1956-HKRS30-8-46_Part03 — Page 24

Authenticated Laws 確真本香港法例 All

26

Certain floors

BUILDING (CONSTRUCTION) REGULATIONS, 1956

(c) a layer of bituminous macadam 3 inches thick finished smooth with a topping of fine bituminous macadam u inch thick; or

(d) a layer of such other impervious material as the Building

Authority may approve.

(2) Such surface covering shall be laid to full at a gradient of not less than 1 in 80 to a gulley trap or drainage channels con- nected to a storm water drain.

36. The floor of every room to which a water supply is provided shall be constructed of concrete or such other im- permeable. permeable material as the Building Authority may approve.

to be im-

Lowest

above

36. The level of the floor next above the ground of every floor to be building shall be not less than 6 inches above the level of the surface of the external ground, paving, or oversite concrete at the entrance to that floor,

ground level.

Ventilu- tion below

wood Hoors,

Con-

37. (1) Where in any part of a building the flour next above the ground is constructed of wood, it shall be so constructed as to leave an air-space not less than 9 inches deep between the level of the underside of the joists and the level of the upper surface of the layer of concrete required by sub-regulation (1) of regulation 33, and that space shall be so ventilated as to comply with the requirements of sub-regulation (5) of regulation 33-

(2) The provisions of sub-regulation (1) shall not apply where a continuous damp-proof membrane complying with the require- ments of regulation zo is provided between the concrete and the floor.

38. (1) Every wood floor shall be constructed of tongued and wood floors. Grooved boards, strips, or blocks, and shall be-

struction of

(a) where of boards or strips, nailed or otherwise securely

fixed in floor joists; or

(b) where of blocks, fixed to a screeded concrete sub-floor with asphaltic bitumen or coal tar or other adhesive as the Building Authority may approve.

(2) Every wood block floor bedded on concrete in contact with the ground shall be provided with a continuous damp-proof layer to protect the timber against rising damp, and such damp-proof

BUILDING (CONSTRUCTION) REGULATIONS, 1956

layer shall not be inferior to a layer of hot bituminous adhesive of sufficient thickness to prevent the wood from coming into contact with the concrete.

27

39. Every skirting shall be solidly bedded against the wall to Skirting. which it is attached.

PART VI,

Palls and piors.

40. The walls of all buildings shall be constructed of-

Construc. Lion and

(a) bricks or building blocks bonded and solidly put together bonding ol

with mortar;

(b) concrete not inferior to Grade Vi

(c) reinforced concrete; or

(d) any of the foregoing materials in combination with a

framework of steel or reinforced concrete,

walls.

41. Buildings which exceed 4 storeys or 48 feet in height shall Buildings be constructed-

(a) with a frame work of steel or reinforced concrete;

(b) with load bearing walls of reinforced concrete or concrete

cast in-situ;

(c) with a combination of (a) and (b); or

(d) other method of construction approved by the Building Authority and designed in accordance with the current relevant British Standard Code of Practice.

Over 4 storeys or d8 feet

in height.

42. Walls, other than panel walls, shall comply with the Applica- provisions of regulations 63 and 64, and with the provisions of t

regulations.

(a) regulations 43 to 56; or

(b) regulations 57 to 60; or

(c) the relevant British Standard Code of Practice in force

at the coming into operation of these regulations :

Provided that in a building where the imposed floor load exceeds 130 lbs. per square foot the external and party walls shall be designed and constructed in accordance with the provisions of such British Standard Code of Practice.

Comments

Approved members can add comments, bookmarks, and private notes.

No comments yet.

Private Research Note

Private notes are available after approval.