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Home My WebLink AboutMARCUCCI, DANIELFRANK A. KUJAWSKI, JR., President ALBERT J. KRUPSKI, JR., Vice-President JOHN M. BREDEMEYER, III JOHN L. BEDNOSKI, JR. HENRY P. SMITH BOARD OF TOWN TRUSTEES TOWN OF SOUTHOLD Town Hall, 53095 Main Road P.O. Box 728 Southold, New York 11971 TO: FROM: DATE: RE: Planning Board Frank Kujawski,Jr. Board of Trustees December 15, 1988 North Ridge subdivision- Daniel Marcucci TELEPHONE (516) 765-1892 The above mentioned property was inspected on December 15, 1988 by John Bredemeyer and found to be out of the Trustees jurisdiction. Parcel is vegetated only with upland plant species. FAK: jas Town Hall, 53095 Main Road P.O. Bo~ I 179 Southold, Ne% York 11971 TELEPHONE PLANNING BOARD OFFICE TOWN OF SOUTHOLD TO: SOuthold Town Trustees FROM: S0uth01d Town Pla~ing Board ,3/ Daniel Marcucci SCTM~ 1000-18~2-34 DATE: Noveanber 15, 1988 Enclosed please find a map for the above mentioned-subdivision. A review by the Soil'and Water Conservation District found that Lot Number 9 contains a fairly large depressional arear which is indicated on the soil map by a symbol signifying a "wet spot.u Please review site and refer any comments to this office. SOIL AND WATER CONSERVATION DISTRICT COI.)~iTY OF SUFFOLK PATRICK G. HALPIN SUFFOLK COUNTY EXECUTIVE September 29, 1988 Mr. Bennett Orlowski, Jr. Chairman - Planning Board Town of Southold P.O. Box 1179 Southold, New York 11971 Dear Mr. Orlowski: As per your request we have reviewed the map of DANIEL MARCUCCI SCTM #1000-18-2-34 and have also conducted $ site mnspection. As a result of our review and site inspection we have found items which the Planning Board should be aware of. These items include potential problems associated with soils, surface water runoff, storage capacities and swale construction. Soils on the site are mapped as Haven loam with 0-2 percent slopes and Montauk fine sandy loam with 3-8 percent slopes. Soil borings on site confirmed the mapping. Haven loam soil comprises the open space area while Montauk fine sandy loam ms located solely in the proposed development area. Potential problems can arise from development on Montauk soils due to the presence of a fragipan. Soil borings found fragipans rangmng in depth from 40 to 60 inches. The published Soil Survey o~ Suffolk County cites Montauk soils as having severe limitations or limitations which are difficult to overcome in regard to s~wage disposal fields, due to moderately slow permeability. Lot Nu~£oer 9 was found to contain a fairly large depresszcna! arsa which is in- dicated on the attached soil map by a symbol signifying a "wet spot." This wet spot could be cassed by a fragipan Chose to surface and/or from concentration of storm water surface runoff. As indicated on the preliminary map, there is natural drainage-way flowing through Lots 7-9. During the site inspection the drainage-way was found to be m steep-sided gully. This gully does not appear be actively eroding; however, it appears no still convey storm water surface runoff and is fairly deep. In reference to surface water runoff, calculations on Sheet 2 of 2 indicate that the contributing watershed is 21.95 acres and that 1.5 inches of surface runoff would be produced from a 6 inch, 24 hour rainfall. A value of approxi- mately 1.5 inches of runoff would be correct for this watershed if all of the soils had low runoff potential and high infiltration rates, such as found on excessively drained sands or gravels. However, soils in this watershed are moderately well to well drained with moderate infiltration ranes in the open space area and the proposed developed area soils have low infiltration fanes Mr. Bennett Orlowski, Jr. - 2 - September 29, 1988 and a layer that impedes downward movement of water. Consequently, the runoff from these types of soils will be much greater. Our calculations indicate that approximately 3.5 inches of runoff could be expected from a 6 inch, 24 hour rain- fall event on this watershed. Due to the greater depth of surface water r~noff, the volume of runoff water to be stored is significantly larger. We estimate the required volume of runoff water to be 246,300 cubic feet, approximately 106% greater than indicated on Sheet 2 of 2. As indicated on Sheet 2 of 2, the volume of storage provided in the "drainage are~' was calculated at 133,400 C.F.~ Our calculations estimatsd this storage volume~slightly greater; however, the proposed storage volume provided in the "drainage area" would have to be almost doubled to contain the runoff from a 6 inch rainfall. A remaining area of concern relates to construction and maintenance of the pro- posed grass swales along the roadway. The proposed size and configuration of the swales should ba adequate to convey storm water runoff without causing any soil erosion within the swale or depositing sediment in the infiltration area. However, there is no mention of how water flows in the swale will pass through swale crossings such as house lot driveways or access points to the open space. In addition, since the swales will periodically contain high peak flows of runoff water, requirements for establishment and maintenance of specific turf grasses should be specified. Lack of or poor vegetative cover within the swales could result in soil erosion and sedimentation of the recharge area. The plam indicates that the swale on the southern side of the road is discon- tinuous from Stations 7+75 - 10+40. Since the swale contains a concentrated flow of water, soil erosion could occur if this water left the swale. Due to the existing topography, water leaving the swale would flow onto the adjoining property to the south. I hope this information will be useful to you. If you require any additional information, please do no[ hesitate to contact our office. Respectfully, Thomas J. McMahon, Senior District Technician .5, "7 L~ODNP x 2;5.1 30 ¸ P'afri~ c0 IT~ IPATA X 550 R~h~rd or formerly A eleanor d. T~T IAOLB DENSE 54 2 // noivr forr~erly J,:,h~"' F Krepp~Jn · {ormerly // no~' or formerly \Vi lam e./~ ne J. SChmidt // ' ~ vi. Lyons x, P'I~¢LI N I i1A1~¥ c~U bF'IVI~ I klOETFI E IPOb AT ORI CNT '~IJF'POLK GOLdNT'f , OCT I 4 1988 F'~OPILI~ KOA D\VAT P~OPIL~ I( OA 12 WAY D~'AINAGD OALOU LATIOND DEAINAGD ARDA PRDLI M I NIAR¥ NOI~TH I~IPGI: ~TATD~ AT 0~1DKIT TOWN OP ~OI4TdOLI~