Singapore legislation
Regulation 9
Regulation 9
Measures to minimise release or spread of asbestos during work
Subregulation 1
It shall be the duty of a responsible person with respect to any person who carries out or is to carry out any work involving asbestos to take such measures as are reasonably practicable to minimise the release of asbestos into the air arising from the work involving asbestos, including the use of one or more of the following:
a wet method;
engineering control such as a local exhaust ventilation system or containment;
any other safe and appropriate work method or work practice designed to minimise the release of asbestos.
Subregulation 2
Where a local exhaust ventilation system is used for the purposes of paragraph (1), it shall be the duty of the responsible person referred to in that paragraph to ensure that the local exhaust ventilation system is regularly maintained and tested for effectiveness.
Subregulation 3
It shall be the duty of a responsible person with respect to any person who carries out or is to carry out any work involving asbestos to take such measures as are reasonably practicable to prevent the spread of asbestos beyond the asbestos work area where the work is or is to be carried out, including all of the following:
enclosing the asbestos work area and maintaining a negative pressure within the asbestos work area;
turning off and sealing all affected ventilation and air‑conditioning systems in the asbestos work area; (c)filtering all asbestos-contaminated water through a high efficiency particulate filter.
Subregulation 4
In this regulation —
Definition
“local exhaust ventilation system” means an exhaust ventilation system designed specifically to capture airborne asbestos, including an air cleaning device fitted with high efficiency particulate air filters;
Definition
“wet method” means the use of suitable wetting agents to soak or totally saturate any asbestos or asbestos-containing material, or the spraying of wetting agents on any asbestos or asbestos-containing material, but does not include the use of a high pressure water jet.