1964_BUILDING_(CONSTRUCTION)_REGULATIONS — Page 116

HK Historical Laws 香港歷史法例 All AI Reviewed

B 116

CAP. 123]

Building (Construction) Regulations

[1985 Ed.

[Subsidiary]

L.N. 294/76.

TABLE XLIII

3

Use

Volume, or floor area in any 1 storey (as the case may be)

Fire resistance period

Bulk storage or warehouse purposes.

(a) More than 700 m3 but not more than 1 400 m3 in volume.

1 hour.

(b) More than 1400 m3 but not more than 3 500 m3 in volume.

1 hour.

(c) More than 3 500 m3 but not more than 7000 m3 in volume.

2 hours.

2 Trade or manufacture.

(a) More than 1400 m3 but not more than 3 500 m3 in volume.

1 hour.

(b) More than 3 500 m3 but not more than 7000 m3 in volume.

(i) not more than 700 m2 in floor area in any 1 storey:

1 hour.

(ii) more than 700 m2 in floor area in any storey.

2 hours.

3 Office or domestic purposes; schools; hospitals.

(a) (i) More than 1 400 m3 but not more than 3 500 m3 in volume: or

1 hour.

(ii) More than 90 m2 but not more than 230 m2 in floor area in any 1 storey.

1 hour.

(b) 1 hour.

4 Partly for office purposes and partly for trade or manufacture. any part used for trade or manufacture.

(a) (i) More than 3 500 m3 in volume: or (ii) More than 230 m2 in floor area in any 1 storey.

(b) (i) Not more than 1800 m3 in volume.

(ii) More than 1 800 m3 but not more than 3 500 m3 in volume.

1 hour.

1 hour.

5 Partly for domestic purposes and partly for manufacture, any part used for trade or manufacture.

(a) (i) More than 3 500 m3 but not more than 7 000 m3 in volume.

2 hours.

(b) (i) Not more than 230 m2 in floor area in any 1 storey.

1 hour.

(ii) More than 230 m2 but not more than 460 m2 in floor area in any 1 storey.

(iii) More than 460 m2 in floor area in any 1 storey.

(a) (i) Not more than 900 m3 in volume.

(ii) More than 900 m3 but not more than 1 800 m3 in volume.

(iii) More than 1 800 m3 in volume.

1 hour.

1 hour.

2 hours.

(b) (i) Not more than 90 m2 in floor area in any 1 storey.

1 hour.

(ii) More than 90 m2 but not more than 230 m2 in floor area in any 1 storey.

(iii) More than 230 m2 in floor area in any 1 storey.

1 hour.

2 hours.

