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Workplace Safety and Health Innovation Awards 2013
Stolt Container Terminal Pte Ltd
Prevention of fall from the top of ISO tank container
Stolt Container Terminal Pte Ltd
Overview of our Company
Stolt Container Terminal Pte Ltd
• We provide cleaning, repairing and storage of ISO tank containers coming
from all over the world. It includes steam heating of viscous or solidified
cargoes so to facilitate discharging.
• Our vision is to lead the world in innovation and safe solutions in tank cleaning
and repair.
• We started operation in Singapore in year 1987, with an average of 10 employees. Now the work force has increased to 30 employees.
• With present facilities, we are capable of handling 1,000 ISO tank containers
per month compared to 150 ISO tank containers in 1987.
Introduction of Our Company
Stolt Container Terminal Pte Ltd
Before
� During repair of ISO tanks, workers need to work on top of tank (2.6m high),
workers are likely to fall off the open sides of the tanks.
Top view of ISO tank container
� Workers are also exposed to fall hazard as they need to climb up the tank to
gain entry into the tank through manhole.
Prevention of fall from the top of ISO tank container
Side view of ISO tank container
Stolt Container Terminal Pte Ltd
Risk Assessment Before Implementation of Tank Rotator
Medium RiskLow RiskLow RiskMinor
High RiskMedium RiskLow RiskModerate
High RiskHigh RiskMedium RiskMajor
FrequentOccasionalRemoteSeverity \ Likelihood
The risk level indicated “high” when risk assessment was carried out on the hazard
of workers falling from the top of the tank.
Prevention of fall from the top of ISO tank container
Stolt Container Terminal Pte Ltd
Prevention of fall from the top of ISO tank container
INTRODUCTION TO OUR INNOVATION
Stolt Container Terminal Pte Ltd
Specifications of Tank Rotator
Prevention of fall from the top of ISO tank container
Tank Rotator
Metal Frame / StandHeavy Duty
Polyurethane wheels
ElectricalMotor Gear
Box
Tank mounted on Rotator
Attachment ring
Stolt Container Terminal Pte Ltd
Prevention of fall from the top of ISO tank container
12 o’clock position
1 o’clock position
4 o’clock position
5 o’clock position
6 o’clock position
3 o’clock position
Stolt Container Terminal Pte Ltd
Risk Assessment – Workers Falling Off From ISO Tanks with Tank Rotator
Medium RiskLow RiskLow RiskMinor
High RiskMedium RiskLow RiskModerate
High RiskHigh RiskMedium RiskMajor
FrequentOccasionalRemoteSeverity \ Likelihood
Prevention of fall from the top of ISO tank container
� The tank rotator effectively the hazard working on height.
� The hazard of tools & equipments dropping onto workers working below is non-existent.
� Tank can be adjusted to desired position when carrying out exterior repair.
� Higher efficiency is achieved as the time of repair is cut down from 90hrs to 50hrs for
each tank.
Benefits of Tank Rotator
Stolt Container Terminal Pte Ltd
� Eliminated overhead works as tank can be adjusted to desired position to carry out repair such as
interior top shell welding & exterior undersides repairs.
� It can be used for tank cleaning, inspection of interior & exterior.
Prevention of fall from the top of ISO tank container
Expandability
� For manhole rescue, simply rotate the point of exit to desired position to pull victim out. This
reduce time spent on setting up lifting tripod stand & also the risk of rescuer falling from height.
Manhole Rescue TripodChecking of interior top shell
Makeshift
stand
Before
After
Stolt Container Terminal Pte Ltd
Prevention of fall from the top of ISO tank container
� The tank rotator can be easily set up by securing the attachment rings on both ends of
ISO tank and place onto the rotator stand.
� The tank rotator is easily activated electrically; without any manual effort.
�Working personnel need not climb onto the tank during set-up or use.
Ease of Set-up and Use
Life Cycle Cost
� With quarterly maintenance, tank rotators can be used for “LIFE”! All parts are easily available
locally and easily replaced.
Stolt Container Terminal Pte Ltd
Prevention of fall from the top of ISO tank container
ALTERNATE SOLUTION
MOBILE WORKINGPLATFORM
Stolt Container Terminal Pte Ltd
Specifications of Mobile Working Platform (MWP)
Prevention of fall from the top of ISO tank container
Top View
Metal Frame
Platform
Side View
Mobile
Ladder Worker protected by handrails
Handrail
Stolt Container Terminal Pte Ltd
Prevention of fall from the top of ISO tank container
� The MWP completed with guardrails / handrails where all the open sides of
the tank are guarded preventing workers falling from height.
� It will be required when repair work must be carried out on top of the tank
without rotating such as re-cladding the exterior of ISO tank container.
� It can be fitted on any tank in the workshop without much restriction.
Benefits of Mobile Working Platform (MWP)
Ease of Set-up and Use
Life Cycle Cost
� With yearly maintenance of wire brush & paint. The MWP can also be used for LIFE!
� The MWP can be easily placed onto the tank using overhead hoist.
Stolt Container Terminal Pte Ltd
Presented by Stolt-Safe
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