element c7.2 lifting work equipment · 2014-10-25 · cranes controls ground capable of bearing...
TRANSCRIPT
Element C7
Element C7.2
Lifting Work Equipment
Lifting Equipment
LOLER
Work equipment for lifting or lowering loads and
includes its attachments used for anchoring, fixing or
supporting it
Element C7
Cranes
Mobile cranes
Combined off and on road lifting applications
Wide range of sizes and capacities
Tower cranes
Relatively light loads to extremes of height and reach
Overhead cranes
Operate over a large linear area
Workshops
Element C7
Cranes
Hazards
Overturning
Weak support
Striking obstructions
Operating outside capabilities
Overloading
Collision
Failure of load bearing part
Loss of load
Element C7
Cranes
Controls
Ground capable of bearing load Check underground services and cellars
Level ground If not – hydraulic stabilisers needed
Load bearing capacity is sufficient for the task
Correct procedures for erecting / dismantling
Positioned so as to avoid collisions
Non-essential people are kept clear of work area
Not operated in adverse weather
Maintain structural integrity of crane Check for corrosion
Element C7
Lifts and Hoists
Transport people and goods
Passenger lifts
Patient hoists
Mobile person hoist
Ceiling person hoists
Stair lifts
Window cleaning cradles
Element C7
Lifts and Hoists
Hoists
Gin wheel hoist
Pulley wheel and rope suspended from fixed point
Hazards
Loss of the wheel
Loss of load from hook
Controls
Ensure gin wheel securely fixed
Proper hook with safety catch
Safe working platform for loading / unloading
Element C7
Lifts and Hoists
Lifts
Mechanical or hydraulic
Hazards Overturn / collapse
Person underneath or near at risk
Supporting ropes or mechanism may fail
Load may fall Maybe in a high position
Persons may become stranded if lift fails
Controls Protect with enclosure / guard
Gates at landings, electromagnetic interlocks
Operate from within lift
Trained and competent operators
If not for people – adequate warning signs
Examined every 12 months / 6 months for people and recorded
Element C7
Lifts and Hoists
Scissor lift
Hazards Crush injuries if raised too high
People or material falling
Overload
Overturn
Collapse
Sheer effect when closing
Controls Trained and competent
Guard at lower scissor mechanism
SSOW
Element C7
Lifts and Hoists
Vehicle Inspection lift
Hazards Crush when lowering
Vehicles rolling off
Overload
Overturn
Collapse
Controls Trained and competent
Flat, even ground
Secure wheels from movement
SSOW
Element C7
Lifts and Hoists
MEWP
Provide work platform at height
Movable under own power or towed
Hazards Overhead cables / machinery
Injuries to head from pipework / roof beams
Falls
Collision
Controls Trained and competent
Guard rails and toe boards
Harness and lanyard, hard hat
Firm and level ground
Tyres properly inflated
Area cordoned off
SSOW
Element C7
SWL
Safe working load
Visibly and clearly marked on all lifting equipment
Supplementary information
Safe angles of lift
People / Not people:
Marked as such
Element C7
Competence
HASAWA
PUWER
Competent person
Plan the operation
Load handler
Attach / detach
Authorised person
Ensure load safely attached
Operator
Competent
Element C7
Selection of Lifting Equipment
Correct type for task
SWL
Correct type and combination of lifting accessories
Radius of operation
Height of lift
Time available
Frequency of lifting
Stable ground
At planning stage
Element C7
Lifting Accessories
Slings
Single leg
Two legged etc…
Steel wire
Chain
Fibre rope
Element C7
Lifting Accessories
Eyebolts
For anchor points
Dynamo
Straight / vertical lifts only
Collar
Angles and vertical
Collar and ring
Multi leg lifts
Element C7
Lifting Accessories
Plate clamp
Lifting sheet metal
Lifting spreader beam
Long loads
Case / drum sling
Less than 1 tonne
Shackles
Secure sling to load / eyebolt
Join 2 slings together
Lifting hooks
Fitted to lifting appliance or shackles
Element C7