1959-HKRS30-8-49_Part02 — Page 21

Citation and

ment.

Interpre tation.

(G.N.A. 37/36).

Refuse chule

to be vertical,

etc.

No bends or

2

BUILDINGS ORDINANCE, 1955.

(No. 68 of 1955).

BUILDING (REFUSE CHUTES) Regulations, 1959.

In exercise of the powers conferred by section 26 of the Buildings Ordinance, 1955, the Governor in Council has made the following regulations-

1. These regulations may be cited as the Building (Refuse Chutes) Regulations, 1959, and shall come into operation on the 1st day of January, 1960.

2. In these regulations, save where the context otherwise requires-

"approved" means approved by the Building Authority;

"container chamber" means the chamber into which a refuse chute discharges and in which refuse containers, if provided, are placed; "hopper" means the fitment on a refuse chute into which refuse is

placed and from which it is projected into the chute;

"open air" has the meaning assigned to it by regulation 2 of the Building

(Planning) Regulations, 1956;

"refuse container" means a receptacle in which refuse from a refuse

chute may be stored.

3. (1) Every refuse chate shall

(a) save as provided in regulation 4, be vertical; and

(b) terminate at its lower level in a container chamber.

(2) The top of every refuse chute shall be not less than twelve inches above the top of the highest hopper.

4.

(1) Save at the foot of any refuse chute, or above the level offsets in any of the highest hopper, no refuse chute shall have a bend or offset therein. (2) Where any refuse chute has an offset at the foot thereof, such offset shall-

refuse chute.

(a) have a slope of not less than 60° to the horizontal; and

(b) be constructed of replaceable galvanized steel of not less than

12 Standard Wire Gauge.

Lining and

5.

Every refuse chute sball-

internal

(a)

size of

refuse chutes.

be lined with glazed ware or other impervious tubes; and (b) have an internal diameter of not less than eighteen inches.

3

6 The walls of every refuse chute shall be constructed of solid walls. brick or concrete, not less than four inches thick, exclusive of any lining.

7. Every refuse chute shall be provided at its lower end with a Refuse chute galvanized steel shulter so constructed as to enable the chute to be to be pro vided with closed when necessary,

shutter.

8. (1) Every refuse chute shall be provided at the top thereof Ventilating with a ventilating pipe.

pipe for

(2) Every such ventilating pipe shall-

(a) have an internal area of not less than seventy square inches:

and

(b) be carried up from the top of the chute to a beight, above the

roof of the building, of not less than three feel.

(3) (a) The end of every such ventilating pipe shall be provided with a grating or grille having apertures of an aggregate area not less than the sectional area of the pipe.

(b) The least dimension of every such aperture shall be not more

than half an inch.

refuge chute.

9. (1) Every refuse chute shall be provided, above the level of Inspection the highest hopper, with an access opening, not less than nine inches

and cleansing of refuse in diameter, for the inspection and cleansing of the chute.

(2) Every such access opening shall be provided with a close fitting metal cover.

chute.

10. (1) The internal surface of every refuse chute shall be smooth Construction and impervious and shall be formed of or lined with glazed ware or

of internal surface of other approved material.

refuse chute.

(2) Where such surfaces are formed of or lined with pipes, the pipes shall be-

(a) jointed in-

(i) cement mortar in the proportion of one volume of cement to one volume of sand; or

(ii) other approved material; and

(b) securely and solidly bedded into the walls of the chute.

Lt. Every hopper shall be situated in a place permanently situation of ventilated to the open air.

bopper.

12. (1) The mouth of every hopper shall have a clear opening Construction baving dimensions not less than ten inches by six inches and not more than fourteen inches by ten inches.

of hoppers.