Prefabricated Warehouse office for Bldg. 613 The Contractor shall provide all labor, material, equipment, and transportation to design, manufacture, deliver, and install one (1) prefabricated modular ... Prefabricated Warehouse office for Bldg. 613 The Contractor shall provide all labor, material, equipment, and transportation to design, manufacture, deliver, and install one (1) prefabricated modular in-plant office measuring nominally 60 feet by 12 feet with an interior wall height of 10 feet. The system must accommodate an 8-station layout with projecting privacy panels, 8 pallet staging zones, and a 5.5-foot clear central aisle.