Safety in Tools, Tackles and Material Handling
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Transcript of Safety in Tools, Tackles and Material Handling
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Class of Tools
Industri
al Poweroperatedportabletools
Industrial Handoperated
handtools
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What do you think are the mostcommon injuries from working with
hand and power tools?
Electric shock
lash burnsalling
Hand and Eye injuries
Hearing loss
Crushing! cuts or
losing a body part
Ergonomic injuries
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enera e$u remen s or or a e owerTools
Dos Donts
Tools! cords and accessoriesmust be inspected before its use%
&lways wear PersonalProtecti'e E$uipment (PPE)s*including shielded safety goggles%+e sure the power tools aredoubly insulated and grounded%,eep power tools clean! sharp
and in good operating condition%Immediately turn o- andunplug any tool that sparks!o'erheats or causes an electricalshock%The user must be properlytrained to use the speci.c tool%ollow all the writteninstructions in the standardoperating procedure and thewarnings%/se "uarding
/se a power tool withoutwearing appropriate
personal protecti'e e$uipment%0'erreach or use a power toolwhile standing on a ladder% Plantyour feet .rmly on the 1oor%Try to .2 a defecti'e power toolyourself%
/sing a small tool for a big jobthat re$uires hea'y3duty tool%/sing power tools in areas withchemicals or other 1ammableli$uids or wet surface%
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Powertoolscanbedangerous
Hand3held power tools are lightweight!portable and con'enient to use% +ecause ofthat! it)s easy to forget that they)re dangerous%
/nsafe use of power tools can result in4 electrical shock
.res or e2plosions
se'ere cuts! puncture wounds! or injuries
from 1ying debris It)s important to understand how your tool
works and how to pre'ent accidents%
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5isual Photographs
Unplugpowertoolsbeforechangingbitsorblades.
Dont use small toolfor a small job.
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Personal Protecti'e E$uipments fortools and tackles
Ear plug
7ong 8lee'edshirt
7ong pants
8afety "lo'es
8afety "oggles
6ust:mist
respirator
8afety Helmet
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8afety in 6rilling machine at#ailway 8iding!
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8afety in 6rilling machine at#ailway 8iding!
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8afety in "rinding machine at#ailway 8iding!
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8afety in "rinding machine at#ailway 8iding!
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8afety in Carrying of 8leeper /sing#ail Trolley at #ailway 8iding!
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8afety in Carrying of 8leeper /sing #ailTrolley at #ailway 8iding!
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8afety in Carrying of 8leeper /sing #ailTrolley at #ailway 8iding!
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Clamping mechanism of #ail Trolley
Clampingarrangement of
sleeper
Wheel of #ail Trolle
7ong Handle forHolding the #ailtrolley
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8afety in 9o'ement of 8leeper
using 7ifting Tongs
7ifting Tongs
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8afety in carrying and placing ofsleeper in position in between two
sleepers using lifting tongs
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@ crane
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8afety in #igging and 9aterialHandling
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Exercise
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U- Bolt (Bull dog) Clamp
25
Rules to use clamps
Saddle must be close to the
size of the cable
Spacing between clamps is
eual to ! to " times the
diameter of cable
Bolts must be euall# tight
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$nstallation of U- Clips%
Installation of U-Clips
Diameter inInches
Minimum Numberof Clips
&'" '&! *
+ - ,'"
. - '" /
& ,
& &'" &0 !& '" - & +
U- Bolt (Bull
dog) Clamp
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1humb rule%
SW2 3 !45455 3 dia6 of the rope
eg7 &'*8 rope dia 3 ! 4&'* 4&'* 3 &6, 1
9ote7 5ia is in inches : capacit# in 1ons6
;actor of safet# for wire ropes 5
;actor of safet# for wire rope slings 6
;actor of safet# for wire ropes when used for
carr#ing personnel- 10
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87ID" HITCHE8 &D6&PP7IC&TI0D8
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A!"# $%&'$(#
)"*! +A,#D
"$AD- $% )*!"#
"#! )"*!&APA&*,
>F@@3 >G@@ G@
@@A >F@@ J
J@@A G@
,he choker hitch has /0- of thecapacity of a single leg only if thecorners are softened and the1ertical sling angle is smaller than200
Use blocks to pre1ent anglesgreater than 200
A!"#
- $% )*!"#
"#! )"*!&APA&*,
@ F@@
K@ >M@
B >B@
J@ >@@
- $% )*!"#
"#! )"*!&APA&*,
@ F@@
K@ >M@
B >B@
J@ >@@
A basket hitch has twicethe capacity of a singleleg only if the d3d ratio 45637 and legs of slingsare 1ertical.
At other angles8 seatable.
BA)(#, '*,&' &'$(#+ '*,&'
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Wire rope slings Choker hitch
,he capacity of a choker hitch isAppro9imately :6- of the single leg
Cho
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A!"# $%&'$(#
&APA&*,- $% &'$(#+;A)?
&APA&*,- $% @#+,*&A";#),*F@@3 >G@@ >@@ M
@@A >F@@ GM J
J@@A G@ MB
K@@A @ JF BJ
@@3 F@ B B@
&hoker hitch capacityreduction when angle ofchoke less than 750
degrees
Wire rope slings
Cho
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Wire rope slings +asket hitch
,he basket hitch has
twice a capacity of asingle leg if the legsare 1ertical and thesling is wrappedaround a load that is
big enough.
