[Hallb-engineering] Fwd: Lesson Learned "Engage the Parking Brake when Parking a Vehicle *Lawrence Livermore National Security, LLC"
tilles at jlab.org
Thu Nov 17 13:18:03 EST 2016
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From: "mbailey" <mbailey at jlab.org>
To: "mbailey" <mbailey at jlab.org>
Sent: Thursday, November 17, 2016 1:00:02 PM
Subject: Lesson Learned "Engage the Parking Brake when Parking a Vehicle *Lawrence Livermore National Security, LLC"
Jefferson Lab Lessons Learned : Print Lesson
Engage the Parking Brake when Parking a Vehicle *Lawrence Livermore National Security, LLC
Statement of Lessons Learned
Whether government-owned or personal, a vehicle is not properly parked
�the engine is turned off,
�the automatic transmission is in park (or the manual transmission is in
�the wheels are aligned correctly (turned in the correct direction if
parked on a slope), and
�the parking brake is engaged.
Discussion of Activities
A driver stopped a vehicle in a designated parking space, exited, and
proceeded to engage in conversation with a co-worker. Shortly after, the
driver and co-worker suspected that the engine might still be running.
The co-worker moved from in front of the vehicle to the passenger side
to listen for engine noise. The driver moved to the driver�s side,
opened the door, placing his right hand on the driver�s seat.He leaned
into the cab to check the engine status when the vehicle suddenly
lurched forward, jumped the parking stop, rolled across the walkway
(where the driver and co-worker had been standing a moment earlier), and
collided with the building on the other side.
The driver thought he had put the transmission in park and had turned
off the engine before exiting the vehicle; however the parking brake had
not been engaged.The driver was familiar with the vehicle and had driven
it regularly over the previous 18 months.
The vehicle was equipped with an engine-alert system; however, noise
from a nearby dump truck prevented the driver from hearing the single
chime that sounds to warn that the engine is still running when the
driver�s side door is open.
The driver did not recall whether the front tire was actually against
the parking stop when he exited; however, the height and configuration
of the parking stop is not designed to act as a brake. An experiment
with a minivan and a similar parking stop configuration confirmed that a
vehicle that is in gear, with the engine idling, could roll over the top
of this type of stop configuration if the front tire is more than a foot
from the stop when it starts moving.
The walkway was not raised so after the vehicle rolled over the stop,
there was nothing to prevent its continual motion.
The driver was treated at the on-site medical facility for cuts and
abrasions after being knocked to the ground. His co-worker was not injured.
Review vehicle parking protocol with all employees authorized to operate
government vehicles at LLNL.These includes:
Parking:Park only in designated parking spaces.Turn the front wheels so
the vehicle will not roll into traffic but rather contact the curb and
stop after traveling the shortest distance possible.
-Transmission: Verify that the automatic transmission is in Park, or the
manual transmission is in gear. (First gear is recommended if the
vehicle is facing upslope; reverse if the vehicle is facing downslope).
-Parking Brake: Engage the parking break when the vehicle is parked or
standing unattended. This applies when parking on level surfaces as well
-Engine off: Look at the instrument panel, dashboard lights or other
visual indicators that engage or illuminate when the engine is running
or the ignition is in any mode other than off. This is especially
important for electric or hybrid vehicles because there will be
little/no engine noise.
-Seat Belt: Remove your seat belt and exit the vehicle. Listen for
warning sounds that indicate the engine is not turned off.
JLab Preventive Measures
JLab's Vehicle & Motor Equipment Policy and Procedures, Section 2.2, requires individuals operating vehicles as a representative of Jefferson Lab possess a valid driver's license issued from within the United States. Section 2.3 also requires vehicle operators to complete the GEN 400 training course, "Local Driving Conditions for Jefferson Lab Workers". This training contains provisions that require when vehicles are left unattended, their motors be turned off, and that parking brakes/chocks be used as appropriate.
11/17/2016 11:23:11 AM by Bailey, Mary Jo
Submitted to those with various Jefferson Lab vehicular training
Summary Lesson ID: 976
Doc ID: 2016-JLAB-976
Priority: Best Practice
Safety Related: YES
Originator: Bailey, Mary Jo
Issued: 11/17/2016 11:21:12 AM
Approved By: Bailey, Mary Jo
Approved On: 11/17/2016 11:23:11 AM
Contact: Bill Maciel, LLNL Traffic Safety SME (maciel3 at llnl.gov, 925-423-1900)
Queued Emails: 0
Sent Emails: 0
Viewings: 1 times Attachments
* DOE - Brake.pdf
* Material Handling Equipment
* Powered Industrial Trucks - Forklift with Attachment
* SAF502: FORKLIFT OPERATOR
* GEN400kd: GOLF CART DRIVER FAMILIARIZATION
* GEN400: Local Driving Conditions
* *Division Safety Officers (DSOs)
* *Safety Wardens
* *DOE Notification
* *ESH&Q Liaisons
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