Mobile crane operator a 60
Give TWO examples of where The Work at Height Regulations may apply to mobile crane operations.
Access Egress to Cab Acces Egress to the engine compartment ,Boom jib manintenance , Cab, Engine , Boom jib
When slewing with a load, where should the operator be looking?
Ahead of the load
Crane operations fall within the scope of the Lifting Operations and Lifting Equipment Regulations (LOLER) 1998. Name TWO requirements of the regulations with regards to lifting.
Any lifting operations must be , Properly planned , Properly Supervised
On a busy construction site, how would the slinger/signaller be identified to the crane operator?
By wearing Special and Unique coloured clothing
Name THREE ways in which wind speed can affect the lifting operation.
Can cause load swing , can Slow or Increase the Slew speed of the crane , can shut down lifting opertions
What are the THREE actions or stages that a crane operator undertakes during pre-use inspections?
Carry out the checks according to manufacturer's Specifications , Record when the checks have been performed , Report all the defects immediately
Name THREE ways that a crane operator can contribute in ensuring repeat business with the client or principal contractor.
Compliance with the methed statements , Cooperation with the Workforce , Safe. Working Practices
What is the difference between a contract lift and a standard' crane hire?
On a Contract lift the crane hire company both plans and supervises the lifting Operation , On a standard crane hire the operator is handed Instructions and lifting heights
If setting up to lift loads in a pedestrianised area, state THREE factors that need to be taken into account.
Physical segregation of pedestrians from overhead loads . Machine movements . Noise . Fumes
What THREE main duties of The Health and Safety at Work Act must employees follow?
Protect themselves and Others who may be affected by their acts or omissions . Co-Operate with the employer . Avoid interference , intentionally or Recklessly with anything provided for safety.
Name TWO ways that wet weather can affect lifting operations.
Reduced Visibility , Change in load characteristics , Communication difficlties , Ground can Soften , Ground can become Slippery
During work, the engine starts to overheat. Explain the danger if someone tries to remove the radiator or expansion tank cap.
Removing the radiator tank cap Will cause the hot liquid inside to be released under pressure and could cause burns
If the words STOP NOW are given to the crane operator by radio during the lift, what action must the operator take?
Stop Immediately
What does The Health and Safety at Work Act require employers to do with regards specifically to plant?
The employer must ensure the plant is safe and maintained
When working in a confined area or space: what danger can be present with regards to the counterweight of the machine, when should measures be taken and what measures should be implemented?
The gap between the counterweight and a structure being reduced or contacted the object structure when slewing . Minimum 600mm . Ensure sufficient clearance or block the access in the area .
If the hook block inadvertently (accidentally) lands, what course of action should be taken?
The hoist drum and pully must be checked for the rope Crossover and rope alignment on the pullys BIRDS NESTING ON HOIST DRUM check for alignment or coss-over on the sheaves
The operator has to use a new model of mobile crane that they are unfamiliar with. What do Regulations (i.e. LOLER 98) and other guidance require the operator to have?
The operator is required to have the correct instruction, training and up-to-date information on that particular crane model
What is the purpose of a risk assessment?
The purpose of a risk assessment is to identify and place control measures on Hazards
What is the purpose of a roll or ROPS frame?
The purpose of the ROPS is to provide protection in the eventuality of a rollover with the machine ROLL OVER PROTECTIVE STRUCTURE
If a load is being slewed too fast for its size, what TWO factors must the operator and signaller take into account?
The time and distance needed to stop the slew , the Expected load swing
What is meant by the footprint of the crane?
The total area used by the crane Chassis and the Outriggers at full Extension
Where should the Operator's Manual be kept and why?
TheOperators Manual should be kept inside the cab in a place where the operator has easy access
What are the possible outcomes of facing prosecution for not complying with legislation and regulations?
You can prove that you fulfilled the legal requirement and you are probably going to be found Not Guilty , you are found Guilty and face a prison sentence or a substantial fine
name When THREE parking places the where machine the at machine the end of the should shift, NOT be Parked.
