BOARD AGENDA MEMORANDUM
Government Code ? 84308 Applies: Yes ? No ?
(If "YES" Complete Attachment A - Gov. Code ? 84308)
SUBJECT: Title
Receive Report of Bids, Ratify Addenda, Waive a Minor Irregularity, Approve the Contingency Fund, and Award the Construction Contract to Disney Construction, Inc., for the Permanente and Hale Creeks Concrete Channel Repair, Under the Watershed Asset Rehabilitation Program, Project No. 62084001, Contract No. C0707 (Mountain View and Los Altos, District 7).
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RECOMMENDATION: Recommendation
A. Ratify Addenda No. 1, 2, and 3 to the Contract Documents for the Permanente and Hale Creeks Concrete Channel Repair Project;
B. Waive minor irregularity in Disney Construction, Inc.'s bid;
C. Award the Construction Contract to Disney Construction, Inc., located in Burlingame, CA, in the sum of $1,384,450 and
D. Approve a contingency sum of 15% in the amount of $207,667.50 and authorize the Chief Executive Officer or designee to approve individual change orders up to the designated amount.
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SUMMARY:
The objective of the Permanente and Hale Creeks Concrete Channel Repair Project (Project) is to prevent future deflections of the existing concrete walls and extend their service life.
The scope of the repair is to:
1) Repair concrete spalls and cracks.
2) Install vertical steel columns into the existing U-frame walls to support steel struts.
3) Install steel struts between the vertical steel columns to prevent further deflection of the existing walls.
Project Background
Permanente and Hale Creeks are part of the Lower Peninsula Watershed. The existing concrete U-frame channels were constructed in the early 1960s and have exceeded their intended design lifespan. These channels exhibit significant structural deficiencies including wall deflection, concrete spalling, and cracking. The locations of these deficiencies are most prevalent on Permanente Creek from Park Drive to Mountain View Avenue within the City of Mountain V...
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