(a)   Welding enclosures. All welding and flame cutting operations shall be performed in protected areas with full consideration to safety and fire hazards. Such closed spaces shall be properly ventilated while welding or cutting is being done. Suitable protection against the rays of the electric arc shall be maintained by the contractor where arc welding operations might be viewed within harmful range by persons other than the welding operators and inspectors.
   (b)   Flammable materials. Proper precautions shall be taken to avoid all risk of fire or explosion and no flammable or explosive materials shall be stored in the vicinity of welding or cutting operations.
(Ord. 3229, passed 10-24-1956)