1. Why must the telehandler operator ensure that the boom operating controls are isolated before the slinger attaches the load?
The telehandler operator must isolate the boom operating controls before the slinger attaches the load to prevent accidental movement of the boom. This ensures the safety of the slinger and prevents any potential harm or damage caused by uncontrolled movement of the boom. It is a standard safety practice in the construction industry to follow these procedures to protect personnel and equipment.
2. Explain the effect that could happen when turning left or right with a suspended load, even gently?
When turning left or right with a suspended load on a telescopic handler, it can cause the load to swing, which can lead to instability and potential tipping of the equipment. This can result in property damage, injury, or even fatalities. Always ensure that loads are properly secured and within the equipment's capacity. Avoid sudden or sharp turns to minimize the risk of load swinging. It is best to consult the manufacturer's instructions and receive appropriate training before operating a telescopic handler with a suspended load. Safety should always be the utmost priority in such situations.
3. If the operator has to attach their own load, what should they ensure before leaving the cab of the machine?
The operator must ensure that the telescopic handler is on stable ground and the brakes are engaged. They should also ensure the load is securely attached and properly balanced. The operator must follow the manufacturer's instructions and any specific site requirements. Finally, they should communicate with any relevant personnel to ensure a safe and coordinated operation.
4. Whilst being guided by a slinger/signaller, the operator loses sight of them. What should the operator do?
If the operator loses sight of the slinger/signaller while handling suspended loads, they should immediately stop all movements and wait until visual contact is reestablished. It is essential to have clear communication and visual guidance when handling suspended loads to ensure the safety of everyone involved. The operator should never continue operating without being able to see the slinger/signaller, as this can lead to accidents and potential injuries.
5. Accessories or attachments for suspended loads must only be attached to manufacturer's approved lifting point. Explain THREE possible consequences if the recommendations are not followed.
If the recommendations for using manufacturer-approved lifting points for accessories or attachments on a telescopic handler carrying suspended loads are not followed, several consequences may arise:
1. Safety risks: Using non-approved lifting points can jeopardize the stability and balance of the load, increasing the chances of accidents, including load imbalance, falls, and injuries to personnel.
2. Equipment damage: Non-approved lifting points may cause undue stress on the telescopic handler, potentially leading to equipment malfunction, structural damage, or even the collapse of the machinery.
3. Violation of regulations: Non-compliance with manufacturer recommendations can result in legal liabilities, including penalties, fines, or loss of licenses, as it contravenes health and safety regulations governing the industry.
6. If a load chart is not available for suspended loads or for the type of attachment, in what situations can the machine be used?
If a load chart is not available for suspended loads or for the specific attachment, it is not advisable to use the telescopic handler. Load charts are essential for ensuring the machine's stability, safe operation, and preventing potential accidents or damage. Without a load chart, there is a risk of overload, which can cause stability issues, tip-overs, or damage to the machine and the load. It is crucial to always follow manufacturer guidelines, consult an expert, or obtain the appropriate load chart before using the machine for suspended loads or with unfamiliar attachments.
7. As well as checking the rated capacity of the machine and the lifting accessories for the load, the lifting capacity of what else must be checked?
In addition to checking the rated capacity of the machine and the lifting accessories for the load, the lifting capacity of the supporting surface should also be checked. This includes factors such as ground conditions, stability of the surface, and any weight-bearing limitations. It is important to ensure that the surface is suitable and can safely support the weight of the machine and the load being lifted.
8. When picking up a suspended load, what constitutes the total weight that is to be lifted by the machine?
The total weight lifted by the machine when picking up a suspended load includes the weight of the load itself as well as any additional attachments or equipment used in the lifting process. It is important to ensure that the telescopic handler is capable of safely lifting the total weight of the load, including all additional components, to prevent any risks of equipment failure or accidents.
9. Travelling in a forward direction with a suspended load which has a large surface area, even though within safe limits, can be hazardous for what THREE reasons?