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2026-05-04 08:23:55 · NVIDIA / meta/llama-4-maverick-17b-128e-instruct
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TABLE XLIII3UseVolume, or floor area in any 1 storey (as the case may be)Fire resistance periodBulk storage or warehouse purposes.(a) More than 700 m3 but not more than 1 400 m3 in volume.1 hour.(b) More than 1400 m3 but not more than 3 500 m3 in volume.1 hour.(c) More than 3 500 m3 but not more than 7000 m3 in volume.2 hours.2 Trade or manufacture.(a) More than 1400 m3 but not more than 3 500 m3 in volume.1 hour.(b) More than 3 500 m3 but not more than 7000 m3 in volume.(i) not more than 700 m2 in floor area in any 1 storey:1 hour.(ii) more than 700 m2 in floor area in any storey.2 hours.3 Office or domestic purposes; schools; hospitals.(a) (i) More than 1 400 m3 but not more than 3 500 m3 in volume: or1 hour.(ii) More than 90 m2 but not more than 230 m2 in floor area in any 1 storey.1 hour.(b) 1 hour.4 Partly for office purposes and partly for trade or manufacture. any part used for trade or manufacture.(a) (i) More than 3 500 m3 in volume: or (ii) More than 230 m2 in floor area in any 1 storey.(b) (i) Not more than 1800 m3 in volume.(ii) More than 1 800 m3 but not more than 3 500 m3 in volume.1 hour.1 hour.5 Partly for domestic purposes and partly for manufacture, any part used for trade or manufacture.(a) (i) More than 3 500 m3 but not more than 7 000 m3 in volume.2 hours.(b) (i) Not more than 230 m2 in floor area in any 1 storey.1 hour.(ii) More than 230 m2 but not more than 460 m2 in floor area in any 1 storey.(iii) More than 460 m2 in floor area in any 1 storey.(a) (i) Not more than 900 m3 in volume.(ii) More than 900 m3 but not more than 1 800 m3 in volume.(iii) More than 1 800 m3 in volume.1 hour.1 hour.2 hours.(b) (i) Not more than 90 m2 in floor area in any 1 storey.1 hour.(ii) More than 90 m2 but not more than 230 m2 in floor area in any 1 storey.(iii) More than 230 m2 in floor area in any 1 storey.1 hour.2 hours.
Baseline (Original)
TABLE XLIII3UseVolume, or floor area in any I storey (as the case may bc)Fire resistance periodBulk storage or warehouse purposes.(a) More than 700 m3 but not more than 1 400 m3 in volume.! hour.(b) More than 1400 m3 but not more than 3 500 m3 in volume.I hour.(c) More thay 3 500 m3 but not more than 7000 m in volume.2 hours.2 Trade or manufacture.(a) More/than 1400 m3 but not more than 3 500/m2 in volume. hour.(b) More than 3 500 m3 but not more than 7000 m2 in volume.(i) not more than 700 m2 in floor area in any I storey:i1 hour.i(ii) more than 700 m2 in floor area in any storey.2 hours.3 Office or domestic (4) (i) More than 1 400 m3 but not more than 3 500 m2 in volume: or! hour.purposes;schools: hospitals.(ii) More than 90 m2 but not more than230 m2 in floor area in any 1 storey.+ hour.(b)1 hour.1 hour.4 Partly for office(a) purposes and partly for trade or manufacture. any part used for trade or manufacture. (i) More than 3 500 m3 in volume: or (ii) More than 230 m2 in floor area in any I storey.(1) Not more than 1800 m3 in volume.(ii) More than 1 800 m2 but not more than 3 500 m3 in volume.hour.1 hour.5 Partly for domestic purposes and partly for manufacture, any part used for trade or manufacture.(iii) More than 3 500 m3 but not more than 7 000 m3 in volume.2 hours.|(b) (i) Not more than 230 m2 in floor area in any 1 storey.+ hour.(a)7(ii) More than 230 m2 but not more than 460 m2 in floor area in any 1 storey.(iii) More than 460 m2 in floor area in any 1 storey. (i) Not more than 900 m3 in volume.(ii) More than 900 m3 but not more than 1 800 m3 in volume.(iii) More than 1 800 m3 in volume.1 hour.2 hours.hour.I hour.2 hours.(b) (i) Not more than 90 m2 in floor area in any I storey.+ hour.(ii) More than 90 m2 but not more than 230 m2 in floor area in any I storey.(iii) More than 230 m2 in floor area in any 1 storey.I hour.2 hours.
2026-05-04 08:23:55 · Baseline
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B 116

CAP. 123]

Building (Construction) Regulations

[1985 Ed.

[Subsidiary]

L.N. 294/76.

TABLE XLIII

3

Use

Volume, or floor area in any I storey (as the case may bc)

Fire resistance

period

Bulk storage or warehouse

purposes.

(a) More than 700 m3 but not more than 1 400

m3 in volume.

! hour.

(b) More than 1400 m3 but not more than

3 500 m3 in volume.

I hour.

(c) More thay 3 500 m3 but not more than

7000 m in volume.

2 hours.

2 Trade or

manufacture.

(a) More/than 1400 m3 but not more than

3 500/m2 in volume.

hour.

(b) More than 3 500 m3 but not more than

7000 m2 in volume.

(i) not more than 700 m2 in floor area in

any I storey:

i

1 hour.

i

(ii) more than 700 m2 in floor area in any

storey.

2 hours.

3 Office or domestic

(4)

(i) More than 1 400 m3 but not more than

3 500 m2 in volume: or

! hour.

purposes;

schools: hospitals.

(ii) More than 90 m2 but not more than

230 m2 in floor area in any 1 storey.

+ hour.

(b)

1 hour.

1 hour.

4 Partly for office (a)

purposes and partly for trade or manufacture. any part used for trade or manufacture.

(i) More than 3 500 m3 in volume: or (ii) More than 230 m2 in floor area in any

I storey.

(1) Not more than 1800 m3 in volume. (ii) More than 1 800 m2 but not more than

3 500 m3 in volume.

hour.

1 hour.

5 Partly for

domestic

purposes and partly for manufacture,

any part used

for trade or

manufacture.

(iii) More than 3 500 m3 but not more than

7 000 m3 in volume.

2 hours.

|(b)

(i) Not more than 230 m2 in floor area in

any 1 storey.

+ hour.

(a)

7

(ii) More than 230 m2 but not more than

460 m2 in floor area in any 1 storey. (iii) More than 460 m2 in floor area in any

1 storey.

(i) Not more than 900 m3 in volume.

(ii) More than 900 m3 but not more than

1 800 m3 in volume.

(iii) More than 1 800 m3 in volume.

1 hour.

2 hours.

hour.

I hour.

2 hours.

(b)

(i) Not more than 90 m2 in floor area in

any I storey.

+ hour.

(ii) More than 90 m2 but not more than

230 m2 in floor area in any I storey. (iii) More than 230 m2 in floor area in any

1 storey.

I hour.

2 hours.

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