Specifications include, but are not limited to: •Removal of 15 existing passenger boarding bridges, 15 ground power units, 15 PC Air units and all associated equipment and foundations •The supply and installation of seventeen (17) new Passenger Boarding Bridges (PBB), seventeen (17) new fixed walkways, one (1) extended corridor, seventeen (17) new Aircraft Ground Power Units (GPU) and seventeen (17) new Aircraft Pre-conditioned Air Units (PC Air) for various gates at ORF. •Construction of new foundations to support the new passenger boarding bridges. •Aircraft apron and sidewalk modification work •Apron aircraft markings •Minor metal panel envelope modifications. •Hazardous materials •A pedestrian boarding bridge, PC Air, and GPU monitoring system and associated new communication backbone for the facility.