KStrong UFL201101 handleiding

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Handleiding

• Work Positioning: The structure to which the work positioning system (WPS) is attached must be able to sustain a static load of

min. 3000 lbs. (13.3 kN), applied in the directions permitted by the work positioning system. Or, it should be able to sustain two times

the potential impact load, whichever is greater; see 1926.502. However, if more than one work positioning system is attached to an

anchorage then the strength mentioned above must be multiplied by the number of WPS attached to the anchorage.

• Restraint: The strength requirement of anchorages which are selected for restraint and travel restraint systems is minimum of 1000

lbs. (4.5 kN) static load applied in the directions permitted by the system. If more than one restraint and travel restraint system is

attached to anchorage, then the 1000 lbs. shall be multiplied by the number of systems attached to the anchorage to determine the

min. strength requirement.

• Rescue: The minimum strength of the anchorage selected for rescue should be such that it is capable of sustaining a static load

of minimum 3000 lbs. (13.3 kN) applied in the direction permitted by the system. To determine the strength requirement of the

anchorage if more than one rescue system is attached, multiply 3000 lbs. (13.3 kN) by the number of the systems attached to the

anchorage.

GENERAL LIMITATIONS OF FALL ARREST SYSTEM AND REQUIREMENTS:

It is important to consider the below mentioned limitations before using or installing this equipment:-

• The capacity of the KStrong full body harness is up to 310 lbs. (140 kg) hence, the combined weight (clothes, tools, shoes etc.) of

a person using these harnesses should not be more than 310 lbs. It is important to ensure that all the components in the system

are rated to a capacity which is

appropriate to the application.

• Free Fall: As per ANSI Z359.11

the personal fall arrest systems

used with this equipment must be

rigged in such a way that the free

fall does not exceed 6 ft. (1.8 m).

Restraint systems must be rigged

in such a way that no vertical free

fall is possible. Work positioning

systems are required to be rigged

in a way that the free fall does

not exceed 2 ft. (0.6 m). Personal

riding systems must be rigged so

that there is no vertical free fall

possible. Climbing systems must be rigged so that free fall is less than

18 inches (46 cm). Rescue systems must be rigged in such a way that

there is no vertical free fall. Contact KStrong for any further information

needed.

• Fall Clearance: There should be sufcient clearance below the user to

allow the system to arrest a fall so as to prevent the user from striking the

ground or any other obstruction. The clearance required depends upon

the following factors:

• Harness Stretch - H

= H

-H

(Harness stretch should be ≤ (less

than equal to) 18 inches)

• Anchorage location

• Type of connecting subsystem used (energy absorbing lanyard,

self retracting lifeline (SRL), etc.)

If the only available anchorage is situated below the attachment on the harness; and if there is a risk of fall, then it is essential to use a lanyard

with a properly rated energy absorber. It is important to ensure that there is sufcient fall clearance below the user, before using a shock

absorbing lanyard. If the weight of the wearer is 220 lbs. and the fall factor is two, we can calculate the fall clearance (which will be equal to the

stopping distance H (2L+ 5.74 ft.) + an additional distance of 3.28 ft).

A Connecting Subsystem (Energy

Absorbing Lanyard Shown)

B Working Level

C Lower Level or Obstruction

D Free Fall - 6 ft. (1.8 m) Max. (per ANSI

Z359.11)

E Deceleration Distance

F Total Fall Distance Free Fall (D) +

Deceleration (E)

Before

After

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