22.6.1 Types (1) & (2)

  1. Thickness or range of plates to be handled.

  2. Longest length and greatest width of plate to be handled.

  3. Maximum and minimum weight to be lifted.

  4. Effective section of crane hook on which the clamp or clamp sling is to be used.

  5. Whether the clamp is to be used to handle plates:

    1. Horizontally only.

    2. Vertically only.

    3. Horizontal to vertical through 90° only.

    4. Horizontal to horizontal through 180°.

    5. At an angle to the plane of the clamp side plates.

  6. Material of plate and hardness if other than mild steel.

  7. If the plate is polished.

  8. If slight marking of the plate is any detriment.

  9. Details of any adverse conditions e.g. handling hot plates, acidic environment.

  10. The amount of headroom available.

  11. Thickness of any spacers or packing in between plates when stacked which may limit access for the clamp.

  12. Details of any additional tests required.

  13. Any special operating instructions.