Be sure to read your specs. Some I have read called for almost brand new Square D bolt on panels to be replaced and other demo work.
Also the mall may have a say when you can make noise and cut concrete and the like. This may require after normal hours to do.
Some questions to find out: Who is responsible for cleanup and disposal? Do you have a storage area on site? What is the schedule? Is it reasonable? Who will have the extra wires for the lay-ins?
Bid smarter, not harder.
