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NBR 15834:2010), work positioning lanyard (ABNT NBR 15834:2010). MSA produces a complete line of connecting
subsystems for each application. Contact MSA for further information. Refer to the manufacturer's instructions supplied with
the component or connecting subsystem to determine suitability. For fall arrest applications using the harness, the maximum
fall arrest force must not exceed 1800 lbs (8kN) for ANSI Z359.11 or 1348 lbs (6kN) for NBR 15835:2010 and NBR
15836:2010. Contact MSA with any questions regarding compatibility of equipment used with the harness.
2.5.2
Compatibility of Connectors
WARNING!
Do not rely on feel or sound to verify proper snaphook or carabiner engagement. Ensure that gate and keeper are closed before
use.
Failure to follow this warning can result in serious personal injury or death.
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.
2.6
Anchorages and Anchorage Connectors
Personal fall arrest system anchorages and connectors must be capable of supporting a static load, applied in all directions
permitted by the system, of at least:
• 3,600 lbf (16 kN) when certified as defined by ANSI Z359.18
• 5,000 lbf (22.2 kN) when uncertified
Anchor structures and anchorage connecting devices for personal fall arrest systems must have a minimum static strength of
5000 lbf (22.2 kN) in all directions of load permitted by the system; or they must be part of a complete system for fall arrest that
is designed, installed and used under the supervision of a Qualified Person and maintain a safety factor of at least two (2) as
required by OSHA. 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.
An anchoring system is defined as a set of components that are part of a Personal Fall Arrest System. NBR requires an anchor
system with resistance able to withstand the maximum force expected when a fall occurs.
The following figures are examples of proper connection to various fall protection subsystems.
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