Is there a minimum aisle width required in flammable liquid storage areas?
There are various safe storage distance requirements for containers and portable tanks of flammable liquids in the General Industry standards at 29 CFR 1910.106. Specifications for containers and portable tanks stored indoors are in Table H-14. OSHA does require that side aisles be at least 4 feet wide and the main aisle be at least 3 feet wide. For portable tanks, the restrictions are found in Table H-15. OSHA requires the side aisle to be at least 4 feet wide and main aisles at least 8 feet. [29 CFR 1910.106(d)(5)] Restrictions for containers and portable tanks stored outdoors are discussed in Tables H-16 and H-17. [29 CFR 1910.