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Home My WebLink About1000-114.-7-15OFFICE LOCATION: Town Hall Annex 54375 State Route 25 Main Rd. & Youngs Ave. Southold, NY 11971 LOCAL WATERFRONT REVITALIZATION PROGRAM TOWN OF SOUTHOLD MAILING ADDRESS: P.O. Box 1179 Southold, NY 11971 Telephone: 631 765-1938 Fax: 631 765-3136 To: Jim King, President Town of Southold Board of Trustees From: Mark Terry, LWRP Coordinator Scott A. Hilary, LWRP Coordinator Date: May 19, 2009 Chapter 268, WATERFRONT CONSISTENCY REVIEW Administrative permit for GROUP FOR THE EAST END SCTM#114-7-15 Lillian Ball on behalf of GROUP FOR THE EAST END requests an Administrative Permit to create a vegetated swale using native plants and install 2,300 sq.fi, of recycled glass permeable pavement. Restore strip of spartina along ramp approx. 2'X 10' and stabilize with rock edge, and install three (3) signs. Located: Mattituck Inlet Ramp, Mattitack. SCTM#114-7-15 The proposed action has been reviewed to Chapter 268, Waterfront Consistency Review of the Town of Southold Town Code and the Local Waterfront Revitalization Program (LWRP) Policy Standards. Based upon the information provided on the LWRP Consistency Assessment Form submitted to this department, as well as the records available to us, it is our recommendation the proposed action is CONSISTENT with LWRP policies and therefore is CONSISTENT with the LWRP. Policy 5 Protect and improve water quality and supply in the Town of Southold. Policy 6 Protect and restore the quality and function of the Town of Southold's ecosystem. Policy 10 Protect Southold's water-dependent uses and promote siting of new waterdependent uses in suitable locations. The following Best Management Practice (BMP) is recommended: 1) Install a line of hay bales and silt fence seaward of the proposed action as an erosion control measure to retain runoff sediments during construction. Pursuant to Chapter 268, the Board of Trustees shall consider this recommendation in preparing its written determination regarding the consistency of the proposed action. Town of Southold LWRP CONSISTENCY ASSESSMENT FORM A. INSTRUCTIONS All applicants for permits* including Town of Southold agencies, shall complete this CCAF for proposed actions that are subject to the Town of Southold Waterfront Consistency Review Law. This assessment is intended to supplement other information used by a Town Of Southold agency in making a determination of consistency. *Except minor exempt actions including Building Permits and other ministerial permits not located within the Coastal Erosion Hazard Area. Before answering the questions in Section C, the preparer of this form should review the exempt · minor action list, policies and explanations of each policy contained in the Town of Southold Local Waterfront Revitalization Program. A proposed action will be evabmted as to its si~,onificam beneficial and adverse effects upon the coastal area (which includes all of Southold Town). If uny question in Section C on this form is answered "yes" or "no", then the proposed action will affect the achievement of the LWRP policy standards and conditions contained in the consistency review law. Thus~ each answer must be explained in detaii~ listing both supporting and non snooorting facts. If an action cannot be certified as consistent with the LWRP policy standards and conditions, it shall not be undertaken. A copy of the LWRP is available in the following places: online at the Town of Southold ' s website (southoldtown.northfork.net), the Board &Trustees Office, the Planning Department, all local libraries and the~Town Clerk's office. B. DESCRIPTION OF SITE AND PROPOSED ACTION SCTM# IIq - 15 PROJECT NAME The Application has been submitted to [check appropriate response): TownBoard ~ Planning Board ~ Building Dept. ~] BoardofTrustees 1. Category of Town of Southold agency action (check appropriate response): (a) Action undertaken directly by Town agency (e.g. capital construction, planning activity, agency regulation, land transaction) Co) Financial assistance (e.g. grunt, loan, subsidy) (c) Permit, approval, license, certification: Nature and extent of action: L4 Il b, t LOc~ition of action: Site acreage: Present land use: If an application for the proposed action has been filed with the Town of Southold agency, the following information shall be provided: (a) Name of applicant: (b) Mailing address: (c) Telephone number: Area Code (). (d) Application number, if any:. Will the action be directly undertaken, require funding, or approval by a state or federal agency? Yes ~ No ~ If yes, which state or federal agency?. C. Evaluate the project to the following policies by analyzing how the project will further support or not support the policies. Provide all proposed Best Management Practices that will further each policy. Incomplete answers will require that the form be returned for completion. DEVELOPED COAST POLICY Policy 1. Foster a pattern of development in the Town of Southold that enhances community character, preserves open space, makes efficient use of infrastructure, makes beneficial use of a coastal location, and minimizes adverse effects of development. See LWRP Section III - Policies; Page 2 for evaluation criteria. ~Yes [] No [] Not Applicable Attach additional sheets if necessary Policy 2. Protect and preserve historic and archaeological resources of the Town of Southold. See LWRP Section III - Policies Pages 3 through 6 for