BUILDING (REFUSE STORAGE CHAMBERS AND CHUTES) REGULATIONS

BUILDING (REFUSE STORAGE CHAMBERS AND CHUTES) REGULATIONS

BUILDING (REFUSE STORAGE CHAMBERS AND CHUTES)
REGULATIONS

ARRANGEMENT OF REGULATIONS

Regulation Page
1. Citation ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... H 2
2. Interpretation ... ... ... ... ... ... ... ... ... ... ... ... ... ... H 2
3. Storage chambers to be provided for in plans relating to buildings specified
in the Schedule ... ... ... ... ... ... ... ... ... ... ... ... ... H 3
4. Storage chambers to comply with regulations 5 to 12 ... ... ... ... ... ... H 3
5, Access to storage chambers for emptying refuse containers ... ... ... ... H 3

6. Storage chambers to be fully enclosed save for door etc . ... ... ... ... ... H 4
7. Storage chambers to have one external wall ... ... ... ... ... ... ... ... H 4

8. Minimum dimensions of storage chambers ... ... ... ... ... ... ... ... H 4
9. Construction of storage chambers ... ... ... ... ... ... ... ... ... ... H 4
10. Access door to storage chambers and construction thereof ... ... ... ... H 4
11. Drainage of storage chambers... ... . 1 . ... ... ... ... ... ... ... H 5
12. Storage chambers to have water supply point ... ... ... ... ... - ... H 5
13. Refuse chutes to comply with regulations 14 to 25 ... ... ... ... ... ... H 5

14. Bends or offset in any refuse chute prohibited ... ... ... ... ... ... ... H 5
15. Minimum height of top of refuse chutes... ... ... ... ... ... ... ... H 5
16. Lining and internal size of refuse chutes... ... ... ... ... ... ... ... H 5
17. Walls of refuse chutes... ... ... ... ... ... ... ... ... ... ... ... H 5
18. Refuse chute to be provided with shutter... ... ... ... - - - ... H 6
19. Ventilating pipe for refuse chute ... ... ... ... ... ... ... ... ... ... H 6

20. Inspection and cleansing of refuse chute... 1 .. ... ... ... ... ... ... H 6
21. Construction of internal surface of refuse chute ... ... ... ... ... ... ... H 6
22. Situation of hopper ... ... ... ... ... ... ... ... ... ... ... ... ... H 6
23. Construction of hopper ... ... ... ... ... ... ... ... ... ... ... ... H 6

24. Hopper recess ... ... ... ... ... ... ... ... ... ... ... ... ... ... H 7
25. Junction of hopper with refuse chute ... ... ... ... ... ... ... ... ... 117
Schedule ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... H 7





BUILDING (REFUSE STORAGE CHAMBERS AND CHUTES)
REGULATIONS

(Cap. 123, section 38)

[1 January 1985.]

1. These regulations may be cited as the Building (Refuse
Storage Chambers and Chutes) Regulations.

2. In these regulations, unless the context otherwise requires---
,,aggregate usable floor space' in relation to a composite building
means the aggregate of the usable floor space of the domestic
building component of that composite building and one third of
the usable floor space of the non-domestic building component
of that composite building;

'approved' means approved by the Building Authority;

'church' means a building constructed or intended to be used
principally for the purpose of religious worship;
'collection authority' means-

(a) in respect of the urban areas, the Urban Council; and
(b)in respect of the New Territories (excluding New Kowloon),
the Director of Urban Services;

'external wall' means an outer wall of a building not being a party
wall, even though adjoining a wall of another building;
'floor area' means-

(a)in relation to a composite building, the aggregate usable
floor space; or
(b) in relation to any other building, the usable floor space;
'foul wate?' has the meaning assigned to it by the Building
(Standards of Sanitary Fitments, Plumbing, Drainage Works
and Latrines) Regulations;
'hopper' means the fitment on a refuse chute into which refuse is
placed and from which it is projected into the chute;
'industrial building' means-

(a) a godown; or

(b)a building in which articles are manufactured, altered,
cleaned, repaired, ornamented, finished, adapted for sale,
broken up or demolished, or in which materials are trans-
formed;

,,open air' has the meaning assigned to it by the Building (Planning)
Regulations;
'plan' means a plan submitted to the Building Authority for
approval under section 14 of the Ordinance;





