5. Any premises delineated as a railway area under the Rapid Transit Systems Act (Cap. 263A) and where any inspection, testing or maintenance of any railway is carried out.
6. Any premises (other than domestic premises) in which a steam boiler, steam receiver or air receiver is used.
7. Any laboratory or other premises where the testing, examination or analysis of any article is carried out.
SECOND SCHEDULE
DANGEROUS OCCURRENCES
1. Bursting of a revolving vessel, wheel, grindstone or grinding wheel moved by mechanical power.
2. Collapse or failure of a crane, derrick, winch, hoist, piling frame or other appliance used in raising or lowering persons or goods, or any load bearing part thereof (except breakage of chain or rope slings), or the overturning of a crane.
3. Explosion or fire damage to the structure of any room or place in which persons are at work, or to any machine or plant contained therein, and resulting in the complete suspension of ordinary work in the room or place or stoppage of machinery or plant for not less than 5 hours, where the explosion or fire is due to the ignition of dust, gas or vapour, or the ignition of celluloid or substance composed wholly or in part of celluloid.
4. Electrical short circuit or failure of electrical machinery, plant or apparatus, attended by explosion or fire or causing structural damage thereto, and involving its stoppage or disuse for not less than 5 hours.
5. Explosion or fire affecting any room in which persons are at work and causing complete suspension of ordinary work therein for not less than 24 hours.
6. Explosion or failure of structure of a steam boiler or of a receiver or container used for the storage at a pressure greater than atmospheric pressure of any gas or gases (including air) or any liquid or solid resulting from the compression of gas.
7. Failure or collapse of formwork or its supports.
8. Collapse, in part or in whole, of a scaffold exceeding 15 metres in height or of a suspended scaffold or a hanging scaffold from which any person may fall more than 2 metres.
9. Accidental seepage or entry of seawater into a dry dock or floating dock causing flooding of the dry dock or floating dock.