evaluation criteria Yes ~-] No ~ Not Applicable Attach additional sheets if necessary Policy 3. Enhance visual quality and protect scenic resources throughout the Town of Southold. Sec LWRP Section III - Policies Pages 6 through 7 for evaluation criteria Y. No [] Not Applieable Attach additional sheets if necessary NATURAL COAST POLICIES Policy 4. Minimize loss of life, structUres, and natural resources from flooding and erosion. See LWRP Section III -Policies Pages 8 through 16 for evaluation criteria ~ Yes ~-] No ~] Not Applicable Attach additional sheets if necessary Policy 5. ProteCt and improve water quality and supply in the Town of Southold. See LWRP Section HI - Policies Pages 16 through 21 for evaluation criteria ~/ . Yes [] No ~-~Not Applicable Attach additional sheets if necessary Policy 6. Protect and restore the quality and function of the Town of Southoid ecosystems including Significant Coastal Fish and Wildlife Habitats and wetlands. See LWRP Section III - Policies; Pages 22 through 32 for evaluation criteria. ,Yes No Not A ,icable Attach additional sheets if necessary Policy 7. Protect and improve air quality in the Town of Southold. See LWRP Section IH - Policies Pages 32 through 34 for evaluation criteria. ~-~ Yes ~ No'~ Not Applieable Attach additional sheets if necessary Policy 8. Minimize environmental degradation in Town of Southold from solid waste and hazardous substances and wastes. See LWRP Section III - Policies; Pages 34 through 38 for evaluation criteria. ~ Yes [--] No ~] Not Applicable PUBLIC COAST POLICIES Policy 9. Provide for public access to, and recreational use of, coastal waters, public lands, and public resources of the Town of Southold. See LWRP Section IH ' Policies; Pages 38 through 46 for evaluation criteria. "~ Yes~ No [--] Not Applicable Attach additional sheets if necessary .WORKING COAST POLIC. · Poli~:y 10. Protect Southold's water-dependent uses and promote siting of new water-dependent 'uses in suitable locations. See LWRP Section III- Policies; Pages 47 through 56 for evaluation criteria. ~ Yes ~-] No [] Not Applicable Attach additional sheets if necessary Policy 11. Promote sustainable use of living marine resources in Long Island Sound, the Peconic Estuary and Town waters. See LWRP Section III - Policies; Pages 57 through 62 for evaluation criteria. ~ Yes ~ No [] Not Applicable Attach additional sheets if necessary Policy 12. Protect agricultural lands in the Town of Southold. See LWRP Section III - Policies; Pages 62 through 65 for evaluation criteria. ~ Yes ~] NoG Not Applicable Attach additional sheets if necessaxy Policy 13. Promote appropriate use and development of energy and mineral resources. See LWRP Section III - Policies; Pages 65 through 68 for evaluation criteria. ~ Yes ~] No ~ Not Applicable PREPARED BY TITLE DATE [XCAV SERVICES INC Mattituck Park PROJECT CROSS SECTION - NOT TO SCALE SOUTH Elevation of top of weir -2" +/- highest point of boat ramp Shop Sketch NORTH ~.R 48 RCA ~. PEARMEABLE PAVEMENTs. l' UNDISTRUBED ~....,~..,,...~..,.,,~,..,,,,,..... ........ ...,,,. ............................. ,. ___L.~ PHRAGMITIES --~.1~' SPARTINA --~ ~ ..... '.'.'. '.'. SWALE AVEMENT ........ ..... ~ GEOT~TILE . .',',','r ,'.'.'.'.'.'.;~.'.'.'.'"'"'"'"' IR NOT TO SCALE IN SWALE . ~ - UNDISTURBED Confidential 2/5/2009 Page 1 PO Box409 Wading River NY 11792 Mattituck Park Shop Sketch Detail of swale weir ~e -\/ ~/--\/ $ V STAKE Page 1 Confidential 215/2009 _vccav Services Inc. PO Box 409 Wading River NY 11792 Mattituck Park Water Wash Porous pavement surface area Water Quality Volume WQv = (P) Rv A / 12 P = Rainfall # 90% =.9 Rv = Formula x % of impervious area A = Area Draining to pavement WQv = 914,76 Cubic Feet Then Porous pavement SA Ap = WQv/(nxdt) n = Assumed gravel bed porosity of ,4 Dt = Gravel bed reservoir depth of 1 foot Enter valu{ Total 0.9 80 0.77 15840 0.4 See guide 1 Depth in feet 18150 total sf- 2310 new pavement Therefore 2286.9 SF is surface area reauired with 1 Foot qravel bed Swale Capacity Treatment and storage for one year (2") event: Considering total volume of 18150 SF times two inches rainfall less volume covered by permeable pavement (18150',166)/2 = 1506 CUFT roughly a volume of 1500 CF Swale equivalent to 60 feet by 12 feet by 2 feet deep. Weir 10 year storm 5" rainfall = .415 feet therefore 1850'.415 = 7532,25 CUFT / 24 hours = 313 GPM flow over we~r. Groove sizing to allow 313 GPM of flow at 112 capacity over 70 feet length Francis Formula: Cu ft/sec water =3.33(w-.2H)H to the 1.5 power There fore: ENTER in Feet Height 0.15 E×P 0.058095 Width 0.2 Cu fi/sec 0.019346 US GPM 8.898954 Total number of grooves = 64 ~ 3" ht and 2 inches wide total area TOTAL GPM 569.533 NOTE: Height of top wier 1" over top ramp theref.o, re surplus ramp area flow capacity yeilds: Ramp 10' wide Height 0.1 EXP 0.031623 Width 10 Cu fi/sec 1.031978 US GPM 474.7097 Additional flow in 10+ storm events ,ccav Services Inc. PO Box 409 Wading River NY 11792 Project Name & Location Date & Time Started: 12/27/08 11:15 MATTITUCK WATERWASH rate & Time Completed: 12/27/08 11.45, APPRO× LOW TIDE Robert Governale Elevation 5.9 +/- DEPTH ~OIL DESCRIPTION (ft below grade) 0 Rich organic topsoil to 8" below grade 1 ~ medium tan sand trace silt 2 Same as above. 3 Same as above. 4 4.2' gray sand and gravel moist 5 4.8' l~roundwater ~a~' course sand with gavel END TEST HOLE 9 / / .ture sheet 3 24" RCP End ~ection x\ \\ W.Inv=4,3§ E.Inv=4.87 N.E.lnv=4.59