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MSA Workman® Tripod
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the component or connecting subsystem to determine suitability. For fall arrest applications using the
tripod, the maximum fall arrest force must not exceed 1,800 lbf (8 kN).
Contact MSA with any questions regarding compatibility of equipment used with the tripod.
2.1.3 Compatibility of Connectors
Connectors, such as D-Rings, snaphooks, and carabiners, must be rated at 5,000 lbf (22 kN) minimum
breaking strength. MSA connectors meet this requirement. Connecting hardware must be compatible
in size, shape, and strength. Non-compatible connectors may accidentally disengage (“rollout”).
Always verify compatibility of the connecting snap hook or carabiner with harness D-Ring or anchorage
connector. Use only self-closing, self-locking snaphooks and carabiners with the harness.
Use only self-closing, self-locking snaphooks and carabiners to reduce the possibility of rollout. Do not
use snaphooks or connectors that will not completely close when attached.
• Do not tie knots in a lanyard.
• Do not connect snaphooks and carabiners to each other.
• Do not connect two (2) snaphooks to one (1) D-ring.
2.1.4 Anchorages and Anchorage Connectors
Personal fall arrest system anchorages and connectors must either:
a) have a strength capable of supporting and withstanding at least 5,000 pounds (22.2 kN) in the
directions permitted by the system without failure
b) be certified by a professional engineer as having the required strength for fall arrest or travel
restraint, as applicable. See ANSI Z359.18 for definition of certification.
When more than one person is attached to an anchor, the minimum anchor strength must be multiplied
by the number of personal fall arrest systems attached.
2.2 Dimensions
Fig. 2 Dimension references
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