Site work and paving for a road / highway in San Ramon, California. Completed plans call for paving for a road / highway; and road / highway.

As shown in the Drainage Location List and Preliminary Drainage Plan provided along with the request, the project consists of the replacement and rehabilitation of 74 existing culvert locations along I-680. However, the scope of this investigation is limited to 15 cross-culverts, along the I-680 mainline, which are proposed to be replaced using trenchless installation methods (See Figure 1A and 1B). A summary of the existing culverts is provided in Table 1. All elevations referenced in this report are based on the National Geodetic Vertical Datum of 1929 (NGVD 29). To convert an elevation at the locations from NGVD to North American Vertical Datum of 1988 (NAVD 88), add 2.56 feet to the NGVD 29 elevation. Individual slab replacement, cold plan AC Pvmt, grind Exist Conc Pvmt. 04-CC-680-R0.0/R7.7 In Contra Costa County In San Ramon And Danville From The Alameda County Line To 0.2 Mile North Of Diablo Road Undercrossing The Contractor must have either a Class A license or any combination of the following Class C licenses which constitutes a majority of the work: C-12, C-8. 550 Working Days * 21% DBE Requirement * Submit your bid with bidder's security equal to at least 10 percent of the bid CADOT - Individual Slab Replacement, Cold Plan AC Pvmt, Grind Exist Conc Pvmt