1964_BUILDING_(CONSTRUCTION)_REGULATIONS — Page 22

HK Historical Laws 香港歷史法例 All AI Reviewed

B 22

[Subsidiary]

CAP. 123] Building (Construction) Regulations

[1985 Ed.

Slabs
KN
Beams
uniformly
IN
distributed
over the
span per metre width
over span
uniformly distributed

Class No.
Types of floors, roofs, stairs etc.
kPa floors, roofs, etc.

9
*Pitched roofs (where no access is provided to the roof) having an inclination to the horizontal-
(a) of 30 degrees or less/
(i) with corrugated roof sheeting of metal or asbestos-cement
(ii) with other types of roofing
(b) of 75 degrees or more
(c) more than 30 degrees and less
than 75 degrees

0.5 0.75 Nil
to be determined by interpolation according to the pitch.

10
Types of stairs and landings, corridors and cantilever steps-
(a) stairs, ramps, landings and corridors used in connexion with floors of class No. 1, 2 or 3
3.0
(b) stairs, ramps, landings and corridors used in connexion with floors of class No. 4 or 5
5.0
(c) stairs, ramps, landings and corridors used in connexion with floors of class No. 6 or 7
(d) structurally independent cantilever steps

10.0
LS KN point load at the unsupported end of each step, or a uniformly distributed load as appropriate to (a), (b) or (c), whichever is the greater.

L.N. 95/78.
L.N. 294/76.

Areas to be used by tourist coaches, goods delivery vans, and other commercial vehicles not exceeding 12 tonnes gross weight
*
Note: Specified loading is applied vertically.
80% of Type HA loading as specified in Appendix A to B.S. 153: Part 3A: 1972.

(4) (a) In calculating the total imposed load (not including induced wind loads) on any column, pier, wall or foundation, the minimum imposed loads for every floor carried thereby may be deemed to be subject to the reductions specified in Table VIII:

Provided that, in factories and workshops whereof the minimum imposed load is more than 7.5 kPa, or is more than 6.0 kPa but not more than 7.5 kPa, the total imposed load shall be not less than that obtained if all the floors had been designed for an imposed load of 7.5 kPa or 6.0 kPa respectively without the reductions specified in Table VIII.

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B 22 [Subsidiary] CAP. 123] Building (Construction) Regulations 2 [1985 Ed. 3 4 5 SlabsKNBeamsuniformlyINdistributedover thespan per metre widthover spanuniformly distributed Class No.Types of floors, roofs, stairs etc.kPa floors, roofs, etc. 9*Pitched roofs (where no access is provided to the roof) having an inclination to the horizontal-(a) of 30 degrees or less/(i) with corrugated roof sheeting of metal or asbestos-cement(ii) with other types of roofing(b) of 75 degrees or more(c) more than 30 degrees and lessthan 75 degrees 0.5 0.75 Nilto be determined by interpolation according to the pitch. 10Types of stairs and landings, corridors and cantilever steps-(a) stairs, ramps, landings and corridors used in connexion with floors of class No. 1, 2 or 33.0(b) stairs, ramps, landings and corridors used in connexion with floors of class No. 4 or 55.0(c) stairs, ramps, landings and corridors used in connexion with floors of class No. 6 or 7(d) structurally independent cantilever steps 10.0LS KN point load at the unsupported end of each step, or a uniformly distributed load as appropriate to (a), (b) or (c), whichever is the greater. L.N. 95/78.L.N. 294/76. Areas to be used by tourist coaches, goods delivery vans, and other commercial vehicles not exceeding 12 tonnes gross weight*Note: Specified loading is applied vertically.80% of Type HA loading as specified in Appendix A to B.S. 153: Part 3A: 1972. (4) (a) In calculating the total imposed load (not including induced wind loads) on any column, pier, wall or foundation, the minimum imposed loads for every floor carried thereby may be deemed to be subject to the reductions specified in Table VIII: Provided that, in factories and workshops whereof the minimum imposed load is more than 7.5 kPa, or is more than 6.0 kPa but not more than 7.5 kPa, the total imposed load shall be not less than that obtained if all the floors had been designed for an imposed load of 7.5 kPa or 6.0 kPa respectively without the reductions specified in Table VIII.

