HomeMy WebLinkAboutItem 8 SCANNED PPP Operations Committee 10-04-17_Bay Bridge Pump Station.pdf Bay Bridge Pump Station and Force Main
Replacement, Project 5-67
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Project Setting
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10/4/2017
Existing Pump Station
50 years old and requires...
• New pumps t
• Electrical upgrades
• Odor control improvements
• Safety upgrades
• Architectural improvements to
accommodate future developments
Dual Force Mains Crossing Channel
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Similar age as pump station i�/
• Cannot perform a quality assessment °
due to the location beneath the
channel
• At the end of their useful life
• Require both force mains to convey
peak flows
• Rest of the force main system
downstream was recently replaced
under project 5-60.
• Highly vulnerable to a sewer spill
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Proposed Area Developments
• Back Bay Landing—Mixed Used Residential
• The Irvine Company—High end restaurant
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CONCEPTUAL SITE PLAN °A.aLANDING
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Proposed Project
• New force mains
• New pump station at a new location on the Back Bay Landing
property
• Modifications to existing gravity feed sewers and force mains
• Odor control facilities
• Demolition and abandonment of existing pump station and
Force Mains
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Pump Station Layout
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Pump Station to Blend with Adjacent Development
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10/4/2017
Odor Control Innovation will Result in Happy Neighbors
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,plosi,a Odor
Liquid-phase Treatment
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10/4/2017
Arcadis is the Most Qualified Firm
• The team was more competent and experienced than the 4
competitors
• Project understanding and approach was the best
• Overall hours were fair and the lowest
• Rates are fair and reasonable
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General Manager's Recommendation
A. Approve a Professional Design Services Agreement with Aradis US Inc. to provide
engineering design services for the Bay Bridge Pump Station and Farce Main
Replacement,Project No.5-67,for an amount not to exceed$7,137,000;and
B. Approve a contingency of$713,700(10%).
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