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Taken from…
WorkSafe Western Australia, Department
of Consumer and Employment Protection
http://www.worksafe.wa.gov.au/newsite/worksafe/pages/alrt19970011.html
(
check here for updates from Australia )
This is only one example of what can go wrong and what can
be done about this particular situation, there are many different situations and
remedies but the most common cause for failure is still lack of maintenance and
regular inspection intervals which are required by law.
INCIDENT
11/1997 (Revised 28 January 1998)
During May 1997 a Stenhoj-4 post DS4 (initially thought to be a Major 3
Model) hoist with a safe working load of 3 tonne failed at a Perth Service
Centre with a 1.5 tonne passenger car on the hoist.
Fortunately no one was injured in this incident, but it serves as a reminder
for care and thorough maintenance when operating a hoist.
CONTRIBUTING FACTORS
The hoist had just reached the FULL height position when failure
occurred.
The ram was fully retracted when the ram rod snapped off at the base of
the thread attaching the cable block.
The safety locks did arrest the fall but the left front of the car
slipped off the jacking beam, knocked the adjacent drive post and disengaged
the safety lock on that post.
When the hoist reaches full height and the ram rod is fully retracted,
the cable block hits the end of the ram housing. This appears to have been a
major factor contributing to the fatigue failure.
RECOMMENDATIONS
Anyone using a Stenhoj-4 post DS4 hoist should carefully check the state
of the ram rod in the vicinity of the threaded section. If the cable block
has made any impression on the ram casing, a non-destructive examination of
the ram rod ends should take place, and this part should be replaced if
cracks are detected.
To ensure care is taken when fully raising the hoist to minimise any
impact load on the ram rod, the fitting of an electrical limit switch is
recommended. This will substantially reduce impact loading on this suspect
part. Any alteration to this plant must comply with regulation 4.11
(Alteration to design), 4.34 (Keeping of records) and 4.54(3) (Requirements
of hoist) of the Occupational Safety and Health Regulations 1996.
Should you require further information on the safe operation and
maintenance of Stenhoj Hoists or genuine replacement parts contact the
Australian agent, Petroleum Consulting Pty Ltd on (08) 8349 4474 or fax (08)
8349 4959.
Neil H Scottr
DIRECTOR, INSPECTION SERVICES
28 January 1998 (Orginally produced 9 June 1997)
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No.11
Mechanic Killed!
Truck Falls Off Lift
CALIFORNIA FATALITY ASSESSMENT & CONTROL EVALUATION PROGRAM FACTS CALIFORNIA
DEPARTMENT OF HEALTH SERVICES
David S., a 46-year-old mechanic, was killed when a truck he was repairing fell
off a lift.
The truck was too long, and so the arms of the lift did not reach
the proper lift points. David’s employer did not have safety or training
programs.
WHAT SHOULD BE DONE?
Only use lifts that can support a vehicle at the points designated by the
vehicle manufacturer.
Employers should have an Illness and Injury Prevention Program (IIPP) to make
sure workers are fully trained and follow safe work practices.
The wrong type of lift was used.
There was no safety program to make sure workers used lifts correctly.
For complete fatality reports of this case (03CA10) or other cases, and
information on the California Fatality Assessment and Control Evaluation (FACE)
Program, contact:
California Department of Health Services
Occupational Health Branch, FACE Program
1515 Clay Street, Suite 1901, Oakland, CA 94612
or visit our website at www.dhs.ca.gov/ohb/ohsep/face.
To obtain a copy of this document in an alternate format, please contact:
OHB at (510) 622-4300
or CA Relay Service at (800) 735-2929
California Department of Health Services
Occupational Health Branch, FACE Program
1515 Clay Street, Suite 1901
Oakland, CA 94612
JULY 2004
Department of Health Services
Sandra Shewry, Director
Health and Human Services Agency
Kimberly Belshé, Secretary
State of California Arnold Schwarzenegger, Governor
and Health. the National
Institute for Occupational Safety Occupational Health Branch and
funded by California Department of Health Services, FACE is a public health
program run by the and employees can help prevent them. cause work-related
deaths so that employers the FACE Program is to find problems that may and
Control Evaluation.” The purpose of FACE stands for “Fatality Assessment
Don't forget our regular links to other safety information.
Hoistech International follows
ALI ( Automotive
Lift Institute ) ANSI/ALI ALOIM 2000 Safety
requirements for Operation, Inspection and Maintenance. Click
here to go to ALI
or point your browser to http://www.autolift.org/
For
Alberta Occupational Health and Safety Code,
click here or point your browser to
http://www3.gov.ab.ca/hre/whs/publications/pdf/OHSC-1.pdf
 Section
112
For the latest news release and New safety rules
for the Alberta workplace, click here.
or
copy the following into your browser
http://employment.alberta.ca/documents/WHS/WHS-LEG_ohsc_2009.pdf
The following is Quoted from
WCB of B.C.
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