Chains, rings, shackles and other loose gear (whether accessory to a machine or not) shall be tested with a proof load equal to that shown against the article in the following table:
| Article Of Gear
|
Proof Load
|
| Chain, ring, hook, shackle or swivel.
|
100 per cent in excess of the safe working load
|
| Pulley blocks-
|
Single sheave block
|
300 per cent in excess of the safe working load
|
|
|
Multiple sheave block with safe load up to and including 20.32 t
|
100 per cent in excess of the safe working load
|
|
|
Multiple sheave block with safe load over 20.32 t up to and including 40.64 L
|
20.32 t n excess of the safe working load.
|
|
|
Multiple sheave block with safe load over 40.64 t.
|
50 per cent in excess of the safe working load
|
| Pitched chains used with hand-operated pulley blocks and rings, hooks shackles or swivels permanently attached thereto
|
50 per cent in excess of the safe working load
|
| Hand-operated pulley blocks used with pitched chains and rings, hooks, shackles or swivels permanently attached thereto
|
50 per cent in excess of the safe working load
|
|
|
After being tested, all the gear shall be examined, the sheaves and the pins of the pulley blocks being removed for the purpose, to see whether any part has been injured or permanently deformed by the test.
|
| "Competent person" for the purpose of making these tests and examinations means,
|
|
|
|
(a) a Steamship Inspector, an inspector of Ships' tackle or a surveyor employed by one of the following classification societies, namely, Lloyd's Register of Shipping, the Bureau Veritas, the American Bureau of Shipping or the Det Norske Veritas or the supervisor of any testing laboratory of the Government of Canada or of any Province, or any other person, company, firm or association approved by the Board of Steamship Inspection: or
|
|
|
(b) a responsible person having the necessary and appropriate technical qualifications who is employed by a company or firm engaged in the manufacture or repair of the gear concerned.
|
