3
1.0 APPLIcATIONs
1.1 PURPOSE:
DBI/SALA Nano-Lok edge™ Self retracting Lanyards with leading edge capability (SrL-Les) are designed
for use in applications where falls may occur, including falls over edges, such as roofing, leading edge construction, etc.
SrL-Les are designed to be a component in a personal fall arrest system (PFAS). Figure 1 illustrates the SrL-Les covered
by this manual. SrL-Les may be used in many situations where a combination of worker mobility and fall protection is
required (i.e. inspection work, general construction, maintenance work, oil production, confined space work, etc.). The
twin Nano-lok Edge models incorporate two SRL-LE units that can be used for applications where 100% tie-off is required.
1.2 STANdARdS:
Nano-lok Edge SRL-LEs conform to the national standard(s) identified on the ID label. Refer to local, state,
and federal (oSHA) requirements governing occupational safety for additional information regarding Personal Fall Arrest
Systems. refer to the following national standards on fall protection:
ANSI Z359.0
Definitions and Nomenclature Used for Fall Protection and Fall Arrest
ANSI Z359.1
Safety requirements for Personal Fall Arrest Systems, Subsystems, and Components
ANSI Z359.2
minimum requirements for a Comprehensive managed Fall Protection Program
ANSI Z359.14 Safety requirements for Self-retracting Devices for Personal Fall Arrest and rescue Systems
ANSI A10.32
Personal Fall Protection use in Construction and Demolition
1.3 TRAININg:
This equipment is intended to be used by persons trained in its correct application and use. It is the responsibility of the
user to assure they are familiar with these instructions and are trained in the correct care and use of this equipment. Users must be
aware of the operating characteristics, application limits, and the consequences of improper use.
2.0 LIMITATIONs & RequIReMeNTs
Always consider the following limitations and requirements when installing or using this equipment:
2.1 CAPACITy:
The DBI/SALA Nano-Lok edge Self retracting Lanyard with Leading edge capability (SrL-Le) is designed for
use by one person with a combined weight (person, clothing, tools, etc.) of up to 310 lbs (141 kg) for all applications including
Leading edge. The DBI/SALA Nano-Lok edge Self retracting Lanyard may be used for capacities up to 420 lbs (190 kg) in
limited applications but not for Leading edge. See Section 2.12 and associated figures for use restrictions.
2.2 ANCHORAgE:
Anchorages selected for fall arrest systems shall have a strength capable of sustaining static loads applied
in the directions permitted by the system of at least:
1.
5,000 lbs. (22.2 kN) for non-certified anchorages, or
2.
Two times the maximum arresting force for certified anchorages.
When more than one fall arrest system is attached to an anchorage, the strengths set forth in Section 2.2 1. and 2.
above shall be multiplied by the number of systems attached to the anchorage.
FROM OsHA 1926.500 ANd 1910.66:
Anchorages used for attachment of personal fall arrest systems shall be
independent of any anchorage being used to support or suspend platforms, and capable of supporting at least 5,000 lbs. per
user attached, or be designed, installed, and used as part of a complete personal fall arrest systems which maintains a safety
factor of at least two, and is under the supervision of a qualified person.
WARNING:
The anchor point must be located at the same height or above the edge over which a fall might
occur. Workers over 310 lbs (141 kg) must not use these SRL-LEs where falls over edges may occur. Failure to
heed this warning may result in equipment malfunction, serious injury, or death.
2.3 RESCUE PLAN:
When using this equipment, the employer must have a rescue plan and the means at hand to implement
it and communicate that plan to users, authorized persons, and rescuers.
i
NOTe:
Special rescue measures may be required for a fall over an edge.
2.4 INSPECTION FREqUENCy:
SrL-Les shall be inspected by the authorized person
1
or rescuer
2
before each use.
Additionally, inspections shall be conducted by a competent person
3
other than the user. The competent person
shall use the Nano-Lok edge™ Self retracting Lanyards Inspection Schedule and Checklist (Table 1) for appropriate
inspection intervals and procedures. results of the Competent Person inspection should be recorded in the
“Inspection and
Maintenance Log”
on the back pages of these instructions or recorded with the i-Safe™ system (see Section 5).
2.5 LOCKINg SPEEd:
Situations which restrict the speed of a fall should be avoided. Working in confined or cramped spaces
may not allow the body to reach sufficient speed to cause the SrL-Le to lock if a fall occurs. Working on slowly shifting
material, such as sand or grain, may not allow enough speed buildup to cause the SrL-Le to lock. A clear path is required
to assure positive locking of the SrL-Le.
2.6 NORMAL OPERATIONS:
Normal operation will allow the full length of the lifeline to extend and retract with no hesitation
when extending and no slack when retracting as the worker moves at normal speeds. If a fall occurs, a speed sensing
brake system will activate, stopping the fall. An external energy absorber will activate during fall arrest to absorb much
of the energy created and reduce inpact forces. Sudden or quick movements should be avoided during normal work
operation, as this may cause the SrL-Le to lock up.
1 Authorized Person:
A person assigned by the employer to perform duties at a location where the person will be exposed to a fall hazard.
2 Rescuer:
Person or persons other than the rescue subject acting to perform an assisted rescue by operation of a rescue system.
3 competent Person:
An individual designated by the employer to be responsible for the immediate supervision, implementation, and monitoring of the employ-
er’s managed fall protection program who, through training and knowledge, is capable of identifying, evaluating, and addressing existing and potential fall hazards,
and who has the employer’s authority to take prompt corrective action with regard to such hazards.
Summary of Contents for Nano-Lok Edge 3500210
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