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Civic Center StarmwaterlrftStationRenovation. Design Services <br />Understanding of Need <br />Background <br />The City of Santa Ana (City) owns and operates two (2) stornwater lift stations located in the Civic <br />Center area, the Santa Ana Pump Station (Santa Ana PS) and the Flower Pump Station (Flower <br />PS). The Santa Ana PS is located adjacent to the retaining wall on the north side of Santa Ana <br />Boulevard; it pumps stormwater to a nearby culvert in Santa Ana Boulevard. The Flower PS is <br />located in the south-west corner of the Civic Center parking lot, adjacent to the retaining wall at <br />the Intersection of Flower Street and Sixth Street; it pumps stormwater to a 16 -Inch gravity pipe in <br />Flower Street. During the 2016 EI Nino season, the lift stations experienced Issues related to <br />leaking and flooding. Following the rainy season, the City contracted Michael Baker International <br />to perform a preliminary study to identify options and recommended upgrades. The study <br />identified upgrades to replace the mechanical and electrical equipment, perform site and building <br />improvements, and developed two alternatives for each pump station. The City's Parks <br />Department has selected Alternative SAII for the upgrade of the Santa Ana PS, and Alternative F1 <br />for the replacement and upgrade of all associate equipment for the Flower PS's renovation. <br />The City Is soliciting proposals from qualified firms to prepare Plans, Specifications & Estimates <br />(PS&E) Contract Documents for the °Civic Center Stornwater Lift Station Renovation" project. <br />Project Goals and Understanding <br />The existing mechanical and electrical equipment within the two stormwater lift stations has reached <br />the end of its useful life. The City would like to upgrade both pumping stations to NFPA 820 <br />compliant and improve the reliability and safety of the Santa Ana PS and Flower PS to prevent <br />flooding of the tributary Civic Center parking and walkway facilities, and to mitigate safety hazards <br />to City staff. <br />Based on Michael Baker's review of the RFP, our site visit, our discussions with the City staff and <br />our experience on similar projects, we have identified the following primary project objectives. <br />• Improve pump station efficiency, performance and reliability <br />• Improve pump station operational and maintenance safety. <br />• Assess the associated electrical equipment and overall site conditions at the pump station <br />and identify recommended improvements/upgrades. <br />• Develop contract documents for implementing the recommended upgrades. <br />• Complete design and construction prior to the rainy season. Given the scope of work, <br />anticipated bidding and contract approval time, and lead time for major equipment, this does <br />not seem to be reasonable; however, Michael Baker offers a solution as described in <br />Optional Task P in the following sections. <br />Based on the project objectives stated above, we have Identified the following key issues which <br />are critical to the success of this project: <br />• Identify the necessary electrical upgrades for the utility service and metering, including all <br />coordination required with SCE <br />• Identify and evaluate upgrades to the pump station electrical and site <br />IL TLPII Ai,a AAL a <br />25B-28 <br />