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HomeMy WebLinkAboutSW8961234_HISTORICAL FILE_19950811STORMWATER DIVISION CODING SHEET POST -CONSTRUCTION PERMITS PERMIT NO. SW8 9023y DOC TYPE ❑ CURRENT PERMIT ❑ APPROVED PLANS HISTORICAL FILE ❑ COMPLIANCE EVALUATION INSPECTION DOC DATE 60311 YYYYMMDD - _.�� A-•IA�N•un . •.• O Jf SrAlry� State of North Carolina Department of Environment, Health, and Natural Resources Wilmington Regional Office James B. Hunt, Jr., Governor DIVISION OF ENVIRONMENTAL MANAGEMENT Bob Jamieson Jonathan B. Howes, Secretary WATER QUALITY SECTION , Regional Manager August 11, 1995 Mr. Joe Hearne Kure Beach Associates 637 Fort Fisher Avenue N. Kure Beach, North Carolina 28409 Subject: CERTIFICATION OF COMPLIANCE with Stormwater Regulations Stormwater Project No. SW8 950709 Kure Dunes - Phase III New Hanover County Dear Mr. Hearne: This Certification is pursuant to the application for Kure Dunes - Phase III received on July 21, 1995. Staff review of the project plans and specifications has determined that the stormwater control system as proposed for Kure Dunes - Phase III will comply with the Stormwater Regulations set forth in Title 15A NCAC 2H.1003(i). The runoff from 380,714.4 square feet will be treated in a detention pond sized to achieve 90% reduction in Total Suspended Solids. Any modification of the plans submitted to and approved by this Office or further development of this site regardless of the fact that the modification may be less than 1 acre, will require an additional Stormwater Submittal/Modification and approval prior to initiation of construction. Modifications include but are not limited to; project name changes, transfer of ownership, redesign of built -upon surfaces, addition of built -upon surfaces, redesign or further subdivision of the project area. This Certification shall be effective from the date of issuance until rescinded. The project shall be constructed and maintained in accordance with the plans and specifications approved by the Wilmington Regional Office. This Certification does not supersede any other permit or approval. The developer is responsible for obtaining any and all permits and approvals necessary for the development of this project. This could include the Division of Coastal Management under CAMA requirements, the Division of Environmental Management under Wetland 401 Water Quality Certification and/or a Dredge and Fill Permit and/or a Sewer Extension/Collection Permit, U.S. Army Corps of Engineers 404 Wetland Permit, NPDES Stormwater Permit if disturbing five acres or more, local County or Town Agency permits under their local ordinances, or others that may be inquired. 127 Cardinal Drive Extension, Wilmington, N.C. 28405-3845 • Telephone 910-395-3900 • Fax 910-350-2004 An Equal opportunity Affirmative Action Employer Mr. Hearne August 11, 1995 Stormwater Project No. SW8 950709 A professional engineer must certify that the stormwater system has been installed in accordance with the approved plans and specifications upon completion of construction. The attached certification should be received by this Office within 30 days of completion of construction. The detention pond must be constructed in it's entirety, operational for it's intended use, and permanently vegetated prior to the construction of any impervious surfaces proposed as a part of the project, except roads. 3900. If you have any questions concerning this matter, please call Mr. Greg Stutts or me at (910) 395- Sincerely, Dave Adkins Water Quality Supervisor DA/ges: S:\WQS\STORMWAT\CERTIFIC\950709.AUG cc: Daniel E. Dawson, P.E., Dawson Engineering Alan Golden, New Hanover County Inspections Bradley Bennett Beth Easley, New Hanover County Greg Stutts Wilmington Regional Office Central Files DIVISION OF ENVIRONMENTAL MANAGEMENT PROJECT DATA Project Name: Project Number: Location: Applicant: Mailing Address: Submittal 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: Offsite Area entering Pond: Green Area entering Pond: Required Surface Area: Provided Surface Area: Required Storage Volume: Provided Storage Volume: Temporary Storage Elevation: Controlling Orifice Type/Diameter: Kure Dunes = Phase III SW8 950709 New Hanover County Mr. Joe Hearne Kure Beach Associates 637 Fort Fisher Avenue N. Kure Beach, North Carolina 28409 July 21, 1995 Cape Fear River "SC" N/A 8.0 feet 19.0 MSL 380,714.4 square feet square feet 74,052 square feet 131,551 square feet 13,319 square feet 14,300 square feet 35,211 cubic feet 38,258 cubic feet 21.3 MSL 2.5" pipe WET DETENTION POND EVALUATION 1. Yes No The design storage is for the runoff from all impervious surfaces resulting from 1-inch of rainfall and is located above the permanent pool. 2. Yes No The permanent pool is designed for 90 % total suspended solid (TSS) removal. Therefore, no vegetative filter is required. 3. Yes No The runoff completely draws down to the permanent pool in 5 days, but not less than 2 days. 4. Yes No The mean depth of the permanent pool is a minimum of 3 feet. 5. Yes No The inlet structure is designed to minimize turbulence and short circuiting. 6. Yes No An appropriate operation and maintenance plan has been provided for the system. 7. Yes No THIS PROJECT MEETS THE STORMWATER CONTROL REQUIREMENTS OF 15A NCAC 2H.1003 (g), (i), (k), and (1) (For Yes, 1 through 7 must all be highlighted Yes.) Brief Explanation: This detention pond is designed to remove 90% total suspended solids without the aide of a vegetative filter. DIVISION OF ENVIRONMENTAL MANAGEMENT SIGN -OFF Wilmington Regional Office v 1425Ae Date Individu valuating Form/Plans u) 2 Date ona ater Quality Supervisor cc: Applicant/Bradley Bennett/ges/WiRO/CF Kure Dunes Phase III New Hanover County Stormwater Project No. SW8 950709 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. Signature Registration Number Date DIVISION OF ENVIRONMENTAL MANAGEMENT DENSrIY ENGINEERED X PROJECT DATA Project Name Phase 3, Kure Dunes Location (County, Township/Municipality, Address, State Road) New Hanover County Kure Beach, North Carolina Owner's Name Kure Beach Associates MailingAddress 637 Fort Fisher 'Avenue N. Kure Beach, North Carolina 28409 Phone Number (91 0) 4 5 8- 4 0 4 6 Submittal Date Brief Description (include map and appropriate drawings) _44-Lot single and multi -family subdiviGinn Name of Water Body Receiving Stormwater Runoff Cape Fear River Classification of Water Body SC If SA waters, engineered system, and distance is <0.5 miles, attach report of chloride sampling results mg/I State/Federal Permits/Approvals Required (Check appropriate blanks) CAMA 404 Pei Other ( Major CALCULATION OF BUILT UPON AREA Sedimentation/Erosion Control X DEM/DHS Sewage Disposal Built upon area means that portion of a development that is covered by impervious or partially pervious cover including buildings, pavement, recreation facilities, gravel, etc., but not including wood decking. If the project includes areas draining to different water classifications, please note them separately below. Subwatershed Subwatershed Classification SC Built upon area total=243.580 SF rnaAc=44n7d SF Total Project Area 329,790 SF lots=44 2 4,534 SF/lot=199,506SF % Built upon Area 73.9% Allowable B/U Area 7 4.3 % Is the Project B/U Area 5 the Allowable B/U Area? no (If no, an engineered system is required.) % Built upon area - (built upon area / total project area) . 100 Built upon area limits for projects to meet density: SA waters — 25%, Other —30% STORMWATER COLLECTION SYSTEM Describe how the runoff will be treated existing detention pond Office use only JUL 2 1 1995 DEM eaoJ ��5U709 105455Mi71 Is the built upon area at least 30 feet from mean high water of all surface waters? YES If no, please provide a description (Note: Only boat ramps, public roads, public bridges, and walkways to water related facilities are allowed within 30 feet of the mean high water line if the project is intended to meet stormwater control requirements through density limits.) DEED RESTRICTIONS AND PROTECTIVE COVENANTS - By my signature below, I certify that the recorded deed restrictions and protective covenants'for this project shall limit the allowable built -upon area per lot to 4 , s't 4 square feet inclusive of right-of-way, structures, pavement, walkways or patios of brick, stone, or slate, not including wood decking, state that the covenants will be binding on all parties and persons claiming under them, that they will run with the land, and that benefits may be enforced by the State of North Carolina, therefore, the covenant cannot be changed or deleted without consent of the State. CERTIFICATION I, Toe x a n . a nP a partnar , certify that the information included on this submittal form is correct, that the project will be constructed in conformance with this information, and that to the best of my knowledge, the proposed project complies with the requirements of 15 NCAC 2H.1003 (b). I authorize the below named person or firm to submit stormwater plans on my behalf, and agree to abide by the deed restriction statement above. Ole �+•t a r1-i S -q5 Owne Signature Date . Provide authorized person or firm name and address below: DANIEL E. DAWSON, P.E. DAWSON ENGINEERING 3177 WRIGHTSVILLE AVENUE WILMINGTON, NC 28403 I, z4A-e`f-6 F DacJba allotary Public for the State of WlQkY'G- C°a.c.otac" County of .v Han" , do hereby certify that\, -16e_ ea ft„ e personally appeared before me this 5_ day of S ( , � 19-9-5—, and acknowledges the due execution of the foregoing instrument. Fitness my hand and official seal, [v X in � A l I/XCI�J My commission expires In-1g - � DIVISION OF ENVIRONNIENTAL MANAGEMENT SIGN -OFF Regional Office 995 Date U 4 kf Date cc: Applicant/WiROBradley Bennett/Central Files DAWSON ENGINEERING Engineering 3177 Wrightsville Avenue Land Planning Wilmington, NC 28403 Surveying (910) 762-4200 July 20, 1995 Ms. Linda Lewis N.C. Department of Environment, Health, and Natural Resources Water Quality Section 127 Cardinal Drive Extension Wilmington, NC 28405 Re: Stormwater Control Permit for Kure Dunes, Phase 3 New Hanover County Project No. 9430 Dear Ms. Lewis: Enclosed please find the original and two (2) copies of the completed stormwater application for the referenced project, one (1) copy of the drainage calculations, one (1) copy of the drainage worksheet DW-1, and three (3) copies of sheet C-1 entitled 'Erosion Control, Drainage, and Existing Topography.' We request NCDEM certification of compliance of this project with stormwater regulations. Thank you for your consideration of this request. If you need additional information please call. Very truly yours, DAWSON ENGINEERING Allo-x Howard Resnik, E.I.T. Encl.: As noted above. DAWSON ENGINEERING Engineering 3177 Wrightsville Avenue Land Planning Wilmington, NC 28403 Surveying (910) 7624200 DRAINAGE CALCULATIONS FOR KURE DUNES, PHASE 3 - Data used in these calculations was obtained from copies of documents dated December 2, 1992 which were provided by Linda Lewis and consisted of hand written calculations prepared by the DEM, Water Quality Section. The hand written calculations were performed to determine the capacity of the stormwater detention pond. The following calculations confirm that the existing stormwater detention pond is capable of treating the stormwater runoff from Kure Dunes, Phase 3. FROM INFORMATION PROVIDED BY DEM: ALLOWABLE IMPERVIOUS AREA FOR PHASE 3 (ROADS ONLY): = 0.5 + 0.4 = 0.9 ACRES ALLOWABLE SITE IMPERVIOUS AREA (EXCLUDING ROADS): = 0.7 [( 4.6 - 0.5 ) + ( 3 - 0.4 )] = 4.69 ACRES TOTAL ALLOWABLE IMPERVIOUS AREA: = 4.69 + 0.9 = 5.59 ACRES % BUILT UPON AREA = 74.3% PHASE 3 AS PROPOSED BY DAWSON ENGINEERING TOTAL PROJECT AREA (SUBDIVISION ROADS AND LOT AREAS): = 329,790 SF = 7.57 ACRES (SEE SHEET DW-l) PROPOSED IMPERVIOUS AREA (ROADS AND CURBING): = 44,074 SF = 1.01 ACRES (SEE SHEET DW-I) PROJECT: KURE DUNES, PHASE 3 SUBJECT: DRAINAGE CALCULATIONS JOB NO.: 9430 PREPARED BY:_LSjL_ DATE: 77LZA-CHECKED BY: W DATE: -114fr PAGE NO I OF Z DAWSON ENGINEERING Engineering 3177 Wrightsville Avenue Land Planning Wilmington, NC 28403 Surveying (910) 7624200 - Only 0.9 acres were set aside for roads in Phase 3 development. We have proposed 1.01 acres. Therefore, the amount of impervious area set aside for the