15-24-130 Grounding of equipment.

   All moving equipment, metal floors and railings, pumps, motors and machinery, in a hazardous use unit used for explosive hazard materials shall be permanently and safely grounded to guard against static electricity sparks.

(Prior code §  129.1-11)

15-24-140 Electrical equipment.

   Explosion-Proof Motors. When electric motors are required in any room containing explosive or flammable vapor or atmosphere, such motors shall be of types approved, for use in hazardous locations, as required by the electrical regulations of this Code.

   Other Motors. Any electrical motor, other than an explosion-proof motor, shall be located in a separate building, or separated by a standard fire wall from any room or hazardous use unit containing explosive or flammable vapor or atmosphere.

   Switches and Control Devices. Every electric switch or other control device in any room required by the first paragraph to have explosion-proof motors, shall be of a type approved for use in the presence of explosive or flammable vapor or atmosphere.

(Prior code §  129.1-12)

15-24-150 Open flame devices.

   No open flame or fire, no torch or other open light, no forge, stove, furnace, oven, boiler or similar device in which heat is operated or used and no electrical or similar device producing an exposed spark shall be permitted in any hazardous use building or room containing explosive or flammable vapor or atmosphere.

(Prior code §  129.1-13)

15-24-160 Exemption from safety clearances.

   Any building, or group of buildings, used exclusively for the purpose of handling, distributing or storage of flammable liquids shall be exempt from the safety clearance requirements of this chapter with respect to any other building or structure, or storage tank within the same group and used for similar purposes, except as provided by Section 15-24-260 for clearance between tanks.

(Prior code §  129.1-13.1)