Code of Practice for Safe Use and Operation of Suspended Working ...
Code of Practice for Safe Use and Operation of Suspended Working ...
Code of Practice for Safe Use and Operation of Suspended Working ...
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8.3.3 Test Requirements8.3.3.1 Prior to any overload test, a thorough examination by a competentexaminer should be conducted as mentioned in clause 8.2 to ensure thatthe suspended working plat<strong>for</strong>m is suitable <strong>for</strong> the overload test.8.3.3.2 Every suspended working plat<strong>for</strong>m should be subjected to a load testcarried out at the site <strong>of</strong> installation.8.3.3.3 The pro<strong>of</strong> load <strong>for</strong> testing <strong>of</strong> a suspended working plat<strong>for</strong>m should be150 per cent <strong>of</strong> the safe working load.8.3.3.4 The pro<strong>of</strong> load <strong>for</strong> testing <strong>of</strong> a rope, chain or lifting gear should be at leasttwice the safe working load.8.3.3.5 Where a wire rope is tested, a sample <strong>of</strong> the rope should be tested todestruction, <strong>and</strong> the safe working load should not exceed 1/8 <strong>of</strong> thebreaking load <strong>of</strong> the sample tested.8.3.3.6 Overload device function test should be carried out in accordance withthe manufacturer’s instruction. The amount <strong>of</strong> overload used should bein line with the manufacturer’s recommendation.8.3.3.7 A drop test should be carried out at the safe working load on everysuspended working plat<strong>for</strong>m to test that the automatic safety devices arecapable <strong>of</strong> stopping <strong>and</strong> holding the load at the slope <strong>of</strong> the workingplat<strong>for</strong>m specified by the manufacturer.8.3.3.8 Pro<strong>of</strong> load test, overload device function test <strong>and</strong> operational test shouldbe conducted at or near ground or l<strong>and</strong>ing level. Be<strong>for</strong>e conducting thetests, a thorough examination should be carried out by the competentexaminer to ensure that no defective parts, malfunction <strong>of</strong> devices orloose components are present in the suspended working plat<strong>for</strong>m.8.3.3.9 After the pro<strong>of</strong> load test, drop test, overload device function test <strong>and</strong>operational test, the suspended working plat<strong>for</strong>m should be thoroughlyexamined by the competent examiner to ensure the safe working order<strong>of</strong> the suspended working plat<strong>for</strong>m. The thorough examination shouldinclude those items as stated in clause 8.2.8.3.3.10 When conducting the tests, the area under which the test is to be carriedout should be cleared <strong>of</strong> all persons. No person is allowed to remain onthe working plat<strong>for</strong>m during the tests.52
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