lots (4.69 acres) must be adjusted. TOTAL AREA PROVIDED BY DEM LESS PROPOSED PHASE 3 ROAD AREA: 5.59 1.01 = 4.58 ACRES OF IMPERVIOUS SURFACE ALLOWED FOR LOTS = 199,506 SF BUILT UPON AREA PER LOT: 199,506 SF / 44 LOTS = 4,534 SF / LOT IMPERVIOUS SURFACE TOTAL BUILT UPON AREA: 199,506 + 44,074 = 243,580 SF TOTAL BUILT UPON AREA TOTAL % BUILT UPON AREA: = 243,580 / 329,790 = 73.9% - The document obtained from the DEM stated that 74.3% impervious surface was allowed for Phase 3. We are proposing 73.9% which is acceptable since it is less than 74.3%. syp .:02 '+ 4 E. NDF PROJECT: KURE DUNES, PHASE 3 SUBJECT: DRAINAGE CALCULATIONS JOB NO.: 9430 PREPARED BY:&&_ DATE: 2L4 iCHECKED BY: D" DATE: 7 PAGE NO?- OF N _TOTAL I PROJECT ARTA= �299 �I//I a- 7 I,� fy, • , ,i_ Pr_v_� is f�l/' ��- N0. I DATE DESCRIPTION REVISIONS ProjeDAWSON ENGINEERING 'Date: No.: IN do vrnwp owvorina Date: 7/13� POST OFFlCE BOX 42 Scale: 1"=1 WLMINGTON, N.C. 28402 Designed By (910) 762-4200 Checked Br. II 74 75 78 77 78 79 80 81 \ J ```►p1111IIIIIpII�'i DO?IOTIUSE SUC90N RECOR*TIQ C CE Off SALES BY vv��Yi_FNCINE A E BEACH ASSOCIA 637 FORT FISHER BLVD. KURE BEACH, NC (910) 458-4046 KURE DUNES West NO'` PHASE 3 DW_1 DRAINAGE WORKSHEET _ '�.t1Ll.VLt111'U'1\J 1JMA' t%A% i/ L'1 IILt1V1 (PROVIDED BY LINDA LEWIS rtx"r; LL /--- Volume oro✓,deo/ %ZGC�O 31c) sf e._++w�-_ --flre�- = 6(�,Sx ZdS.$ = 13�158s �lev.- Zl 3 OUflef Sh-UC five defa,'/ 5/xXs elev_ Zl. / os 1,,2Vi=- --- AWL l3/v t 1r39sS 2i, 3 as �iuJL 15 GK -. _ PUtiO—P/k A z.-7 7 D 1.7" Z. 5 " era v; did .......... i 22 4.1(o -31 -5-3 3 1.4 Fu t-e To 0 IS 7 i& f 4. (a 4- 3 '76, ac _TM-Pervi-ous Aeg &-+ .!S-f- -4 -t- 74-1(--.8 7. S' r74.3 $6 F , 774/ r74.3 7. )a/ x 7 19 o.lurne 1101, '*N 43ZO 0951 1.1155X.7cf 6� (i. & + 7.9 c 1 IN iL Ai8y2 na 717 This Instrument Drafted By: W. Talmage Jones, Esq. Tax Parcel No.: R09209-009-009-000 After Recording Nail To: Kure Beach Associates 2209 Century Drive, Suite 300 13 "m­ Raleigh, NC 28612 raa•rare a:araaarraaaa aaaaaaaaairrraaaaaaaaararrrrrrrarrrra•♦aaraa STATE OF NORTH CAROLINA ) ) DBHD DP RASBMBr'f COUNTY OF NEW HANOVER ) THIS DEED, made this the 7th day of February, 1995, by and between GULP STREAM DEVELOPERS, INC., a North Carolina Corpora- tion, (-Grantor"); and KURE BEACH ASSOCIATES, a North Carolina General Partnership, (^Grantee^); OW=3 W I T M E S S E T H THAT WHEREAS, said Grantor is the owner of the common areas and street rights of way shown on the Final Plat of Phase 1-B of The Keys at Kure Beach recorded in Map Book 34 Page 165 of the New Hanover County Registry; and WHEREAS, the Grantee is the owner of a certain tract of land immediately South of and adjoining the land of the Grantor; the same being the land conveyed to them by L 6 H INVESTMENTS by dead dated October 17, 1985, and recorded in Book 1305 at Page 1608 in the Office of the Register of Deeds for New Hanover County; and WHEREAS, said Grantee desires to drain the above referenced property into a lake located adjacent to and on the North of the Grantor's tract shown on Map Book 34 Page 165 of the aforesaid Registry; qpd :j VERIFIED !".i S7Z DOTS �P '..:....... R OF DEEDS Ni' r .`AHOVER 00. NO '95 FLO 7 PA 3 97 „ �uu a Lt)kot i S14'4` as -r �Fll k » 361272 ao-XI852 Mu M WHEREAS, it is necessary that in so doing that the Grantee lay a pipeline for said drainage across said lands of the Grantor O"nw flowing into said lake; NOW THEREFORE, said Grantor, for and in consideration of the a" of Ten Dollars, and other good and valuable consideration, to it in hand paid, does hereby grant, bargain, sell and convey unto said Grantee a perpetual right and easement to construct and maintain across and upon said land of Grantor an underground drainage line extending across said land of Grantor to the lake located adjacent to and on the North of Grantor's above described property said easement being described as follows: TRACT 1 A 10 foot drainage easement located along the entire western right of way line of Anchor Nay, a public street shown on a map entitled ^Pinal Plat Phase 1-B The Keys at Rure Beach" and recorded