Travelling forward with a suspended load that has a large surface area can be hazardous for three reasons:
1. Increased wind resistance: The larger the surface area of the load, the more it can be affected by wind. This can cause instability and increase the risk of the load being blown or swayed off balance.
2. Reduced visibility: A large, suspended load can obstruct the operator's view, making it difficult to see potential hazards and obstacles in the path of travel, increasing the risk of collisions or accidents.
3. Heightened tipping potential: The weight distribution of a load with large surface area can be uneven, leading to an increased risk of tipping the telescopic handler, especially when travelling forward, which can compromise stability and potentially cause rollovers.
10. What checks need to be taken before a lifting accessory can be used?
Before using a lifting accessory, several checks should be performed. Firstly, ensure the accessory is suitable for the task and in good condition. Inspect it for any damage or signs of wear. Check that it has a valid and up-to-date thorough examination certificate. Ensure it is compatible with the equipment being used and that the weight limits are not exceeded. Additionally, make sure all relevant safety features are in place and functioning correctly. Always follow the manufacturer's instructions and any applicable legal requirements. Regularly maintain and inspect the accessory to ensure ongoing safety and performance.
11. In terms of visibility, turning to the right with a raised boom can be more hazardous for what reason?
Visibility is reduced when turning right with a raised boom on a telescopic handler because the boom obstructs the operator's line of sight to the right-hand side. This limits their ability to see any potential hazards in that direction, increasing the risk of accidents or collisions.
12. What THREE checks need to be made before any load is to be lowered into a trench or excavation?
Before lowering any load into a trench or excavation using a telescopic handler, three important checks need to be made:
1. Check the stability of the ground: Ensure that the ground where the telescopic handler will be positioned is stable and capable of supporting the load and the equipment. This can be done by conducting a ground stability assessment or seeking professional advice.
2. Check for any underground utilities: Before lowering the load, check for any underground utilities, such as cables, pipes, or other services, to avoid potential damage or accidents. This can be done by using utility plans or using specialized equipment like cable locators.
3. Check the load capacity of the telescopic handler: Verify that the telescopic handler has the appropriate load capacity to handle the weight of the load being lowered. Refer to the equipment's specifications or consult the manufacturer's guidelines for load limits.
Remember, these checks are essential to ensure the safety of personnel and prevent accidents when working in trenches or excavations.
13. Travelling with extra-long loads should be undertaken with a slinger for what reason?
Using a slinger while travelling with extra-long loads on a telescopic handler is important for safety reasons. The slinger helps to maintain stability and control of the load, reducing the risk of it swinging or falling. This is particularly crucial when working at height or in confined spaces where the consequences of a load falling could be severe. The slinger also ensures that the load is evenly distributed and properly secured to prevent any imbalance or shifting during transport. Overall, using a slinger while travelling with extra-long loads enhances safety and minimizes the potential for accidents.
14. Why should the standard load chart for fork operations not be used for suspended load operations?
The standard load chart for fork operations should not be used for suspended load operations because there are different factors to consider. Suspended loads have a higher risk of instability due to their hanging nature. They can swing, shift, or cause the machine to become unbalanced. The load distribution and center of gravity are also different for suspended loads. Using the standard load chart for fork operations may not accurately account for these factors, resulting in potential accidents or damage. It is essential to refer to the specific load chart designed for suspended load operations to ensure safe and efficient handling.
15. a) What is the purpose of a lift plan and b) when would one be required?
a) The purpose of a lift plan is to assess and plan for the safe and efficient lifting and movement of loads using a telescopic handler. It involves identifying potential hazards, selecting appropriate equipment, determining load weights, and outlining procedures to ensure safety during the lifting operation.
b) A lift plan would be required whenever you are lifting or moving suspended loads using a telescopic handler. This is necessary to comply with health and safety regulations, mitigate risks, and avoid accidents. It ensures that all aspects of the lifting operation are carefully considered and implemented to protect workers and property.
