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THE CITY OF 15 _ ° 212f rifir CITY COUNCIL AGENDA REPORT pLEASANTON. April 18, 2017 Engineering TITLE: APPROVE EXPANSION OF THE RECYCLED WATER INFRASTRUCTURE PROJECT TO CONSTRUCT A WATER PRESSURE BOOSTER STATION AT KEN MERCER SPORTS PARK UTILIZING AVAILABLE CALIFORNIA CLEAN WATER STATE REVOLVING FUNDS AND PROPOSITION 1B GRANT FUNDS SUMMARY On August 16, 2016, City Council authorized the expansion of the recycled water system on Gibraltar Drive from West Las Positas to Hacienda Drive, Tassjara Tank vault improvements, and purchase of a pre-packaged booster station to be installed at Ken Mercer Sports Park. The expansion of piping on Gibraltar Drive and the Tassjara Tank vault improvements are complete. The design and selection of a pre-packaged booster station is complete and ready to be purchased through a change order to Ranger Pipelines, Inc. Before City Council today is the authorization to purchase the pumping system and select the preferred location for the station. The installation of the booster station, and construction of piping and electrical feed will be brought to the City Council under a separate construction contract, the cost of which will be dependent on the selected location for the station. On March 9, 2017, the recycled water booster station was presented to the Parks and Recreation Commission. The Commission approved locating the station as proposed in Location 2 - Hard Ball Field C, as described later in the report. However, some Parkside Drive residents raised concerns about location, noise, and vibration from the station. In response, City staff reviewed the concerns and possible alternative locations, but still recommends the placement of the booster station at Location 2. (The location as presented to the Parks and Recreation Commission.) RECOMMENDATION 1. Authorize the Director of Engineering to approve and execute a contract change order to Ranger Pipelines Inc. for approximately $425,000 to purchase a pre- packaged booster station from Patterson Pumps for the recycled water system. 2. Approve the location of the Sports Park Booster Station at Location 2 - Hard Ball Field C. FINANCIAL STATEMENT There is not a financial impact associated with this action because all required funding has been budgeted for the recycled water infrastructure project.