in Map Book 34 Page 165 of the New Hanover County Registry. The eastern line of said 100 foot easement is the western right of way line of said anchor way. Beginning at the point of intersection of the western line of Anchor Way with the southern line of Sloop Pointe Lane, said intersection being shown on a map of Phase 1-B The Keys at Kure Beach recorded in Map Book 34 at Page 165 of the New Hanover County Registry; running thence South 72 degrees 15 minutes 45 seconds west 10 feet to a point in the southern right of way line of Sloop Pointe Lane, running thence North 12 degrees 35 minutes 00 seconds West 57 feet more or less to a point in the northern right of way line of Sloop Pointe Lane said point being in the Southern line of a thirty foot drainage easement; running thence northwardly about 10 feet to a point in the northern right of way line of Sloop Pointe Lane that lies South 12 degrees 35 minutes 00 seconds East 57 feet more or less from the point of beginning, thence South 12 degrees 35 minutes 00 seconds East 57 feet more or less to the point of beginning. W aondO52 w pis TRACT IIT That tract described as -Drainage Easement" being thirty feet vide, lying North of Sloop Pointe Lane and being shown on a map of Phase 1-B The Keys at Kure Beach recorded in Map Book 34 Page 165 of the New Hanover County Registry. The Grantor hereby grants to the Grantee the right to go upon said lands whenever the same is reasonably necessary for the purpose of inspecting, maintaining and repairing said drain pipes, provided that in constructinq and repairing said line the Grantee will remove all surplus earth, make level the surface of the ground above said line and interfere as little as is reason- ably possible with any plants, fences, streets or other improve- ments upon the land of the Grantor. The Grantor for itself, its successors and assigns further covenants with the Grantee that in order to assure the full and complete use of this easement by Grantee, Grantor will (i) join with the Grantee in Grantee's application(s) for storm water management permits to the State of North Carolina, and/or any of its permitting agencies, (it) allow the Grantee full and complete access to the drainage pond for the purpose of doing any work, modifications or maintenance thereto required by the permitting agency as a condition of granting the storm water permit, and (lit) provide in its Homeowners Documents a method for assuring the maintenance of the pond including where applicable a joint maintenance agreement with Grantee in form acceptable to the State of North Carolina and its Permitting agencies. N waf.t852 out 720 To have and to hold said right and easement to it the Grantee, and its successors in title; it being agreed that these 0 "miy rights and this easement hereby granted is and &hall be appurte- nant to and run with the land now owned by the Grantee and hereinabove referred to. IN TESTIMONY WHEREOF, said Grantor has caused this Deed of Easement to be executed in its name by its duly authorized President and attested by its Secretary all an the day and year first above written. GULF STREAM DEVELOPERS, ATTE,T� �^ BY i 11 /4Y Mfefae4. OB WEINBACH_ own JAMES D. MILLER, Secr r (CORPORATE SEAL) l,ORPORArE STATE OF NORTH CAROLIL i 5 EAL COUNTY OF NEW HANOVER AN- 1, Susan P. Price a Notary Public in and for the County of New Hanover en [ate of North Carolina do hereby certify that lame, D. Miller personally appeared before me this day and acknowledged that hgdw is Secre- tary of GULF STREAM DEVELOPERS, INC., a North Carolina corpora- tion, and that by authority duly given and as the act of the corporation, the foregoing inetrument was duly signed in its name by its President, sealed with its corporate seal and attested by hi8fi9jjAR=mft an its _ Secretary. WITNESS my hand and notarial seal, this 7 day of February 1995. S(17C1ti I'. i/Ll (L NOTARY PUBLIC--�ueeo Pr ce My iommi96ion expires: ,•, i ": STATE OF N017HGROL.INA (SEAL) :... Nee H� County _ n ➢. Prl re sow.amMnbfrb/pkmWld a Manna. 116 ae]ra 614Pearuary n_IS_ ,,��rrb0.d.■ ddmb by 28 4