Rigging Test By Shahid Iqbal

Before performing any pick and carry operation, the rigger must ensure that the travel path is level and in good condition. This is important to ensure the stability and safety of the load being carried. A level path reduces the risk of the load tipping or shifting during transportation. Additionally, a path in good condition minimizes the chances of any obstacles or hazards that could cause accidents or damage to the load. Therefore, it is crucial for the rigger to inspect and confirm that the travel path meets these requirements before proceeding with the pick and carry operation.

Tag lines are used at all times to control the loads. Tag lines are ropes or straps attached to a load to help guide and control its movement during lifting or lowering operations. They are essential for maintaining control and stability of the load, especially in situations where it may swing or spin. By using tag lines, workers can ensure that the load is properly positioned and prevent it from causing any damage or accidents. Therefore, tag lines should be used consistently to control loads, regardless of the weather conditions or authorization from supervisors or riggers.

Load charts provide information about the lifting capacity of a crane based on factors such as boom length, angle, and radius. If a crane is designated to perform pick and carry duties, the load charts will have specific information regarding the maximum weight that the crane can safely lift and carry. This information is crucial for the operator to ensure that the crane is not overloaded and operated within its safe working limits. Therefore, the details of pick and carry duties for a crane will be available in the load charts.

Before lifting operations are undertaken, a crane must be leveled. This is important because if the crane is not level, it can lead to instability and potential accidents during lifting. A level crane ensures that the load is properly balanced and distributed, reducing the risk of tipping or imbalance. It also allows for more precise and controlled lifting operations, enhancing safety for both the crane operator and those working in the vicinity. Therefore, ensuring that the crane is leveled is a crucial step before starting any lifting operations.

The distance from the center of rotation of a crane to the center of a load is called the radius. This term is commonly used in the context of cranes to describe the length of the arm or boom that extends from the center of rotation to the point where the load is attached. The radius determines the maximum reach or distance that the crane can extend to lift objects.

A rigger lll is a highly skilled and experienced professional who can handle heavy loads. They have the knowledge and expertise to rig loads up to a certain weight without supervision. In this case, the maximum standard load that a rigger lll can handle without supervision is 10 tons. This means that they are capable of safely rigging and moving loads weighing up to 10 tons without the need for direct supervision.

During tandem lifts, it is necessary to barricade the lift area. This is because tandem lifts involve the use of multiple cranes or lifting equipment to lift and transport heavy loads. Barricading the lift area ensures that unauthorized personnel or vehicles do not enter the area, reducing the risk of accidents or injuries. It also helps in maintaining a safe distance from the lift operation, preventing any potential damage to nearby structures or equipment.

The correct answer is Rigger l. A Rigger l is the highest level of rigger who can approve critical lift plans. This indicates that they have the necessary knowledge, skills, and experience to assess and authorize complex and high-risk lifting operations. Rigger specialists, Rigger lll, and Rigger ll may have expertise in rigging but may not have the authority to approve critical lift plans.

When performing high-level/long-reach crane lifts, it is crucial for the rigger to be visible to the operator. This is important for maintaining clear communication and coordination between the rigger and the crane operator. Being visible allows the operator to have a clear line of sight to the rigger's hand signals and instructions, ensuring the safety and effectiveness of the lift operation.

The information about a crane's quadrant of operation can be found on the load chart. The load chart provides specific details and guidelines about the crane's lifting capacities and operating ranges. It helps operators determine the safe working load limits based on factors such as boom length, angle, and radius. By referring to the load chart, operators can ensure that they are operating within the crane's safe operating parameters and avoid accidents or damage to the crane or load.

During tandem and multiple crane lifts, the hoist lines must be kept vertical to ensure the stability and safety of the lift. Keeping the hoist lines vertical helps to distribute the load evenly between the cranes and prevents any swinging or shifting of the load. This minimizes the risk of accidents or damage to the equipment and ensures that the lift is carried out smoothly and efficiently.

Critical lift plans must be reviewed and signed prior to the lift by a Saudi Aramco certified rigger. This is because a certified rigger has the necessary knowledge and expertise to assess the safety aspects of the lift. They are trained to understand the complexities and risks associated with lifting operations and can ensure that the lift plan is in compliance with safety regulations and standards. By having a certified rigger review and sign off on the lift plan, it helps to minimize the potential for accidents and ensures that the lift is conducted safely and efficiently.

