Does anyone have any sugestions on a bid for cleaning a parking lot. I need to prepare a bid on cleaning one that totals 53,000 sq. ft. It is an asphalt parking lot at a resturant. I am also giving a bid there on other flat work and awnings, I have that figured out ok. They did not say so, but if I give a decent price I might be able to get another 6 resturants in the area on a contract .