DBI/Sala 2100090 User Manual
Anchor Points
Instructions for the following series products:
Perimeter Limiter System
Model No. 2100090, 2100091
User InstrUctIon ManUal PerIMeter
lIMIter coUnterweIght systeM
Figure 1 - Assembled Perimeter Limiter Counterweight System
Mast:
7.5 ft or 9.5 ft.
Mast Arm
(2.3 m or 2.9 m)
Lifting
Shackles
Positioning
Handles
Rear
Foot Pad Jack
Weight Cart
Positioning Bars
Additional Weights
Foot Pad Jack
Front
(Optional)
warnIng: This product is part of a fall arrest system. These instructions must be provided to all users
and rescuers (see section 8 Terminology) using this equipment. The user must read and understand these
instructions before using this equipment. The user must follow the manufacturer’s instructions for each
component of the system. Manufacturer’s instructions must be followed for proper use and maintenance of this
equipment. Alterations or misuse of this equipment, or failure to follow instructions, may result in serious injury
or death.
IMPortant:
If you have questions on the use, care, or suitability of this equipment for your application,
contact DBI‑SALA.
IMPortant: Before using this equipment, record the product identication information from the ID label into
the inspection and maintenance log in section 10.0 of this manual.
1.0 aPPlIcatIon
1.1 PURPOSE: The Perimeter Limiter System is designed for use as an anchoring means for a personal fall
arrest system (PFAS) for a person working on form work, at roofs or similar structures.
1.2 LIMITATIONS: The following limits apply to the installation and use of Perimeter Limiter System. Other
limitations may apply:
A. HORIZONTAL LIFELINE: The Perimeter Limiter System is not rated for use as an anchor for a
horizontal lifeline.
B. SYSTEM CAPACITY:
The maximum capacity of the Perimeter Limiter System is two persons, each with
a maximum combined weight including tools and clothing, of 310 lbs. (141 kg).
C. SURFACE CONDITIONS: The Perimeter Limiter System must not be used under conditions where
the surface is coated with frost, snow, ice, standing water, grease or oil, or other lubricating or friction
reducing materials.
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© Copyright 2007, DB Industries, Inc.
D. PERSONAL FALL ARREST SYSTEM: PFASs used with this roof anchor must meet applicable OSHA,
state, federal and ANSI requirements. PFASs incorporating a full body harness must be capable of
arresting a worker’s fall with a maximum arresting force of no greater than 900 lbs. (4 kN) and limit the
free fall distance to 6 ft. (1.8 m) or less. The deceleration distance for a PFAS must be 42 inches (1.1 m)
or less [47 inches (1.2 m) in Canada]. Reference ANSI Z359.1, OSHA and CSA Z259.11 requirements.
The system must be rigged in a way that limits free fall to 6 ft. or less. Contact DBI‑SALA if you have
questions or concerns regarding free fall limits.
E. SURFACE STRUCTURE:
The surface on which the Perimeter Limiter is installed must be capable of
supporting the weight of the Perimeter Limiter and any additional loading as a result of fall arrest forces.
Do not install the system on an uneven surface or a slope of greater than 5 °.
F. ENVIRONMENTAL HAZARDS: Use of this equipment in areas where environmental hazards exist may
require additional precautions be taken to reduce the possibility of injury to the user or damage to the
equipment. Hazards may include, but are not limited to: high heat, extreme cold, caustic chemicals,
corrosive environments, high voltage power lines, explosive or toxic gases, moving machinery, or
sharp edges. Contact DBI‑SALA if you have questions about using this equipment where environmental
hazards exist.
Figure 2 -System Location
G. LOCATION: The Perimeter Limiter must be
located a sufficient distance from the edge of a
working surface. Minimum distance allowable
from the front of the unit is 2 ft. (.6 m) and
from the side of the unit is 3 ft. (.9 m) See
Figure 2.