Critical lifts require a higher level of expertise and knowledge due to the potential risks involved. Riggers who are certified for the specific load category have undergone specialized training and have demonstrated their competence in handling such lifts. They possess the necessary skills and understanding of the load requirements, equipment, and safety protocols to ensure a safe and successful lift. Therefore, only riggers certified for the load category should be entrusted with performing critical lifts.

When performing high-level/long reach crane lifts, a lift plan is required. A lift plan is a comprehensive document that outlines the details of the lift, including the equipment to be used, the load weight and dimensions, the crane configuration, the lift path, and any necessary safety precautions. It helps ensure that the lift is carried out safely and efficiently, minimizing the risk of accidents or damage to the load or equipment. Without a lift plan, there is a higher chance of errors or oversights that could lead to dangerous situations.

During a tandem lift, the crane operator and the rigger directing the lift must be in radio communication with each other. This is because the crane operator needs clear instructions from the rigger to ensure the safe and precise movement of the load. The rigger, on the other hand, needs to communicate any changes or adjustments required during the lift to the crane operator. This communication is essential to maintain coordination and avoid any potential accidents or mishaps during the tandem lift.

Workmen must wear safety belts when working in a personnel platform to ensure their safety and prevent falls. Safety belts are designed to secure the worker to the platform, providing a reliable restraint system and minimizing the risk of accidents. By wearing safety belts, workmen can maintain balance and stability while working at heights, reducing the likelihood of injuries or fatalities.

When positioning cranes equipped with outriggers on soft ground, it is necessary to place pads under the outrigger floats. This precaution helps to distribute the weight of the crane and prevent the outriggers from sinking into the soft ground. By providing a stable and level surface for the outriggers, the pads ensure that the crane remains balanced and secure during lifting operations.

Tag lines are used to control the movement and positioning of suspended loads on a crane. They help in maintaining stability and preventing the load from swinging or spinning uncontrollably. By using tag lines, operators can safely guide and direct the load to the desired location, ensuring that it does not pose a risk to the surrounding area or personnel. Therefore, the purpose of tag lines is to control the suspended load site.

Blind lift is a situation where the crane operator and the signalman are unable to have direct visual contact with each other. This can occur due to various reasons such as obstructions or distance between them. In such cases, the signalman must rely on communication methods like hand signals or radios to guide the crane operator in lifting and moving the load safely. Direct visual contact is crucial for effective communication and coordination between the crane operator and the signalman to prevent accidents and ensure smooth operations.

Before giving signature approval to a lift plan, the rigger must physically inspect the lift site. This is important to ensure that the site is suitable for the planned lift and that there are no potential hazards or obstacles that could affect the lift operation. By physically inspecting the lift site, the rigger can assess the conditions, evaluate the positioning of equipment, and make any necessary adjustments or recommendations to ensure the safety and success of the lift. This step helps to minimize the risk of accidents or damage during the lifting operation.

Lifting beams are equipment that ensure the load hangs freely and the weight is evenly distributed on tailing lifts. They are specifically designed to provide stability and balance while lifting heavy loads. Lifting beams typically have multiple attachment points for slings or shackles, allowing for secure and even distribution of the load's weight. This helps prevent any imbalances or strain on the lifting equipment, ensuring safe and efficient lifting operations.

When tandem lifting, it is recommended to use cranes that have equal capacity and are of the same models. This ensures that both cranes can handle the load effectively and work together seamlessly. Using cranes with different capacities or models can lead to imbalances and difficulties in coordinating the lifting process. Therefore, using cranes with equal capacity and the same models is the best choice for tandem lifting operations.

The information to determine if a crane can be used for pick and carry duties is located in the load chart. The load chart provides specific details about the crane's lifting capacity, including its maximum load capacity at different boom lengths and angles. This information is crucial for determining whether the crane is suitable for pick and carry operations, as it ensures that the crane can safely lift and transport loads without exceeding its capacity.

Personnel platforms must be inspected by the inspection department every 6 months. This regular inspection ensures that the platforms are in proper working condition and safe for use. By conducting inspections every 6 months, any potential issues or damages can be identified and addressed in a timely manner, reducing the risk of accidents or injuries. This periodic inspection schedule also helps to comply with safety regulations and maintain the overall integrity and functionality of the personnel platforms.

