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MEMORANDUM <br />Paul Walters <br />To: City Manager <br />Raul Godinez II <br />From: Executive Director Public Works A ency <br />�C <br />r �' !'SiH <br />�Il �.Y:.:�. _.._ <br />Date: June 22, 2012 <br />Subject: PROJECT NO. 06 -1723; FIRST STREET BRIDGE REPLACEMENT OVER THE SANTA ANA <br />RIVER; FEDERAL PROJECT #BRCS -5063 (089) <br />REQUEST FOR APPROVAL OF CHANGE ORDER 6 <br />Contractor: <br />Powell Constructors <br />8555 Banana Avenue <br />Fontana, CA 92335 <br />Project Description: <br />First Street Bridge Replacement over the Santa Ana River <br />Account Unit: 05917760 <br />Account: 66220 <br />Activity: 06172302028 <br />Original Contract Cost: <br />$6,010,329 <br />of Original <br />Amount of The <br />Change Order: <br />$190,682 <br />3.2% <br />Previously Approved <br />$1,060,527 <br />17.6% <br />Change Orders: <br />Total Change Orders: $1 ,251 ,209 20.8 %"` <br />Contingency was increased to 30% by RFCA dated January 17, 2012. <br />REASON FOR CHANGE <br />While constructing the northern half of the bridge, the coordination to relocate and work <br />around the overhead utilities between SCE, the communication companies and the <br />contractor caused the contractor to work in the Santa Ana River after September 30, <br />2011. The costs are to compensate the contractor for removing his equipment daily <br />from the river bed, as required by the County. (PCO 14). <br />AGREED COST = $2,158 <br />2. While installing the northern half of the bridge deck reinforcement, it was determined <br />that the required lap length could not be installed as designed for the closure pour. The <br />existing southern half of the bridge was in the way, so the deck steel was cut short and <br />prepped to receive couplers when the southern half of the bridge is built. The costs are <br />to compensate the contractor to install 1000 couplers to extend the reinforcement for <br />the closure pour's required lap length. (PCO 20). <br />AGREED COST = $77,700 <br />