Preliminary site plan. For any site plan involving nonresidential development there shall be a review fee of fifty ($50.00) dollars for the first twenty thousand (20,000) square feet of lot area or fraction thereof, plus ten ($10.00) dollars for each ten thousand (10,000) square feet or fraction thereof of lot area over twenty thousand (20,000) square feet, plus fifty ($50.00) dollars for the first one thousand (1,000) square feet of floor area of any new building or alteration of or addition to any existing building on the subject property, plus ten ($10.00) dollars for each one thousand (1,000) square feet. No site plan for preliminary approval shall have a review fee less than one thousand ($1,000.00) dollars.