REPORT TO COUNCIL
SUBJECT
Title
Agreement with Schaaf & Wheeler, Consulting Civil Engineers for Water Mains at Bridge Crossings
Report
BACKGROUND
The City of Santa Clara Water and Sewer Utilities owns, operates and maintains the City's approximately 335 miles of water distribution system pipelines. As part of the continuous efforts to maintain the City's water distribution system, the City is proposing to relocate existing water mains at four creek crossing locations where these mains cross under Calabazas Creek or San Tomas Aquino Creek.
The Project will relocate four (4) existing water mains from below-grade creek crossings to at-grade crossings that are mounted on three (3) vehicular bridges and one (1) pedestrian bridge. Three (3) of the crossings will be mounted along vehicle bridges at Central Expressway and Calabazas Creek; El Camino Real and Calabazas Creek; and Scott Boulevard and San Tomas Aquino Creek. The fourth segment of water main will be mounted along a pedestrian bridge at Agate Drive and Calabazas Creek.
The upgrades will enhance water reliability during a seismic event, improve response to emergency leaks, and maintain a looped water distribution system.
DISCUSSION
On December 21, 2017, the City issued a Request for Proposals (RFP) to select a qualified design consultant to prepare plans, specifications, and provide construction support and cost estimates to facilitate construction of four (4) water main relocations along bridge crossings at Central Expressway and Calabazas Creek; El Camino Real and Calabazas Creek; Scott Boulevard and San Tomas Aquino Creek; and Agate Drive and Calabazas Creek.
Six (6) proposals were received. The proposals were reviewed and ranked by an evaluation team consisting of Water and Sewer Utilities engineering, operations, and construction staff. The proposals were evaluated based on the firm's qualifications and relevant experience; project approach and schedule; and overall quality, responsiveness and com...
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