CC - Agendas - City Council - REGULAR - 5/13/2014

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CITYor PRESCOTT Xomc&eon COUNCIL AGENDA MEMO MEETING DATE/TYPES: VOTING SESSION 5-13-14 DEPARTMENT: Public Works (AGENDA ITEM: Award of bid and contract for the Willow Creek Dam Repairs Project to Technology Construction, Inc., in the amount of $180,000.00 (City Contract No. 2014- 182; Water Fund) Approved By: Date: Director: Hash, Henry 105/02/2014 City Manager: McConnell, Craig Ad4A4 404.4.1-1- 3'S- ij- U Item Summary This item is to award a bid and contract to perform concrete repairs to the City-owned Willow Creek Dam at Willow Lake. The project also includes the installation of safety railing, security fencing, and a walkway. This is the second of two projects to improve the dams. In 2012, similar repairs were made to Upper Goldwater Dam, Lower Goldwater Dam, and Granite Creek Dam. Background Willow Creek Dam was constructed in 1935 and requires periodic maintenance. Regulatory oversight of dams within Arizona is exercised by the Dam Safety Section of the Arizona Department of Water Resources (ADWR). A yearly inspection of each of the City-owned dams is performed by ADWR accompanied by City Utility Operations and Engineering personnel. The report of observed conditions, requirements, and recommendations is prepared by ADWR and forwarded to the City. There are no structural issues; however, recent inspections have identified varying degrees of concrete surface deterioration at several locations on the dam and spillway. Repairs are necessary to treat and arrest the surface deterioration in order to maintain the integrity of the dam. Project plans and specifications were prepared in accordance with the US Bureau of Reclamation Guidelines, and reviewed and approved by ADWR. Additionally, ADWR approved the Quality Assurance plan and will periodically inspect the progress of the work.