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Construction Industry Training Institute
Management of Safe Work Practices Rev Date march 2004/PY
Safe Practices in Lifting Operation
Lift and hoists
Lifting gear
Wire Rope safety
Overview
Introduction
Legal Requirements
Lifting of persons in work platform
Construction Industry Training Institute
Management of Safe Work Practices Rev Date march 2004/PY
Safe Practices in Lifting Operation
Safe use of cranes
Ensuring safe slinging
Overview
Roles and responsibilities of signalman, rigger and lifting supervisor
Construction Industry Training Institute
Management of Safe Work Practices Rev Date march 2004/PY
Hoists and Lifts
Good construction, sound material and adequate strength free from patent defect and properly maintainedClassified under lift & hoist and together with Lifting platform and required check by Authorised Examiner once every six months
Hoist way of lift way shall be efficiently protected
SWL signage
Overhoist limit switch
Operated by designated person who is above 18 yrs
WSH (Construction) Regulation 2007
Safe Practices in Lifting Operation
Construction Industry Training Institute
Management of Safe Work Practices Rev Date march 2004/PY
Lifting Gear
Good construction, sound material and adequate strength
Classified under LG and required check by AE once a year
SWL tag or embossed
Periodic check by designated person
Wire RopeWebbing
Safe Practices in Lifting Operation
Construction Industry Training Institute
Management of Safe Work Practices Rev Date march 2004/PY
Shackle Special hook
Steel plate grip
Steel chain
Shackle and eye bolt
Construction Industry Training Institute
Management of Safe Work Practices Rev Date march 2004/PY
Two legged sling Three legged sling Four legged sling
Construction Industry Training Institute
Management of Safe Work Practices Rev Date march 2004/PY
Chain Slings
Construction Industry Training Institute
Management of Safe Work Practices Rev Date march 2004/PY
Inspection & Discard Criteria
Construction Industry Training Institute
Management of Safe Work Practices Rev Date march 2004/PY
Inspection of Shackle
Lifting hook
Construction Industry Training Institute
Management of Safe Work Practices Rev Date march 2004/PY
Shackles
Construction Industry Training Institute
Management of Safe Work Practices Rev Date march 2004/PY
Synthetic webbing
Construction Industry Training Institute
Management of Safe Work Practices Rev Date march 2004/PY
Safe Use of Wire Rope
Wire rope ( BOWEC 230)
Good construction, sound material
and adequate strength
Checking of wire rope
Wire rope construction
Wire Rope Kink
Construction Industry Training Institute
Management of Safe Work Practices Rev Date march 2004/PY
Inspection & Discard Criteria
Construction Industry Training Institute
Management of Safe Work Practices Rev Date march 2004/PY
Clips for rope fastening
Rope fastening
Safe Use of Wire Rope
Construction Industry Training Institute
Management of Safe Work Practices Rev Date march 2004/PY
Lifting of person in a platform
Identification and marking
Design of platform
Safe working load
Handrails and Overhead Protection
Suspension system
cranes
Construction Industry Training Institute
Management of Safe Work Practices Rev Date march 2004/PY
Lifting Machines and Lifting Appliances
Lifting Machines ( Operation of Crane 1999)
Good construction, sound material and adequate strength
Classified under LM and required check by AE once a year
Load test every 4 yearsSWL tag on the crane and load chart in the cabin
Erect or install by approved crane contractor and tested by Authorised Examiner
Licensed operator, trained signalmen, rigger and lifting supervisor
Construction Industry Training Institute
Management of Safe Work Practices Rev Date march 2004/PY
Lifting Machines and Lifting Appliances
Classification of Cranes
Truck mounted Hydraulic Cranes
Crawler Cranes
Tower Cranes
Construction Industry Training Institute
Management of Safe Work Practices Rev Date march 2004/PY
Lifting Machines and Lifting Appliances
Safe use of cranes and lifting equipment
Crane accident
Overloading Soil condition Misuse
Damaged crane Rigging of load
Construction Industry Training Institute
Management of Safe Work Practices Rev Date march 2004/PY
Construction Industry Training Institute
Management of Safe Work Practices Rev Date march 2004/PY
Construction Industry Training Institute
Management of Safe Work Practices Rev Date march 2004/PY
Determine weight & centre of gravity
Determine type of sling & slinging method
Determine most secured points of lift.
