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The water service lines between the water mains and meter boxes were constructed of polybutylene, which has proven to be an inferior material in this use application, due to failures. The Board of County Commission's approved staffs request for a similar water line replacement project for the Cambridge Park subdivision. The Cambridge Park project was completed on schedule and within budget. ANAI YSIS Approximately 10% of the single and double polybutylene water service lines that serve 121 meters have failed within the last several years requiring emergency replacements by the County's Utility personnel Some of the repairs were made after hours requiring overtime compensation and at great cost and inconvenience to our customers. Since it is obviously only a matter of time before all remaining water services will fail and have to be replaced, the Utilities Department believes it is prudent to be proactive and replace them in an orderly and timely manner as part of the scheduled line and replacement program The Utilities Department has reviewed the available options for replacement and determined the best way to effect the replacement was to use the Utility Department Labor Contractor, (see attached agreement) The material for the project will be directly purchased by the Utility. This decision has been made based on man-hour availability of Utility maintenance crews, continuity of work, existing water table conditions and customer inconvenience. The total cost of labor and materials for this project is estimated to be $138,794.55, with a further breakout of $110,198.17 for labor, and $28,596.38 for direct purchase material Because the contract is for more than $25,000, the Labor Contractor will have to post a Performance and Payment Bond prior to commencement with the work. RFCQMMFN.LlATIQNI The staff of the Department of Utility Services recommends the Board of County Commissioners approve the project at a total cost of $138,794.55 including 10% contingency for labor, and authorize the Chairman to execute a Work Authorization Directive, as presented. ON MOTION by Commissioner Ginn, SECONDED by Commissioner Adams, the Board unanimously approved the project at a total cost of $138,794.55, including 10% contingency for labor, and authorized the Chairman to execute a Work Authorization Directive, as recommended by staff. WORK AUTHORIZATION IS ON FILE IN THE OFFICE OF THE CLERK TO THE BOARD JANUARY 22, 2002 -62- 1 71.1