BOARD AGENDA MEMORANDUM
SUBJECT:
Title
Report of Bids Received and Award of Construction Contract to Gordon N. Ball, Inc. for the Cunningham Flood Detention Facility Certification Project, Project No. 40264011 (San Jose) (District 1).
End
RECOMMENDATION:
Recommendation
A. Consider the Addendum to the Final Initial Study/Mitigated Negative Declaration for the Cunningham Flood Detention Certification Project (IS/MND);
B. Ratify Addenda No(s). 1, 2 and 3 to the Contract Documents for the Cunningham Flood Detention Facility Certification Project;
C. Award the Contract to Gordon N. Ball, Inc. located in Alamo, California, in the sum of $3,748,000.00; and
D. Approve a contingency sum of $374,800.00 and authorize the Chief Executive Officer or designee to approve individual change orders up to the designated amount.
Body
SUMMARY:
Project Background
The Cunningham Flood Detention Facility Certification Project (Project) is situated within Lake Cunningham Regional Park in the southeast section of San Jose and is just upstream of the District's Lower Silver Creek Flood Protection Project. The park was designed and constructed in accordance with the park's Master Plan originally developed in 1976 by the City of San Jose (City) to function dually as a recreational and flood detention facility. Lower Silver, Flint, and Ruby Creeks flow along the perimeter of the park. In 1978, the District entered into a Joint Use Agreement with the City to develop a joint recreational-flood detention facility at the park site.
The park area functions as a detention basin and attenuates the 100-year flood peak flow from upstream. However, the detention facility does not have sufficient freeboard for it to be certified by the Federal Emergency Management Agency (FEMA). In order to meet this objective, the District is proposing to raise the existing levee ranging from 0 to 4 feet high along Capitol Expressway and Cunningham Avenue and adjacent to Lower Silver Creek, and to con...
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