Each module must be passed before the next module can completed. Level 1 mobile crane theory exam practice questions v1. According to osha, rigging workers have been injured or killed when loads have slipped or the rigging has failed. Guide to safe use of overhead travelling cranes, gantry. If the crane malfunctions while in operation, it could be dangerous to you and the people you work with. The following basic guidelines must be followed for all types of rigging. In our example, using a mobile crane would be the best solution. Traveling crane industry governing bodies as well as local, state and federal rules and regulations. Keep the crane operators line of sight clear keep hands, feet, and body clear of pinch points. No matter how safe the crane and all the equipment associated with lifting, rigging continues to be a major part of crane operations and safety.
Rigging is the equipment used in the preparation to move loads by cranes or hoists. National commission for the certification of crane operators 29,500 views. Keep wire rope slings lubricated and all rigging stored out of the weather. Attend training on the requirements of this mobile crane safety policy which includes the inspection requirements of chains, slings, and hoists. Our comprehensive safety and health program is designed to eliminate incidents by promoting a proactive safety culture in which hazards are identified before accidents occur. The content of the pnnl hoisting and rigging manual was derived from the hanford site hoisting and rigging manual doerl9236. The crane hoist line to part or the rigging gear to fail. How to calculate the safe working load for rigging. Exxon mobil corporation and its affiliates adopt manufacturing best practices as part of an. Exxonmobil use only crane and lifting tier 1 best practice page 2 of 26 single point of contact. Basic rigging incorporates the skills needed for dogging. In order to ensure the safety of workers and the equipment involved, any operation. The safety policy lf its not safe, dont do it is important not only for your safety, but the safety of your coworkers. It requires persons who perform rigging or operate hoisting equipment to be trained to ensure that the.
This is the maximum load that can safely be applied to a particular type of rope. The intent is to ensure all users and owners of this equipment are trained in the safe operation and the hazards of using cranes, hoists and slings. All rigging gear and equipment provided by the employer must be inspected before each shift and at intervals during its use to minimize the possibility of a rigging failure 1915. Rigging is the preparation of materials, supplies, equipment or other items, for lifting by the crane. The purpose of this document is to discuss the requirements for planning and performing an incidental lift using an overhead crane and commonly available rigging components, such as slings, shackles, eye bolts, and turnbuckles.
This guide outlines the competency based skills needed to carry out basic, intermediate and advanced rigging safety. And rigging related accidents can often be deadly, due to the large and heavy loads that are lifted. The fulford cranesafe certificate is recognised by worksafebc and yukon workers compensation health and safety board as proof of practical competence. Purpose by following this policy and operating lifting devices in a safe and responsible manner, injuries and property damage can be prevented. Additional knowledge or refresher information on some of the key safe rigging practices provided by this guide will help these workers. This information will be presented in five modules. Which of the following materials are slings made of. The officer responded to the question by saying that it was an emergency. It requires persons who perform rigging or operate hoisting equipment to. However, as noted in answer 2, the lessee is responsible for the condition of the crane and occupational safety and health administration 1 0. The difference is caused by the application of a safety factor. Explain safe working practices to consider when performing hoisting and rigging. People working around rigging should also be trained on safe rigging practices. Module 4 lifting and rigging sm 4 1 introduction a fire officer on a pumper was once asked why he ordered the pumper engineer to drive the 30,000 pound fire apparatus on a road that had a bridge with a 10,000 load limit.
Rigging is the use of fibre ropes, wire ropes, chains, slings, or other attachments to lift and move objects. Prevent damage to equipment, materials and property. If no part of the crane, line, rigging, load or accessories can reach to within 20 feet of an energized power line, then clearly mark the 20 foot barrier and no signal person is required. And riggingrelated accidents can often be deadly, due. Using a crane scale and test lift method we discover the loads north end weighs 21,000 lbs and the south end weighs 7,000 lbs. Rigging safety training powerpoints atlantic training blog.
