General work description: The work to be done generally consists of excavating creek channel banks, stockpiling soil on adjacent parcel, installing steel soldier pile and lagging wall, installing rock slope protection, installing pedestrian bridge, installing irrigation system, hardscaping, and installing or modifying appurtenances needed to widen Marsh Creek flood control channel. Engineer's cost estimate: BASE BID: $2,762,000 Bid Alternate 1: $94,000 Bid Alternate 2: $362,000 Bid Alternate 3: $18,000 Bid Alternate 4: $99,000 Bid Alternate 5: $48,000 Bid Alternate 6: $210,000 Number of Working Days: BASE BID: 135 days Bid Alternate 1: 3 additional days Bid Alternate 2: 5 additional days Bid Alternate 3: 0 additional days Bid Alternate 4: 3 additional days Bid Alternate 5: 3 additional days Bid Alternate 6: 1 additional days Contract Documents, including plans and specifications, may be viewed but not obtained at the Public Works Department, 255 Glacier Drive, Martinez, California 94553-4897, Monday - Thursday (7:00 a.m. - 5:00 p.m.), and Friday (7:00 a.m. - noon and 1:00 p.m. - 4:00 p.m.). Plans and specifications can be obtained via the Contra Costa County Public Works Department Online Planroom at www.cccounty.us/pwprojects. A non-refundable service charge for bid documents is required in the amount of $150 (sales tax included). The Public Works Department does not guarantee the arrival of the plans and specifications in time for bidding. For more information about obtaining plans and specifications by mail, please call Blueprint Express at (707) 745-3593. You may obtain electronic PDF copies of the plans and specifications upon purchase of the bid package through the Online Planroom for no additional service charge.

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