(1) Use Regulations--General. The specific uses permitted in this district shall be the erection, construction, alteration, or use of buildings and/or land for the following uses, to be conducted wholly within a completely enclosed building or in an inner court, except for off-street parking and loading incidental to the use.

(a) The uses permitted in "L-3" Limited Industrial District, with all use qualifications (except the qualification of being conducted wholly within a completely enclosed building) removed;

(b) Auto, machine or wagon repair shop, including auto body and fender work and painting;

(c) Blending and compounding lubricating oils and greases from purchased mineral, animal, and vegetable materials;

(d) Brewing of malt and malt liquors;

(e) Canning of meats, fruits, vegetables, soups, preserves, jams, jellies, and other foods, except seafoods; preparation of all foods and food products not specifically listed in any Least Restricted District;

(f) Carpet cleaning and repairing;

(g) Public stable or dog kennel, provided that a Board of Adjustment Certificate shall be required;[221]

(h) Distilling, rectifying, blending and/or mixing of alcoholic products;

(i) Laundry and dry cleaning;

(j) Machine shops;

(k) Manufacture of:

(.1) Aircraft, including component parts and auxiliary equipment;

(.2) Apparel and garments of all sorts assembled from purchased rubberized fabrics or plastics;

(.3) Baking powder, yeast, and other leavening compounds;

(.4) Bicycles and parts; wheelbarrows; pushcarts; motor vehicles; motorcycles; motorboats; sailboats, rowboats, lifeboats, canoes, and other boats; provided, that boat construction shall be limited to vessels of 5 gross tons or less;

(.5) Brooms and brushes; morticians' goods; signs and advertising displays;

(.6) Electric motors and generators; carbon and graphite products for electrical use; storage and primary batteries (wet or dry); electrical equipment for transmission and distribution (including power and specialty transformers); circuit-breakers; other electrical apparatus for industrial use;

(.7) Fabricated metal products: including metal cans; cutlery, hand tools and general hardware; heating apparatus and metal plumbing fixtures; fabricated structural metal products, screw-machine products (including bolts, nuts, screws, rivets and washers); metal stampings, fabricated wire products (except for rubber insulated wire), and other fabricated metal products, including pipes and pipe fittings;

(.8) Furniture, partitions, shelving, lockers, office and store fixtures, venetian blinds and window shades;

(.9) Games, toys, children's vehicles, sporting and athletic goods, including firearms;

(.10) Glass, glassware and glass products; structural clay products; pottery, plumbing fixtures, china, earthenware and porcelain products; refractories, and/or crucibles; concrete products (excluding the manufacture of cement); provided, that smoke controllers, dust collectors, exhaust washers, sediment tanks, or similar equipment to prevent escape of smoke and dust are installed and maintained;

(.11) Lead pencils, crayons, candles, artists' materials, carbon paper, inked ribbons, steel letters and figures for marking;

(.12) Leather footwear, leather footwear cut stock and findings, and leather industrial belting and packing;

(.13) Locomotives, railroad cars, rapid transit vehicles, including component parts and auxiliary equipment;

(.14) Machinery, including engines and turbines; farm machinery and equipment; construction, mining and materials handling machinery and equipment (including elevators and escalators); metalworking machinery and equipment; industrial machinery; and other machinery and parts;

(.15) Musical instruments and parts;

(.16) Perfume, cosmetics, and other toilet preparations;

(.17) Phonograph records;

(.18) Photographic equipment and supplies;

(.19) Pickled fruits and/or vegetables (including sauerkraut); vegetable sauces, seasonings, and salad dressings;

(.20) Plastic articles, from purchased plastics;

(.21) Prepared meats and meat specialties;

(.22) Roasted coffee and coffee extracts;

(.23) Silverware; articles plated with silver, gold, or other metals; articles of nickel silver, pewter, or stainless steel tableware; provided, that any plating operation shall not occupy a total area of more than 2,500 square feet;

(.24) Vinegar; cider; flavoring extracts and syrups;

(.25) Wines, brandy and brandy spirits;

(l) Painting, enameling, japanning, lacquering, oiling, staining, and/or varnishing;

(m) Radio and television transmission, including towers;

(n) Repair of any product permitted to be manufactured in this district; provided, that this paragraph shall not be construed to limit repair uses specifically permitted in any Commercial or Limited Industrial District;

(o) Textile mills, and textile mill products; including woven fabric mills; knitting mills; dyeing and finishing; floor covering mills (except rugs of jute, burlap, or sisal); yard and thread mills; manufacture of tire cords and belting cords; and other kindred textile goods;

(p) Trucking and railroad freight terminals, yards and shops;

(q) Public service heat, light or power plant; provided, that smoke controllers are installed and maintained;

(r) Accessory uses, customarily incidental to any of the above permitted uses.

