Specifications include, but are not limited to: Removing and disposing of existing passenger boarding bridges (PBBs) at Gates C4, D4, C23, and D15; providing new PBBs and associated equipment to replace the removed PBBs; removing and reinstalling various elements of PBB equipment at these gates; and furnishing new PBBs and associated equipment for Gates B1, C3, D3, and E1 for installation by others under a separate contract. The work includes installation and commissioning of PBBs, ground power units, pre-conditioned air units, equipment monitoring system, conductors, breakers, and disconnects. The work also includes removing and disposing of four PBBs stored at a separate location on airport property. Also included is an additive alternate for providing one PBB at Gate C18. The alternate may be awarded solely at the option of the Port.