The M-3 District is intended and designed to provide for increased flexibility in the location of certain manufacturing and industrial uses while maintaining protection for nearby residential districts. It allows selected industries of a non-nuisance character to locate in areas near residential uses. The M-3 District is characterized by large lots, with landscaped grounds and ample provision for off-street parking and loading spaces, and structures generally one or two stories in height.
1. Principal Permitted Uses. Only the following uses of structures or land shall be permitted in the M-3 District; provided, however, all manufacturing, assembling, compounding, processing, packaging or other comparable treatment, including storage of any and all materials and equipment, shall take place within completely enclosed buildings, except for parked motor vehicles and off-street parking and loading as required by Section 194.01 of this Zoning Ordinance. In addition, all open areas not used for off-street parking or loading shall be planted with grass, properly maintained, and kept free from refuse and debris.
A. Assembly of small electrical appliances, small industrial and electronic instruments and devices, radios, phonographs and television sets, including the manufacture of small accessory parts only such as coils, condensers, transformers, crystal holders and similar products.
B. Commercial trade schools and business colleges, including dormitory facilities.
C. Compounding and packaging of drugs, pharmaceuticals, cosmetics, perfumes and toiletries.
D. Research, experimental and testing laboratories.
E. Manufacturing, assembling, compounding, processing, packaging or other comparable treatment of the following:
(1) Bakery goods, candy and food products.
(2) Cameras and other photographic equipment.
(3) Electric and neon signs, outdoor advertising signs.
(4) Medical, dental, and drafting instruments.
(5) Musical instruments, toys, novelties, and rubber and metal hand stamps.
(6) Pottery and other similar ceramic products using only previously pulverized clay, and kilns fired only by electricity or gas.
(7) Products from the following previously prepared materials: bone, canvas, cellophane, cloth, cork, rope, cord, twine, feathers, felt, fiber, fur, glass, hair, horn, leather, paper, cardboard, plastics, natural and synthetic rubber, precious or semiprecious metals or stones, shells, textiles, tobacco, wax, wood, yarns, light metal mesh, pipe, rods, strips or wire.
(8) Small precision instruments, such as barometers, clocks, watches, and compasses.
F. Office buildings.
G. Printing, lithographing or film processing plants.
H. Radio and television broadcasting stations and studios, but not including antennas or towers.
I. Warehouses for storage of merchandise or material in connection with the uses permitted in this district only.
2. Permitted Accessory Uses. Permitted accessory uses in the M-3 District are as follows:
A. Accessory uses of land or structures customarily incidental and subordinate to any of the principal uses set forth in subsection 1.
B. Dwelling for any watchman or caretaker.
C. Employee cafeteria or other food concession in conjunction with a permitted use.
A. Front Yard: 50 feet.
B. Side Yard: two side yards, each 10 feet wide or one side yard 20 feet wide; provided, however, where adjacent to an R district on the street right-of-way line, 50 feet.
C. Rear Yard: 50 feet.
D. Maximum Floor Area Ratio: One to one.
E. Maximum Height: 35 feet.
F. Maximum Number of Stories: two stories.