1956-HKRS30-8-46_Part03 — Page 5

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Staircase to be fire resisting.

Staircasen.

réség in

Stair-

buildings

BUILDING (PLANNING) REGULATIONS, 1956

PART V.

Staircases and fire escapes.

34. Where any building exceeds a storeys in height, the main staircase shall be constructed for its whole height of materials having a fire-resistance period, as defined in Part XIII of the Building (Construction) Regulations, of not less than 1 hour.

35. (1) Every building which exceeds 1 storey in height shall be provided with a staircase or staircases to give access to upper floors unless there is separate access to such upper floors.

(2) The main staircase of every building which exceeds 4 storeys in height shall be continued to the roof of the building unless a secondary staircase or fire escape is provided.

(3) The main staircase of every building which exceeds one storey in height shall-

(a) have a clear height of not less than 6 feet 6 inches; (b) have a clear width of not less than 3 feet;

(c) be constructed with treads not less than 9 inches in width (measured at the centre of the flight) from the face of one riser to the face of the next riser and with risers not exceeding 7 inches in height;

(d) have not more than 16 steps in any flight without the

introduction of a landing;

(e) be provided on one side at least with properly fixed

handrails;

(n be so arranged as to provide access to a street or to an

open space leading thereto; and

(g) if continued to the roof of the building as a means of escape in case of fire be provided with a door at this level, such door to be glazed in the upper panels.

36. In any building intended for separate occupation by more than two tenants, the staircase intended for common use intended for shall-

Beparate

occupation.

(a) be constructed for its whole height of fire resisting materials as provided in Part XIII of the Building (Construction) Regulations;

BUILDING (PLANNING) REGULATIONS, 1956

(b) be provided with natural lighting at each storey above the ground floor and be ventilated at least at its highest point.

37. Every building shall-

(a) be provided with such means of escape in case of fire as may be required by the intended use of a building; (b) if more than 6 storeys in height, be provided with a second staircase as alternative means of escape in case of fire in addition to its main staircase.

Fire escapea.

38. The minimum dimension of every landing, lobby or Landings, passage shall not be less than the width of the staircase to which lobbies and it leads.

passages.

from

39. Every part of any building intended for habitation or of Distance any school or of any building used as a place of public assembly staircase. shall be not more than 80 feet from a staircase, passage or other normal means of egress.

40. (1) Where revolving doors or turnstiles are used an Revolving alternative means of exit shall be provided in close proximity. doors and turnstiles. (a) In any place of public assembly turnstiles, if used, shalt be kept clear of the line of exit.

PART VI

Domestic buildings.

41. (1) Every domestic building, and unless exempted by Kitchens. the Building Authority any part of a domestic building which is intended to be separately let for dwelling purposes, shall be provided with kitchen accommodation.

(a) The internal surface of every kitchen to a height of at least 4

feet from floor level shall be faced with tiles or rendered in cement mortar, not less than 1 inch in thickness, or other non- absorbent material.

(3) Every kitchen shall be provided with a-

(a) properly constructed fireplace or cooking slab unless the

cooking is to be done by gas, oil or electricity;

(b) sink and fittings for the supply of water.