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HomeMy WebLinkAboutApplication Files_89666_pg0009 MEMORANDUM To: South Windsor Inland Wetland/Conservation Commission. From: Jeffrey H. Folger—Environmental Planner/Conservation Officer Date: July 3, 2013 Re: Appl. #13-23P Review of the proposed Amoun Pita parking lot expansion at 361-363 Pleasant Valley Rd. Plans dated 06/04/13 The project is to increase the existing parking and vehicle circulation on an existing industrial site. Stormwater is proposed to be discharged onto several retention/water quality basins,which will empty into the Podunk River. Proposed activity within the URA equals 14,200 sgft. Site: The site is located in the Podunk River watershed. The site is comprised of a lot totaling 1.5 acres, with approximately % acre used from the adjacent property to the east. The site slopes north to south with the bank of the Podunk River directly south of the property. The historical use of the site has been industrial. Two industrial buildings and one residential building are present on the site. An access drive is present along the entire eastern edge of the subject property from north to south and stops at the bank of the river. Another access drive is present along the adjacent property that parallels the subject piece. This drive went down to the river and crossed the river via two large culverts to access an old processing facility,long fallen into disuse. Surface runoff in the past was sheet flow along the access drive that goes the length of the lot directly into the Podunk, untreated. There are no regulated areas on the Amoun property. However, the application includes the Bottcello property to the east. This property does contain regulated areas, and these areas are within the URA of the Amoun property and immediately down slope as well. Regulated areas on the project site consist of the main stem of the Podunk River and its northern floodplain. This portion of the river contains meanders in the sandy soils present. The floodplain adjacent to the subject site ranges from 0 to 20 feet wide. The stream channel width averages 10 to 12 feet with a depth of 2 to 4 feet. The channel bottom is comprised of medium to fine sands. The streambed is active with sedimentation reacting to seasonal changes in flow. Wetlands on the site plan appear to be accurately identified. Major functions of these wetlands would be finfish and aquatic organism habitat, groundwater exfiltration, some nutrient/sediment trapping in the floodplain areas, wildlife habitat, streambank stabilization, and ecologic diversity.