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<br />REQUEST FOR COUNCIL CONSIDERATION <br /> <br />ITEM DESCRIPTION: CONSIDERATION OF FINAL PAYMENT FOR PROJECT 14-4, <br />IRON/MANGANESE REMOVAL SYSTEM FILTER REHABILIATION – WTP#1 <br />DEPARTMENT HEAD’S APPROVAL: <br />CITY MANAGER’S APPROVAL: <br />No comments to supplement this report ___ Comments attached ___ <br /> <br />Recommendation: To approve the Final Payment in the amount of $46,264.12 for City Project 14-4, <br />Iron/Manganese Removal System Filter Rehabilitation – WTP#1 to Rice Lake Construction Group. This <br />represents final payment. <br /> <br />Legislative History: Council approved Plans and Specifications November 26, 2013 <br /> Bids opened by Staff January 14, 2014 <br />Bid Awarded January 28, 2014 <br />Change Order #1 Approved May 13, 2014 <br />Change Order #2 Approved July 8, 2014 <br />Change Order #3 Approved August 12, 2014 <br />Change Order #4 Approved November 25, 2014 <br />Change Order #5 Approved January 13, 2015 <br />Change Order #6 Approved February 10, 2015 <br /> <br />Financial Impact: <br /> <br />The payment represents final payment including release of held retainage, and the project is considered complete. <br /> <br />Explanation: This project consists of rehabilitating the four iron/manganese removal system filter vessels at <br />WTP#1. Project items include: <br />1. Site mobilization, temporary entrance, demobilization. <br />2. Remove filter media and gravel. <br />3. Filter vessel inlet pipe inspection. <br />4. Remove underdrain nozzles. <br />5. Prepare and re-coat filter interiors (includes surface preparation, stripe coat, primer and finish <br />coat(s). <br />6. Provide new underdrain nozzles. <br />7. Remove and provide new sample tap screens. <br />8. Provide new access manway gaskets. <br />9. Provide new gravel retaining screens. <br />10. Provide new gravel base and filter media. <br />11. Disinfect vessels and provide bacteriological testing. <br />12. ASME vessel recertification. <br />13. Remove existing and provide new inlet distributor piping for all vessels. <br />14. Remove existing and provide new air wash distributor piping for all vessels. <br />15. Remove and replace stainless steel studs, clips, and underdrain support steel used to support the <br />media and gravel retaining screen (added via Change Orders 1 and 3). <br />16. Repair welds in lower chamber of Filter 2 (added via Change Order 4). <br />17. Repair welds in lower chamber of Filter 1 and modification to the gravel retaining screen brackets <br />(added via Change Order 6). <br /> <br />Costs and Funding: The total cost of this project will be funded from Fund 206 – NBCGRS Army Water Fund. <br /> <br />Report Number: _____________ <br />Agenda Section: _____________ <br />Report Date February 19, 2015 <br />Council Meeting Date February 24, 2015