CAP. 172]
Tiers, number and slope.
Tiers, height.
Level of pit and stalls.
Entrances and exits.
Places of Public Entertainment.
14. Save in exceptional circumstances, the premises shall not have more than two tiers, including the gallery, above the level of the pit, and a tier shall not be constructed with a slope of more than 35 degrees.
15. The height between any floor and the under side of the tier or ceiling above it shall in no part be less than 10 feet.
16. The floor of the highest part of the pit, or of the stalls where there is no pit, shall not be more than 6 inches above the level of the street at the principal entrance to the pit and the lowest part of the floor of the pit or stalls shall not be more than 15 feet below the level of the street at the principal entrance to the pit, except that where owing to the natural levels of the site and adjoining roads this is not possible then such floor levels shall be subject to the special approval of the building authority.
17. (1) Two separate exits shall be provided from every tier or floor which accommodates not more than 500 persons, and one additional exit shall be provided for every 250 or part of 250 persons above 500.
(2) Two of the exits from each tier or floor shall open into different thoroughfares or ways.
(3) If the tier or floor accommodates not more than 300 persons the width of each exit shall be not less than 4 feet, measured between the walls at any point or between the leaves of the doors when open, and if the tier or floor accommodates more than 300 persons the width of each of the exits shall be not less than 5 feet measured in like manner.
(4) In the case of any premises or portions of premises which are 40 feet or more above pavement level the total width of exits provided shall be 25 per cent in excess of the width required by paragraph (3).
(5) If any tier or floor be divided into two or more parts exits as required by this regulation shall be provided from each of such parts.
(6) In calculating the number of persons who can be accommodated in any tier or floor or part of a tier or floor,
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