D4
[Subsidiary] Access panel to be provided.
L.N. 294/76.
Truss and girders.
Tracks for
wheels of stairs.
Factors of safety.
Ventilation of space in which driving machine, etc. installed. L.N. 294/76.
Illumination of machinery space.
Escalator to have balustrade.
Balustrade to
have hand rails.
CAP123
Building (Escalators) Regulations
[1985 Ed.
9. (1) There shall be provided, in the upper part of every escalator, in a position approved by the Director of Fire Services, an access panel.
(2) No dimension of any such panel shall be less than 225 mm.
10. The truss or girder of every escalator shall be-
(a) of sufficient strength to support the stairs and running gear of the escalator when the same are in use; and
(b) such that, in the event of any failure of the track in which the running gear operates, it will retain such gear in the guides provided therefor.
11. The tracks, in which the wheels of the stairs of an escalator run, shall be so designed as to prevent such stairs or the running gear from becoming displaced in the event of the breaking of a step chain.
12. (1) The factor of safety for all structural members of every escalator shall be not less than 5.
(2) The factor of safety for every part of the driving machine of every escalator shall-
(a) if such part is constructed of steel or bronze, be not less than 8; and
(b) if such part is constructed of cast iron or any other material, be not less than 10.
(3) The factor of safety for the power transmission members of every escalator shall be not less than 10.
(4) The factor of safety shall, in every case, be based on the static load.
13. (1) Any space in which the driving machine or controls of any escalator are installed shall be ventilated by means of a vent.
(2) The area of any such vent shall not exceed 0.2 m2.
14. (1) Any space in which any machinery provided for an escalator is installed shall be provided with adequate artificial lighting.
(2) The switch by which such lighting is operated shall be situated adjacent to the door provided to give access to such space.
15. Every escalator shall be provided, on each side of the stairs thereof, with a solid balustrade which shall, on that side facing the stairs of the escalator, be smooth and substantially without projections.
16. Every such balustrade shall be provided with a hand rail which shall be so designed as to move in the same direction and at substantially the same speed as the escalator.