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41 what was required to internalize this function. Labor, mate- but the cost to modify the building and install the crane was rials needed, equipment, and cost estimates to rehabilitate too large. Thinking creatively, ALS shopped around for a passenger bridges were all considered. The analysis showed crane that was used to lift boats from the water and found a that even accounting for ALS labor rates, rehabilitation used Tami-Lift mobile gantry crane that had been used at a would save the ACAA 38% of the cost of a new PBB. The marina in Boston Harbor (Figure 35). This proved to be an executive team of the ACAA approved the plan and stopped excellent way to move PBBs around the facility. the procurement process for new PBBs until the overhaul plan was tested and proven. REUSE DECISION, BUILDING MODIFICATIONS, AND STAFFING Two years had passed. To move forward, the ALS Depart- ment needed a facility to work on jetways because major overhauls could not be done while a bridge was in place next to the terminal. In 2007, US Airways terminated the lease on its cargo building and the space reverted back to ACAA. This was the perfect facility for the PBB overhauls (see Fig- ure 34). A few minor modifications were required: Removal of older equipment used by US Airways, Reorganization of the space, Installation of 480-V electrical drops and compressed air drops, Modification of the overhead door to a 16-ft opening, Addition of an improved exhaust and ventilation sys- tem to address air-quality issues, FIGURE 35 Tami-Lift mobile gantry crane. Upgrade of the furnace, and New restrooms. The other aspect of setting up the shop was to figure out the optimum crew size and specify the makeup of trades The facility also needed additional tooling and equip- that would be required to complete individual tasks in the ment, so the ALS Department worked closely with a local overhaul process. Based on site visits to other facilities, ALS fabricator to design and construct support stands and a PBB estimated an initial crew that included a lead mechanic to lifting mechanism. Also needed was equipment to move the oversee the work, another mechanic, an electrician, a painter, PBB around the facility. ALS considered an overhead crane, and two laborers. Other trades were drawn from different FIGURE 34 US Airways cargo building, Pittsburgh International Airport.