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This ESSENTIAL describes the safety requirements of pressure equipment in Singapore, based on the following legislation and information:
- Workplace Safety and Health Act
- Workplace Safety and Health (General Provisions) Regulations
- Guidelines for the registration of pressure vessel in workplaces (published by: Ministry of Manpower)
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| Legislation in force: |
The Workplace Safety and Health Act - Definitions:
“machinery” includes
(b) any steam boiler, gas cylinder, air receiver, steam receiver, steam container or refrigerating plant pressure receiver;
“pressure vessel”
(a) means any container or vessel used for containing any substance under pressure; and
(b) includes any steam boiler, steam receiver, steam container, air receiver, refrigerating plant pressure receiver and gas cylinder;
Fifth Schedule - Machinery, Equipment or Hazardous Substances
Part 1- Machinery and Equipment
6. Any equipment or piping intended for operation under pressure, including all statutory pressure vessels
7. Any equipment or piping intended to contain corrosive, toxic or flammable substances
Art.16) Duties of manufacturers and suppliers of machinery, equipment or hazardous substances used at work
(1) Subject to this section, it is the duty of any person who manufactures or supplies any machinery, equipment or hazardous substance for use at work to ensure, so far as is reasonably practicable —
(b) that the machinery, equipment or hazardous substance is safe, and without risk to health, when properly used;
(c) that the machinery, equipment or hazardous substance is examined and tested so as to comply with the obligation imposed by paragraph (b).
(9) This section applies only to machinery, equipment or hazardous substances specified in the Fifth Schedule.
Workplace Safety and Health (General Provisions) Regulations
Art.27 Conditions before steam boiler, steam receiver, air receiver or refrigerating plant pressure receiver may be used
(1) Subject to paragraph (2), it shall be the duty of the owner of any steam boiler, steam receiver, air receiver or refrigerating plant pressure receiver (referred to in this regulation as relevant equipment) who intends to put the relevant equipment into use in a workplace to —
(a) obtain, in such form and manner as may be determined by the Commissioner, the approval of the Commissioner to use the relevant equipment;
(b) ensure that such examination and test by an authorised examiner as may be specified by the Commissioner has been satisfactorily carried out;
(c) obtain from the authorised examiner a report of the examination and test referred to in sub-paragraph (b), specifying the safe working pressure of the relevant equipment and stating the nature of the tests to which the relevant equipment and its fittings have been submitted;
(d) keep the report referred to in sub-paragraph (c) available for inspection; and
(e) mark the relevant equipment so as to enable it to be identified as the relevant equipment to which the report refers.
Art.28) Steam Boilers
Art.29) Steam Receivers
Art.30) Steam Containers
Art.31A) Extension of time for examination of steam boilers, steam receivers and air receivers
Art.32) Periodical examinations when authorised examiner is not available
Art.33) Pressure vessel containing hazardous substance
Art.34) Pipes and equipment conveying certain substances
Art.35) Gas plants
Art.36) Repair of pressure vessel
Art.37) Prevention of fire
Art.38) Safety provisions in case of fire
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