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Rollover Warning Device INSERT Name of Speaker and Job Title INSERT Date
Rollover Warning Device
Copyright: Shell Chemicals Lrd
INSERT Name of Speaker
and Job Title
Shell Chemicals
The journey to
Copyright: Shell Chemicals Lrd
Goal Zero
Chemical tanker truck rollovers are a fortunately rare but potentially serious safety
risk, both in terms of loss of product containment and personal injury.
Rollovers involving Shell Chemicals contractor haulier’s vehicles have reduced
dramatically in recent years thanks to increased focus and engagement on logistics
However, incidents continue to occur from time to time in all regions.
Rollovers may result in injuries/fatalities,
damage to the environment, public disruption
and damage to Shell reputation.
The problem
Sudden or severe changes in speed and direction
can produce sufficient inertia to tip a trailer over and
by the time the driver realises what’s happening it’s
usually too late to do anything about it.
RWD Development
Development of a theoretical model to calculate the rollover
threshold of various vehicle types, based on the ECE 111
Development of a working device with specified functionalities
and compatible with Electromagnetic Compatibility (EMC) and
ADR regulations.
RWD currently tested on 8 vehicles in Italy and 1 vehicle in
Netherlands in Chemicals CoB. Another pilot on 5 vehicles in
Finland and 5 vehicles in Norway is currently being started in
Distribution CoB.
How the RWD works
Wireless transmission
Receiving unit
The Receiver
LED scale
External peripherals
programming port
connection port
(power supply and
USB connection port
(communication and
data download)
Pilot study results
• Very positive feedback from drivers.
• Particularly useful for training purposes, especially with new drivers.
• System reliable and easy to install.
• No recalibration necessary.
• Acceleration data easy to download and analyse by fleet managers.
Roll out
• The existing trailers and those in operation until July 11, 2011 without EBS
will continue to operate, until their life end.
• The trailers manufactured after July, 11 2011 will be compulsory fitted with
EBS only if the manufacturer has chosen to adopt the ECE n. 13 Regulation
(presumably apx. 30%).
• It would be advisable that in the tender document Shell specify that the
vehicle must be equipped with an antirollover system according to the ECE n.
13 Regulation Amendment 11 or, alternatively, with a rolllover warning
Roll out
Existing trailers and those in operation without EBS
continue to operate until their life end
July 11, 2011
Manufactured trailers will be compulsory fitted with EBS only if
the manufacturer has chosen to adopt the ECE n. 13 Regulation
(estimated c.30%).
Customer feedback
On the road it is a fantastic tool for training new drivers and let the
experienced drivers feel what is going on with the cargo and the
combination. Especially on round points, and when a direct brake is
As monitor I’m thankful for this extra tool and I use it very much in
the program of B.B.S. and also to teach new drivers working with
liquid loads.
Chauffeur Monitor, Transport Company
Key benefits for the drivers
Continuous feedback on the vehicle stability conditions.
This allows drivers to adapt the vehicle speed to the actual road/vehicle
Particularly important for inexperienced drivers, but also for more experienced
drivers in case of distraction.
Key benefits for the fleet managers
Ability to monitor drivers behaviour through vehicle data analysis.
Reckless drivers may be more easily identified and appropriate corrective
measure can be taken.
Hazardous spots can be better identified (cross- check with existing GPS data.)
Eventually a smoother driving
behaviour will result in lower fuel
consumption and less maintenance
Examples of data analysis
Strengths of RWD
Simple, low-cost device.
Can be retrofitted on existing vehicles.
Influences driver behaviour positively.
Calibration specific to the type of trailer used.
Acceleration sensor is installed where rollover normally starts.
Fleet managers can monitor drivers behaviour.
Some challenges
Not an active system (i.e. does not activate the braking system)
Not currently integrated with other devices (e.g. GPS, IVMS, etc…)
Drivers may adapt their driving to the high amber thresholds, if monitoring is not
It will be replaced by the new EBS systems in the long term.
Conclusion – next steps
Units will cost apx. 500 Euro each.
Installation is very easy and can be done in less than 1 hr.
Bertocco has installation procedures ready to apply.
Copyright: Shell Chemicals Lrd
Many thanks
Further contact: [email protected]
[email protected]
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