### Building (Administration) Regulations 《建築物(管理)規例》

44. Duty of authorized person, registered structural engineer or registered geotechnical engineer who has prepared plans to supply to Building Authority such information as he may require
Every authorized person, registered structural engineer or registered geotechnical engineer who has prepared any plans which have been submitted to the Building Authority for his approval shall supply to the Building Authority such information as he may require with regard to such plans or to the building works or street works shown thereon.
(L.N. 188 of 1974; 15 of 2004 s. 58)

45. Duty of authorized person, registered structural engineer, registered geotechnical engineer, registered inspector, registered contractor, etc. to notify Building Authority of change of business address
(16 of 2011 s. 39)Every authorized person, registered structural engineer, registered geotechnical engineer, registered inspector, registered general building contractor, registered specialist contractor and registered minor works contractor shall notify the Building Authority in the specified form of any change in the address at which he carries on business, within 14 days thereof.
(L.N. 59 of 1971; L.N. 188 of 1974; 43 of 1987 s. 44; L.N. 531 of 1994; L.N. 514 of 1997; 15 of 2004 s. 59; L.N. 180 of 2009; 16 of 2011 s. 39)

46. Power of Building Authority to require new plans in certain cases
Where several alterations have been made to the original design of a building and such alterations have been shown on amended plans submitted to the Building Authority for his approval, the Building Authority may require new plans to be delivered to him showing the building as it has been completed.

47. Notice under section 25 of Ordinance to be accompanied by plan
Every notice under section 25 of the Ordinance shall be accompanied by a block plan showing the size and position of the building, the number of the lot on which it is erected and its relationship to adjoining buildings.

48. Regulations do not apply to minor works commenced under simplified requirements
These regulations do not apply in respect of minor works commenced under the simplified requirements.
(20 of 2008 s. 44)

### Building (Planning) Regulations 《建築物(規劃)規例》

1. Citation
These regulations may be cited as the Building (Planning) Regulations.

### Building (Planning) Regulations 《建築物(規劃)規例》

3. Protection of balconies and verandahs
(1)-(2) (Repealed L.N. 439 of 1990)(3) Every balcony projected from an upper storey of a building shall have a clear height, upwards from the floor of such balcony, of not less than the clear height of the storey from which it projects.
(L.N. 406 of 1987)

3A. Protection of openings
(1) Every opening placed on an external wall above the ground floor of any building shall be protected by a barrier which shall be not less than 1 100 mm high and the lowermost 150 mm of such barrier shall be built solid.
(2) A barrier provided under paragraph (1) shall be so designed as to minimize the risk of persons or objects falling, rolling, sliding or slipping through gaps in the barrier, or persons climbing over the barrier.
(L.N. 406 of 1987)

4. Buildings not to obstruct, endanger or cause nuisances
No building or fixture thereon shall be so constructed that it—
(a) (i) obstructs; or
(ii) endangers the users of any adjacent footpath or street; or
(b) creates any nuisance; or
(c) permits the escape into or over any adjacent footpath or street at a height of less than 2.5 m of any noxious gases or exhaust from any ventilating system. (L.N. 294 of 1976)

5. Access to buildings and provision of access lanes, etc., on site of new building
(1) Every building shall be provided with means of obtaining access thereto from a street.
(2) The Building Authority may require the provision of an access lane or access road within the site of any new building.
(G.N.A. 83 of 1959)

6. Building Authority to determine width of road or street
Where for the purposes of these regulations it is necessary to determine the width of any road or street, the same shall be determined by the Building Authority.

### Building (Planning) Regulations 《建築物(規劃)規例》

7. Eaves, cornices, mouldings, etc.
(1) An architectural projection (including eaves, cornice and moulding) that projects over a street—
(a) must not project over the street more than 500 mm; and
(b) must not project at a height of less than 2.5 m above the ground level.
(2) A pipe or gutter (including the appurtenances of the pipe or gutter) that projects over a street—
(a) must not project over the street more than 300 mm; and
(b) must not project at a height of less than 2.5 m above the ground level.
(3) A specified structure that projects over a street—
(a) must not project over the street more than 750 mm; and
(b) must not project at a height of less than 2.5 m above the ground level.
(4) A retractable awning that projects over a street—
(a) must not project over the street more than 500 mm (when retracted) or more than 2.5 m (when fully extended);
(b) must not project at a height of less than 2.5 m above the ground level;
(c) if it projects over a street that has a carriage-way—must have a horizontal clearance of not less than 600 mm from the pavement kerb line; and
(d) if it projects over a street that consists only of a footpath—must have a horizontal clearance of not less than 1.5 m from the centre line of the footpath.
(5) A metal ventilation duct (including the associated supporting frame) that projects over a street—
(a) must not project over the street more than 750 mm;
(b) must not project at a height of less than 2.5 m above the ground level; and
(c) if the duct or any part of it is located on, or hung underneath the soffit of, a balcony, verandah or canopy of a building—must not project beyond the edge of the balcony, verandah or canopy.
(6) In this regulation—
pipe (喉管) includes a water pipe and a drain pipe;

specified structure (指明構築物) means—
(a) a drying rack; or
(b) a supporting frame for an air-conditioning unit, light fitting, or antenna or transceiver for public telecommunications services.

(L.N. 61 of 2020)