Installation And Use; Install The Srd - Falltech HeavyWeight Manual De Instrucciones Para El Usuario

Rescuer: Person or persons other than the rescue subject acting to perform an assisted rescue by operation of
a rescue system.
4. INSTALLATION AND USE
Do not alter or intentionally misuse this equipment. Consult FallTech when using this equipment in
combination with components or subsystems other than those described in this manual.
Do not use rebar hooks, large carabiners or large snap hooks to connect to the FBH dorsal D‐rings or to
any small diameter non‐compatible anchor point as this may cause a roll‐out condition and/or
The SRD discussed in this manual is not intended for Leading Edge applications.
Do not insert extra connectors between the SRD lifeline connector and the FBH dorsal D‐ring,
Use caution. Take action to avoid sharp and/or abrasive surfaces and edges.
4.1. Install the SRD: Examine the work area and take action to address all hazards, particularly fall hazards.
There are several closely related facets of fall hazard management with a PFAS;
 Anchor location
 Minimum Required Fall Clearance (MRFC)
 Swing Fall
 Expanded Work Zone
Anchor Location: The SRD discussed in this manual is suitable for overhead anchorages only. Ensure the
anchor structure will meet strength requirements. See paragraph 3.5.1.
Table 1B provides a comparison of typical FallTech performance attributes with ANSI requirements. This table
is provided to enable real‐world determination of anchor requirements by the qualified person.
Minimum Required Fall Clearance (MRFC): Ensure the anchor point will provide for the Minimum Required
Fall Clearance (MRFC). The MRFC is the minimum distance a user needs between himself and the nearest
obstruction (or ground) below the walking/working surface to avoid serious injury or death in case of a fall event.
The basic MRFC using an SRD is the sum of three parts. A swing fall condition will add another metric to the
MRFC calculation, as shown in Figure 3.
 Deceleration Distance
 Harness Stretch and Dorsal D‐Ring Shift
 Safety Factor
The sub‐total of these three metrics is the basic MRFC. Deceleration Distance, Dorsal D‐ring Shift and FBH
Stretch, and Safety Factor are constants. Use Figure 3 to calculate the MRFC when using a Self‐Retracting
Device.
Be aware that if the user is kneeling or crouching while performing work, an additional 3 feet of MRFC will be
required.
Use the data provided in Table 1B to calculate fall clearance, assess swing fall hazards, and calculate the
additional fall clearance required when using an SRD.
Swing Fall: A swing fall occurs when the worker moves laterally and is no longer directly under the anchorage,
as shown in Figure 4. This lateral movement expands the work zone. If the user strikes an obstruction, the
lower level, or the ground during a swing fall, serious injury or death can occur. Swing falls when using an SRD
also greatly increase the MRFC. Swing falls from non‐overhead anchorages are extremely hazardous. Use
caution and take action to minimize swing fall hazards.
Expanded Work Zone: The work zone is a circle with its center on the walking/working surface directly under the
anchorage. As the user moves laterally, the radius of the circle, measured in feet, increases, expanding the work
zone. As the work zone expands, potential swing fall distances increase, which increases fall clearance
WARNING
unintentional disengagement.
except an approved D‐ring extender.
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