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MCS30 Rev B
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4.2.3 Dual Line – Winch and SRD/Alternate PFAS - Entry/Egress Using Ladder
When a conned space has an exisng ladder but the aendant is unable to maintain a taut winch line as the entrant descends and
ascends from the conned space, it is possible to use a regular SRD or Fall Arrestor Connector Subsystem (FACSS) to provide protecon
from impacng and overloading the winch during a fall event.
In this case the PFAS provides fall protecon as the worker freely moves vercally, and the winch provides backup as the emergency
retrieval device from the conned space. See Figure 4.
4.2.4 Dual Line – Winch and 3-Way – Entry/Egress Using a Winch
When no alternate method of entry/egress (such as a ladder) exists the conned space entrant will be suspended, raised and lowered
with the winch line aached to a shoulder yoke or sternal D-Ring of a Full Body Harness. An SRL-R is then aached to the dorsal
D-ring of the Full Body Harness to provide fall arrest and emergency retrieval. Suspended workers are required to have a backup system
to their primary means of entry/egress that will limit fall forces to the body and provide emergency retrieval in the event of a winch
malfuncon. See Figure 5.
Figure 4
Dual Line – Winch and SRD/Alternate PFAS
Entry/Egress Using Ladder
Figure 5
Dual Line – Winch and 3-Way
Entry/Egress Using a Winch
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