BUILDING (VENTILATING SYSTEMS) REGULATIONS

BUILDING (VENTILATING SYSTEMS) REGULATIONS

BUILDING (VENTILATING SYSTEMS) REGULATIONS

(Cap. 123, section 38)


[23 October 1964.]

1. These regulations may be cited as the Building (Ventilating
Systems) Regulations.

2. In these regulations, unless the context otherwise
requires-

'Director' means the Director of Fire Services.

3. (1) Save as provided in paragraph (2) of this regulation
and in regulation 7, these regulations shall apply to every ventilating
system that embodies the use of ducting or trunking, which passes
through any wall, floor or ceiling of the building in which the
ventilating system is installed, from one compartment of such
building to another.

(2) These regulations shall not apply to any ventilating system
in buildings which are scheduled premises for the purposes of the
Public Health and Urban Services Ordinance.

4. (1) Save as provided in paragraph (2) of this regulation
and in regulation 7, every ventilating system, to which these regula-
tions apply, shall comply with the following provisions-

(a) all moving parts thereof shall be securely fenced;

(b)every part thereof shall be accessible for the purposes of
inspection, and, in particular-
(i) the spindle of every fan shall be so sited that its
guard may be removed and a tachometer applied thereto;
and
(ii) every air intake and exhaust shall be accessible for
the purposes of measurement;

(c)no air intake for the ventilating system shall be sited in any
place-
(i) which in the opinion of the Director constitutes a
fire hazard; or
(ii) where waste or rubbish is likely to accumulate;

(d)the opening of every air intake shall be fitted with a screen
constructed of corrosion-resistant material having a mesh
not greater than 12 mm;

(e) every duct shall-
(i) be wholly constructed of non-combustible material
having a strength and durability not less than that of
galvanized sheet-iron or steel;





(ii) be accessible for the purposes of cleaning through-
out its entire length;
(iii) where its size is sufficient to allow any person to
enter therein, be fitted with access openings to allow a
person to enter the same and shall be constructed to bear
the weight of any person who has so entered;
(iv) at the point where it passes through any floor, wall
or ceiling, be fitted with a damper which shall be operated
by fusible links of a type approved by the Director, and
designed to operate up to a temperature of 69 -C., and be
so constructed or protected as to resist the action of fire for
a period not less than the period for which the floor, wall
or ceiling through which it passes is designed to resist the
action of fire;

no duct shall serve more than one building;

(g)every filter shall be wholly constructed of non-combustible
material. other than steel wool; and

(h)every electrostatic filter or precipitator shall be of a type
approved by the Director.

(2) Where he thinks fit and subject to such conditions as he
may specify. the Director may by notice in writing exempt any
ventilating system in respect of which application in writing in that
'behalf is made from compliance with all or any of the provisions of
paragraph (1).

5. (1) The owner of any building in which there is installed a
ventilating system to which these regulations apply shall-

(a)keep such ventilating system in safe and efficient working
order at all times; and

(b)cause every damper, filter and precipitator in such ventilat-
ing system to be inspected by a registered ventilation con-
tractor at intervals not exceeding 12 months.

(2) Any person who contravenes paragraph (1) shall be guilty
of an offence and shall be liable on conviction to a fine of 52,000.

SA. (1) A registered ventilation contractor who inspects any
ventilating system shall within 14 days of such inspection issue
to the person on whose instructions the inspection was carried out a
certificate and send a copy thereof to the Director.

(2) A certificate issued under paragraph (1) shall state-

(a) the address at which the inspection was carried out;

(b)whether or not the dampers, filters and precipitators are in
safe and efficient working order; and

(c)the name and address of the registered ventilation contrac-
tor who carried out the inspection.





(3) Any person who-

(a) contravenes paragraph (1); or

(b)makes or causes to be made in a certificate issued under
paragraph (1) a statement which he knows or reasonably
ought to know to be false in a material particular,

shall be guilty of an offence and shall be liable on conviction to a
fine of $2,000 and to imprisonment for 6 months.

6. For the purposes of these regulations, any officer of the
Fire Services Department authorized in writing by the Director may
carry out such tests of any ventilating system to which these
regulations apply, as may be necessary to ascertain whether or not
the same is in safe and efficient working order.

7. Where a ventilating system to which these regulations
apply has been installed in any building before the commencement
of these regulations there shall be no requirement to comply with
the provisions of regulation 4 unless and until-

(a)the ventilating system has been removed or is altered in any
way; or

(b)the Director is of the opinion that the ventilating system
constitutes a fire hazard.
L.N. 144/64. L.N. 60/71. L.N. 294/76. L.N. 362/80. L.N. 235/82. Citation. Interpretation. Ventilating systems to which regulations apply. (Cap. 132.) Requirements with respect to ventilating systems. L.N. 294/76. L.N. 294/76. L.N. 235/82. Duty of owners of ventilating systems. L.N. 60/71. L.N. 362/80. Issue of certificates by registered ventilation contractors. L.N. 60/71. Power of authorized officer. Existing ventilating systems.

L.N. 144/64. L.N. 60/71. L.N. 294/76. L.N. 362/80. L.N. 235/82. Citation. Interpretation. Ventilating systems to which regulations apply. (Cap. 132.) Requirements with respect to ventilating systems. L.N. 294/76. L.N. 294/76. L.N. 235/82. Duty of owners of ventilating systems. L.N. 60/71. L.N. 362/80. Issue of certificates by registered ventilation contractors. L.N. 60/71. Power of authorized officer. Existing ventilating systems.

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