Do not park in front of entrances or exits . Do not park on soft ground . Do not park on pedestrian routes . Do not park on Slopes Do not park close to trenches or stockpiles .
Name THREE ways in which an operator can minimise their impact upon the environment whilst using the machine.
Efficient use of the crane , Lower engine speed ,Well maintained machine, Correct disposal waste , planning the work before to maximise efficiency
If checking the oil level using a dipstick, why must gloves be worn?
Gloves must be worn to avid Oil contact with the skin which can cause skin problems
If a load of 40 tonnes is lifted on four falls or lines of rope, what is the tension in each fall or line?
10 Tonnes
What being Only is two the legs of maximum an 8 load tonne that can be four-legged lifted? chain sling
4 Tonnes
What is the definition of, or how can a hazard be described?
A Hazard is anything that can cause harm to People , Property , Environment .
What is the main purpose of the Rated Capacity Indicator (RCI)?
A device that automatically provides to the operator warnings that the load is approaching or is Exceeding the rated capacity of the crane within a specified tolernce
If the crane has to travel on the public highway, the Road Traffic Act applies. What type of licence and which classes should the operator hold and what is the minimum age allowed?
A full UK driving license with category C if the crane is over 7.5 tonnes and C 1 if the crane is under 7.5 tonnes minimum 21 years of age if the crane is over 7.5 tonnes minimum 18 of the age if the crane is under 7.5 tonnes
What is the purpose of a Method Statement and what is required of the operator?
A method statement describes how the work will be done safely and efficiently . The Operator must be compliant with the Method Statement .
Two cranes are working in the same vicinity that encroach the operating radius of each. What actions would the lift plan or method statement normally specify?
Crane Co-ordinator , Slew Restrictors , Crash Radio's
Which parts of the crane is the radius (for lifting) measured from?
From the centre of the slew ring to the central point of the hook
Give FOUR reasons that may cause the crane to overturn.
Excessive load swing , Soft Ground , Working on a Slopes , Excessive load , insufficient Outriggers Support , Insufficient Counterweight .
List SIX typical subject areas that should be covered in a site induction.
First Aid , Escape routes , lifting Operations , Working at Heights , site layout and welfare facilities working in confined spaces , Method statements
How does the number of lines or falls of rope affect the lifting capacity for the crane and how is hoist speed affected when the number of lines (or falls of rope) is reduced?
Increasingthe number of falls of rope can increase the lifting capacity of crane for a particular configuration , Reducing the number of falls increases the hoist speed
Before leaving the cab for a rest break, after parking and switching off the machine, what final action must be carried out?
Machine must be isolated ,Windows Closed, doors closed and Locked
Apart from the operator, who else may need to use the machine's Operator's Manual?
Maintenance Staff , Supervisors and Transporter Drivers
What determines the minimum distances that any part of plant and machinery has to be kept from over head electricity lines and explain why a distance should be kept.
The Amount of Voltage that runs through the Electricity lines and support used for the Electricity lines WOODEN POLES , METAL POLES . Because the Electricity can Arch or jump gaps
Name TWO things that happen if the hoist rope is not vertical when lifting a load.
The Load can drag and excess load can be placed on the jib and or frame , Load can Slide
As the crane rotates through 360 degrees with a load, what happens to the loading on each outrigger or wheel?
The Loading will rise and fall accordingly
Who only can authorise partial outrigger extensions and what is the effect on lifting capacity by partially extending the outriggers?
The Manufacturer , Lifting Capacity is normally reduced
What is meant by the lifting capacity of the crane and who determines it?
The Maximum lifting capacity of the crane for a particular configuration , The crane Manufacturer
What is the minimum distance allowed near open trenches when travelling the crane and explain why?
The Minimum distance must be more than the trench depth , Any less can cause the trench to collapse
During the lifting operation, part of the task cannot be carried out as detailed in the lift plan. What initially must happen to the lifting operation and who authorises any changes?
