According to Section 1 of the Environmental and Occupational Health and Safety Manual, EOHS S01-016 Housekeeping:
Smoking is not permitted inside buildings and/or within 50ft of material storage. This includes all offices, rest rooms, locker rooms, production floor, storage areas, coolers, etc.
Smoking is permitted outside in designated areas. Please refer to EOHS 01-006 for further details. To prevent fires and keep the ground neat and orderly, all cigarette/cigar ashes and butts are to be disposed in the provided butt cans or ash-trays only.