AC Tool Supply 3M Full Body Harnesses Інструкція користувача - Сторінка 5

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up to 400 lb (181 kg) including clothing, tools, etc.

3. Full Body Harnesses shall be used as part of a personal fall arrest system that limits the

maximum free fall distance to 6 ft (1.8 m). If used with appropriate connecting system, Full

Body Harnesses may be used with free falls exceeding 6 ft (1.8 m).

4. Full Body Harnesses shall only be used as part of a controlled descent, or rescue system that

eliminates free fall unless attached to the dorsal D-ring. When attached to the dorsal D-ring

the maximum free fall distance is 6 ft (1.8 m).

5. Full Body Harnesses shall only be used as part of a ladder climbing system that limits the

maximum free fall distance to 18 in (0.45 m) when attached to the frontal D-ring, or limits

the maximum free fall distance to 6 ft (1.8 m) when attached to the dorsal d-ring.

6. Full Body Harnesses shall only be used as part of a work positioning system that limits the

maximum free fall distance to 2 ft (0.6 m).

7. Only Full Body Harnesses with an integral seat strap are designed to be used in extended

suspension applications.

Anchorages

All anchorage requirements depend on the application that the Full Body Harness is used. In a

personal fall arrest system the anchorage must meet the requirements of OSHA 29 CFR 1910.66

and ANSI Z359.1-2007. OSHA states:

Anchorages to which personal fall arrest equipment is attached shall be capable of supporting

at least 5,000 pounds (22.2 kN) per employee attached, or shall be designed, installed, and used

as part of a complete personal fall arrest system which maintains a safety factor of at least two,

under the supervision of a qualiﬁ ed person.

ANSI Z359.1-2007 states that anchorages in a personal fall arrest system must have a strength

capable of sustaining static loads, applied in all permitted directions by the system, of at least:

(a) two times the maximum arrest force permitted on the system when certiﬁ cation exists, or

(b) 5,000 pounds (22.2 kN) in the absence of certiﬁ cation.

The strength in (a) and (b) must be multiplied by the number of personal fall arrest systems

attached to the anchorage, when more then one personal fall arrest system is attached to the

anchorage.

Anchorages used in controlled descent and rescue systems must be capable of supporting loads

of 3,100 lbf (13.8 kN) for non-certiﬁ ed anchorages or a 5:1 safety factor for certiﬁ ed anchorages

per ANSI Z359.4-2007.

Anchorages used in restraint systems must be capable of supporting loads of 1,000 lbf (4.5 kN)

for non-certiﬁ ed anchorages or two times the foreseeable force for certiﬁ ed anchorages per ANSI

Z359.2-2007.

Anchorages used in work positioning systems must be capable of supporting loads of 3,000 lbf

(13.3 kN) for non-certiﬁ ed anchorages or two times the foreseeable force for certiﬁ ed anchorages

per ANSI Z359.2-2007.

All anchorages should be located vertically above the user's head and be positioned as to not

exceed the maximum allowable free fall for the system.

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