H. TRAINING:
This equipment must be installed
and used by persons who have been properly
2 ft Min.
(.6 m Min.)
Front
Leading Edge
trained in its correct application and use.
Installation and use of this equipment must be
supervised by a qualified person, as defined by
3 ft Min.
(.9 m Min)
OSHA fall protection standards.
1.3 APPLICABLE STANDARDS: Refer to national
Side Leading Edge
Standards including ANSI Z359 (.0, .1, .2, .3,
and .4) family of standards on fall protection, ANSI A10.32, and applicable local, state and federal (OSHA)
requirements governing occupational safety for more information about work positioning systems. Refer to
CSA Z259.13 in Canada for more information on personal fall arrest systems and associated components.
2.0 systeM reQUIreMents
2.1 COMPATIBILITY OF COMPONENTS: DBI‑SALA equipment is designed for use with DBI‑SALA approved
components and subsystems only. Substitutions or replacements made with non‑approved components
or subsystems may jeopardize compatibility of equipment and may effect the safety and reliability of the
complete system.
2.2 COMPATIBILITY OF CONNECTORS:
elements when they have been designed to work together in such a way that their sizes and shapes do
not cause their gate mechanisms to inadvertently open regardless of how they become oriented. Contact
DBI‑SALA if you have any questions about compatibility.
Connectors (hooks, carabiners, and D‑rings) must be capable of supporting at least 5,000 lbs. (22.2 kN).
Connectors must be compatible with the anchorage or other system components. Do not use equipment
that is not compatible. Non‑compatible connectors may unintentionally disengage. See Figure 3. Connectors
must be compatible in size, shape, and strength. Self locking snap hooks and carabiners are required by
ANSI Z359.1 and OSHA and CSA Z259.12 in Canada.
2.3 MAKING CONNECTIONS: Only use self‑locking snap hooks and carabiners with this equipment. Only use
connectors that are suitable to each application. Ensure all connections are compatible in size, shape and
strength. Do not use equipment that is not compatible. Ensure all connectors are fully closed and locked.
Connectors are considered to be compatible with connecting
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Figure 3 - Unintentional Disengagement (Roll-out)
If the connecting element that a snap hook (shown) or carabiner attaches to is undersized or irregular in shape, a situation
could occur where the connecting element applies a force to the gate of the snap hook or carabiner. This force may cause the
gate (of either a self‑locking or a non‑locking snap hook) to open, allowing the snap hook or carabiner to disengage from the
connecting point.
Small ring or
other
non‑compatibly
shaped element
1. Force is applied to the
snap hook.
2. The gate presses against the
connecting ring.
3. The gate opens allowing the
snap hook to slip off.
DBI‑SALA connectors (snap hooks and carabiners) are designed to be used only as specied in each
product’s user’s instructions.
See Figure 4 for inappropriate connections. DBI‑SALA snap hooks and carabiners should not be connected:
A. To a D‑ring to which another connector is attached.
B. In a manner that would result in a
Figure 4 - Inappropriate Connections
load on the gate.
note: Large throat snap hooks should
not be connected to standard size D‑rings
or similar objects which will result in a
load on the gate if the hook or D‑ring
twists or rotates. Large throat snap hooks
are designed for use on xed structural
elements such as rebar or cross members
that are not shaped in a way that can
capture the gate of the hook.
In a false engagement, where
C.
features that protrude from the
snap hook or carabiner catch on
the anchor and without visual
confirmation seems to be fully
engaged to the anchor point.
D. To each other.
E. Directly to webbing or rope lanyard or tie‑back (unless the manufacturer’s instructions for both the
lanyard and connector specifically allows such a connection).
F. To any object which is shaped or dimensioned such that the snap hook or carabiner will not close and
lock, or that roll‑out could occur.
