15-28-090 Sprinklers – Where prohibited.

   No sprinkler system shall be permitted in any hazardous chemical room or in any hazardous chemical storage building, where the chemical has the ability to react with water to produce substances or violent chemical reactions which increase the hazard. When the presence of water will not add to the hazard, a standard sprinkler system shall be required in such hazardous chemical room or building as directed in Chapter 15-16 of this Code.

(Prior code §  92-9)

15-28-100 Danger signs.

   Every hazardous chemical room and every hazardous chemical storage building shall have the words “Hazardous Chemical – Use No Water” painted in a conspicuous position on the outside of every entrance door thereto. Such wording shall be in plainly legible bright red letters on a white background with letters not less than six inches high and with the principal strokes thereof not less than three-fourths inch in width.

(Prior code §  92-10)

15-28-110 Special safety clearances.

   No hazardous chemical storage building shall be located nearer than 100 feet to any building in which there is an institutional, assembly or open air assembly unit, except as otherwise provided.

(Prior code §  92-11)

15-28-120 Fire prevention requirements.

   The storage and handling of hazardous chemicals shall comply with the following requirements:

   (1)   Quantities in excess of the limits specified in Section 15-28-040 or in excess of one day's supply shall be stored or used in rooms or buildings complying with the requirements herein. Whenever one day's supply exceeds the amount specified in Section 15-28-040, a notarized letter from the user stating the amount used in one day shall be filed with the fire commissioner. Upon any change in that amount, the fire commissioner shall be notified within 24 hours.

   (2)   All shelving used in connection with the storage of such hazardous chemicals shall be of substantial noncombustible construction.

   (3)   No other combustible material or flammable liquids shall be permitted in any such room.

   (4)   Defective containers which permit leakage or spillage shall be disposed of or repaired in an approved manner. No spilled materials shall be allowed to accumulate on floors or shelves.

   (5)   Signs having a white field with red letters four inches high and a one-half-inch stroke shall be conspicuously posted. Such sign shall read “Hazardous Chemicals – Keep Fire Away”.

(Prior code § 92-12; Amend Coun. J. 5-18-16, p. 24131, § 153)

15-28-130 Fire-resistive separation.

   Every hazardous chemical room, other than a vault for the storage of a hazardous chemical shall be separated from all other parts of the building by a four- hour fire separation, with no window or other opening, except a doorway or doorways between such vault and any other part of a building protected with a single Class A fire door installed in accordance with Chapter 15-12.

(Prior code §  92-13)

15-28-140 Standard fireproof vaults.

   Every vault for the storage of hazardous chemicals shall be a dry, waterproof, standard fireproof vault. No such vault shall be located in any floor or building in which it is prohibited under Section 13-112-140.

(Prior code §  92-14; Amend Coun. J. 6-14-95, p. 2841)

15-28-150 Tank storage.

   Tanks, which contain more than 55 gallons of hazardous chemicals, shall be located outside of any building or buried below ground level. When aboveground, said tank or tanks containing liquids, shall be diked. Each dike shall have a capacity of not less than one and one-half times the combined capacity of the tank or tanks it surrounds. Dike construction shall be as specified in Section 15-24-170 of this Code; provided, however, the material of the dike walls shall be inert with respect to the materials contained within the tank or tanks.

(Prior code §  92-14.1)