Ensuring Safe Slinging
Construction Industry Training Institute
Management of Safe Work Practices Rev Date march 2004/PY
Ensuring Safe Slinging
Select most appropriate sling type & safe working load
Examine slings for defects before use
Apply slings where load is well balanced
Ensure sling does not cause damage to load or load damage to slings
Construction Industry Training Institute
Management of Safe Work Practices Rev Date march 2004/PY
Provide padding whenever necessary
Attach tag lines to control & prevent swaying
Consider ground level obstacles
Ensure load is free from restraint before lifting
Ensuring Safe Slinging
Construction Industry Training Institute
Management of Safe Work Practices Rev Date march 2004/PY
Roles & Responsibilities of a RiggerRoles & Responsibilities of a Rigger
Prepares and ties load before hoisting
Acts as a signalman when signalman is not available to guide crane operator
Familiar with general rigging methods, estimating loads and centre of gravity
Familiar with standard crane operation signals
Construction Industry Training Institute
Management of Safe Work Practices Rev Date march 2004/PY
Roles & Responsibilities of a RiggerRoles & Responsibilities of a Rigger
Able to select proper lifting gears suitable for the job
Controls movements of load safely
Keeps public and unauthorised personnel away from lifting zone
Directs load posing no danger to people and structure
Construction Industry Training Institute
Management of Safe Work Practices Rev Date march 2004/PY
Duties of Signalman
Completed training course approved by MOM
Be attired distinctively to be identified as a signalman
Ensure / verify with rigger that load is properly rigged before giving lifting signal
Give correct and clear signals to guide crane operator in manoeuvring load safely
Ensure proper lifting gears used with sling
Construction Industry Training Institute
Management of Safe Work Practices Rev Date march 2004/PY
Lifting Supervisor
Completed training course approved by MOM
Relevant years of experience
Co-ordinate all lifting activities
Ensure only registered crane operator, appointed riggers and signalmen involved in lifting activities
Ensure ground conditions are safe for lifting
Construction Industry Training Institute
Management of Safe Work Practices Rev Date march 2004/PY
Lifting Supervisor (cont’d)
Ensure safe lifting procedures available when he is absent
Brief all crane operator, rigger, and signalman on safe lifting procedures
Rectify unsafe or unsatisfactory conditions, or ensure lifting is carried out safely.
Construction Industry Training Institute
Management of Safe Work Practices Rev Date march 2004/PY
Crane Operator•Registered by MOM•Ensure crane is positioned and operated as to be stable•Ensure suspended load is not moved over any person in the worksite•Ensure no load is left suspended on the crane when it is not in use
Construction Industry Training Institute
Management of Safe Work Practices Rev Date march 2004/PY
Crane Owner•Ensure good construction, sound material and adequate strength free from patent defect and properly maintained
•Ensure capacity chart is posted and clearly visible. Capacity chart by manufacturer or AE
Construction Industry Training Institute
Management of Safe Work Practices Rev Date march 2004/PY
Group Discussion
• Explain the role and duties of lifting supervisor for mobile crane lifting in a construction site.
Construction Industry Training Institute
Management of Safe Work Practices Rev Date march 2004/PY
Group Discussion Explain the role and duties of lifting supervisor for mobile crane lifting in a construction site.• Completed a training course approved by WSH
Commissioner;• Ensure crane operator is registered, appointed rigger
and signalman are trained in lifting operation;• Ensure all ground conditions are safe for lifting
operation;• Ensure a system of safe lifting procedure is available
for any lifting operation during his absence; • Conduct safety briefing to crane operator, rigger and
signalman on safe lifting procedures; and• Rectify any unsatisfactory or unsafe conditions, or
otherwise ensure any lifting operation is safely carried out.
Construction Industry Training Institute
Management of Safe Work Practices Rev Date march 2004/PY
Group Discussion
• Explain the requirements for mobile crane lifting in a construction site.
– Appointment of lifting personnel.– Lifting machines and lifting gears.
Construction Industry Training Institute
Management of Safe Work Practices Rev Date march 2004/PY