This document is an activity-based risk assessment form for hot works (ceiling support works) being conducted at the MOE at Ghim Moh project by Create Logic Pte Ltd. It identifies 5 major hazards - improper manual handling, hot works causing fires/explosions, arc welding electrocutions and fires, gas cutting and arc welding fires, and trip and fall hazards from gas hoses and cables. For each hazard, it evaluates the existing and additional risk controls and assigns risk probability numbers. It also provides a risk level matrix to define acceptable risk levels and recommended actions.

1. ACTIVITY-BASED RISK ASSESSMENT FORM NO.OF PAGE:6
Company : Create Logic Pte Ltd RA Leader
Name Signature Approved by
Zabriel
Project: MOE at Ghim Moh
RA Member 1: Vincent Chong Name : Keith Tam
Process/location:
Hot Works
(ceiling support works)
RA Member 2: Chen Liangkuan Designation: (Director)
Original Assessment Date: 24/12/2021 RA Member 3: Qi Huazhi Date: 27/12/2021
Last Review Date: NA RA Member 4: Li Yingwei
Signature:
Next Review Date: 23/12/2024 RA Member 5:
1. Hazard Identification 2. Risk Evaluation 3. Risk Control
1a. 1b. 1c. 1d. 2a. 2b 2c 2d 3a. 3b 3c 3d 4e. 4f.
Ref Work Activity Hazard
Possible Injury /
Ill Health
Existing Risk Controls
Severity
Likelihood
RPN
Additional Controls
Severity
Likelihood
RPN
Implementatio
n Person,
Designation
Remarks
1. Loading /
unloading and
transferring of
materials.
Improper
manual
handling and
lifting
procedures.
Back injury,
Serious Bodily
Injury or
Fatality
Elimination
NA
Substitution
manual handling
Engineering Control
NA
Administrative Control
- Ensure that there are two personnel
to carry the load if it is too heavy or
bulky.
- Reduce the amount of weight
handling at one point.
4 2 8
Elimination
NA
Substitution
NA.
Engineering Control
NA
Administrative Control
- Ensure that proper
manual handling
procedures. Such as
proper posture during
manual lifting.
4 1 4
Site supervisor

2. Personal Protective Equipment
- NA
Personal Protective
Equipment
- NA
2. Hot Works. Flying Sparks,
Fire and
Explosion.
Eye Injury,
Burns, Serious
Bodily Injury or
Fatality.
Elimination
NA
Substitution
NA
Engineering Control
- Provision of flash back arrestor for
both acetylene cylinder and gas cutting
tool.
Administrative Control
- Implementation of hot work PTW
prior to starting work.
- Ensure that only competent person to
carry out hot work.
- To clear all flammable materials
within the hot work area.
- Provision of fire extinguisher for hot
work area.
- Proper maintenance of hot work
tools.
Personal Protective Equipment
- Ensure proper PPEs are worn during
hot work activity.
4 2 8
Elimination
NA
Substitution
NA
Engineering Control
NA.
Administrative Control
- Deploy supervisor to
supervise the hot work
activity.
Personal Protective
Equipment
NA
4 1 4
Site supervisor

3. 3 Hot Works.
(Arc Welding)
Electrocution,
Flying Sparks,
Fire and
Explosion.
Electrocution,
Eye Injury,
Burns, Serious
Bodily Injury or
Fatality.
Elimination
NA
Substitution
NA
Engineering Control
- All alternating current welding sets
are fitted with an effective voltage
limiting device or shock preventer.
- Ensure that welding sets are properly
well earthed into the ground before
commencing any hot works activity.
- Ensure that the electrode holder shall
be properly insulated before
commencing any hot works activity.
- Ensure all welding cables shall be
continuously insulated before
commencing any hot works activity.
- Proper maintenance of all welding
tools.
Administrative Control
- Implementation of hot work PTW
prior to starting work.
- Ensure that only competent person to
carry out welding work.
- To clear all flammable materials
within the hot work area.
- Provision of fire extinguisher for hot
work area.
Personal Protective Equipment
- Ensure proper PPEs are worn during
welding activity.
4 2 8
Elimination
NA
Substitution
NA
Engineering Control
- Use of overhead cable
hangers to ensure that all
no welding cables are
lying on the ground.
Administrative Control
- Deploy supervisor to
supervise the hot work
activity.
Personal Protective
Equipment
NA 4 1 4
Site supervisor

4. 5 Hot Works.
(Oxy-Fuel Gas
Cutting and
Arc Welding)
Fire and
Explosion
Fatality, serious
bodily burnts
Elimination
NA
Substitution
NA
Engineering Control
- Provision of flash back arrestor for
both acetylene cylinder and gas cutting
tool.
Administrative Control
- Implementation of hot work PTW
prior to starting work.
- Ensure that only competent person to
carry out hot work.
- To clear all flammable materials
within the hot work area.
- Provision of fire extinguisher for hot
work area.
5 2 10
Elimination
NA
Substitution
NA
Engineering Control
NA
Administrative Control
- Refresher training on
how to use a fire
extinguisher during an
emergency situation.
- Daily inspection by SS.
Personal Protective
Equipment
NA
5 1 5
Site supervisor
4 Hot Works.
(Oxy-Fuel Gas
Cutting and
Arc Welding)
Trip and Fall
Hazards.
Bodily Injury Elimination
NA
Substitution
NA
Engineering Control
- Use of overhead cable hangers to
ensure that all no cables and hoses are
lying on the ground.
Administrative Control
- All unused gas hoses and welding
cables shall be properly coiled and
hang up when not in use.
Personal Protective Equipment
NA
3 2 6
Elimination
NA
Substitution
NA
Engineering Control
NA
Administrative Control
- Ensure all materials that
are not in use are
properly kept and not left
lying around at
workplace
Personal Protective
Equipment
NA
3 1 3
Site supervisor

5. - Proper maintenance of hot work
tools.
(Fire explosion – refer to site ERP)
Ensure that all site personnel are
briefed on the ERP and clear of their
R&R during an emergency.
Personal Protective Equipment
- Ensure proper PPEs are worn during
hot work activity.
Likelihood
Severity
Rare
(1)
Remote
(2)
Occasional
(3)
Frequent
(4)
Almost Certain (5)
Catastrophic (5) 5 10 15 20 25
Major (4) 4 8 12 16 20
Moderate (3) 3 6 9 12 15
Minor (2) 2 4 6 8 10
Negligible (1) 1 2 3 4 5
Risk level Acceptability of risk Recommended actions
Low Risk
(1-3)
Acceptable
No additional risk control measures may be needed.
However, frequent review may be needed to ensure that the risk level assigned is accurate and does not increase over time.
Medium Risk
(4-12)
Moderately
acceptable
A careful evaluation of the hazards should be carried out to ensure that the risk level is reduced to as low as is practicable within a
defined time period.
Interim risk control measures, such as administrative controls, may be implemented. Management attention is required.
Management attention is required

6. Risk level Acceptability of risk Recommended actions
High Risk
(13-25)
Not acceptable
High Risk level must be reduced to at least Medium Risk before work commences.
There should not be any interim risk control measures and risk control measures should not be overly dependent on
personal protective equipment or appliances. If need be, the hazard should be eliminated before work commences.
Immediate management intervention is required before work commences.