The project work consists of the following major items and approximate quantities: The Base Bid scope of work shall include removal and replacement of one (1) Passenger Boarding Bridge, installation of one (1) new Ground Power Unit, Installation of one (1) new Preconditioned Air Unit, installation of one (1) new Baggage Slide, and associated electrical upgrades. The Additive Alternate 1 scope of work shall include the removal, salvage, and replacement of one (1) Passenger Boarding Bridge, installation of one (1) new Ground Power Unit, Installation of one (1) new Preconditioned Air Unit, installation of one (1) new Baggage Slide, and associated electrical upgrades The Disadvantaged Business Enterprise (DBE) goal for the project has been established at 2.5%. A bid bond, cashiers check, or a certified check made payable to the order of the Chicago Rockford International Airport in the amount of ten percent (10%) of the total bid must be deposited by each bidder with his bid as guarantee that in case the contract is awarded to him, he will within fifteen (15) days thereafter, upon receipt of written notice of award, execute such contract and furnish a satisfactory performance bond. Upon failure to do so, he shall forfeit the deposit as liquidated damages and acceptance of the bid will be contingent upon the fulfillment of this requirement by the bidder. The checks or bid bonds of all, except the three (3) lowest responsible bidders, will be returned within ten (10) days after the bids are opened and read. The successful bidder, as determined by the Owner, will be required to agree that no less than the prevailing rate of wages will be paid to all workmen, laborers, and mechanics performing their work under this contract. All proposals must be made on forms furnished within this set of Contract Documents. The successful bidder will be required to furnish performance bond satisfactory to the owner in the amount of the contract. The owner reserves the right to waive or not to waive any irregularities in the bids and to reject any or all bids and to determine which is the lowest and best bid or combination of bids for the improvements.