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SLINGS
WIRE ROPE
WIRE ROPE SLING INSPECTION AND REMOVAL CRITERIA
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Both ANSI Standard B30.9 and OSHA require that wire
(1) First, it is necessary that all parts of the sling are read
rope slings receive two types of inspections: a DAILY visu
ily visible. The sling should be laid out so every part is
al inspection, and additional inspections where service
accessible.
conditions warrant.
(2) Next, the sling should be sufficiently cleaned of dirt
Daily visual inspections are intended to detect serious
and grease so wires and fittings are easily seen. This can
damage or deterioration which would weaken the sling.
usually be accomplished with wire brush or rags.
This inspection is usually performed by the person using
the sling in a day to day job. He should look for obvious
(3) The sling should then be given a thorough, systematic
things, such as broken wires, kinks, crushing, broken
examination throughout it's entire length, paying particular
attachments, severe corrosion, etc.
attention to sections showing the most wear.
Additional inspections should be performed at regular
(4) Special attention should also be paid to fittings and
intervals based on, (1) frequency of sling use, (2) severity
end attachments and areas of the sling adjacent to these
of service conditions, (3) nature of lifts, and (4) prior expe
fittings.
rience based on service life of slings used in similar cir
cumstances.
(5) When the worst section of a sling has been located,
this area should then be carefully checked against the
It is required that these additional inspections be carried
OSHA criteria.
out by a designated person who much have good knowl
edge of wire rope. An accurate WRITTEN and dated
(6) Label or identify slings that are inspected.
record of all conditions observed should be kept. Any
deterioration of the sling which could result in appreciable
(7) Keep records of inspections that include dates and
loss of original strength should be carefully noted, and
corresponding conditions of slings.
determination made on whether further use would consti
tute a safety hazard.
(8) Dispose immediately of slings that are rejected.
HOW TO INSPECT
A knowledgeable inspector will also insist on proper stor
age for out of use slings to make his job easier if not for
Precisely how to make proper, adequate inspections is not
the good of the slings. Inspections are much easier and
detailed by OSHA yet it is in the HOW of inspection that
probably more thorough when slings are available for
the big difference between a good inspection and some
inspection in an orderly arrangement, out of the weather,
thing less become apparent.
away from heat and dirt.
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