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Bid Summary Gateway Engineer's Pacific Anderson Overall McGuire Estimate Contractors Pacific Construction and Hester _ ___. Construction ~ ~~ ,f, Estimate $3,400,000 ~ _ -._.__ ~~,,, ~ :::~?~~ - Construction Bid _. -._~~~~" $3,942,206 $4,246,150 $4,355,000 $5,572,770 Construction Management Specialty Inspection and Soils Engineering/Testing The City commonly enters into a construction management contract to provide technical shop drawing review, specialty inspection services, quality control and often geotechnical (soils) engineering and testing during construction of the City's utility pump stations, reservoirs, and other types of large utility facilities where the City does not have staff specializing in these areas. This partially buried, pre-stressed concrete reservoir project is the type of project that staff believes requires and would benefit from specialty construction management expertise. Earlier this year, the City solicited proposals from six different construction management firms to provide the construction management for the Santos Ranch Road Pump Stations and Water Facilities Upgrade Project. Two firms responded that they would be unable to provide the necessary services for the project due to their current workload, and two of [he other firms indicated that they did not believe they could be competitive in providing a proposal if the firm that designed the pump stations was also included on the construction management selection list. Of the two firms that did submit proposals, the City chose Tetra Tech, Inc. (the designer of the pump stations) to provide these services to the City based upon their construction management expertise and ultimate negotiated bid. Tetra Tech's construction management team of professionals has been on this pump station reconstruction project for approximately four months and to-date, has provided excellent construction management services for the City on this project. Based upon this recent construction management experience and the current high level of bidding and construction work in the Bay Area, City staff requested Tetra Tech to submit a proposal to provide construction management and specialty inspection services for the construction phase of the water reservoir project as an amendment to their construction management contract. Staff has reviewed the rate schedule and professional employee hours that have been proposed by Tetra Tech Inc. and found [he fum's rates to be competitive with other construction management firms doing similar work for the City. Based on a number of factors, including Tetra Tech's qualifications, the fact that they are currently providing excellent construction management services for the City, that the same construction management "team" would be SR 06:152 Page 6 of 13