'refuse container- means a receptacle in which refuse is intended to
be stored;
',school' means a building constructed or intended to be used
principally for the purpose of primary, secondary or tertiary
education and includes a building used wholly for the provision
of a day nursery, kindergarten, play group, play school or
otherwise for the day-time care and education of children and a
building used principally for other full-time education;
,,soil fitment' has the meaning assigned to it by the Building
(Standards of Sanitary Fitments, Plumbing, Drainage Works
and Latrines) Regulations;
',storage chamber' means a chamber in which a refuse container is
stored;
-storage chamber with vehicular access' means a storage chamber
to which vehicular access is provided adequate for the ingress
and egress of a refuse collection vehicle of a type customarily
used by the collection authority;

,,usable floor space' means any floor space other than staircases,
staircase halls, lift landings, the space used in providing water
closet fitments, urinals and lavatory basins and the space
occupied by machinery for any lift, air-conditioning system or
similar service.

3. (1) Every plan relating to a building of a description, or 2
or more buildings both or all of which are of the same description,
specified in the first column of the Schedule with a total floor area
specified opposite that description of building in the second column
thereof shall show provision for a storage chamber of the description
specified opposite that floor area in the third column and such storage
chamber shall have a total floor space of not less than that specified
opposite that storage chamber in the fourth column thereof.

(2) In the case of a plan relating to 2 or more buildings falling
within 2 or more of the descriptions specified in the first column of
the Schedule, paragraph (1) shall apply as if those buildings were
comprised in a single composite building and the plan related to that
composite building.

(3) This regulation shall not apply to a building constructed or
adapted for use principally as a church, a school, an industrial
building or a car park.

4. Where a storage chamber is provided in any building it
shall be so designed as to comply with the requirements of regula-
tions 5 to 12.

5. (1) Every storage chamber shall be of a design approved by
the Building Authority and in such location approved by the Building
Authority as to provide ready access thereto for the purpose of
removing any refuse container stored in such storage chamber.





(2) Where access to any storage chamber other than a storage
chamber with vehicular access is obtained along a passage or alley or
similar way, the passage, alley or other way shall be not less than
1.5 m in width, shall be without steps and paved and shall have a
longitudinal gradient not greater than 1 in 20.

6. Save for the access door provided in accordance with
regulation 10, the opening for any refuse chute and any opening for
a hopper, there shall be no openings in any storage chamber.

7. Not less than one of the walls of every storage chamber
shall be an external wall.

8. (1) No storage chamber shall have any dimension less
than 1.5 m.

(2) The height, measured to the ceiling, of every storage
chamber shall, throughout the chamber, be not less than 2 m.

9. (1) Every storage chamber shall be constructed of brick-
work, concrete or other approved material.

(2) The whole of the internal faces of the walls of every storage
chamber shall be lined with glazed bricks, glazed tiles or other
approved material.
(3) The ceiling of every storage chamber shall be rendered in
cement and finished with a smooth surface.

(4) The floor of every storage chamber shall be-

(a)constructed of concrete tfiN~ not less than 100 mm
thick;
(b)laid to fall towards the gully provided in acceordance with
regulation 11, and

(c)finished with quarry tiles or other approved hard impervi-
ous material.

(5) In every storage chamber the junction of the floor with the
walls shall be coved.

10. (1) Every storage chamber shall be provided with a close-
fitting steel door.

(2) Every such door shall-

(a) be situated in an external wall of the storage chamber;
(b) have a height of not less than 1.8 m;

(c) have a width of not less than 1.25 m; and

(d)be provided with a lock or other means of preventing
unauthorized persons obtaining access to the storage
chamber.

(3) The internal surface of the door shall be without projections.





11. (1) Every storage chamber shall be provided, in the floor
thereof, with an outlet drain.

(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 of[set 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.





18. Every refuse chute shall be provided at its lower end with a
galvanized or stainless steel shutter so constructed as to enable the
chute to be closed when necessary.

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

(2) Every such ventilating pipe shall-

(a) have an internal area of not less than 0.05 m'; and

(b)be carried up from the top of the refuse chute to a height,
above the roof of the building, of not less than 1 m.

