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Twin-leg SRD Work Zone Transition
This SRD is designed for attachment of one leg end at a time during work
performance. Dual connection is for transitioning from one work zone to another
only, as shown in Figure 7.
Attach one leg end connector to a suitable anchor. The user may then move to
another work location and attach the unused leg to another suitable anchorage.
Detach the original attached leg. Repeat the procedure, until the desired work
location is reached.
DO NOT allow the lifelines to become tangled or twisted together as this may
prevent them from retracting.
DO NOT allow any lifeline to pass under arms or between legs during use.
DO NOT clamp, knot, or prevent the lifeline from retracting or being taut.
DO NOT lengthen the SRD by connecting a lifeline or similar component.
DO NOT allow the lifeline to freewheel back into the housing.
A
Before Lateral Movement
Figure 7: Use of Twin-leg SRDs for Lateral Movement
A
Original Work Location before lateral movement
B
Starting lateral movement; one leg connected to Anchor
C
During lateral move; both legs connected in momentary transition between Anchors
D
Ending lateral movement; one leg connected to Anchor
New Work Location after lateral movement
E
Class 1 devices MUST NEVER be used in below the dorsal d-ring tie-off
applications. No free fall is allowed.
ALWAYS avoid lifeline contact with sharp or abrasive edges and surfaces.
SRL must always be positioned at or above harness dorsal d-ring AND at or
below anchor point.
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B
C
Starting Lateral Movement
D
Momentary Transition
Ending Lateral Movement
32
E
After Lateral Movement
Manual Revision Code:
MD-20230508
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