(15)AR 081908 Storm Drain Improvement Project

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ITEM #17 CITY OF COLTON AGENDA REPORT FOR COUNCIL MEETING OF AUGUST 19, 2008 TO: HONORABLE MAYOR AND CITY COUNCIL FROM: MARITZA TAPIA, INTERIM PUBLIC WORKS DIRECTOR SUBJECT: APPROVE RESOLUTION AMENDING THE FISCAL YEAR 2008/2009 CAPITAL IMPROVEMENT PROGRAM IN THE AMOUNT OF $11,000; APPROVE CHANGE ORDER NO. 1 IN THE AMOUNT OF $16,967.00; AUTHORIZE RECORDATION OF NOTICE OF COMPLETION FOR ORANGE STREET AND PLEASANT VIEW STORM DRAIN IMPROVEMENT PROJECT. DATE: AUGUST 11, 2008 BACKGROUND: The neighborhood of Orange Avenue and Pleasant View rainy seasons. The drainage infrastructure servicin€ improvement. While the preexisting storm drain system experienced along these streets, it was not capacitated ti needed improvements to this storm drain system were existing storm drain pipe. DISCUSSION/ANALYSIS: Avenue has experienced flooding during these streets was identified to need was able to redirect daily surface runoff function properly when it rained. The achieved by increasing the size of the On May 6, 2008, the City Council authorized the award of a construction agreement for the Orange Street and Pleasant View Storm Drain Improvement Project to Noriega Engineering in the amount of $68,231.00. A Notice to Proceed for this project was issued on June 5, 2008 and the project was completed as of June 12, 2008. Noriega Engineering completed the project satisfactorily as specified on the project plans and specifications, in the amount of $85,198.00. The final project's construction cost is higher than the awarded contract amount, as a result of Change Order No. 1 (Exhibit B), which totaled $16,967.00 (24.86% of contract amount). Change Order No. 1 was requested by the City to accommodate design changes needed to allow for installation of additional RCP (reinforced concrete pipe) and a larger catch basin to allow for proper flow and transition into the City's storm drain system. In addition, the concrete work resulted in small quantity variances needed to complete the awarded work. Staff requests award of Change Order No. 1 to Noriega Engineering and authorization to record the Notice of Completion for the Orange Avenue and Pleasant View Storm Drain Improvement Project. 7/10/03 City Clerk's Office Cb