Section 61(1)(e) in The West Bengal Factories Rules, 1958
(e)in all work places having serious fire or flash-fire hazards, passages between machines, installation or piles of material shall be at least 90cm. wide. [For storage piles, the clearance between the ceiling and the top of the pile shall not be less than 2m] [Inserted by W. B. Factories Amendment Rules, 1991, dated 27.11.1991.]