo W��.���C �o� NC 2�3a1e, _ti((�,� ��C�Tb►J i.�� . 2��I Telephone Number: S(c3�299--52-,4 Telephone Number: c3(� i.CK�E4 Total Acres of Land Disturbance: 7:��' Purpose of Development: Location and Description of Land Disturbance: EAj 7102peiSe _bpfVe y fj o ,C Approximate Start Up Date:f /I /.,j�� Approximate Completion Date: 12 ytz STATEMENT OF FINANCIAL RESPONSIBILITY Land owner(s) of Record Name: Address�� 0V,� / Uy, lA ��✓;�fOt,� C `2 �?Vd Telephone Number:_ �2/ 7 5Z4el Person or firm(s) financially responsible for the land -disturbing activity Name: Address;__�8�(� Telephone Number: Location of deed(s) or instrument(s): County County, Book Page Book Page The above information is true and correct to the best of my knowledge and belief and was provided by me while under oath. (This form must be signed by the financially responsible person if an individual and by an officer, director, partner, attorney -in -fact, or other person of authority to execute instruments for the financially responsible person if not an individual_) Date:_ r'3( 2"14-5 Name (Type or Print) Title: il'%iyLdLrL l7CIY�9t� Signature: