(1) Each tier, gallery or balcony with more than fifty seats shall have at least two independent staircases leading directly to ground floor, passage or verandah with doors to the open.
(2) No staircase shall be less than 1.5 m wide, width being measured between the handrails.
(3) All staircases shall be constructed of fire proof materials with fire-resisting roof and ceiling and shall have solid steps of landing with treads of not less than 300 millimeters measured horizontally between nose to nose with non-slippery finish and with solid risers of not more than one hundred and sixty five millimeters high in flight of not more than fifteen or less than three steps. There shall not be any winders:
Provided that in case of elliptical and other curved forms of stairs, the tread on the inner side shall not be less than 250 millimeters.
(4) No staircases shall have more than two flights of fifteen steps without a turn and the width of the landing between such flights shall be at least the same as the width of the staircase.
(5) Ramp shall not be steeper than 1:10
(6) No winders shall be used in any staircase.
(7) Every staircase forming an exit from an upper tier, gallery or balcony of the auditorium shall be enclosed on both sides with walls of brick or fire-resisting materials in the stories through which it passes:
Provided that staircases leading to the first or lower tier, gallery or balcony may be left open on one side in which case the open side shall be provided with extra stout-hand rails and balusters, but in no case shall the staircase be left open on both sides.
(8) The tread and risers of steps on each staircase shall be of uniform central width and height.
(9) Where the flight of steps returns upon itself, the newel wall shall be chased so as to allow the handrails to run without projecting over the landing.
(10) All staircases shall have on both sides strong hand-rails firmly secured to the wall by strong metal brackets about seventy-five millimeters clear there from and about one meter above the stairs but such hand-rails shall not run on level platforms and landing where the length of such platform or landing exceeds the width of the stairs.
(11) There shall be no recesses or projections in the walls of such staircases within 2.2 meters of the floor and any fittings, for lighting shall be at least 2.2 meters of above the steps or landing.
(12) There shall be a minimum of 2.15 meters head room.