Other provisions and requirements for business uses are as follows:
(a) Parking and Loading Areas.
(1) Parking spaces shall be provided on the lot, or within three hundred (300) feet thereof on a site approved by the Board, as indicated in 1327.06.
(2) Loading and unloading berths shall be provided on the lot as indicated in 1327.07.
(3) Parking requirements shall not apply in a block where fifty percent (50%) or more of the area was occupied by business or industrial structures at the time of passage of this Zoning Ordinance, except where changes in use occur which will require additional parking. This exception may be waived by City Council in the CBD district.
(4) Groups of uses requiring parking space may join in establishing group parking area with capacity aggregating that required for each participating use.
(5) Public parking area and loading and unloading berths shall be paved with a bituminous or concrete hard surface.
(6) Loading and unloading berths shall not be required for business uses which demonstrably do not receive or transmit goods or wares in quantity by track delivery.
(7) Parking and accessory uses are permitted in the required front yard in the B1 Districts. (1969 Code §27-29)
(b) Rear Yard Regulations. One-half of an alley abutting the rear of a lot may be included in the rear yard, but such alley space shall not be included for loading and unloading berths. (1969 Code §27-27)
(c) Front Yard Regulations. Where twenty-five percent (25%) or more of the lots in a block are occupied by buildings, the setback of such buildings shall determine the dimension of the front yard in the block. (1969 Code §27-26)
(d) Height Regulations. The maximum height requirement in Section 1327.05 may be increased if buildings are set back from front and rear property lines, one foot for each two (2) feet of additional height above the maximum height requirement.
Chimneys, cooling towers, elevator bulkheads, fire towers, penthouses, stacks, tanks, water towers, transmission towers or essential mechanical appurtenances may be erected to any height not prohibited by other laws or ordinances. (1969 Code §27-28)