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HomeMy WebLinkAboutWater & Sewer Report e e VILLAGE OF WEST CLA Y -9004' Report on Water ,Distribution, Sanitary Sewer and Storm Sewer System 1. Water Distribution The potable water to the site will be provided by the City of Carmel Utilities. Connection onto the existing main will be made at the following location: . An 8" water main will be extended trom it's current location at four points along the perimeter of the site within existing sections 9005 and 9006 B of the Village of West Clay as well as the existing main built as offsite in 9006 B through the future Section 9007 to a point along the north side of 1365t street. The new 8" main will be stubbed to one dead end street within the project for future expansion. Approval for the extension of water mains will be required trom the Indiana Department of Environmental Management, and all mains will be designed and installed in accordance with the City of Carmel Utilities rules and regulations. 2. Sanitary Sewer Sanitary sewer effluent for the site will be accepted by the Clay Township Regional Waste District (CTRWD). A lift station is proposed along the Eastern boundary of the site which will pump effluent via a force main into the existing 18" interceptor located in Springmill Road. Two additional lift stations are proposed within the Village of WestClay to serve areas which cannot be served by gravity sewers. One will be placed within the common area located along Hoover Road, South of the Claridge Farm entrance. It will serve the Southern third of the project, and will pump North into the gravity system described above. The station is temporary in nature, and will be taken off line upon extension of the interceptor proposed to the South and East shown in the CTRWD's master plan. The second station is also temporary, and is located along the project's Westernmost boundary near 126th Street. The station will also pump to the gravity sewers to the East, and it serves the portion of the project located West of Towne Road. Proposed Section 9004 will connect to an existing 8" main located southwest of the intersection of Halifax Street and Fainnount Street in the existing section 9005. Approvals for the design and construction of the sanitary sewers must also be obtained, from CTRWD, it's consultant and trom the Indiana Department of Environmental Management. 3. Storm Sewer The surface runoff on the site will be conveyed by a system of swales and pipes to a network of retention lakes within the Village of WestClay. In accordance with the requirements of the Hamilton County Surveyor's requirements, the retention lakes will provide storm water management control in order to restrict the discharge rates onto the site's various outfall points. The discharge points for the site are as follows: . Elliot Creek; which traverses the site along the Northern third, then crosses 131 SI Street and leaves the site just East of the existing 8.5 acre lake on the Perez parcel. . Claridge Farms Legal Drain; which was sized per the County Surveyor's calculations, to accept a 146 acre drainage area that lies within the boundary of the Village of WestClay. Connection onto the Claridge Farm drain will be made at an existing 36" concrete pipe just South of the existing mound bordering the Perez property, and will address drainage problems evident at that location. . Clay Creek: Which traverses the site along the Southern third, then crosses Hoover Road near the proposed N : \ 1238\9004 \docs \SC wreprt. doc e e common area South of Claridge Farm entrance. . Brendle Legal Drain; which flows along the site 's Western boundary, then crossed 126th Street West of Towne Road. The connection point for the proposed section 9004 is to an existing 30" storm sewer located along the South side of Fairmount Street. It is the intent that all main storm sewer lines and all lines interconnecting lakes and serving as outlet points be petitioned to be accepted by the County Surveyor as regulated drains. A limited portion of the storm sewers that serve to drain rear and side yards may remain within the maintenance jurisdiction of the project's homeowner's association; however, most storm sewers and all retention lakes will be maintained by the County Surveyor. Subsurface drains, or pavement base drains, are proposed to be installed under the street curbs, in order to provide an outlet point to home sump pumps, and in order to intercept groundwater seepage before reaching and compromising the pavement stability. 4. Erosion Control During all phases of the construction the Site General Contractor and all Subcontractors shall exercise measures to prevent the erosion of soils due to the action of Water and wind. All erosion and sediment control measures shall be implemented prior to earth moving activities. Sediment in run-off water shall be trapped by the use of such methods as debris basins, siltation sumps and silt fences until the disturbed area is stabilized. These shall be in place before any land alterations/grading. Trapping devices shall be periodically, inspected during dry periods and after each rainfall event by the Site Contractor. Trapping devices shall be replaced if determined to be incapable of performing intended function of sediment trapping. The Contractor shall have available on the construction site a water source capable of applying water to dry exposed soil in order to prevent wind erosion. The application rate and manner shall be such that soil moisture is attained and no surface run-off is created. N:\ 123 8\9004\docs\sewreprt,doc