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  2. Lifting Operations and Lifting Equipment Regulations 1998

    en.wikipedia.org/wiki/Lifting_Operations_and...

    It is good practice for all personnel using lifting equipment to conduct a pre-use inspection on all items. Regulation 9 of LOLER also outlines specific requirements for the formal inspection of lifting equipment at mandatory intervals. These inspections are to be performed by a competent person and the findings of the inspections recorded.

  3. Precast concrete lifting anchor system - Wikipedia

    en.wikipedia.org/wiki/Precast_concrete_lifting...

    The design engineer should specifically account for the applied loads expected during the lifting, transport and placement (or re-usability requirements) of the element. Flexure , casting bed suction , load direction (axial 'tensile', angular 'sling', transverse 'shear') are also load considerations to be accounted for in the lifting design of ...

  4. Lifting beam - Wikipedia

    en.wikipedia.org/wiki/Lifting_beam

    The lifting beam (also known as traverse, spreader beam) is a steel beam that is attached to the hook of the crane in order to spread the slings from one end of an elongated load (like a wall panel) to another. The bottom of the beam has multiple connection points for hanging the load. [1] H-shaped traverse. The lifting beams are used in ...

  5. Rigging (material handling) - Wikipedia

    en.wikipedia.org/wiki/Rigging_(material_handling)

    A team of riggers design and install the lifting or rolling equipment needed to raise, roll, slide or lift objects such as heavy machinery, structural components, building materials, or large-scale fixtures with a crane, hoist or block and tackle. Rigging comes from rig, to set up or prepare.

  6. Airy points - Wikipedia

    en.wikipedia.org/wiki/Airy_points

    A beam supported at its Airy points has parallel ends. Vertical and angular deflection of a beam supported at its Airy points. Supporting a uniform beam at the Airy points produces zero angular deflection of the ends. [2] [3] The Airy points are symmetrically arranged around the centre of the length standard and are separated by a distance equal to

  7. Concrete slump test - Wikipedia

    en.wikipedia.org/wiki/Concrete_slump_test

    The test is carried out using a metal mould in the shape of a conical frustum known as a slump cone or Abrams cone, that is open at both ends and has attached handles.The tool typically has an internal diameter of 100 millimetres (3.9 in) at the top and of 200 millimetres (7.9 in) at the bottom with a height of 305 millimetres (12.0 in).The cone is placed on a hard non-absorbent surface.

  8. Nondestructive testing - Wikipedia

    en.wikipedia.org/wiki/Nondestructive_testing

    Nondestructive testing ... This ISO 9712 requirements for principles for the qualification and certification of ... Angle beam testing; Electromagnetic ...

  9. Hoist (device) - Wikipedia

    en.wikipedia.org/wiki/Hoist_(device)

    Hoist atop an elevator. A hoist is a device used for lifting or lowering a load by means of a drum or lift-wheel around which rope or chain wraps. It may be manually operated, electrically or pneumatically driven and may use chain, fiber or wire rope as its lifting medium.

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