1964_BUILDING_(LIFTS)_REGULATIONS — Page 6

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[Subsidiary] Ventilation of liftway. L.N. 367/83.

L.N. 294/76.

LX 41960.

Liftway terminating elsewhere than on or in ground.

Special provisions for case where part of building below liftway is used or likely to be used by any person. L.N. 367/83.

Lift pit to be provided, etc. L.N. 294/76. L.N. 367/83.

CAP. 123]

Building (Lifts) Regulations

[1985 Ed.

11. (a) Every liftway shall be ventilated, at the top thereof,

by means of a vent to the open air.

(b) Every such vent shall be situated-

(i) in a position, in one of the walls enclosing the liftway, above the level of the roof of the building and directly below the floor at the top of the liftway; or

(ii) subject to the provisions of sub-paragraph (c), in the floor at the top of the liftway.

(c) Where any such vent is situated in the floor at the top of the liftway, there shall be provided in the walls or roof of the room provided for housing the machinery and other equipment provided for the lift, openings having an area not less than the area of such vent.

(d) The open area of every such vent shall be not less than

0.15 m2 for every lift installed in the liftway.

12. Where any liftway terminates elsewhere than on or in the ground, the floor of the lift pit shall be of fire resisting construction and shall have an F.R.P. of not less than 2 hours.

13. Where any part of any building below any lift pit is used or likely to be used by any person-

(a) the floor of the lift pit shall be so designed and constructed as to be capable of withstanding the greater of the follow- ing stresses-

(b)

(i) (A) the impact of the car of the lift with full rated

load; or

(B) the impact of the counterweight,

descending at its rated speed or, where governor operated safety gear is provided for the lift or counterweight, at the governor tripping speed; and

(ii) an imposed load of 5 kPa; and

(i) the counterweight and car shall be provided with a safety gear; or

(ii) there shall be provided below the counterweight buffer and extending from the ground, a pier of solid construction and of adequate strength.

14. (1) There shall be provided, at the bottom of every liftway, below the level of the lowest lift landing, a lift pit.

(2) Every such lift pit shall----

(a) be of such depth that, when the car of the lift has completely depressed the buffers, there is an adequate clearance between the lowest part of the car, and any projections on the bottom of such car, and the floor of the pit; and