23A - CHANGE ORDER NO 1 PROJ 05-3197

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Change Order No. 1 Project No. 05-3197 February 21, 2006 Page 2 On September 19, 2005, the City awarded a contract for the Main Street Water Main Improvements Project to A. R. Sarmiento, Inc. for the estimated amount of $341,220 plus a ten percent contingency totaling $375,342. This project provides for construction of a new water main and appurtenances along Main Street from MacArthur Boulevard to Sunflower Avenue. The following three items are responsible for the cost increases: 1. The limited access to the Hutton Center offices has prompted the request to have the contractors work longer hours and Saturdays to mitigate the impact to the offices and to complete the project as soon as possible. 2. During construction, concrete pavement was encountered beneath the existing asphalt street. The concrete, estimated to exist along the entire length of the project, was not shown on the plan. 3. At several locations existing utilities were in conflict with the new water main. To work around these utilities the contractor needs to install the water main at a lower depth. These unforeseen conditions will result in additional costs related to overtime work, saw cutting, demolition, disposal, and installation of the water main at a deeper level. The extra work will be done on a time and materials basis. Since this change order will exhaust the project contingency, the Council's approval is required to cover this extra cost and preserve the project's contingency for any additional project unforeseen conditions. Estimated cost = $69,500 FISCAL IMPACT The cost for the change order is estimate at $69,500. Funds are available in the Water Utility Capital Projects Fund (account no. 66-579-6635). APPROVED AS TO FUNDS AND ACCOUNTS: /c2e~~fi- ~~ r"---.-- James G. ROss . Executive Director Public Works Agency ~~,,(~ ~~rancisco Gutierrez V Executive Director Finance & Mgmt. Services Agency ./ . ~ (- 23A-2