BOARD AGENDA MEMORANDUM
SUBJECT:
Title
Amendment One to Contract No. C0601 for the Rinconada Water Treatment Plant Reliability Improvement Project, Balfour Beatty Infrastructure, Inc., Contractor, Project No. 93294057, Contract No. C0601 (Los Gatos) (District 7).
End
RECOMMENDATION:
Recommendation
Approve Amendment One to Contract dated May 26, 2015, Rinconada Water Treatment Plant Reliability Improvement Project with Balfour Beatty Infrastructure, Inc.
Body
SUMMARY:
On May 26, 2015, the Board awarded a construction contract (Contract) in the amount of $179,850,000 to Balfour Beatty Infrastructure, Inc. (BBII) for the Rinconada Water Treatment Plant Reliability Improvement Project (Project). The Contract provided for the Project to be constructed in five primary phases within a 5-year period, with a final sixth phase consisting of site restoration and contract closeout. The existing Rinconada Water Treatment Plant (RWTP) is to remain operational during the entire construction period, with the newly-constructed facilities and upgrades integrated with plant operations at the end of each phase.
Phase 1 of the work included activities to prepare the site for construction, including traffic control, installation of temporary construction facilities, vegetation removal, utility potholing, utility relocation, and stormwater pollution prevention requirements. Phase 2 of the work includes the construction of several new facilities for the upgraded treatment system at the RWTP such as: flocculation/sedimentation; ozone contactor building; washwater recovery facilities; an electrical control building and appurtenant wiring and control systems; significant underground piping; and installation of chemical feed systems.
The estimated completion date of Phase 2 work is currently June 2020, approximately 3.5 years beyond the original completion schedule. In an effort to address construction progress and other unresolved disputes, Valley Water and BBII commenced Exec...
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