16. Only two legs of a 4 tonne 4 legged chain sling are being used. What is the maximum load that can be lifted with that sling?
With only two legs of a 4 tonne 4-legged chain sling being used, the maximum load that can be lifted is half of the working load limit (WLL) of the sling. Therefore, the maximum load that can be lifted with that sling is 2 tonnes.
17. a) In what circumstance can the machine's boom be extended for pick-and-carry/travelling duties and b) what must be taken into account if it needs to be extended?
a) The telescopic handler's boom can be extended for pick-and-carry/travelling duties when the load is suspended on the forks or attachment and does not exceed the machine's rated capacity at the specified reach.
b) If the boom needs to be extended, factors that must be taken into account include ensuring that the load remains securely attached and balanced, checking ground conditions to prevent tipping, and following safe operating procedures and manufacturer's guidelines to maintain stability and prevent accidents.
18. Before undertaking any suspended load lifting duties, what TWO factors should the telehandler operator check with their supervisor before work starts?
Before starting any suspended load lifting duties, the telehandler operator should consult the supervisor regarding two critical factors: First, the operator needs to confirm the telehandler's load capacity for suspended loads. Second, they should discuss the proper use of approved lifting attachments, such as hooks or clamps, to safely handle the loads. By ensuring adequate load capacity and following approved lifting procedures, the operator can reduce the risk of accidents or equipment damage during suspended load operations.
19. What is the recommended travel speed when travelling with a suspended load?
The recommended travel speed when transporting a suspended load with a telescopic handler is generally slow and cautious. It is advisable to follow the manufacturer's guidelines and any specific regulations or site rules in place. Slow and controlled movements help ensure stability and reduce the risk of accidents. Always prioritize safety and never exceed the speed limits or compromise load stability.
20. If fitting an approved attachment such as a lifting jib, what TWO ways can the machine's rated lift capacity be affected?
When fitting an approved attachment like a lifting jib to a telescopic handler, the machine's rated lift capacity can be affected in two ways. First, the rated lift capacity may decrease due to the additional weight of the attachment itself, which increases the load on the machine. Second, the attachment may change the load's center of gravity, affecting stability and potentially reducing the machine's lifting capacity. It is crucial to refer to the manufacturer's specifications and guidelines for the specific attachment and machine being used to ensure safe and efficient operation.
21. What THREE factors must be taken into account if a load is being lifted onto a platform with a set of lifting chains which are long in length?
When lifting a load onto a platform using long lifting chains, three important factors to consider are:
1. the weight and dimensions of the load, ensuring they are within the safe working limits of the telescopic handler and the lifting chains;
2. the stability of the platform, ensuring it can support the load without tipping or collapsing; and
3. the skill and experience of the operator, ensuring they are competent in maneuvering the telescopic handler and accurately positioning the load onto the platform. These factors are essential to ensure the safety and effectiveness of the lifting operation.
22. a) What would be considered the main danger zone for a slinger/signaller (load handler) when controlling a suspended load during pick-and-carry duties and b) what could be a consequence if the slinger/signaller was within the zone during travel?
a) The main danger zone for a slinger/signaller is the area below and around the suspended load. They should avoid being directly underneath the load and maintain a safe distance from it.
b) If the slinger/signaller is within the danger zone during travel, they could be at risk of being struck by the load or colliding with objects. This could cause serious injury or even death. It is important for the slinger/signaller to position themselves in a safe location away from the danger zone during travel.
23. A machine is equipped with a load chart that provides information relating only to static free-on-wheels duties. In what circumstance can pick-and-carry duties be undertaken?
Pick-and-carry duties should only be undertaken if specifically authorized by the manufacturer and clearly stated in the machine's documentation. It is essential to follow these guidelines to ensure safe operation and prevent accidents. Remember, the load chart only provides information for static free-on-wheels duties, so deviating from this without proper authorization is risky and can compromise safety. Please consult the manufacturer for specific guidance on pick-and-carry duties with your telescopic handler. Safety should always be the top priority.