A critical lift in Saudi Aramco is when a crane boom or boom attachment is working within 10 meters of any populated/traffic areas. This distance is considered critical to ensure the safety of people and vehicles in the vicinity. It allows for enough space to prevent any potential accidents or damage that could occur if the crane boom or attachment were to come into contact with the populated or traffic areas.

The capacity of a crane is affected by the boom length. The longer the boom length, the higher the capacity of the crane. This is because a longer boom allows the crane to reach greater heights and lift heavier loads. The boom length determines the maximum radius and height at which the crane can operate effectively. Therefore, a crane with a longer boom length will have a greater capacity compared to a crane with a shorter boom length.

Rigger l is the correct answer because they have the necessary skills and expertise to perform tandem lifts of over 40 tons. Tandem lifts involve coordinating multiple cranes or hoists to lift and move heavy loads simultaneously. Rigger l has the knowledge of rigging techniques, equipment, and safety protocols required to safely and efficiently execute these complex lifts. Rigger lI and Rigger lII may have additional qualifications and experience, but they are not specifically mentioned as being required for tandem lifts of this magnitude. The option of "Crane and rigging specialist" is not as specific as Rigger l, and it is unclear if this specialist has the necessary skills for tandem lifts.

Before a lifting operation can be started, the correct position of the outriggers is extended. Outriggers are devices used to provide stability and support to cranes or other lifting equipment. By extending the outriggers, the base of the equipment is widened, increasing its stability and preventing it from tipping over during the lifting process. Therefore, it is necessary to have the outriggers fully extended and securely in place before commencing any lifting operation.

High level/ long reach cranes are not able to make lifts in wind speeds of 20 mph. This is because strong winds can cause instability and pose a safety risk to the crane and its operators. Operating a crane in high wind speeds can lead to accidents, such as the crane tipping over or the load being swung out of control. Therefore, it is important to consider wind speeds and take necessary precautions to ensure safe crane operations.

The minimum sling angle for any personnel platform is 45 degrees. This is because a greater sling angle would result in increased stress on the sling and decreased stability for the platform. A 45-degree angle provides a balance between stability and load distribution, ensuring the safety of personnel using the platform.

According to the rule for critical lifts, a load that is equal to or greater than 75% of the crane's rated capacity requires a critical lift plan. In this case, the crane's rated capacity is 20,000 lbs. So, 75% of 20,000 lbs is 15,000 lbs. Therefore, any load below 15,000 lbs can be lifted without a critical lift plan. Since the maximum load weight given is 17,000 lbs, it is within the limit and does not require a critical lift plan.

When using a radio for a blind lift, it is crucial to have back-up communications in place. This is necessary to ensure that there is an alternative method of communication in case the radio fails or encounters any issues. Back-up communications can include methods such as hand signals, visual cues, or alternative communication devices. Having this precaution in place ensures that there is a reliable means of communication between the operator and the signalman, enhancing safety and efficiency during the blind lift operation.

The maximum load weight that can be lifted without a lift plan is 47,600 lbs. This is because the crane has a rated capacity of 56,000 lbs, and without a lift plan, it is generally recommended to not exceed 85% of the rated capacity. Therefore, 85% of 56,000 lbs is 47,600 lbs.

When performing pick and carry operations with a rough-terrain crane, the boom must be positioned over the front of the crane. This is because the front of the crane is designed to bear the weight of the load and provide stability during the lifting and carrying process. Placing the boom over the front ensures that the load is properly balanced and reduces the risk of tipping or instability.

During pick and carry operations, it is important to secure the load to the carrier. This is necessary to ensure the stability and safety of the operation. If the load is not properly secured, it can swing or shift during movement, potentially causing damage to the equipment or injury to personnel. By securing the load to the carrier, it remains stable and reduces the risk of accidents or damage.

Cranes working near trenches and evacuations (class "A" soils) shall be a minimum distance from the trench based on the depth of the trench. This means that the deeper the trench, the farther away the crane needs to be. The depth of the trench is an important factor to consider in order to ensure the safety of the crane and prevent any accidents or damage to the trench.

Air tuggers are specifically designed to hoist or lift material. They are typically used in industrial settings to move heavy loads vertically or horizontally. These machines are equipped with powerful motors and lifting mechanisms that allow them to safely and efficiently lift and transport heavy objects. Air tuggers are commonly used in construction, manufacturing, and other industries where there is a need to move heavy materials or equipment. They are not designed for dragging loads, lifting personnel, or performing tandem lifts.

