BOARD AGENDA MEMORANDUM
Government Code ? 84308 Applies: Yes ? No ?
(If "YES" Complete Attachment A - Gov. Code ? 84308)
SUBJECT: Title
Approve an Increase of $40,000,000 to the Construction Contract Contingency Sum for the Anderson Dam Tunnel Project, as Part of the Anderson Dam Federal Energy Regulatory Commission Order Compliance Project, Project No. 91864006, Contract No. C0663 (Morgan Hill, District 1).
End
RECOMMENDATION: Recommendation
Approve an increase of $40,000,000 to the construction contract contingency sum, bringing the total contingency sum to $80,000,000 for the Anderson Dam Tunnel Project, as part of the Anderson Dam Federal Energy Regulatory Commission Order Compliance Project (Project No. 91864006), Contract No. C0663.
Body
SUMMARY:
Santa Clara Valley Water District (Valley Water) is undertaking the Anderson Dam Federal Energy Regulatory Commission Order Compliance Project (FOCP) as a result of the February 20, 2020, directive from the Federal Energy Regulatory Commission (FERC) to implement interim risk reduction measures at Anderson Dam. One of those measures is the Anderson Dam Tunnel Project (ADTP).
The proposed action to increase the contract contingency sum by $40,000,000 will allow the project team to execute change orders as needed to avoid unnecessary delays or consequential costs, ensuring the ADTP is completed as quickly as possible in preparation for the Anderson Dam Seismic Retrofit Project (ADSRP). Significant construction progress has been made on the ADTP with completion anticipated in late 2025. However, the amount of change orders executed to date and expected future change orders described below will exceed the current contract contingency.
Project Background
The ADTP will construct a diversion system to augment the existing outlet, which will consist of a new diversion tunnel, an outlet structure, a micro-tunnel lake tap, and modifications to Coyote Creek just downstream of the base of the dam. The ADTP ...
Click here for full text