24. Travelling with a suspended load on uneven ground/rough terrain may be hazardous for what reason?
Travelling with a suspended load on uneven ground or rough terrain can be hazardous due to increased instability and the risk of tipping over. The uneven surface can cause the telescopic handler to lose balance and potentially result in the load swinging or being dropped. This can pose a serious danger to the operator, nearby workers, and the load itself. It is essential to ensure stability by operating within the machine's rated capacity, assessing ground conditions, and using appropriate attachments or support systems to minimize the risks associated with suspended loads on uneven ground.
25. If the load inadvertently or accidentally catches the ground whilst travelling, what course of action should be taken?
If the load catches the ground accidentally while travelling, the operator should come to a complete stop. They should assess the situation to determine if any damage has occurred to the load or the telescopic handler. They should then check the load's stability and make any necessary adjustments before continuing. It is crucial to ensure that the load is properly secured and that it does not compromise the stability or safety of the telescopic handler. Vigilance and adherence to safe operating procedures are key in preventing accidents and minimizing risks in such situations.
26. The safe working load (SWL) of a multi-leg chain sling only applies in what TWO conditions or configuration?
The safe working load (SWL) of a multi-leg chain sling applies when the load is suspended in a vertical configuration and when the angles between the legs are within the specified limits. It's important to ensure that the load is properly balanced and that the correct angle parameters are maintained to ensure the safe operation of the telescopic handler. Always refer to the manufacturer's guidelines and conduct regular inspections to ensure compliance and safety.
27. To minimise the risk of a sideways overturn, how should the boom be positioned when travelling with a suspended load?
When travelling with a suspended load on a telescopic handler, the boom should be positioned low and facing downhill. This helps to maintain stability and reduce the risk of a sideways overturn. It is important to ensure that the load is properly secured and within the machine's capacity limits. Regular checks on the machine's stability indicators and adherence to safe operating procedures are essential to minimize risks. Always consult the manufacturer's guidelines and follow industry best practices for safe operation.
28. What TWO ways can a load swing cause a telehandler to become unstable?
A load swing can cause a telehandler to become unstable in two ways:
1. Lateral instability: If the load swings sideways while being lifted, the telehandler's center of gravity may shift, increasing the risk of tipping over.
2. Forward/backward instability: If the load swings forward or backward, it can destabilize the telehandler, potentially causing it to tip over.
It is important to properly secure and stabilize loads during telescopic handler operations to prevent these potential hazards.
29. List FIVE factors that must be taken into account by the operator if a load is to be travelled across a site.
1. Operator must ensure that the load is properly secured to prevent any movement or loss of control during travel.
2. Operator must be aware of any overhead obstacles or structures that may pose a risk to the load during travel.
3. Operator must assess the terrain and ground conditions to ensure they are suitable for safe travel of the load.
4. Operator must consider the stability and capacity of the telescopic handler when transporting the load to avoid tipping or overloading.
5. Operator must adhere to site rules and regulations regarding load movement and transport to maintain a safe working environment.
30. Using the given suspended loads lifting capacity diagrams for a telescopic handler: a) For stabiliser duties, what is the maximum lifting capacity when the carriage is at the second stage of extension and the boom at angle of 10 degrees? b) For stabiliser duties, what is the maximum gradient allowed when lifting downhill on a slope? c) For free-on-wheels duties, what is the maximum gradient allowed when lifting uphill on a slope? d) For pick-and-carry duties, what is the maximum available hook height? e) What is the maximum travel speed when carrying a suspended load? f) What is the maximum gradient allowed when travelling downhill with a suspended load that is facing uphill? g) A load with dimensions of length - 4 metres, width - 4 metres and height - 2.8 metres, and weighing 4 tonnes needs to travelled for a distance of 20 metres before being placed. Using a set of 4 leg chains where the distance between the top of the load and the hook is 2.8 metres, can the lift be carried out for pick-and-carry duties?