4 aware struck by caught between

7/17/2019 4 AWARE Struck by Caught Between

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Struck-By/Caught-Between

Module 4


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DISCLAIMER

This material was produced undergrant number SH-22248-1 from the

Occupational Safety and Healthdministration! "#S# $epartment of

%abor# &t does not necessarilyre'ect the (iews or policies of the

"#S# $epartment of %abor! nor does

mention of trade names!commercial products! or

organi)ations imply endorsement

by the "#S# *o(ernment#


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Objectives

fter this module you should beable to

identify the most common struc+-byand caught-between ha)ards

ta+e the necessary steps to a(oidthose ha)ards


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F rst Let"s #a A %utStruck-By"s

struc+-by is an accident in whichany part of the body is struc+ by an

ob,ect that is in motion! whethermo(ing! swinging! 'ying! falling!

etc#


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Struck-By &a'ar(s

Site clearing

Mo(ing pipe and casing

"sing tongs and spinning chain

alling o(erhead ob,ects

.or+ing around mobile e/uipment

%oads being mo(ed

&mproper use of hand tools

.hipping pressuri)ed lines

"sing ele(ators

"sing turnbuc+les and load strapping


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#ree Fe$$ing Struck-By"s igure out the best felling direction

0lan! clear! and use an escape path

igure out the proper hinge si)e

"se proper controlled felling techni/ues

Maintain safe separation distances fromother wor+ers or machines

.ear re/uired 00

Danger!

Tree felling requires special training!


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while the rig is being set up at the site!wor+ers can get struc+ by a crane! load!truc+! for+lift! tool! etc#

its important that the wor+er is +nowledgeable of

the ha)ards present and is aware at all times of


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a wor+er can get struc+ bymo(ing! swinging! or fallingdrill pipe

stand clear of this area

when pipe is being lifted tothe ri 'oor


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while tripping in3out! awor+er can get struc+ bytongs or spinning chain

always determine and stand clear of theswing radius of these items when possible


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if connections brea+ free! high-pressurelines and hoses can /uic+ly becomestruc+-by ha)ards

ensure that lines and hoses are properly

secured! connections are not worn! and whip-


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a small crac+ or other damageto a hand tool can cause astruc+-by incident

C%rrective Acti%ns)inspecttools before use7 ta+e defecti(e


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cable used to rig this load upmay suddenly snap! slicinganything in its path

as much as possible! standclear of the cable while it is


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a tool stuc+ through the middle of aturnbuc+le to tighten it can +ic+ bac+and stri+e you

use a crescent wrench atone end of the turnbuc+le


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this load could shift or fallsuddenly stri+ing or fallingon the wor+er

C%rrective Acti%n)a tag line wouldbe ideal here7 ta+e the time to set one


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this is another e5ampleof where a tag lineshould be used


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if they attached the tag line to the load ratherthan the rigging! these employees would becorrectly using a tag line


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while wor+ing at heights! if you looseyour grip on a tool! it could fall onto awor+er or e/uipment

use a de(ice li+e this orsimply use a tail rope to


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*%w Caught-Between"s

caught-between is an accident inwhich the whole body or part of the

body is pinched or crushedbetween ob,ects#

Ca g t Bet een


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Caug t-Between&a'ar(s

Mo(ing pipe and casing

"sing tongs and spinning chain

.or+ing around mobile e/uipment

"nguarded mo(ing parts

.or+ing under suspended loads

&mproper use of hand tools

.earing loose clothing

&mproper handling of slips or ele(ators


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crushing ha)ardscan e5ist whensetting up the rig

always stand clear7 +eep hands and other

body parts away


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while tripping in3out! a wor+ercan get caught between tongsor spinning chain


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wor+ers ngers or handscan get smashed whensetting the slips

always +eep hands on the

handles


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wor+ers hands or thumbs canget caught between the ele(atorand the stump

always place hands on designatedhandles


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this wor+er is cuttingthrough a bad spot whilethe truc+ is mo(ing

C%rrective Acti%ns)ne(er ta+e chances

li+e this when the space is this limited7


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always use a spotterwhen what is behind youcannot be seen

b l d ll f hi


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belt and pulleys of machines are commonpinch points

ensure that the guarding is installed7 do

not place hands in the area whilemachine is o eratin


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cho+ing up on tools andsmashing ngers is (erycommon

the rst 9: of this handle is painted red

to indicate that hands should not belaced there


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this employee is usingproper hand placementon a sledge


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hands and ngers can getcaught while maneu(eringstands of pipe

what can a wor+er do to +eep

hands from getting pinched


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this wor+er is using a tag line!+eeping his hands free fromcrushing ha)ards

when your hands get to the

end of the tagline! there should

+arning,The ne5t slide

contains graphic

content#


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heres what couldhappen


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C%rrective Acti%n)do what needs

to be done before the load is

%ur E. %yer Is


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%ur E. %yer IsRes%nsib$e F%r

0ro(iding appropriate 00 andother appropriate safetye/uipment

0ro(iding tag lines and tail ropes

nsure e/uipment is properlyguarded


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%u Are Res%ns eF%r

.earing the appropriate 00

Operating and wor+ing aroundmobile e/uipment carefully!+eeping in mind that suche/uipment has blind spots

"sing caution when wor+ingaround potential struc+-by or

caught-between ha)ards


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Case Stu(y

=ecause the company failed to doinspections! the crown shea(e

shaft came out of one of its mountsreleasing the shea(es! the drilling

line! and 19>!???-pound drill-string# These components fell to

the drilling 'oor +illing two

wor+ers#


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Case Stu(y

dump truc+ dri(er wasattempting to repair a lea+ing

bra+e line# .hen the hydraulicsfailed! the dump bed came down

and pinned him to the chassis# Hedied from e5tensi(e internalbleeding shortly after MS

unpinned him#


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A$ways Re.e.ber

Secure or remo(e any loose

e/uipment before setting up orbrea+ing down a rig

=e aware of and do not enter the

swing radius of tongs and3or spinningchain

Ta+e damaged tools out of ser(ice

$ont cho+e up on tools

@e(er wor+ under a suspended load

nsure machine guarding is in place

@e(er wear loose clothing


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Me.%ry Check

1# How should a person on theground control a suspended loadbeing mo(ed;

a# use a pole with a hoo+ on the end

b# grab the rigging

c# grab only the load

d# use a tag line


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Me.%ry Check

2# .hich of the following is @OT astep in controlling pressuri)edlines;

a# install whip chec+s

b# match thread and si)e ofconnections

c# test connection by running an

e5tremely high pressure throughthe line

d# ensure connections are not worn ordamaged

h k


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Me.%ry Check

A# How many seconds is itacceptable to stand under asuspended load;

a# ?

b# 1

c# 2

d# A

4 aware struck by caught between

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