Test loading

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Appendix D
Appendix D
Test loading
D.1. Lifting appliances
The test load applied to a lifting appliance should be as follows:
Safe working load (SWL) of the appliance (tonnes) Test load (tonnes)
Up to 20 25 per cent greater than SWL
21–50 5 tonnes greater than SWL
51 and above 10 per cent greater than SWL
D.2. Cargo or pulley blocks
The test load applied to a cargo or pulley block should be as
follows:
SWL (tonnes) Test load (tonnes)
Single-sheave block:
All safe working loads 4 x SWL
Multi-sheave block:
Up to 25 2 x SWL
26–160 (0.933 x SWL) + 27
161 and above 1.1 x SWL
D.3. Loose gear
The test load applied to an item of loose gear should be as fol-
lows:
SWL (of the loose gear) (tonnes) Test load (tonnes)
Chain, hook, shackle, ring, link, clamp
and similar gear:
Up to 25 2 x SWL
26 and above (1.22 x SWL) + 20

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