Request for council action/sewer

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r - REQUEST FOR COUNCIL ACTION � � � �� '�'� �� DATE: January 10, 2000 ITEM NO.: �j v Department Approval: Administrator Reviewed: Agenda Section: Name Gregory A. Gappa ` �� Engineer's Report Title Director of Public Services y �� Item Description: Request for Sanitary Sewer 680 South Brown Road Introduction We have received a request from the property owner at 680 South Brown Road for connection to sanitary sewer. This property is located on the east side of South Brown Road, 300' north of the South Brown Road/Weber Hills Road intersection and is adjacent to the Weber Hills Sewer Project. As part of the Weber Hills sewer project, a pressure sewer line will be installed in Weber Hills Road ending 150' west of South Brown Road. Connection of 680 South Brown Road to sewer will require extension of the Weber Hills sewer line east along Weber Hills Road and north along South Brown Road to reach this property. This property is an existing developed lot with a noncompliant septic system. The system needs to be replaced by December 31, 2002. The possibilities for septic sites are extremely 1'united on this property. Most of the property is wetland. There is only a small area of the property that is outside the 75' wetland setback for septic systems and this area is on a steep slope. Recommendations We are recommending sewering this property using one of the 50 sewer units available from the 1996 MUSA expansions comprehensive plan amendment. This property qualifies for sewer because it is an existing residential developed lot adjacent to a sewer project, has an existing nonconforming septic system, and no suitable areas are available for a replacement septic system. Connection of this property will require the extension of approximately 460' of 2" force main from the end of the Weber Hills project. A residential grinder pump station will also be required. The estimated costs for the sewer extension, to the property line, are $21,460. On past projects a $5,000 credit for the purchase of a residential grinder station was added to the assessment if the property owners wanted to be assessed for the grinder station costs. The property owners would then be provided with a check for $5,000 for the purchase and installation of their own grinder pump. The total estimated assessment including the grinder pump allowance would be $26,460. This could be assessed over a 15-year period at an estimated interest rate of 6.5%. The annual special assessment costs included in the property taxes would be approximately $2,800.