General work description: The work to be done generally consists of the replacement of two existing bridges with single span concrete PC/PS wide-flange girder bridges and reconstruction and realignment of the approach roads to each bridge, located along Marsh Creek Road, approximately 4 miles apart, in Contra Costa County southeast of Clayton, site 1, and in Contra Costa County southwest of Brentwood, site 2. The reinforced concrete bridges abutments are supported with CIDH concrete piles. Work includes clearing and grubbing activities, tree removal, grading, bridge removal and single stage bridge construction, roadway construction in stages, construction of drainage facilities, storm drainage pipes and outfalls, the relocation of above ground and underground utilities, and pavement delineation. 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 $225.00 (sales tax included). You may obtain electronic PDF copies of the cross sections upon purchase of the bid package through the Online Planroom. Shipping charges are extra, depending on the delivery method. 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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