One off-street loading berth of not less than 60 feet by 10
feet shall be provided for every new business or industrial use with
a floor area between 2,500 square feet and 20,000 square feet. One
additional berth shall be required for each additional 20,000 square
feet of floor area. Access and space to maneuver shall be sufficient
so that no truck need back onto any public street or across any public
sidewalk. All off-street loading areas shall be located immediately
adjacent to the building containing the business or industrial use.