Agenda - 03-29-2001-1 - Laserfiche WebLink

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~~ MEMORANDUM TO: County Commissioners John Link; County Manager FROM: Paul Thames, PE, County Enginee DATE: March 26, 2001 SUBJECT: Expansion of the Efland Sewer System to the area defined by the 1997 Bond Referendum As per your request, the following report/information is provided about an expansion of the Efland sewer system to the azea generally defined by the 1997 Bond Referendum. Bond Referendum-defined sewers stem and service area The bondrdefined sewer service area can be generally described in two ways: 1) it is the remaining (not constructed) portion of Phase I and the entirety of Phase II as defined by the existing Efland Sewer Master Plan (that has never been approved by any BOCC); or 2) it is that area of central Efland bordered by McGowan Creek on the north, the Efland Fire Station on the west, Southern Railroad on the south and, on the east, by the ridge line (perpendicular to US 70) just west of Lloyd's dairy. With one exception at the extreme eastern end, the service area shown an the attached map entitled "Proposed Efland Sewer System Bond Project" lies entirely within the existing 10- and 20-year transition azeas as defined by the Orange County Land Use. Plan mapping. That exception, several lots (with existing homes) along Gym Road served by a gravity collector main in Gym Road, lies with the Eno River/Seven Mile Creek watershed Critical area. The bond-defined system consists primarily of: ^ gravity sewer collector mains throughout .central. Efland along US 70 and side streets ^ an extension of the McGowan Creek interceptor from Efland-Cedar Grave Road to Brookhollow Road the main system pumping station relocated from Efland-Cedar Grave Road to Brookhollow Road ^ a small (low capacity) pumping station neaz the eastern end of the service azea ~~ The sewer system infrastructure, as proposed in the 1997 bond campaign; can provide gravity sewer service to all potential customers within the band-defined service area. As noted above, the topography of the service area does require that the main pumping station be relocated further east along McGowan Creek. Furthermore, another pumping station must be installed on the northern. side of Crabtree's mobile home park to allow gravity collection to be extended as far eastward as passible. As per the attached ESTIMATED PROJECT TIME LINE, it is estimated that the entire consultant solicitation, design, permitting, bidding, construction and project close-out process will take approximately 28 months to complete (approximately 6 years after the passage of the bond, if the project is initiated very shortly),