JOB SAFETY ANALYSIS Job Description: Crane Operation Item Detail of Activity 1 Mobilization of crane to onsite location 1) 2) 3) 4) HAZARD Faults with Crane Plant becoming bogged in sand & mud Pedestrians Onsite Traffic/plant 1) 2) 3) 4) 2 Pre-job meeting and Toolbox 1) Inexperienced workers 2) Inadequate consultation 3) Inadequate understanding of equipment 4) Site hazards and emergency Procedures not known 1) 2) 3) 4) 5) 3 Locate crane into lifting positions on site 1) 2) 3) 4) 5) Pedestrians Traffic Other Plant Other Equipment Buildings Power lines & underground Utilities 6) Lift radius Access 7) Ground Condition 1) 2) 3) 4) Control Measures Pre-start Checks. Plant to stick to designated roadways and turning areas. Personnel on hand to warn others of crane movement in the vicinity or via radio where available. Alternate pathway defined by bollards and reflective tape. Sufficiently skilled employees to complete task (competencies and Licences) Adequate consultation with all relevant employees Adequate competent supervision throughout the project Proper planning for equipment required for the task Site & work area inductions compulsory for all personnel Desired setup area should also be level, unless prior consultation has been made with the supplier of the crane The workplace is adequately prepared for the incoming mobile crane, including where possible a clear predefined area/crane pad for the crane to position upon Check and confirm exclusion areas Barricades, witches Hats, Danger Tape, Warning Signs Requested by HSE HSE HSE 5 Inspect chains and or slings, shackles, hooks, and attachment points in preparation for use 1) Crane overturning due to unstable ground condition 2) Personnel being crushed by outriggers 5) Access roads are available and soundly constructed with suitable entry points to site 6) Crew should always inspect site prior to positioning crane in final position 7) Elements to observe include 8) Load location and scope of lift 9) Location of any overhead obstructions including wires, trees, buildings, restricted airspace (i.e., near airport) 10) Location of any underground services and/or trenches including utilities and drainage arrangements that may affect integrity of ground 11) Adequate room for rigging and erection of mobile crane 12) Adequate tail (counterweight/winch) swing clearance 13) Ability to cordon off area with suitable barricading resources 1) Outriggers must be positioned on a flat surface. 2) Using timbers or suitable material for pads to evenly distribute the load to the ground. 3) Crane to be located within the radius for the loads being Lifted. 4) Outriggers should only be extended on the side where the Operator is positioned or with a suitable spotter. 5) Where space permits, outriggers shall always be fully extended. 6) Where space is limited, crane should be configured to maximum capacity – this may HSE 7) 8) 9) 10) 11) 12) 13) 14) 15) require the use of reduced outriggers or on rubber, when permitted by the manufacturer. Outriggers shall always be extended to manufacturers procedures and specifications, including the requirement to fit manual pins. All outriggers-jacks should be always utilized. Generally Standard Safe Working Load capacity charts are based on all outriggers fully extended and set with wheels clear of ground. Outrigger Packing Additional packing should always be utilized under outrigger floats Commonly used Outrigger Mats should carry designn information and be subject to periodic inspection When timber packing is utilized, it should be in a ‘pigsty ‘packing Arrangement ‘Rule of Thumb’ formulae and calculations should be observed. Area (m2) = 0.65 x (Cm + L) ------------- V Cm = Total mass of crane (KN) L = Total mass of load (KN) 6 Attaching Fly or Pin Jib to Crane Working at heights/falling V = maximum permissible bearing pressure of soil (kpa) 1) follow W/H permit use appropriate attachment point & safety harness when walking along crane boom U HSE 7 Position counterweight truck in an easily accessible spot for the crane to load its counterweights Changes in weather conditions Changes in operators Changes in ground suitability 8 Packing up and/or leaving crane onsite. Unauthorised person access crane site Damage to crane Injury to public 2) Use an EWP or ladder for this task & follow safe work practices 1) Continual safe operation can be aided by periodic inspection throughout the project of the following. 2) Outrigger Jacks – Leaking oil/retraction of shaft 3) Outrigger Mats – excessive settlement and/or sinking into ground, i.e., loadings increasing beyond estimated capacity of ground – such as unknown backfilling 4) Outrigger Floats – Cracking or critical damage 5) Evidence of water content in ground 6) Should requirements change during operation, then crew shall re-assess and review crane capacity and wider environment to ensure revised work practice is within limits and safe to continue operation. 1) Upon completion of project, or specific stage the crane 2) equipment and site shall be left in a secure and safe manner 3) If the crane is to be left onsite 4) Retract Boom, remove keys from the ignition and secure/lock 5) Outriggers should be inspected prior to next use 6) Barricading should remain in place around the crane and any work area deemed necessary HSE HSE 9 Packing up and cleaning up work site Trip hazards Manual handling injuries Crush & Pinch injuries Equipment damage Counterweights coming off the back of the truck Crush & pinch injuries Falls 1) 2) 3) 4) 5) 6) 7) 8) 9) 10) 10 Exit site and return to Depot overhead Powerlines Collision with people/personnel and other vehicles/plant when exiting site Counterweights sliding off during travel Traffic Accident 1) 2) 3) 4) Use correct manual handling techniques Wear appropriate PPE Rubbish to be placed in bins Tools & Equipment to be packed Lifting gear packed Timbers packed Pads loaded Make certain counterweights are stacked on rubber mats and correctly tied down for trip Guide counterweights onto the truck tray with taglines Where possible use EWP or Platform Ladder Access otherwise be cautious of footing. Crane boom to be down when travelling under power lines Maintain site speed limit when exiting work site Communicate with other vehicles onsite is necessary Observe road rules and take into consideration drivers and riders who don’t understand the nature of cranes and trucks HSE HSE