(1) Use Restrictions. The specific uses permitted in this district shall be the erection, construction, alteration or use of buildings or premises and/or land for:

(a) Docks, wharves, piers or transit sheds and related facilities, used in connection with the transfer, storage-in-transit and incidental processing of cargo from or to waterborne craft.

(b) Outdoor advertising signs as permitted in Chapter 14-1604 of this Title.[244]

(2) Area Restrictions.

(a) Occupied Area. Structures may occupy 100 percent of the area so zoned.

(b) Open Area. Where any space is left open between structures, and between structures and lot lines other than street lines, such open space shall have a minimum dimension of twelve feet.

(3) Signs.[245] Signs accessory to uses on the premises shall be permitted in this district only under the following conditions, subject to Section 14-510(3)(c) below:[246]

(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 line 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 (3)(a) or (3)(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 on 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, not 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.

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

(5) Off-street Parking. With every building erected in this district after the effective date of this ordinance there shall be provided one off-street parking space for each 2,400 square feet in such building in accordance with the provisions of Chapter 14-1400 of this Title; provided, that:

(a) For warehouses and other buildings and structures used primarily for storage, one off-street parking space shall be provided for every 3,700 square feet of the gross floor area of the building, in accordance with the provisions of Chapter 14-1400 of this Title.