Agenda - 08-15-1983 - Laserfiche WebLink

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MEMORANDUM TO: Board Members FROM: County Manager DATE: June 27, 1983 RE: AlterhatiVeS for Solving the Efland Elementary School and Efland Estates Sewer Problems (Revised following the 6/23/83 meeting With the Orange County School Board and Town of Hillsborough) Work 'had progressed through May to arrange financing for Efland Estates - sewer relief: when it was learned that the package treatment plant of the Efland Elementory, School Was malfunctioning to the pointAt would need to be replaced. Since both the subdivision and school are contiguous to one another it seemed beneficial to try to solve the problems through a joint'project. The following outlines how thi might be accomplished in so far as cost of on-site treatment. 'Si2e and LOCation , Combined flow from the subdivision and school would be 22,600 gallons per day (GPD) which is within the County ,(20,000 GPD) and School (10,000 GPD) discharge permits, were they combined, (16,400 GPD) of thit is attributable to the 26 houses, 7,200 to the 18 lots and 5,000 UD to the School. Alternative 1 , Collection and On-Site Treatment Through a County Package Plant 'Cost - Estimated expenditure would vary as to the scope of the project. Shown below are five configurations. A plant, on site to treat the combined flow would need to be loCated to thenorth of the subdivision and school on one to two acres of land. 'OravitY would enable waste water to flow to the plant without pumping. Repair Existing 26 Houses Plant Plus 16 26 Houses for School 26,Houses Undeveloped 18 Lots, 26 Houses, JAIOne —Aleme —Las ' PlOs School Plus School On Site Collection 88,126 93,120 93,120 88,120 System Outfall to the 0 0 0 15,000 15,000 Treatment Plant Treatment. Plant 35,500 48,000 84,000 57,000 Engineering , 13,500 13,500 13,500 13,500 Contingencies 10,000 -- 10,000 10,000 10,000