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HomeMy WebLinkAboutItem 12l - Accept Rehabilitation of Pressure Reducing Station Project as completeAccept Rehabilitation of Pressure Reducing Station Project May 7, 2019 Page 1 of 3 DATE: May 7, 2019 TO: Honorable Mayor and City Council FROM: Tom Tait, Public Works Services Director By: Tiffany Lee, P.E., Associate Civil Engineer SUBJECT: ACCEPT ALL W ORK PERFORMED BY PERRY C. THOMAS CONSTRUCTION, INC. FOR THE REHABILITATION OF THE PRESSURE REDUCING STATION PROJECT AS COMPLETE Recommendation: Approve SUMMARY On November 20, 2018, the City Council approved a contract with Perry C. Thomas Construction, Inc. for the Rehabilitation of the Pressure Reducing Station Project. The terms and conditions of this project have been complied with and the work has been performed to the satisfaction of the Project Manager for a total project cost of $87,426. This amount reflects the original contract amount of $94,926 minus quantity changes totaling $7,500, or 7.9% less than the original contract amount. It is recommended that the City Council accept all work performed by Perry C. Thomas Construction, Inc. for the rehabilitation of the Pressure Reducing Station Project as complete, and authorize the final payment to be made in accordance with the contract documents, subject to retention of $4,371.30. BACKGROUND The Public Works Services Department (“PWSD”) is responsible for the daily operation and maintenance of the City’s water distribution system that includes seven pressure regulating and reducing stations. The pressure regulating and reducing station located on the south side of Huntington Drive east of Baldwin Avenue was installed in 1998 and provides water under certain system conditions from one pressure zone to another pressure zone. Specifically, the Huntington Drive pressure regulating and reducing station provides water from a higher pressure zone (Zone 2) to a lower pressure zone (Zone 3) during an emergency or when water pressure in Zone 3 drops to an undesired level. Accept Rehabilitation of Pressure Reducing Station Project May 7, 2019 Page 2 of 3 Regular inspections and maintenance of the Huntington Drive pressure regulating and reducing station revealed maintenance and safety concerns that included the existing vault and cover. Moreover, it was necessary to upgrade the existing pressure reducing station to improve operation and replace sections of the existing vault lid. DISCUSSION On November 20, 2018, the City Council approved a contract with Perry C. Thomas Construction, Inc. for the Rehabilitation of the Pressure Reducing Station Project . The work performed included removing and replacing the existing vault cover, sidewalk, curb and gutter, and installing SCADA (Supervisory Control and Data Acquisition) equipment. During the course of work, the City received credit for removal of a bid item that did not change the scope of the project. Below is the description of the contract change order. CCO Description Amount 1. Deleted (250 SF) – Remove and replace damaged turf and irrigation ($7,500.00) Total: ($7,500.00) The change order listed reduced the overall contract amount by 7.9%. The terms and conditions of this contract have been complied with and the work has been performed to the satisfaction of the Project Manager. Perry C. Thomas Construction, Inc. completed the work as defined in the project plans and specifications in an ef ficient and timely manner. FISCAL IMPACT Funds in the amount of $150,000 have been budgeted in the Fiscal Year 2017-18 Capital Improvement Plan for this project. $30,374.73 was expended to purchase the vault lid under a separate contract, leaving $119,625.27 for the construction phase of the project. The total cost for construction phase of the Rehabilitation of the Existing Pressure Reducing Station is $87,426. This amount reflects the original contract amount of $94,926 minus quantity changes totaling $7,500, or 7.9% less than the original contract amount. The commutative cost of the entire project is $117,800.73. RECOMMENDATION It is recommended that the City Council accept all work performed by Perry C. Thomas Construction, Inc. for the rehabilitation of the Pressure Reducing Station Project as complete, and authorize the final payment to be made in accordance with the contract documents, subject to retention of $4,371.30. Accept Rehabilitation of Pressure Reducing Station Project May 7, 2019 Page 3 of 3