(s) Outdoor advertising signs as permitted in Chapter 14-1604 of this Title.[222]

(2) Area Regulations.

(a) Occupied Area. Not more than 65% of the lot area shall be occupied by buildings;

(b) Open Area. The open area shall be not less than 35% of the area of the lot and shall consist of at least the required minimum front, side, and rear yards, plus such other yards, inner courts or open courts as shall be required to equal an area not less than the total open area above required.
(c) Building Set-back Line. The building set-back line shall be 20 feet from all street lines.

(d) Yards.

(.1) Front. The required minimum depth of a front yard shall be the depth required between the street line and the building set-back line, as herein specified;

(.2) Side. Each building shall have two side yards, neither of which shall be less than 12 feet in width; provided, that where such building is located on a corner, the front yard on the intersecting street shall be adjudged a side yard, and its width shall not be less than the set-back required;

(.3) Rear. The required minimum depth of a rear yard shall be 12 feet.

(e) Courts. The minimum width of a court between the wings of the same building shall be 12 feet. The least dimension of an inner court shall be eight feet, and such court shall contain a minimum area of 100 square feet.

(3) Height Regulations. There shall be no height regulations except as height may be limited by the other provisions of this district.

(4) Floor Area. No building in this district shall have a gross floor area (as defined in § 14-102(25)) greater than 195% of the area of the lot.

(5) Bulk Regulations. The total bulk of a building or structure in cubic feet shall not exceed a number equal to 20 times the gross floor area permitted.

(6) Off-street Loading. Off-street loading spaces shall be provided in accordance with Chapter 14-1400 of this Title.

(7) Off-street Parking. With every building erected or extended in this district after the effective date of this ordinance there shall be provided one off-street parking space for each 800 square feet of floor area in such building in accordance with the provisions of Chapter 14-1400 of this Title; provided, that:

(a) Parking required for extensions or additions shall be computed for the floor area of the extended or added portion only;

(b) For warehouses and other buildings and structures used primarily for storage, one off-street parking space shall be provided for every 2,500 square feet of the gross floor area of the building, in accordance with the provisions of Chapter 14-1400 of this Title.

(8) Signs.[223] Signs accessory to uses on the premises shall be permitted in this district only under the following conditions, subject to Section 14-507(8)(c) below:[224]

(a) Signs facing one street line or utility right-of-way line shall be permitted an area of 15 square feet for each lineal foot of street line or utility right-of-way line, subject to the limitations provided for in (c) below.

(b) Signs facing more than one street line or utility right-of-way line shall be permitted an area upon each street line or utility right-of-way line as follows:

(.1) The shorter street line or utility right-of-way line frontage shall be permitted a sign area of 15 square feet for each lineal foot of street line or utility right-of-way line.

(.2) The longer street line or utility right-of-way line frontage shall be permitted a sign area of 5 square feet for each lineal foot of street line or utility right-of-way line; further provided, that the total sign area on the longer street line or utility right-of-way line frontage shall not be less than the equivalent sign area permitted upon the shorter street line or utility right-of- way frontage.

(.3) Where a sign faces two or more shorter and/or longer street line frontages or utility right-of-way line frontage, the provisions of (.1) and (.2) shall apply to each of the said street or utility right-of-way frontages.

For (a) and (b) above, square footage permitted may be applied for each sign facing.

(c) The maximum sign area permitted for signs along each street or utility right-of-way frontage shall be as follows:

(.1) Subject to provisions of (8)(a) or (8)(b) above and provided frontage is a minimum of 60 feet in width, the maximum sign area permitted for signs along each street or utility right-of-way frontage shall be 1,500 square feet of sign area for each sign facing; provided further, that said sign area total on all facings shall not exceed 3,000 square feet.

(.2) Where a street or utility right-of-way frontage is smaller than 60 feet in width, the maximum sign area shall be 1,000 square feet for each sign facing and said total of all facings shall not exceed 2,000 square feet.

(d) Signs may be illuminated; provided, that the illumination shall be focused upon the sign itself, so as to prevent glare upon the surrounding areas.

(e) Signs with flashing or intermittent illumination shall neither be erected within 100 feet of any residential district, nor face any residential district within 200 feet of the sign.

(f) Signs which revolve shall require a Certificate from the Zoning Board of Adjustment.

(g) Any revolving devices which cause intermittent flashes of light to be projected shall be prohibited.