1964_BUILDING_(CONSTRUCTION)_REGULATIONS — Page 37

HK Historical Laws 香港歷史法例 All AI Reviewed

1985 Ed.]

Building (Construction) Regulations

(CAP. 123

B 37

[Subsidiary]

(2) All measurements of length of walls shall be made from the centres of the return walls, dividing walls, piers, buttresses or chimneys.

52. Except as provided in regulations 60 and 68 every external and every party wall built of bricks or building blocks in a building other than a public building or a building of the warehouse class shall be

(a) of not less thickness than that specified in Table XI;

(b) built in cement mortar or cement-lime mortar containing not more than 6 volumes of sand to 1 volume of cement.

Thickness of external walls and party walls of buildings other than public buildings or buildings of the warehouse class.

TABLE XI

Thickness of external and party walls of buildings other than public buildings or buildings of the warehouses class

L.N. 294/76.

Height of wall Length of wall Thickness of wall Exceeding Not exceeding Exceeding Not exceeding m m m m 3.5 3.5 7 7 11 15 225 mm throughout. i
a 225 mm throughout. 340 mm throughout the lower-most storey: 225 mm throughout the rest of the wall. 340 mm throughout the lower-most storey: 225 mm throughout the rest of the wall. 340 mm throughout the lower-most 2 storeys: 225 mm through-out the rest of the wall. 460 mm throughout the lower-most storey: 340 mm throughout the next 2 storeys: 225 mm throughout the rest of the wall. 460 mm throughout the lower-most 2 storeys: 340 mm through-out the next storey: 225 mm throughout the rest of the wall.

53. (1) Except as provided in regulation 68 every external and every party wall built of bricks or building blocks in a public building or a building of the warehouse class where the imposed floor load does not exceed 7.5 kPa shall

(a) be built in cement mortar or cement-lime mortar containing not more than 6 volumes of sand to 1 volume of cement;

Thickness of external and party walls of public buildings and buildings of the warehouse class.

L.N. 294/76.

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2026-05-04 08:13:21 · NVIDIA / meta/llama-4-maverick-17b-128e-instruct
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1985 Ed.] Building (Construction) Regulations (CAP. 123 B 37 [Subsidiary] (2) All measurements of length of walls shall be made from the centres of the return walls, dividing walls, piers, buttresses or chimneys. 52. Except as provided in regulations 60 and 68 every external and every party wall built of bricks or building blocks in a building other than a public building or a building of the warehouse class shall be (a) of not less thickness than that specified in Table XI; (b) built in cement mortar or cement-lime mortar containing not more than 6 volumes of sand to 1 volume of cement. Thickness of external walls and party walls of buildings other than public buildings or buildings of the warehouse class. TABLE XI Thickness of external and party walls of buildings other than public buildings or buildings of the warehouses class L.N. 294/76. Height of wall Length of wall Thickness of wall Exceeding Not exceeding Exceeding Not exceeding m m m m 3.5 3.5 7 7 11 15 225 mm throughout. ia 225 mm throughout. 340 mm throughout the lower-most storey: 225 mm throughout the rest of the wall. 340 mm throughout the lower-most storey: 225 mm throughout the rest of the wall. 340 mm throughout the lower-most 2 storeys: 225 mm through-out the rest of the wall. 460 mm throughout the lower-most storey: 340 mm throughout the next 2 storeys: 225 mm throughout the rest of the wall. 460 mm throughout the lower-most 2 storeys: 340 mm through-out the next storey: 225 mm throughout the rest of the wall. 53. (1) Except as provided in regulation 68 every external and every party wall built of bricks or building blocks in a public building or a building of the warehouse class where the imposed floor load does not exceed 7.5 kPa shall (a) be built in cement mortar or cement-lime mortar containing not more than 6 volumes of sand to 1 volume of cement; Thickness of external and party walls of public buildings and buildings of the warehouse class. L.N. 294/76.
Baseline (Original)
1985 Ed.] Building (Construction) Regulations (CAP. 123 B 37 [Subsidiary] (2) All measurements of length of walls shall be made from the centres of the return walls, dividing walls. piers. buttresses or chimneys. 52. Except as provided in regulations 60 and 68 every external and every party wall built of bricks or building blocks in a building other than a public building or a building of the warehouse class shall be (a) of not less thickness than that specified in Table XI; (b) built in cement mortar or cement-lime mortar containing not more than 6 volumes of sand to 1 volume of cement. Thickness of external walls and party walls of buildings other than public buildings or buildings of the warehouse class. TABLE XI Thickness of external and party walls of buildings other than public buildings or buildings of the warehouses class L.N. 294/76. Height of wall Length of wall 5 2 3 4 Exceeding Not exceeding Exceeding Not exceeding Thickness of wall m m m m 3.5 3.5 7 7 I 11 15 і a 225 mm throughout. 225 mm throughout. 340 mm throughout the lower- most storey: 225 mm throughout the rest of the wall. 340 mm throughout the lower- most storey: 225 mm throughout the rest of the wall. 340 mm throughout the lower- most 2 storeys: 225 mm through- out the rest of the wall. 460 mm throughout the lower- most storey: 340 mm throughout the next 2 storeys: 225 mm throughout the rest of the wall. 460 mm throughout the lower- most 2 storeys: 340 mm through- out the next storey: 225 mm throughout the rest of the wall. 53. (1) Except as provided in regulation 68 every external and every party wall built of bricks or building blocks in a public building or a building of the warehouse class where the imposed floor load does not exceed 7.5 kPa shall (a) be built in cement mortar or cement-lime mortar containing not more than 6 volumes of sand to 1 volume of cement; Thickness of external and party walls of public buildings and buildings of the warehouse class. L.N. 294/76.
2026-05-04 08:13:21 · Baseline
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1985 Ed.]

Building (Construction) Regulations

(CAP. 123

B 37

[Subsidiary]

(2) All measurements of length of walls shall be made from the centres of the return walls, dividing walls. piers. buttresses or chimneys.

52. Except as provided in regulations 60 and 68 every external and every party wall built of bricks or building blocks in a building other than a public building or a building of the warehouse class shall be

(a) of not less thickness than that specified in Table XI;

(b) built in cement mortar or cement-lime mortar containing

not more than 6 volumes of sand to 1 volume of cement.

Thickness of external walls and party walls of buildings other than public buildings or buildings of the warehouse class.

TABLE XI

Thickness of external and party walls of buildings other than public buildings or buildings of the warehouses class

L.N. 294/76.

Height of wall

Length of wall

5

2

3

4

Exceeding

Not exceeding

Exceeding

Not exceeding

Thickness of wall

m

m

m

m

3.5

3.5

7

7

I

11

15

і

a

225 mm throughout.

225 mm throughout.

340 mm throughout the lower- most storey: 225 mm throughout the rest of the wall.

340 mm throughout the lower- most storey: 225 mm throughout the rest of the wall.

340 mm throughout the lower- most 2 storeys: 225 mm through- out the rest of the wall.

460 mm throughout the lower- most storey: 340 mm throughout the next 2 storeys: 225 mm throughout the rest of the wall.

460 mm throughout the lower- most 2 storeys: 340 mm through- out the next storey: 225 mm throughout the rest of the wall.

53. (1) Except as provided in regulation 68 every external and every party wall built of bricks or building blocks in a public building or a building of the warehouse class where the imposed floor load does not exceed 7.5 kPa shall

(a) be built in cement mortar or cement-lime mortar containing

not more than 6 volumes of sand to 1 volume of cement;

Thickness of external and party walls of public buildings and buildings of the warehouse class.

L.N. 294/76.

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