1956-HKRS30-8-46_Part03 — Page 36

50

BUILDING (CONSTRUCTION) REGULATIONS, 1956

BUILDING (CONSTRUCTION) REGULATIONS, 1956

Adjacent buildings

Elements of con- alruction within

buildings.

"F. R. P." means the period for which the element of construction is capable of resisting the action of fire when tested in accordance with B.S.S. 476: 1932, or as specified in Schedule VI of the L,C.C, London Building (Con- structional) By-laws 1952;

"staircase" includes landings and lobbies attached thereto without

any intervening enclosure.

95. Every building shall be separated from any adjoining building by a wall having an F.R.P. of not less than 4 hours,

98. (1) Each element of construction in a building or cam- partiment of a building shall have an P.R.P. not less than that specified in Table XVI appropriate to the use and the volume, or floor area in any one storey, as the case may be i

Provided that each element of construction in any building which exceeds 3 storeys shall in no case have an F.R.P. of less than hour.

purposes; schools hospitals.

TABLE XVI—/CondL)

Class

Use

Volume, or floor area in any one storey (as the case may be).

Fire Resistanco

Period

Office or domestic

(*)

(i) More than 50,000 cu. ft, but not more than 125,000 eu. It. in volume, ar (ii) More than 1,000 sq. ft. but not more than 2,500 sq. ft. in floor area in any one storay.

hours.

A haura

(8)

(i) More than 125,000 cu. ft. in

volume, or (ii) More than 2,500 aq. ft. in floor area in any one storey.

1 hour,

1 hour.

4

Partly for office purpoata

(a)

(1) Not more than 64,000 cu. ft.

in volume.

hour

& partly

for

trade or TELEK

facture.

any part used for

trade or manu- facture.

(ii) More than $4,000 cu. ft. but not more than 125,000 cu. ft. in volume.

(iii) More than 125,000 cu. ft. but not more than 260,000 cu. ft. in volume.

1 hour.

hours.

TABLE XVI,

Clase

Ize

Valume, or floor area in any one storey (as the case may be).

Fire Resistance Period

(5)

1

Bulk Storage

(a) More than 25,000 cu. ft. but not more than 50,000 cu. ft. in volume,

1 hour.

or WALK-

(1) Not more than 2,500 sq. ft. in Boor area in any one storey- (ii) More than 2,500 sq. ft. but not more than 5,000 aq. ft. in floor area in any one storey. (ii) More than 5,000 sq. ft. în floor area in any one starey.

A hour.

1 hour.

2 hour.

hause

purposes.

(6) More than 50,000 cu. ft. but not more than 125,000 cu. ft. in volume.

1 hour.

$

(c) More than 125,000 cu. ft. but not 2 hours.

more than 250,000 cu. ft. in volume.

Partly for domestic purposes

(a) (i) Not more than 32,000 cu. ft. in

volume.

$ hour.

& partly for

(ii) More than 32,000 cu. ft. but not more than 64,000 cu. ft.

1 bour,

in volume.

Trade

Or 1902) - facture.

(a) More than 50,000 cu. ft. but not more than 125,000 co. ft. in volume.

manu-

1 hour.

facture.

(iii) More than $4,000 cu. ft. in

volume.

2 hours.

any part used for

trade of

(6) More than 126,000 cu. ft. but not more than 250,000 cu. ft. in volume.

(i) not more than 7,500 sq. ft. in) 1 bour.

floor area in any one storey;

(ii) more than 7,500 sq. ft, in floor

2 hours.

(b) (1) Not more than 1,000 sq. ft. in floor area in any one storey.

1 hour.

mam- facture.

(ii) More than 1,000 sq. ft. but not more than 2,600 sq. ft. in floor area in any one storey. (iii) More than 2,500 sq. ft. in floor. area in any one storey.

2 hours.

hoar,

aren in any one storey.

61