Daily inspections do not need to be recorded in the sling log because they are performed on a regular basis and are typically part of the routine maintenance and safety checks. These inspections are often quick and simple, involving a visual inspection of the equipment to ensure it is in good working condition. Since daily inspections are regularly conducted, recording them in the sling log may be unnecessary and time-consuming. On the other hand, periodic, annual, and frequent inspections are more comprehensive and may involve detailed assessments and measurements, which are important to document in the sling log for record-keeping and future reference.

When performing pick and carry operations, it is important to tie the load back to the carrier. This ensures that the load remains secure and stable during transportation. Tying the load back to the carrier prevents it from swinging or moving unnecessarily, reducing the risk of accidents or damage to the load. By securing the load to the carrier, it also allows the driver to have better control and maneuverability while operating the equipment.

The maximum load weight that can be lifted without a lift plan is 13,600 lbs. This is because the crane has a rated capacity of 16,000 lbs, and without a lift plan, it is generally recommended to operate at 85% of the rated capacity to ensure safety. Therefore, 85% of 16,000 lbs is 13,600 lbs.

When working less than 1 ½ fully extended boom lengths from an energized power-line, it is important to position a signalman to ensure safe distances. This precaution is necessary to prevent any accidental contact with the power-line, which could result in electrocution or other serious injuries. The signalman's role is to communicate with the operator and guide them to maintain a safe distance from the power-line throughout the work. This helps to minimize the risk of accidents and ensure the safety of everyone involved in the operation.

Tandem/multiple or tailing lifts cannot be performed in wind speeds of 20 mph. This is because strong winds can create instability and make it difficult to control and maneuver the lifts safely. Higher wind speeds increase the risk of accidents, such as the loads swinging or the lifts toppling over. Therefore, it is important to adhere to safety guidelines and avoid performing these lifts in windy conditions to ensure the safety of both the workers and the loads being lifted.

Before performing any pick and carry operations, the rigger must ensure that the crane operator has checked the tire pressures. This is important because proper tire pressure is crucial for the safe operation of the crane. Incorrect tire pressures can affect the stability and maneuverability of the crane, potentially leading to accidents or damage to the equipment. Therefore, it is necessary for the rigger to ensure that the crane operator has checked and adjusted the tire pressures before starting any pick and carry operations.

If the boom is between two values on a range chart, it means that the current boom length is not sufficient to reach the desired distance. To rectify this, a longer boom length should be used. This will ensure that the crane can reach the required range and perform the task effectively.

When working less than 1 1/2 meters fully extended boom lengths from energized power-lines, a designated signalman must be positioned to ensure safe distances are maintained.

The maximum load weight that can be lifted without a lift plan is 31,450 lbs. This is because the crane has a rated capacity of 37,000 lbs, and without a lift plan, it is generally recommended to operate at 85% of the rated capacity to ensure safety. Therefore, 85% of 37,000 lbs is 31,450 lbs, which is the maximum load weight that can be lifted without a lift plan.

Personnel with Saudi Aramco crane operator and rigger certification can only perform one function. This means that they are qualified to either operate the crane or work as a rigger during a lift, but not both at the same time. They may have the necessary skills and knowledge to perform both tasks individually, but they are restricted to performing only one function at a time.

A limit switch must be fitted to any crane being used for man basket operation. A limit switch is a safety device that is used to prevent the crane from exceeding its maximum safe working load or reaching unsafe positions. It is designed to automatically stop the crane's motion when it reaches a predetermined limit, ensuring the safety of the personnel working in the man basket. Without a limit switch, there is a risk of overloading the crane or causing it to operate in an unsafe manner, which could lead to accidents or injuries.

When tandem lifting, which refers to using two cranes simultaneously to lift a load, a crane's capacity is derated by 25%. This means that the maximum weight the crane can lift is reduced by 25% to ensure safe and stable lifting conditions. Derating the capacity is necessary because the forces and stresses on the crane increase when lifting with two cranes, and the derating factor accounts for this additional load.

The numbers below the bold line on a load chart indicate the capacity by the machine's stability. This means that these numbers represent the maximum load that the machine can safely handle without compromising its stability. It is important to refer to these numbers to ensure that the machine is not overloaded, which could lead to accidents or damage to the equipment.