1984 Ed.]
Building (Refuse Storage Chambers and Chutes) Regulations
{CAP. 123
H 5
[Subsidiary]
11. (1) Every storage chamber shall be provided, in the floor thereof, with an outlet drain.
Drainage of storage chambers.
(2) Every such drain shall be—
(a) provided with a grating; and
(b) connected, by means of a pipe having an internal diameter of not less than 100 mm, to a back inlet trapped gully.
(3) Every such gully shall be
(a) situated in a position immediately outside the storage chamber;
(b) fitted with an airtight cover to provide access to the gully for inspection and cleaning; and
(c) connected to a drain provided for the carriage of foul water.
12. (1) For the purpose of cleaning the same, there shall be provided, in every storage chamber, a water supply point.
(2) Such water supply point shall be connected to the supply of water provided for flushing the soil fitments in the building for which the storage chamber is provided.
13. Where a refuse chute is provided in any building it shall be so designed as to—
(a) be vertical save as provided in regulation 14;
(b) terminate at its lower level in a storage chamber; and
(c) comply with the requirements of regulations 14 to 25.
14. (1) No refuse chute shall have a bend or offset in it except at its foot or above the level of the highest hopper.
(2) Where any refuse chute has an offset at the foot thereof, such offset shall—
(a) have a slope of not less than 60° to the horizontal; and
(b) be constructed of replaceable galvanized or stainless steel of not less than 3 mm thickness.
15. The top of every refuse chute shall be not less than 300 mm above the top of the highest hopper.
16. Every refuse chute shall—
(a) be lined with glazed ware or other impervious tubes; and
(b) have an internal diameter of not less than 450 mm.
17. The walls of every refuse chute shall be constructed of solid brick or concrete, and shall be not less than 100 mm thick, exclusive of any lining.
Storage chambers to have water supply point.
Refuse chutes to comply with regulations 14 to 25.
Bends or offset in any refuse chute prohibited.
Minimum height of top of refuse chutes.
Lining and internal size of refuse chutes.
Walls of refuse chutes.
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