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(a) Sling Identification. Each sling shall be marked or coded to show the rated capacities for each type of hitch and type of synthetic web material.
(b) Webbing. Synthetic webbing shall be of uniform thickness and width and selvage edges shall not be split from the webbing's width.
(c) Fittings. Fittings shall be:
(1) Of a minimum breaking strength equal to that of the sling; and
(2) Free of all sharp edges that could in any way damage the webbing.
(d) Attachment of End Fittings to Webbing and Formation of Eyes.
Stitching shall be the only method used to attach end fittings to webbing and to form eyes. The thread shall be in an even pattern and contain a sufficient number of stitches to develop the full breaking strength of the sling.
(e) Sling Use. Synthetic web slings illustrated in Figure S-6 shall not be used with loads in excess of the rated capacities specified in Tables S-22 through S-24. Slings not included in these Orders shall be used only in accordance with the manufacturer's recommendations.
(f) Environmental Conditions. When synthetic web slings are used, the following precautions shall be taken:
(1) Nylon web slings shall not be used where fumes, vapors, sprays, mists or liquids of acids or phenolics are present.
(2) Polyester and polypropylene web slings shall not be used where fumes, vapors, sprays, mists or liquids of caustics are present.
(3) Web slings with aluminum fittings shall not be used where fumes, vapors, sprays, mists or liquids of caustics are present.
(g) Safe Operating Temperatures. Synthetic web slings of polyester and nylon shall not be used at temperatures in excess of 180o F. Polypropylene web slings shall not be used at temperatures in excess of 150o F.
(1) Synthetic web slings which are repaired shall not be used unless repaired by a sling manufacturer or an equivalent entity.
(2) The employer shall retain a certificate of proof test, for the service life of the sling, and make it available for examination by the Division upon request.
(3) Slings, including webbing and fittings, which have been repaired in a temporary manner shall not be used.
(i) Removal from Service. Synthetic web slings shall be immediately removed from service if any of the following conditions are present:
(1) Acid or caustic burns;
(2) Melting or charring of any part of the sling surface;
(3) Broken or worn stitches;
(4) Distortion of fittings;
(5) Snags, punctures, tears or cuts; or
(6) Those slings with other apparent defects shall be referred to the manufacturer or equivalent entity for determination of rated capacity and safety for continued use.
(j) Synthetic Web Sling Storage. Synthetic web slings shall be stored in an area or facility where they are not subject to heat above 150o F or exposed to direct sunlight.
(k) Slings not included in these Orders shall be used only in accordance with the manufacturer's recommendation.
NOTE: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
1. Amendment of subsections (e), (h)(2), (i)(6), (j) and new subsection (k) filed 5-1-87; operative 5-31-87 (Register 87, No. 19).
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