Crane operator training crane certification inspections. Over 90% of crane related accidents are the result of human error. The person designated to signal the crane operator, to keep an eye on obstructions and to assist the operator in making the hoist. Crane incidents can cause devastating results in terms of production, property damage, and loss of human life. The crane could easily lift the generator after it was correctly rigged and connected to the crane. This procedure outlines safe work practices for qualified employees who work on or near cranes or carrydeck cranes. Rigging can only be performed by qualified workers or under the direct supervision of qualified workers. Topics include safe operating procedures, preoperating inspection, proper rigging and lifting, moving and placing. To obtain the swc of rope, divide the bs by a factor of safety fs. Most crane and rigging accidents can be prevented by field personnel following basic safe. Crane and lifting tier 1 best practice page 3 of 26 single point of contact. Here, nick depaoli, a student at deep creek construction school, demonstrates how to calculate the safe working load for rigging considering sling stress. It is essential to determine the proper style, size, length, diameter and thickness of sling needed for the application prior to use. Rigging also involves balancing and securing the load to be lifted.
Rigging equipment must not be loaded in excess of its safe working load. Refer to a guide for dogging, workcover authority of nsw. In addition, cranerelated incidents tend to be high profile events that receive a lot of publicity as indicated by the following recent news headlines. Rigging when workers prepare equipment to be lifted by cranes, hoists or other materialhandling machinery is a common work process on shipyard and construction sites, among others. Do not lift a load that exceeds the cranes capacity. Crane safe has estimated the time that should be allocated for an assessor to complete a crane safe assessment for each type of crane to assist crane safe program users in budgeting time and resources. How a load is attached to a crane can make the difference between a successful lift and an unfortunate accident. Rigging is the most critical part of crane operations. Basic rigging those qualified in basic rigging must know how to carry out work associated with. What is the net capacity of the crane based on the configuration below.
The procedure will cover safe rigging and lifting practices, working around high voltage electricity, inspections, lift plans, personnel platforms, and worker requirements. Establish budget support for this program for hisher unit. Crane and lifting tier 1 best practice page 1 of 26. Rigging involves making sure the type and capacity of the crane and the rigging equipment used is appropriate for the load. Ppt safe rigging practices powerpoint presentation. Therefore, they do need some knowledge in safe rigging practices for the types of rigging they perform on a regular basis. Cranesafe does not determine the commercial arrangements between independent endorsed assessors and cranesafe program users. Special custom design grabs, hooks, clamps, or other lifting accessories for such units as modular panels, prefabricated structures and similar. Jun 29, 2012 national commission for the certification of crane operators 29,500 views.
Always check the wind speed to make sure it is safe for lifting the loads. Treat the rigging as though your life depended on it. Lifting and rigging require following the proper safety procedures to. Over 90% of cranerelated accidents are the result of human error. Supervisors of employees who may be required to comply with the crane safety program shall. Knowing basics of rigging procedures and ensuring that they are applied this is possible only when the load is visible to the operator. When rigging a load, you should make sure that you inspect the hook as well. Lifting and rigging require following the proper safety procedures to maintain a safe working environment.
Rigging components are expensive to buy and to replace. Oct 27, 2014 rigging when workers prepare equipment to be lifted by cranes, hoists or other materialhandling machinery is a common work process on shipyard and construction sites, among others. Correct lifting can move large objects efficiently and reduce manual handling operations. Americas mechanical leadership team previous revision. Basic rigging workbook training brookhaven national laboratory. Permission was given to the hanford site hoisting and rigging committee to use and reproduce portions of standards and information from the following sources. The material outlined in this manual outlines the requirements of the doe hoisting and rigging program.
Jul 29, 20 this course provides an overview of many aspects of safe load rigging. Qualified rigging lift supervisor and qualified rigger 1 be at least 18 years of age 2 be able to communicate with crane operator, lift supervisor, flagman and affected employees on site. It is the responsibility of the user of this manual to implement all of the requirements from listed sources. If the crane can come within 20 feet of the power line in any direction, the lines must be deenergized and grounded. Operators crane safety manual iowa mold tooling co. The lifting safety subject area, found in the brookhaven national laboratory bnl. Because of the hazards associated with working with cranes, osha has had. Never use a hook with a broken or bent safety latch.
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