(a) Scope. This section sets forth requirements for storage and use of flammable and combustible liquids on roofs at construction sites.
(b) Storage Requirements. Where flammable or combustible liquids in use at a construction site are not removed from the job site at the end of the workday they shall be stored in a metal flammable liquid storage cabinet when not in use. Flammable or combustible liquids may be stored on a roof in connection with work on a roof in a quantity not to exceed one (1) day's supply, but in no case more than 20 gallons.