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// CODE SNIPPET

1926.251(d) Natural Rope, and Synthetic Fiber

OSHA 1926 Construction > H Materials Handling, Storage, Use, and Disposal > 1926.251 Rigging Equipment for Material Handling > 1926.251(d) Natural Rope, and Synthetic Fiber
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1926.251(d)(1)

Employers must not use natural- and synthetic-fiber rope slings with loads in excess of the rated capacities (i.e., working load limits) indicated on the sling by permanently affixed and legible identification markings prescribed by the manufacturer.

1926.251(d)(2)

All splices in rope slings provided by the employer shall be made in accordance with fiber rope manufacturers recommendations.

1926.251(d)(2)(i)

In manila rope, eye splices shall contain at least three full tucks, and short splices shall contain at least six full tucks (three on each side of the centerline of the splice).

1926.251(d)(2)(iii)

Strand end tails shall not be trimmed short (flush with the surface of the rope) immediately adjacent to the full tucks. This precaution applies to both eye and short splices and all types of fiber rope. For fiber ropes under 1-inch diameter, the tails shall project at least six rope diameters beyond the last full tuck. For fiber ropes 1-inch diameter and larger, the tails shall project at least 6 inches beyond the last full tuck. In applications where the projecting tails may be objectionable, the tails shall be tapered and spliced into the body of the rope using at least two additional tucks (which will require a tail length of approximately six rope diameters beyond the last full tuck).

1926.251(d)(2)(iv)

For all eye splices, the eye shall be sufficiently large to provide an included angle of not greater than 60° at the splice when the eye is placed over the load or support.

1926.251(d)(2)(v)

Knots shall not be used in lieu of splices.

1926.251(d)(2)(ii)

In layed synthetic fiber rope, eye splices shall contain at least four full tucks, and short splices shall contain at least eight full tucks (four on each side of the centerline of the splice).

1926.251(d)(3) Safe Operating Temperatures

Natural and synthetic fiber rope slings, except for wet frozen slings, may be used in a temperature range from minus 20 °F (-28.88 °C) to plus 180 °F (82.2 °C) without decreasing the working load limit. For operations outside this temperature range and for wet frozen slings, the sling manufacturer's recommendations shall be followed.

1926.251(d)(4) Splicing

Spliced fiber rope slings shall not be used unless they have been spliced in accordance with the following minimum requirements and in accordance with any additional recommendations of the manufacturer:

1926.251(d)(4)(i)

In manila rope, eye splices shall consist of at least three full tucks, and short splices shall consist of at least six full tucks, three on each side of the splice center line.

1926.251(d)(4)(iii)

Strand end tails shall not be trimmed flush with the surface of the rope immediately adjacent to the full tucks. This applies to all types of fiber rope and both eye and short splices. For fiber rope under 1 inch (2.54 cm) in diameter, the tail shall project at least six rope diameters beyond the last full tuck. For fiber rope 1 inch (2.54 cm) in diameter and larger, the tail shall project at least 6 inches (15.24 cm) beyond the last full tuck. Where a projecting tail interferes with the use of the sling, the tail shall be tapered and spliced into the body of the rope using at least two additional tucks (which will require a tail length of approximately six rope diameters beyond the last full tuck).

1926.251(d)(4)(iv)

Fiber rope slings shall have a minimum clear length of rope between eye splices equal to 10 times the rope diameter.

1926.251(d)(4)(v)

Knots shall not be used in lieu of splices.

1926.251(d)(4)(vi)

Clamps not designed specifically for fiber ropes shall not be used for splicing.

1926.251(d)(4)(vii)

For all eye splices, the eye shall be of such size to provide an included angle of not greater than 60 degrees at the splice when the eye is placed over the load or support.

1926.251(d)(4)(ii)

In synthetic fiber rope, eye splices shall consist of at least four full tucks, and short splices shall consist of at least eight full tucks, four on each side of the center line.

1926.251(d)(5) End Attachments

Fiber rope slings shall not be used if end attachments in contact with the rope have sharp edges or projections.

1926.251(d)(6) Removal From Service

Natural and synthetic fiber rope slings shall be immediately removed from service if any of the following conditions are present:

1926.251(d)(6)(i)

Abnormal wear.

1926.251(d)(6)(iii)

Broken or cut fibers.

1926.251(d)(6)(iv)

Variations in the size or roundness of strands.

1926.251(d)(6)(v)

Discoloration or rotting.

1926.251(d)(6)(vi)

Distortion of hardware in the sling.

1926.251(d)(6)(ii)

Powdered fiber between strands.

1926.251(d)(7)

Employers must use natural- and synthetic-fiber rope slings that have permanently affixed and legible identification markings that state the rated capacity for the type(s) of hitch(es) used and the angle upon which it is based, type of fiber material, and the number of legs if more than one.

Related Code Sections


1926.251(d) Materials Handling, Storage, Use, and Disposal, Natural Rope, and Synthetic Fiber
Employers must not use natural- and synthetic-fiber rope slings with loads in excess of the rated capacities (i.e., working load limits) indicated ...
OSHA 1926 Construction > H Materials Handling, Storage, Use, and Disposal > 1926.251 Rigging Equipment for Material Handling > 1926.251(d) Natural Rope, and Synthetic Fiber
1926.251(d)(1) Materials Handling, Storage, Use, and Disposal,
Employers must not use natural- and synthetic-fiber rope slings with loads in excess of the rated capacities (i.e., working load limits) indicated ...
OSHA 1926 Construction > H Materials Handling, Storage, Use, and Disposal > 1926.251 Rigging Equipment for Material Handling > 1926.251(d) Natural Rope, and Synthetic Fiber > 1926.251(d)(1)
1926.251(d)(5) Materials Handling, Storage, Use, and Disposal, End Attachments
Fiber rope slings shall not be used if end attachments in contact with the rope have sharp edges or projections ...
OSHA 1926 Construction > H Materials Handling, Storage, Use, and Disposal > 1926.251 Rigging Equipment for Material Handling > 1926.251(d) Natural Rope, and Synthetic Fiber > 1926.251(d)(5) End Attachments
1926.251(d)(2)(ii) Materials Handling, Storage, Use, and Disposal,
In layed synthetic fiber rope, eye splices shall contain at least four full tucks, and short splices shall contain at least eight full tucks (four ...
OSHA 1926 Construction > H Materials Handling, Storage, Use, and Disposal > 1926.251 Rigging Equipment for Material Handling > 1926.251(d) Natural Rope, and Synthetic Fiber > 1926.251(d)(2) > 1926.251(d)(2)(ii)
1926.251(d)(3) Materials Handling, Storage, Use, and Disposal, Safe Operating Temperatures
Natural and synthetic fiber rope slings, except for wet frozen slings, may be used in a temperature range from minus 20 °F (-28.88 °C) to plus 180 °F ...
OSHA 1926 Construction > H Materials Handling, Storage, Use, and Disposal > 1926.251 Rigging Equipment for Material Handling > 1926.251(d) Natural Rope, and Synthetic Fiber > 1926.251(d)(3) Safe Operating Temperatures
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