2.4 INSTALLATION LOAD: The surface on which the Perimeter Limiter is installed must be capable of
supporting the weight of the unit and fall arrest loads. The maximum static load is 470 lbs. (213 kg), the
maximum foot pad loading during fall arrest for one user is 1,200 lbs. (545 kg) and 2000 lbs. (900 kg) for
two users. See section 7, for the weight of each Perimeter Limiter model.
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3.0 asseMbly anD Use
warnIng: Do not alter or intentionally misuse this equipment. Consult with DBI‑SALA if using this equipment
in combination with components or subsystems other than those described in this manual. Some subsystems and
components combinations may interfere with the proper operation of this equipment. Use caution when using
this equipment around moving machinery, electrical and chemical hazards, and sharp edges.
warnIng: Working at height has inherent risks. Some risks are noted here but are not limited to the following:
falling, suspension/prolonged suspension, striking objects, and unconsciousness. In the event of a fall arrest and/
or subsequent rescue (emergency) situation, some personal medical conditions may affect your safety. Medical
conditions identied as risky for this type of activity include but are not limited to the following: heart disease,
high blood pressure, vertigo, epilepsy, drug or alcohol dependence, psychiatric illness, impaired limb function
and balance issues. We recommend that your employer/physician determine if you are t to handle normal and
emergency use of this equipment.
3.1 BEFORE
EACH USE inspect this equipment according to steps listed in section 5. Do not use this equipment
if inspection reveals an unsafe or defective condition. Plan your use of the fall protection system prior to
exposing workers to dangerous situations. Consider all factors affecting your safety before using this system.
Read and understand all manufacturer’s instructions for each component of the personal fall arrest system.
All DBI‑SALA harnesses and connecting subsystems are supplied with separate user instructions. Keep all
instructions for future reference.
3.2
PLAN your fall arrest system before starting your work. Take into consideration factors affecting your safety at any
time during use. The following list gives some important points you must consider when planning your system:
A. SURFACE STRUCTURE: The surface structure must be capable of supporting the required loads. See
section 2.4.
B. OTHER CONSIDERATIONS:
Figure 5 - Safe Work Zone
• Always work within the safe work zone of the
Perimeter Limiter to avoid the possibility of rocking
or tipping the unit. See Figure 5.
• Personal fall arrest systems must be rigged to limit
any free fall to a maximum of 6 ft. (1.8 m) (OSHA
and ANSI Z359.1) (see section 1.2 F).
2 ft. Min
(.3 m Min)
Leading Edge
Front
• Do not work above the surface of the Perimeter
Limiter level since an increased free fall distance will
result.
• Avoid working where your line may cross or tangle
with that of another worker or another object.
• Do not allow the lifeline to pass under arms or
between legs.
26 ft. Max
(7.9 m Max)
Leading Edge
Perimeter
Limiter Safe
Work Zone
Side
• Never clamp, knot or otherwise prevent the lifeline
from retracting or being taut, avoid slack line.
• The Perimeter Limiter has two shackles designed for lifting the unit: one on the gusset at the base of the
mast and the other on the top center of the weight cart. See Figure 1. Use these shackles for lifting the
unit to the work area. Always use both shackles when lifting the unit.
warnIng:
Do not attach a personal fall arrest system to the lifting shackles. The shackles are not rated for fall
arrest and in the event of a fall, serious injury or death could occur.
24 ft. Max
(7.9 m Max)
IMPortant: Do not lengthen the SRL lifeline by connecting a lanyard or similar component without consulting
DBI‑SALA.
C. TOTAL FALL DISTANCE: Should a fall occur, there must be sufficient clearance in the fall area to arrest
the fall before striking the ground or other object. The total fall distance is the distance measured from
the onset of a fall to the point where the fall is arrested. A number of factors can influence the total fall
distance including; user’s weight, anchorage location relative to the fall (swing fall), body support with
sliding D‑ring, and the type of fall arrest equipment you attach to the anchor. For specific clearance
requirements read and follow the manufacturers’s instructions for your fall arrest equipment.
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