Section 70(1) in The Assam Cinemas (Regulation) Rules, 1960
(1)Construction. - A smoke proof box constructed of sheet iron or steel on a substantial frame work and securely fastened together. The internal height from floor to roof shall be at least 8 feet. If one machine is to be operated the floor space shall not be less than 48 square feet. If more than one machine is to be operated therein an additional 24 square feet shall be provided for each additional machine. The enclosure shall otherwise itself conform in every other respect to a permanent enclosure:Provided that, if the temporary enclosure be kept in "Situ" or stored on the premises and does not travel with a portable apparatus thereby avoiding risk of breakage, such enclosure may be asbestos sheeting or other approved type of fire-resisting material on a substantial fire-resisting frame work.
