(a) Report on bids and award of contract for the Norman Y. Mineta San José International Airport North Concourse Building Foundation and Utility Tunnel Concrete (Package 2A) Project to the lowest responsive bidder, Gonsalves & Santucci, Inc. dba Conco, in the amount of $15,512,812, and approval of a contingency in the amount of $1,552,000. CEQA: Resolution Nos. 67380 and 71451, PP 06-025. (Public Works/Airport)