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Community Development Agency, Transportation Division, recommending the Board approve and authorize the Chair to sign the First Amendment to Agreement for Services 381-S1511 with Ghirardelli Associates, Inc. increasing compensation by $288,482 for a new not-to-exceed amount of $888,482 to provide construction support services for the Green Valley Road at Weber Creek - Bridge Replacement Project, CIP 77114, pending review, minor modification and approval by County Counsel and Risk Management.
FUNDING: Highway Bridge Program (84%), Regional Surface Transportation Program (9%) and Traffic Impact Mitigation Fees (7%). (Federal Funds)
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DEPARTMENT RECOMMENDATION
Community Development Agency, Transportation Division (Transportation), recommending the Board approve and authorize the Chair to sign the First Amendment to Agreement for Services No. 381-S1511 (Amendment) with Ghirardelli Associates, Inc. (Ghirardelli) increasing compensation by $288,482 for a new not-to-exceed amount of $888,482 to provide construction support services for the Green Valley Road at Weber Creek - Bridge Replacement Project (Project), CIP No. 77114, pending review, minor modification and approval by County Counsel and Risk Management.
DISCUSSION / BACKGROUND
The Board awarded the construction support services contract for the Project to Ghirardelli on February 24, 2015 (Item No. 24). The Notice to Proceed to Ghirardelli was issued on March 5, 2015 and work began by the contractor on April 15, 2015. The Project will replace the existing functionally obsolete bridge with a new bridge that meets current standards, in addition to constructing new retaining walls at each of the bridge approaches. The Project is currently on schedule for completion in summer 2016.
Transportation is requesting to increase the not-to-exceed amount of this contract for reasons as follows: (1) the Project involves complex structure construction work, and as a result of several contract change orders, a...
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