28 September 2013
From: Senior Safety Manager
To:
General Manager
Subj: #56-2013 ACTIVITY HAZARD RISK ASSESSMENT FOR THE INSPECTION AND RE-PLACEMENT AS NEEDED OF AFFECTED GRANITE
CLADDING AT SINGAPORE INTERNATIONAL AIRLINES (SIA), UPPER CHANGI ROAD
Ref: (a) Ministry of Manpower Regulations Regarding General Safety and Health 354A
1. Per reference (a), this risk assessment was completed to identify hazards that pose risk to workers, evaluate those hazards for
severity and likelihood of occurrence, and recommend corrective actions that will eliminate or minimize hazards associated with the
removal of granite cladding to facilitate inspection of the existing underlying brackets that hold the granite in place. Once the
inspection has been completed the granite cladding will be re-instated.
2. This AHRA will be reviewed periodically and updated as needed to reflect changes in working conditions, processes or addition of
new materials or equipment.
Inventory of Work Activities………………………………………………………………………………….Page 3
Activity Risk Assessment Matrix……………………………………………………………………………Page 4
Activity Based Risk Assessment Form……………………………………………………………………Page 5-6
Listing of Competent Persons……………………………………………………………………………….Page 7
Please address any questions or concerns to me at 8205 8249 or lee_wilson@pnhgrp.com.
1
Respectfully,
T. L. Wilson
2
Risk Assessment Form
#56-2013, Activity-Based Risk Assessment for the Removal of Granite Cladding to allow Inspection of the
Underlying Bracket System, Make Recommendations and Reports to Singapore International Airlines, (SIA)
Regarding the Integrity of this System and then complete Restoration of the Granite Cladding
Inventory of Work Activities
Company: PNH Resources LTD PTE
No.
1
28 September 2013
Work Activities
Assemble workers, tools and materials at the worksite at Singapore International Airline (SIA), Upper Changi Road, and Sg. Ensue
that safety barricades and hoarding are erected as needed to restrict access by unauthorized personnel.
2
Process Description
Site Preparation /Safety
Considerations, (Erection of
Scaffolding will be the responsibility
of the Owner)
Remove Granite Cladding
3
Inspection
4
Repairs to affected granite
5
Clean-up
6
Listing of Competent PNH Personnel
Provide a structural professional engineer (PE), to Inspect the underlying bracket system and report findings to SIA with
recommendations for corrective actions as needed.
Once the report has been received by the embassy and an agreement is reached with regards to follow on needed works, affect
those works to reinstate the affected granite.
Removal of all tools and excess materials to restore the jobsite to normal operational conditions prior to turning it back over to
Singapore International Airlines.
Listing of competent PNH personnel with contact numbers who can be reached for assistance in the event a problem or question
should arise with regards to their particular expertise.
Remove the existing granite cladding to assess the condition of the underlying bracket system that holds the granite in place.
3
56-2013, ACTIVITY HAZARD RISK ASSESSMENT – FIVE POINT MATRIX EMPLOYED TO
QUANTIFY RISK – 28 September 2013
Risk Criteria
Severity (1-5, Lowest – Highest)
Likelihood ( 1-5, Lowest - Highest)
1-Negligible Injuries: slight injury or health effect,
2-Minor Injuries: Injury or ill health requiring first aid treatment only
3-Moderate Injury: Injury requiring medical treatment or ill health leading to disability
4-Major Injury Disability: serious injury or life threatening occupational disease
5-Castrophic: serious injury resulting in fatality or irreversible health damage with death
1-Rare: very unlikely to happen,
2-Remote: not likely to happen most of the time,
3-Occasional: likely to happen sometime,
4-Major Injury Disability: likely to happen several times regularly,
5-Almost Certain: Likely to happen
Risk Level (Severity x Likelihood)
Trivial Risk
:
Tolerable Risk :
Moderate Risk :
Substantial Risk :
Intolerable Risk :
1 to 2 (L)
3 to 9 (L)
10 to 19 (M)
20 to 24 (H)
25 (H)
- First aid treatment injury, minor cuts or bruises, clean-up effort for environmental impact
- First aid treatment Injury, minor cuts or bruises, clean-up effort for environmental impact
- Temporary disability, lost time injury, outpatient treatment, minor or short term environmental impact
- Serious Injury, permanent disability, major disruption and damage to equipment or structure, significant environmental
- Fatality or fatalities, serious injury, permanent disability, major structural or equipment damage, detriment environmental
The table above provides numerical methodology to better prioritize hazards. These values are the
criteria for the Activity-Based Risk Assessments beginning on the following page. No catastrophic
risk of any certainty was identified.
Risk is calculated mathematically by multiplying severity of the operation by the likelihood an
accident will occur. Generally risk levels calculated at 9 and below are considered acceptable,
manageable risk. This does not preclude the need to try and mitigate all risk to the lowest
possible level. However, those above nine should receive additional scrutiny to determine what
steps are available to reduce overall risk including, administrative controls, substitution of a
higher hazardous material for a less hazardous material, use of engineering controls or use of
personal protective equipment (PPE).
4
Risk Assessment Form
Activity-Based Risk Assessment Form
Company:
PNH RESOURCES PTE LTD
Conducted by: (Names,
designations) (Date)
Process/Location:
Removal of existing granite cladding,
inspection of cladding and reporting as to
the overall condition of the existing bracket
system used to retain the cladding and
affect repairs as needed.
