Applicability of asme standards.
Below the hook lifting devices load testing.
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.
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.
The construction industry recognizes the necessity for inspections of below the hook lifting devices.
1926 251 proof testing of lifting beams used to lift wind turbine components.
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.
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.
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.
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.
2 1 1 structural and mechanical lifting devices.
45 kg cold current amps when applicable rated voltage when applicable rated load.
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.
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.
The following requirements apply to below the hook lifting devices such as spreader bars lifting yokes lifting baskets and lift fixtures.
Below the hook lifting devices shall be marked with at least.
Here are some quick facts you need to know about below the hook lifting devices.
In the below the hook lifting world there are two main standards that you should familiarize yourself with if you re purchasing or designing an engineered below the hook lifting device.
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.
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.
Commonly referred to as a lifter a below the hook lifting device attaches a load to a hoist.
06 08 2012 1926 251 requirements for load testing and marking of special custom design rigging accessories.
