All mechanical automobile washing establishments shall comply with the area, bulk and yard regulations in Schedule 2 herein.

Location. Such establishments shall not be located closer than 400 feet to any Residential Zone boundary line, school, hospital, nursing home or other similar institutional or public use.

Off-Street Parking. Such establishments shall provide a reservoir parking area equal in number to seven times the maximum capacity of the laundry for automobiles awaiting entrance to the premises and 1 1/2 times the maximum capacity of the laundry for automobiles beyond the exit end of the equipment so situated as to be usable for the hand-finishing of the washing process and which shall be no closer than 50 feet to any street line. "Maximum capacity" in this instance shall mean the greatest possible number of automobiles undergoing some phase of laundering at the same time, which shall be determined by dividing the equipment line by 20 feet.

Performance Standards. Such establishments shall comply in all respects with the performance standards herein.