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Project 08-1732 <br />Request for Approval of Change Order No. 1 <br />February 23, 2015 <br />Page 2 of 3 <br />3. The contract documents call for the installation of new Contech Triton Inserts at each of the <br />three proposed catch basin to filter storm water run-off. These units have proven to be <br />maintenance intensive and ineffective at reducing storm run-off pollution. The City's <br />NPDES program currently installs United Storm Water (USW) automatic retractable <br />screens (ARS) and connector pipe screens (CPS) at all catch basins. This change order <br />would install the new AWS devices in lieu of those detailed in the contract documents. <br />(PCO #02) <br />AGREED PRICE $9,357.23 <br />EXTRA WORK AT TIME & MATERIAL <br />4. While installing the 12" PVC water main, the contractor encountered an AT&T duct bank <br />that was not shown on plan and is in the pipe zone. A vertical offset in the 12" water main <br />will need to be constructed to go under the duct bank. The vertical offset will be <br />constructed per City Standard 14136 and was done on a time and materials basis. (PCO <br />#09) <br />FINAL COST $16,647.51 <br />ACCOUNTING UNIT COST ANALYSIS <br />CCO Item <br />Number <br />Accounting Unit <br />Accounting Unit Costs <br />Total Amount <br />99117950-66220-08173207028 <br />$25,012.95 <br />03217662-66220-08173209028 <br />$25,012.95 <br />1 <br />22417660-66220-12660401028 <br />$0.00 <br />$50,025.90 <br />22517660-66220-12660402028 <br />$0.00 <br />22617660-66220-12660403028 <br />$0.00 <br />99117950-66220-08173207028 <br />$0.00 <br />03217662-66220-08173209028 <br />$0.00 <br />2 <br />22417660-66220-12660401028 <br />$26,935.92 <br />$53,560.00 <br />22517660-66220-12660402028 <br />$8,207.17 <br />22617660-66220-12660403028 <br />$18,416.91 <br />99117950-66220-08173207028 <br />$0.00 <br />03217662-66220-08173209028 <br />$0.00 <br />3 <br />22417660-66220-12660401028 <br />$4,705.86 <br />$9,357.23 <br />22517660-66220-12660402028 <br />$1,433.84 <br />22617660-66220-12660403028 <br />$3,217.54 <br />99117950-66220-08173207028 <br />$0.00 <br />03217662-66220-08173209028 <br />$0.00 <br />4 <br />22417660-66220-12660401028 <br />$8,372.22 <br />$16,647.51 <br />22517660-66220-12660402028 <br />$2,550.95 <br />22617660-66220-12660403028 <br />$5,724.34 <br />Total <br />$129,590.64 <br />