Paint on walls is damaged. Despite locked storage rooms, nowhere near the work areas, personal computers, TV's, VCR's, somehow got stolen. The contractor and workers have free access to their area of the building, or in our case, the entire building. With the main electricity off, the alarm systems didn't work. Besides, they cut alarm wires, too.
Contractors get behind.
There are delays. Equipment breaks down. Most public schools out here have major removals in the summer, so contractors move workers to those sites as needed. Before the removal, there were lots of tests to determine base levels. The test results were sent to the presidents office.