OHS Code

Published Date: July 01, 2009
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Part 21 Rigging

Section 307 Metal mesh slings

An employer must ensure that a metal mesh sling is removed from service if

(a) there is a broken weld or a broken brazed joint along the sling edge,

(b) a wire in any part of the mesh is broken,

(c) corrosion has reduced a wire diameter by 15 percent,

(d) abrasion has reduced a wire diameter by 25 percent,

(e) there is a loss of flexibility because the mesh is distorted,

(f) the depth of the slot is increased by more than 10 percent because the choker fitting is distorted,

(g) the width of the eye opening is decreased by more than 10 percent because either end fitting is distorted,

(h) the original cross-sectional area of metal is reduced by 15 percent or more at any point around the hook opening or end fitting,

(i) either end fitting is distorted, or

(j) an end fitting is cracked.