Approved by:
Bradamente Amoroso (Martin)
Last Review 28 September 2013
(Name, designation)
Project Manager
Date:
(Date)
28 September 2013
1. Hazard Identification
2. Risk Evaluation
Lee Wilson
Senior Safety Manager
28 September 2013
Next Review
Date:
01 April 2014
3. Risk Control
1a
1b
1c
1d
2a
2b
2c
2d
3a
3b
No
Work Activity
Hazard
Possible
Accident/
Ill Health &
Persons at Risk
Workers assigned
to complete work
on this project.
Existing Risk Control
(if any)
Severity
Likelyhood
Risk
Level
Additional Risk Control
Action Officer
Designation
1
2
Moving
equipment,
manpower,
tools and
scaffolding*
into position at
the jobsite.
*Scaffolding will
be erected by
the owner
Remove existing
granite cladding
to exposed
support
brackets that
hold this
cladding.
Musculoskeletal
Musculoskeletal
while removing
the granite
cladding as it will
be heavy and
awkward.
Workers
performing this
work.
PNH workers undergo
training on how to
avoid these types of
injuries multiple times
over the course of the
year as part of their
routine training.
2
PNH workers undergo
training on how to
avoid musculoskeletal
injuries. Most
scaffolding
components are less
than 50 lbs.; workers
maintain good physical
2
5
1
2
2
Training should include:
Specifically:
1. Lift with the legs,
2. Keep back straight,
3. Keep the load close to the
body,
4. Don’t twist,
5. Review your path prior to
moving the load
Senior Safety
Manager
4
When removing the granite cladding,
it will be especially important to
observe the aforementioned
recommendations including:
1. Lift with the legs,
2. Keep back straight,
3. Keep the load close to the
body,
Senior Safety
Managers
No
Work Activity
Hazard
Possible
Accident/
Ill Health &
Persons at Risk
Professional
Engineer retained
to conduct this
inspection and
provide a report
to SIA.
3
Inspect the
existing bracket
system for
overall integrity
Eye hazard from
possible flying
debris.
4
Affect repairs as
directed by the
professional
engineer and
replace the
granite cladding
Musculoskeletal
as the granite is
heavy and
awkward to
move.
Workers
performing this
work.
5
Worksite
Cleanup –
remove all tools
and excess
construction
materials
Musculoskeletal
Persons involved
in worksite
cleanup.
Trip/Fall Hazards
Sight Hazard
from flying debris
conditioning and are
experienced in this
type of work.
Existing Risk Control
(if any)
4.
5.
Don’t twist,
Review your path prior to
moving the load
Additional Risk Control
Severity
Likelyhood
Risk
Level
Safety glasses should
be worn while
conducting this
inspection. If the
engineer does not
have, they will be
provided to him.
PNH workers undergo
training on how to
avoid musculoskeletal
injuries. Most
scaffolding
components are less
than 50 lbs.; workers
maintain good physical
conditioning and are
experienced in this
type of work.
As discussed in section
1 above.
2
1
2
Recommend a pre-inspection brief be
provided by the site project manager
to ensure that the engineer
understands the possible risk and the
availability of eye protection if
needed.
Senior Safety
Manager
2
2
4
Senior Safety
Managers
2
1
2
When replacing/repairing the granite
cladding, it will be especially important
to observe the aforementioned
recommendations including:
6. Lift with the legs,
7. Keep back straight,
8. Keep the load close to the
body,
9. Don’t twist,
10. Review your path prior to
moving the load
As discussed in section 1 above
Persons involved
in worksite
cleanup.
Always maintaining
good housekeeping at
the jobsite.
2
1
2
Senior Safety
manager
Persons involved
in worksite
cleanup.
Use of safety glasses at
the worksite
1
2
2
Should this project take more than
one day, recommend that 10-15
minutes be devoted at the end of the
workday to cleaning up and organizing
the jobsite in preparation for work the
following day.
PNH workers receive Sight
Conservation Training as part of the
routine safety training several times
annually.
6
Action Officer
Designation
Senior Safety
Manager
Senior Safety
Manager
QUALIFICATIONS AND POINTS OF CONTACT FOR THIS PROJECT FROM PNH RESOURCES PTE
LTD AND GOODMNAN ENVIRONMENTAL PTE LTD SEPTEMBER 2013
Competent/Qualified Personnel:
Lee Wilson – Senior Safety Manager - 8205 8249
QP/ First Aid CPR/ Heat Stress Program/ Respiratory Protection Program/ Hearing/Sight Conservation Program/Training Coordinator
Bradamente Amoroso (Martin) – 8217 8322
Project Manager/Site Safety
Alan Detoyato – 8126 1374
QP/ First Aid CPR/Electrical
Lim Joseph – 9683 7072
CP/ Scaffolds/ Fall Protection
Eng Yong Chye – 9626 9262
CP/ Electrical/ First Aid CPR/Lock Out/Tag Out
Equipment Used:
Ladders/Scaffolds
Hand and Power Tools
First Aid Kit
Eyewash Station
LOTO Kit
Fire Extinguishers
Inspection Requirements:
Training Requirements
Inspect PPE daily and before use.
Inspect first aid kit at least weekly.
Inspect electrical extension cords before use
Visual inspection of Fire extinguisher daily
Daily Housekeeping of work areas
Daily site safety inspections by Safety Manager
and project Quality Control
7
Ladders/Scaffolds
Proper Lifting Techniques
First Aid/CPR
Emergency Telephone Numbers
Daily/Weekly Safety Tool Box Meetings