Michigan Administrative Code
Department - Labor and Economic Opportunity
MIOSHA
General Industry and Construction Safety and Occupational Health Standards
General Industry Safety Standards
Part 49 - SLINGS
Section R. 408.14908 - Definitions; S to V

(1) "Selvage edge" means the finished edge of synthetic webbing designed to prevent unraveling.

(2) "Sling" means an assembly which connects the load to the material handling equipment for the purpose of lifting or hoisting.

(3) "Sling manufacturer" means a person or organization that assembles sling components into their final form for sale to users.

(4) "Spiral" means a single transverse coil that is the basic element from which metal mesh is fabricated. (See figure 2 "Metal Mesh Construction")

(5) "Strand laid endless sling-mechanical joint" means a wire rope sling made endless from 1 length of rope, with the ends joined by 1 or more metallic fittings.

(6) "Strand laid grommet-hand tucked" means an endless wire rope sling made from 1 length of strand wrapped 6 times around a core formed by hand tucking the ends of the strand inside the 6 wraps.

(7) "Strand laid rope" means a wire rope made with strands, usually 6 or 8, wrapped around a fiber core, wire strand core, or independent wire rope core.

(8) "Vertical hitch" means a method of supporting a load by a single, vertical part or leg of the sling. (See figure 4 "Basic Sling Configurations with Vertical Legs")

FIGURE 4

BASIC SLING CONFIGURATIONS WITH VERTICAL LEGS

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FIGURE 5

BLING CONFIGURATIONS WITH ANGLED LEGS

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Not Angles 5 degrees or less from the vertical may be considered vertical angles.

For slings with legs more than 5 degrees off vertical, the actual angle as shown in Figure 5 must be considered.

EXPLANATION OF SYMBOLS: MINIMUM DIAMETER OF CURVATURE

Click Here To View Image Represents a contact surface which shall have a diameter of curvature at least double the diameter of the rope from which the sling is made

Click Here To View Image Represents a contact surface which shall have a diameter of curvature at least 8 times the diameter of the rope.

Click Here To View Image Represents a load in a choker hitch and illustrates the rotary force on the load and/or the slippage of the rope in contact with the load. Diameter of curvature of lead surface shall be at least double the diameter of the rope.