COSH SO2 study materials
COSH SO2 study resources

COSH SO2 case studies

COSH SO2 · Put your knowledge to work in context.

The COSH SO2 credential sits at the supervisory level of construction occupational safety and health practice. It is aimed at site supervisors, foremen, safety officers and engineers who already know the basics and now need to plan, inspect and enforce safe work on a live site rather than simply follow instructions. The COSH SO2 case studies are 5 cases and about 4,059 words.

1

Three Tie Arms Removed and No Valid Scaffold Certificate

At a 14-storey residential refurbishment in Kowloon, a bamboo scaffold was erected over two nights by a subcontractor. At 07:40 on Monday the site safety officer sees two workers on the working platform at level 9; a third is using a spanner to detach three tie arms so that a materials hoist can be installed.

884 words, about 4 min
2

Pallet Falls from Racking in a Shared Forklift Aisle

At a 3,000 m² distribution warehouse in Kwai Chung, a pallet of canned goods fell from the third beam level of a 6 m high adjustable racking system at 14:05. It landed 0.8 m from an order picker who was walking under the racking to reach a pick face; no one was injured.

777 words, about 4 min
3

Silica and Noise Exposure in a Tunnel Heading

At a tunnel enlargement project, 10 workers operate a hydraulic breaker and a ventilation fan in a 6 m diameter heading. Personal noise dosimetry over a 12-hour shift gives an 8-hour equivalent of 94 dB(A) for the breaker operator and 88 dB(A) for the labourers.

807 words, about 4 min
4

Night-Time Fall from a Ladder in a Cold Store

At 21:30 in a food-processing factory, a 52-year-old electrician fell 2.4 m from a fibre-glass stepladder while replacing a ceiling light in a cold store. He suffered a fractured wrist and a scalp laceration; he was alone and was found by a cleaner about 10 minutes later.

771 words, about 4 min
5

Chained Exit and Faulty Fire Alarm in a Multi-Tenant Factory

A five-storey flatted factory in San Po Kong houses 180 workers in 12 tenant units. The building has one 1.2 m wide staircase serving all floors.

820 words, about 4 min