The Operation must stop until the plan is amended . The appointed Person
How can a qualification or card benefit a crane operator ?
The Operator can prove his skills have better prospects of Employment and Promotion
Which part of the crane applies loading or pressure to the ground and name TWO ways that pressure can be reduced.
The Outriggers or Wheels . Reduce counterweight , Spreader Mats , Reduce the overall Crane weight Increase the suface area of the outriggers with additional suitable foundation materials
The number of falls has been changed on the hook block. How has this action affected the RCI?
The Rated Capacity Indicator RCI Will have to be reprogrammed
How does the deflection of the boom or jib affect the lift?
The boom deflection can cause an increase in the Radius
If asked to travel with a suspended load, name FIVE factors that must be taken into account by the operator before moving.
The crane is capable and within limits , Travelling with a load is authorised at that site , travelling route is clear from overhead Hazards , The travel route ground is suitable , The crane is configured correctly , Wind speed is suitable , All actions meet the lift plan Criteria
An operator has been asked to pick and carry a load down a small section of the public highway, for which The Road Traffic Act applies. Wwhat effect does this have on crane operations?
The crane must meet all the requirements for the being road legal , the operator must have the appropriate driving licence and the operation can only be done for a maximum distance of 1000yards
Why are crane operators generally regarded as 'safety- critical' workers?
The crane operators are considererd "Safety-critical " workers because of the potential risk of an accident . They can cause harm to themselves or others if they do an unsafe act
As a lifting machine, the crane must be thoroughly examined. What is the purpose of the examination and who would carry out the examination?
To ensure the crane is free from structural defects and problems not covered by the daily checks . AN AUTHORISED AND COMPETENT PERSON
What is the purpose of counterweight(s) on the crane?
To minimise the overturning of the load for the configuration
Why should a crane be re-fuelled at the end of the day?
To prevent condensation building up in the tank as it's cooling down
What is the purpose of the hoisting limit switch (also known as the 'chandelier')?
To prevent the hook block contacting the pulley
Name FOUR different types or levels of disciplinary actions or sanctions that can be applied (by employers Jand judicial bodies) to operators of plant who do not comply with, or follow legislation and regulations.
Verbal Warnings , Written Warnings , Loss of the job dismissal , Prosecution , Fine, Prison Sentence
Why must the seat belt be worn, even with the cab door closed?
Wearing the seatbelt will keep the operator stable in the seat in the eventuality of a rollover
What makes up the total (or gross) weight of a load that is to be lifted?
Weight of the load itself + Weight of the lifting Accessories + Weight of the Hook Block
When would a fly jib or lattice extension be fitted and uesd?
When Extra height or reach is required
The safe working load or working load limit (SWL/WLL) of a multi-leg chain sling only applies in what TWO conditions or configuration?
When each leg is equally loaded , Each leg is within 90 degrees of each other
In what situation does a hard hat NOT need to be worn when operating a mobile crane?
When the operator is in an enclosed structure that meets the FOPS regulation FALLING OBJECT STRUCTURE
When must a banksman or signaller be used before moving a crane?
When the operator is unable to see the direction of travel , USUALLY WHEN REVERSING
Wind speeds can be variable throughout the working day. What action must be taken to ensure safe working conditions are maintained?
Wind speeds must be constanly monitored
State the functions or job role of the following personnel: a) appointed person, b) crane supervisor, c) slinger, d) signaller.
appointed person plan the lift , crane supervisor supervisors the lift , slinger attaches and detach the load to the crane, signaller Guide the load and gives direction to the crane operator
If radios are to be used during the lifting operations, what FIVE actions and checks must be made by the crane operator before use?
check if parts involved know how to use them , check Batteries will last for the duration of the operation or Spare batteries are supplied . Check if all involved in the lifting are on the same Frequency . Check if the signal strength is sufficient , Check if the Frequency is clear from other inerferences .