Baseline (Original)

B 22 [Subsidiary] CAP. 123] Building (Construction) Regulations 2 [1985 Ed. 3 4 5 Slabs KN Beams uniformly IN distributed over the span per metre width over span uniformly distributed Class No. Types of floors, roofs, stairs etc. kPa floors. roofs, etc. 9 *Pitched roofs (where no access is provided to the roof) having an inclination to the horizontal- (a) of 30 degrees or less/ (i) with corrugated roof sheet- ing of metal or asbesto-cement (ii) with other types of roofing (b) of 75 degrees or more (c) more than 30 degrees and less than 75 degrees 0.5 0.75 Nil to be determined by interpola- tion according to the pitch. 10 Types of stairs and landings, corridors and cantilever steps- (a) stairs, ramps, landings and corri- dors used in connexion with floors of class No. 1, 2 or 3 3.0 (b) stairs, ramps, landings and corri- dors/used in connexion with floors of class No. 4 or 5 5.0 (c) stairs, ramps, landings and corri- dors used in connexion with floors of class No. 6 or 7 (d) structurally independent tilever steps can- 10.0 LS KN point load at the un- supported end of each step, or a uniformly distributed load as appropriate to (a), (b) or (c), whichever is the greater. L.N. 95/78. L.N. 294/76. Areas to be used by tourist coaches, goods delivery vans, and other commercial vehicles not exceeding 12 tonnes gross weight * Note: Specified loading is applied vertically. 80% of Type HA loading as specified in Appendix A to B.S. 153:Part 3A:1972. (4) (a) In calculating the total imposed load (not including induced wind loads) on any column, pier, wall or founda- tion, the minimum imposed loads for every floor carried thereby may be deemed to be subject to the reductions specified in Table VIII: Provided that, in factories and workshops whereof the minimum imposed load is more than 7.5 kPa, or is more than 6.0 kPa but not more than 7.5 kPa, the total imposed load shall be not less than that obtained if all the floors had been designed for an imposed load of 7.5 kPa or 6.0 kPa respectively without the reductions specified in Table VIII.

2026-05-04 08:11:21 · Baseline

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B 22

[Subsidiary]

CAP. 123] Building (Construction) Regulations

[1985 Ed.

Slabs

Beams

uniformly

distributed

over the

span per metre width

over span

uniformly distributed

Class No.

Types of floors, roofs, stairs etc.

kPa floors. roofs, etc.

*Pitched roofs (where no access is provided to the roof) having an inclination to the horizontal-

(a) of 30 degrees or less/

(i) with corrugated roof sheet- ing of metal or asbesto-cement

(ii) with other types of roofing

(b) of 75 degrees or more

than 75 degrees

0.5 0.75 Nil

to be determined by interpola- tion according to the pitch.

Types of stairs and landings, corridors and cantilever steps-

(a) stairs, ramps, landings and corri- dors used in connexion with floors of class No. 1, 2 or 3

3.0

(b) stairs, ramps, landings and corri- dors/used in connexion with floors of class No. 4 or 5

5.0

(d) structurally independent

tilever steps

can-

10.0

LS KN point load at the un- supported end of each step, or a uniformly distributed load as appropriate to (a), (b) or (c), whichever is the greater.

L.N. 95/78.

L.N. 294/76.

Areas to be used by tourist coaches, goods delivery vans, and other commercial vehicles not exceeding 12 tonnes gross weight

Note: Specified loading is applied vertically.

80% of Type HA loading as specified in Appendix A to B.S. 153:Part 3A:1972.

(4) (a) In calculating the total imposed load (not including induced wind loads) on any column, pier, wall or founda- tion, the minimum imposed loads for every floor carried thereby may be deemed to be subject to the reductions specified in Table VIII:

1964_BUILDING_(CONSTRUCTION)_REGULATIONS — Page 22

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