(3)(a) The end of every such ventilating pipe shall be pro-
vided 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 10 mm.

20. (1) Every refuse chute shall be provided, above the level
of the highest hopper, with an access opening, not less than 225 rnm
in diameter, for the inspection and cleansing of the chute.

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

21. (1) The internal surface of every refuse chute shall be
smooth and impervious and shall be formed of or lined with glazed
ware or other approved material.

(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.

22. Every hopper shall be situated in a place permanently
ventilated to the open air.

23. (1) The mouth of every hopper shall have a clear opening
having dimensions not less than 250 x 150 mm and not more than
350 x 250 mm.

(2) Every hopper shall be so constructed-

(a)that it will remain only in a completely closed or completely
open position and will not open of its own accord; and

(b)as to prevent the escape of dust or fumes both when it is
closed and when it is open.

(3) Every hopper and frame shall be so constructed as to
prevent refuse becoming lodged therein.





(4) Every hopper and frame shall be constructed of galvanized
or stainless mild steel plate, of not less than 3 mm thickness, or other
approved material.

(5) The inner plate of every hopper shall project downward at
an angle of not less than 45' to the horizontal when the hopper is
closed.

24. The recess into which any hopper is fitted shall be of a size
adequate to house the frame and the moving parts of the hopper so
that no part of the frame or hopper projects into the refuse chute.

25. The junction of every hopper with the refuse chute shall be
so made as to provide a continuous smooth and impervious surface.

SCHEDULE [reg. 3.1

Description Total floor area as Description of Minimum floor space
of building shown on plan storage chamber of storage chamber
Domestic (a) Usable floor space Storage chamber Total usable flOOT space
Building 1 320 m' or more in m' divided by 440
but less than
13 200 m'
(b) Usable floor space Storage chamber Total usable floor space
13 200 m' or more with vehicular in m' divided by 440
access
Non- (a) Usable floor space Storage chamber Total usable floor space
domestic 3 960 m' or more in m' divided by 1 320
Building but less than
39 600 m'
(b) Usable floor space Storage chamber Total usable floor space
39 600 m' or more with vehicular in m' divided by 1 320
access
Composite (a) Aggregate usable Storage chamber Aggregate of-
Building floor space (a) the total usable
1 320 m' or more floor space of the
but less than domestic buildin
13 200 m' component in my
divided by 440; and
(b) the total usable
floor space of the
non-domestic
building component
in m' divided
by 1 320
(b) Aggregate usable Storage chamber Aggregate of-
floor space with vehicular (a) the total usable
13 200 m' or more access floor space of the
domestic buildine
component in m~y
divided by 440~ and
(b) the total usable
floor space of the
non-domestic
building component
in m' divided
by 1 320
L.N. 154/84. Citation. Interpretation. (Cap. 123, sub. leg.) (Cap. 123, sub. leg.) Storage chambers to be provided for in plans relating to buildings specified in the Schedule. Schedule. Storage chambers to comply with regulations 5 to 12. Access to storage chambers for emptying refuse containers. Storage chambers to be fully enclosed save for door etc. Storage chambers to have on external wall. Minimum dimensions of storage chambers. Construction of storage chambers. Access door to storage chambers and construction thereof. Drainage of storage chambers. 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. Refuse chute to be provided with shutter. Ventilating pipe for refuse chute. Inspection and cleansing of refuse chute. Construction of internal surface of refuse chute. Situation of hopper. Construction of hopper. Hooper recess. Junction of hopper with refuse chute.

L.N. 154/84. Citation. Interpretation. (Cap. 123, sub. leg.) (Cap. 123, sub. leg.) Storage chambers to be provided for in plans relating to buildings specified in the Schedule. Schedule. Storage chambers to comply with regulations 5 to 12. Access to storage chambers for emptying refuse containers. Storage chambers to be fully enclosed save for door etc. Storage chambers to have on external wall. Minimum dimensions of storage chambers. Construction of storage chambers. Access door to storage chambers and construction thereof. Drainage of storage chambers. 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. Refuse chute to be provided with shutter. Ventilating pipe for refuse chute. Inspection and cleansing of refuse chute. Construction of internal surface of refuse chute. Situation of hopper. Construction of hopper. Hooper recess. Junction of hopper with refuse chute.

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