Agenda - Council - 05/13/2003 - Laserfiche WebLink

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dry wells and percolate into the gound water after the precipitation event. The runoff to the east, south, and west appears to be causing little problems. However, the flow to the northern drywells pond for a period of days following significant rain events. Proposed Improvements It is proposed that a ten inch sanitary sewer be extended to the site from the manhole located approximately 100 feet west of Sunfish Lake Boulevard within the Sunfish Commons convenience s trip'm all. T he alignment o f t he se wer t brough t he s trip mall would follow the centertine of a forty-foot wide frontage road proposed to nm adjacent to the south right-of-way boundary of the Burlin~on Northern and Santa Fe railroad. Once within the Oak Terrace subdivision the sanitary sewer would continue westward along the private roadway between the railroad r ight-of-way and t he northernmost t railer u n/ts. Two additional sanitary sewer trunk lines would be extended to the south and the southwest to service the office/laundry and six units adjacent to Highway 10, and the western most trailer units. The proposed sanitary sewer system is illustrated in Figure 3. It should be noted that the two laundries at the east and west ends of the park are intended to be abandoned at the time sanitary sewer service is available to Oak Terrace and will not be connected to the proposed sanitary sewer. These laundries will no longerbe required since wash machines will be allowed to be installed within individual units, a condition that is now prohibited because of the limitation of the existing on-site systems. Also unit 1000, which is located in the far southeast corner of Oak Terrace will continue to be serviced by its existing on- site sy stem for se veral reasons. T his u nit i s t o be eliminated after the tenancy of its current resident. There is an on-site system which services only this unit and it is functioning adequately at this time. Finally, nearly 200 feet of sanitary sewer main would need to be extended to service this single unit. The proposed sanitary sewer will be constructed to City standards, including adequate drainage and utility easements to service the system. The City utility will be responsible for the maintenance of all facilities constructed to City standards. Any additional sewer-lines beyond those constructed to City standards will remain private sewers which will be the maintenance responsibility of Oak Terrace. All of the existing septic tanks and cesspools which lie adjacent to the r aikoad tracks w ii1 b e abandoned in conjunction with sanitary sewer installation. The remaining on-site facilities will be properly abandoned by Oak Terrace within twelve months of the sanitary sewer installation. · Municipal water service would be extended from the eight-inch watermain which presently terminates just beyond the southeastern corner of Oak Terrace. The eight-inch waterline would be extended through the existing service drive which runs north of and parallel to the Highway 10 right-of-way. A six-inch service stub will be installed up to t2e existing well house. A reduced pressure back flow preventor and a service meter will be placed between the City system and the Oak Terrace system which will remain private. The City shall be responsible for the operation and maintenance of the six and eight water system, fire hydrant valves and'.the water meter. Oak Terrace will be responsible-for the abandonment of its well, and operation and maintenance of its private distribution system and the backflow preventor. Drainage and utility 2 -155-