1985 Ed.]
Building (Escalators) Regulations
[CAP. 123
17. No such balustrade shall have any glass panels therein unless the glass is of a tempered or laminated type.
18. (1) Subject to the provisions of paragraph (2), the width between the balustrades of any escalator shall, at a level 700 mm above the nose line of the tread surface of the stairs of the escalator, be not less than 600 mm nor more than 1250 mm.
(2) The width at such level shall not, in any case, exceed the width between the balustrades, at the level of the tread surface of the stairs, by more than 330 mm.
19. (1) Every stair of an escalator shall be such that the width, in the direction of travel, from the face of one riser to the face of the next riser, is not less than 400 mm.
(2) The rise of any such stair shall be not more than 215 mm.
(3) The width of any such stair shall be not less than 400 mm.
(4) The clearance between every 2 such stairs shall be such that, on the horizontal run thereof, the distance between them is not more than 4 mm.
20. (1) The stairs of every escalator shall be illuminated throughout their travel.
(2) The intensity of the light on the tread surface of the stairs shall be not less than 55 lx.
21. (1) The tread surface of every stair of an escalator shall be slotted in a direction parallel with the direction in which the escalator travels.
(2) Every such slot shall be not more than 7 mm in width and not less than 10 mm in depth, and the distance from centre to centre of adjoining slots shall be not more than 10 mm.
22. (1) There shall be provided, at the entrance to and exit from every escalator, a combplate.
(2) Every such combplate shall be such that-
(a) it is adjustable both horizontally and vertically; and
(b) sections forming the same are readily removable in case of emergency.
(3) The teeth of every combplate shall be so meshed with and set into the slots of the tread surface of the stairs of the escalator that the points of such teeth are always below the upper surface of such tread surface.
D5
[Subsidiary]
Prohibition of glass panels in balustrade. L.N. 359/80.
Width of escalator between balustrades. L.N. 294/76. L.N. 359/80.
Stairs. L.N. 294/76.
Illumination of stairs. L.N. 294/76.
Tread surface of stairs to be slotted, etc. L.N. 294/76.
Combplates.
23. No escalator shall have an angle of inclination exceeding 30° from the horizontal.
Angle of inclination.
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