Bas
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Use master links tocollect slings and toconnect to hook
Use grade /;/0?ttings that matchthe ."." of chainand oCer proper
securement
Chain sling Hardware
Chain sling
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)lings angle greatly aCects thesiEing of sling and ttings at load.
=0 degrees 1ertical is a FgoodGangle
20degrees 1ertical is thema9imum angle
,'# B+*D"#
*&"UD#D A!"#
@#+,*&A")"*!
A!"#
'$+*H$,A" )"*!A!"#
"$AD
Bridle
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Inspection of tools &tackles
f :
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$nspection of tools : tac
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Inspection of wire rope slings remo'al criteria
Body
#ye
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Body
#ye
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Inspection of wire rope slings remo'al criteria
Damage8 corrosion8 uality of workmanship
+emo1e from ser1ice
$nspection of Wire rope slings
$ ti f Wi li
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*nspection of wire rope slings
Broken wires
Broken strandsremo1e from ser1ice
Broken wires+emo1e from ser1ice
$nspection of Wire rope slings
$ ti f Wi li
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*nspection of wire rope slings(inking
+emo1e from ser1ice
$nspection of Wire rope slings
$ ti f Wi li
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*nspection of wire rope slingsDogleg
"ook for displacedstrand8 if a strand
is signicantlydislocated8remo1e fromser1ice
$nspection of Wire rope slings
$ ti f Wi li
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*nspection of wire rope slings
Dogleg
+emo1e from ser1ice
$nspection of Wire rope slings
$ ti f Wi li
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*nspection of wire rope slingsBird caging
+emo1e from ser1ice
$nspection of Wire rope slings
$nspection of Wire rope slings
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Wire rope slings Temperature
$nspection of Wire rope slings
$nspection of tools : tac
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$nspection of tools : tacopes should be stored in coils or on reels in a clean? dr#
place indoors6
$f outdoor storage is necessar# then their surfaces should
be co@ered to pre@ent the ingress of moisture or matterinAurious to the rope6
eriodical Examination and lubrication of their rope6
1he rope should be
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),'#,*&)"*!)#B )"*!)8 "$ $+
P$"),#+
+$UD )"*!)8P$"),#+
$nspection of S#nthetic slings
$nspection of Web slings
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*nspection of web slings
&ause for remo1al
($,) * A PA+, $% )"*!
D*)&$"$+A,*$ AD B+*,,"# $+ ),*%%
A+#A) $ A PA+, $% ,'# )"*!8 '*&'
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*nspection freuency of
synthetic round slings
*nitialIPrior to initial use
%reuentI#ach day or shift before the sling is used
,he periodic inspectionI ormal ser1ice yearly
)e1ere ser1ice monthly to uarterly )pecial ser1ice as recommended by aualied person
$nspection of S#nthetic slings
$nspection of ol#ester slings
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Polyester round slings remo1al fromser1ice
Acid or caustic burns
#1idence of heat damage
'oles8 tears8 cuts8 abrasi1e wear or snagsthat e9pose the core yarns
Broken or damaged core yarns
eld splatter that e9pose the core yarns
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$nspection of 9#lon ' ol#ester slings
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ylon and polyester slings,emperature
)hall not be used attemperatures in
e9cess of >0Jc orbelow KL0Jc
KL0J&
>0J&
0J&
$nspection of 9#lon ' ol#ester slings
$nspection of tools : tac
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$nspection of tools : tac
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$nspection of tools : tac
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Exercise
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F*nspection of hardwareG
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$nspection of hardware
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*)P#&,*$ $%%*,,*!D#%$+
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$nspection of hardware
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*nspection of ttings &racks andsharp nicks
Any crack8 sharp nick or gouge in the surface ofany tting is cause for remo1al from ser1ice
$nspection of hardware
$nspection of hardware
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*nspection of ttings modication
Boldsubstitution
elding of hook
Any modication of any tting is
cause for remo1al from ser1iceIelding or heatingo substitution of partso bending
$nspection of hardware
$nspection of hardware
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*nspection of rigging hardwareremo1al criteria for threads
#9cessi1e thread damage or wear of screw pins8shank hooks and turnbucklesI
+emo1e from ser1ice ifthreads damaged orcorroded for more than50- of the length engagedin ear of shackle or nut of
hook or turnbuckle
#ngag
ed"engthI
$nspection of hardware
$nspection of tools : tac
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$nspection of tools : tac
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$nspection of tools : tac near direct heat6
9e@er use a round sling that has a damaged outersheath6
=lwa#s obser@e the certified capacit# of a sling6 =lwa#s inspect a sling before use6
When inspecting sling examine the full length forchafe'cuts'seam damage6 Chec< wor
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$nspection of tools : tac
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69
Chec< for
WearChec< for Wear :
Straightness
Chec< that the pin is
alwa#s seated
Chec< that shac
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$nspection of tools : tac
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p
Chain pulle# bloc< Shall ha@e endhoo
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p
Before hanging the chain pulle#bloc< on the structure ensure foradeuate strength for structuralmember to withstand load6
5onGt hang the bloc< b# tip of thetop hoo< on structure6
5onGt hand the chain pulle# bloc