Below The Hook Lifting Devices Load Testing

For hooks used in frequent load cycles or pulsating loads the hook shank threads and split nut if provided should be periodically inspected by magnetic particle or dye penetrant.

Below the hook lifting devices load testing.

They can be in the form of structural and mechanical lifting devices vacuum lifting devices operated close proximity lifting magnets remotely operated lifting magnets or scrap and material. This chapter outlines the requirements for designing fabricating operating testing inspecting and documenting of below the hook lifting devices fabricated in house or purchased for a specific specialty use. Going over 125 percent would violate 29 cfr 1910 179 k 2 while failing to go right up to that point wouldn t meet standard 1926 251 a 4. Below the hook lifting devices or devices used for attaching a load to a hoist can contain components such as slings hooks and rigging hardware.

Commonly referred to as a lifter a below the hook lifting device attaches a load to a hoist. Here are some quick facts you need to know about below the hook lifting devices. 1926 251 proof testing of lifting beams used to lift wind turbine components. Chapter the sanford underground research facility surf manages the use of below the hook bth equipment to ensure the safety of the personnel and prevention of property damage.

Applicability of asme standards. 2 1 1 1 marking the rated capacity of each lifting device must be marked on the main structure where it is visible and legible. Asme b30 20 below the hook lifting devices addresses structural and mechanical lifting devices vacuum lifting devices operated close proximity lifting. 2 1 1 structural and mechanical lifting devices.

The construction industry recognizes the necessity for inspections of below the hook lifting devices. Heavy process duty applications overloads old equipment and the use of below the hook lifting devices are all factors that may contribute to cumulative fatigue. The following requirements apply to below the hook lifting devices such as spreader bars lifting yokes lifting baskets and lift fixtures. 06 08 2012 1926 251 requirements for load testing and marking of special custom design rigging accessories.

Below the hook lifting devices shall be marked with at least. These devices can come in several forms including structural and mechanical lifting devices vacuum lifting devices close proximity operated lifting magnets remotely operated lifting magnets scrap and material handling grapples and clamps. If you use a gantry crane with a custom lifting accessory then you ll want to test it with a load of precisely 125 percent of the manufacturer s limit. An employer who follows asme b 30 20 specifically sections 20 1 3 1 through 20 1 3 7 and 20 1 3 9 with respect to inspections for below the hook lifting devices other than for slings would be considered to be in compliance with osha.