WSH Alert Accident Advisory, 12 February 2020: Worker struck by fallen brick wall
12 February 2020, Ref: 1920098
Accident Advisory: Worker struck by fallen brick wall
|Ref: 1920068 WSH Alert Accident Notification dated 25 November 2019|
On 22 November 2019 around 10:30am, a worker was carrying out housekeeping works within a worksite next to an existing building, when a portion of the building’s brick wall facade collapsed and struck the worker. The worker was conveyed to the hospital where he succumbed to his injuries two days later.
|Figure 1: Overview of the accident scene.|
Developers, contractors, principals and employers carrying out building works are advised to assess workers‘ risks arising from factors beyond the worksite, such as construction activities at an adjacent worksite:
• Together with the project designer, the developer (commonly referred to as the
client) should ensure that all foreseeable risks are identified and control measures
put in place to eliminate or reduce the risks. Residual risks (if any) should
be communicated to the affected parties (including contractors in adjacent
properties) so that additional measures may be taken prior to work commencement.
• The developer is encouraged to perform regular site walkabout at suitable intervals
to monitor the works and ensure that contractors are adhering to the documented
safe work procedures or method statements as well as the site safety rules.
Contractors must undertake safety planning prior to project execution. In particular, contractors must look out for incompatible work that must not be carried out concurrently. Where incompatible works are carried out concurrently, the chances of a worksite accident is increased. The two construction scenarios to plan for are:
Works next to adjacent worksites
Works involving Addition and Alteration (A&A)
Safety of the general public
• Strict access control must be implemented to ensure that only authorised workers
are allowed in the construction site and out of bounds to the general public.
• When preparing the worksite risk assessment, the safety of the general public
must be included for sites next to public areas, which could be affected by
the construction work.
• In cases where partial street and/or walkway closures are needed, temporary
traffic control plan should be put in place to ensure vehicular and pedestrian safety.
Conduct a thorough Risk Assessment (RA) for all work activities to manage any foreseeable risk that may arise when working at or next to an adjacent construction worksite. The RA should cover, but not limited to, the following areas:
|Last Minute Risk Assessment (LMRA)|
• Contractors should conduct LMRA to identify new site-specific risks at the start of
each day before any work is undertaken as well as how the new hazards could affect
the work for the day and the appropriate means for hazard mitigation. It is
suggested that the LMRA be recorded and signed off by all workers involved in the
work activity. The signing-off would demonstrate that the LMRA has been
communicated and the relevant persons are aware of the new risks and its controls.
Danger zone demarcation
Safe Work Procedure (SWP)
removal or installation of facade.
1. Workplace Safety and Health Act
2. Workplace Safety and Health (Risk Management) Regulations
3. Workplace Safety and Health (Construction) Regulations 2007
4. Workplace Safety and Health (Design for Safety) Regulations 2015
5. Workplace Safety and Health (General Provisions) Regulations
6. Code of Practice on Workplace Safety and Health Risk Management
7. CP 79: 1999 Code of Practice for Safety Management System for Construction
Worksites (Incorporating Amendment No. 1, June 2010)
8. WSH Guidelines on Design for Safety
9. WSH Guidelines on Contractor Management
10. WSH Guidelines on Workplace Traffic Safety Management
11. WSH Council’s Toolbox Meeting Kit
* Information on the accident is based on preliminary investigations by the Ministry of Manpower as at
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