12
Figure 10 – Nano-Lok SRL System Connections
E
D
A
D
G
B
F
C
F
A
- Dorsal D-Ring
B
- Single SRL Harness Interface
C
- Twin SRL Harness Interface
D
- Snap Hook
E
- Carabiner
F
- Rebar Hook
G
- Anchorage Point
4.5 OPERATION:
Prior to use, inspect the SRL as described in section 5.0. Figure 10 shows system connections
for typical Nano-Lok SRL applications. Connect the Nano-Lok SRL to a suitable anchorage or mount the SRL
on the back of a Full Body Harness per the instruction in Section 3. On anchorage connected SRLs, connect
the Hook (D) or Carabiner on the Load Indicator to the Dorsal D-Ring (A) on the Full Body Harness. On
harness mounted SRLs, connect the Hook (D) or Carabiner to a suitable anchorage. Ensure connections
are compatible in size, shape, and strength. Ensure hooks are fully closed and locked. Once attached, the
worker is free to move about within the recommended working area at normal speeds. If a fall occurs the
SRL will lock and arrest the fall. Upon rescue, remove the SRL from use. When working with an SRL, always
allow the lifeline to recoil back into the device under control.
WARNING:
Do not tie or knot the lifeline. Avoid lifeline contact with sharp or abrasive surfaces. Inspect
the lifeline frequently for cuts, fraying, burns, or signs of chemical damage. Dirt, contaminants, and water
can lower dielectric properties of the lifeline. Use caution near power lines.
4.6 TWIN LEG INTERFACE 100% TIE-OFF:
When two Nano-Lok SRLs are mounted side-by-side on the back
of a Full Body Harness, the SRL Fall Arrest System can be used for continuous fall protection (100 % tie-off)
while ascending, descending, or moving laterally (see Figure 11). With the Lanyard Leg of one SRL attached
to an anchorage point, the worker can move to a new location, attach the unused Lanyard Leg of the other
SRL to another anchorage point, and then disconnect from the original anchorage point. The sequence is
repeated until the worker reaches the desired location. Considerations for twin leg 100% tie-off applications
include the following:
•
Connection of each Lanyard Leg to a separate anchorage point is acceptable (Figure 11).
•
Never connect more than one person at a time to the Twin-Leg system (Figure 12).
•
Do not allow the Lanyards to become tangled or twisted together as this may prevent them from
retracting.
•
Do not allow any lanyard to pass under arms or between legs during use.
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