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REQUEST FOR ACTION <br />TO ITEM NUMBER <br />Ma or and Ci Council 4.10. <br />AGENDA SECTION MEETING DATE PREPARED BY <br />Consent December 5, 2011 ustin Femrite, P.E. <br />ITEM DESCRIPTION REVIEWED By <br />Consider Proposal for Inspection of Orono Dam Cal Portner, Ci Administrator <br /> REVIEWED BY <br />ACTION REQUESTED <br />Approval of the proposal in the amount of $11,900 as submitted by Ayres Associates for the completion <br />of a comprehensive inspection of the Orono Dam. <br />BACKGROUND/DISCUSSION <br />The last structural renovation to the Orono Dam was completed in 1982. Since that time, periodic visual <br />inspections and ongoing maintenance have been completed annually by city and Elk River Municipal <br />Utilities staff. A comprehensive analysis is recommended to be completed at this time consistent with <br />recommendations itemized in the Orono Dam Operation and Maintenance Manual. <br />The work would include a visual inspection of the dam gates, spillways, abutments, embankments, and <br />operating mechanisms. In addition, an underwater inspection will be completed on the upstream and <br />downstream sides of the spillway. This underwater inspection work will include the concrete structures, <br />gates, and other accessible sections of the dam components. The entire inspection would be summarized <br />in a formal report identifying any deficiencies observed and recommended maintenance efforts required <br />to correct said conditions. <br />Proposals were solicited for the inspection from two firms who specialize in this type of work. The costs <br />associated with the two proposals are summarized as follows: <br />Ayres Associates - $11,900 <br />Barr Engineering Company - $12,500 <br />Staff reviewed the proposals and recommends approving the proposal from Ayres Associates. <br />FINANCIAL IMPACT <br />The $11,900 cost fox the project will come from the Street Improvement Reserve Fund. This project was <br />included in the 2011 Capital Improvement Plan at an estimated cost of $30,000 from the Street <br />Improvement Reserve Fund. <br />ATTACHMENTS <br />^ Ayres Associates Proposal <br />^ 2011 CIP -Page 62, Orono Dam Inspection <br />fulrE~Ee tY <br />~A~"U <br />