RIGGER
RIGGER
TRAINING
TRAINING
AND
AND
ASSESSMENT
ASSESSMENT
PRESENTED
PRESENTED
BY
BY
Mohamed Yehia
Mohamed Yehia
Content:-Content:-
LegislationLegislationRegulations Regulations
H S E Guidance H S E Guidance
Pre- use examination of lifting equipment Pre- use examination of lifting equipment Inspection of lifting equipment
Inspection of lifting equipment
Rigging of various loads Rigging of various loads Safe operating procedures Safe operating procedures
Weight estimation Weight estimation
Load stailit! Load stailit!
Wire rope safet!" inspection and care Wire rope safet!" inspection and care
Safe rigging principles Safe rigging principles
L O L E R
Loler reglation!
"# #ame into effect $th %ec &''()
*rom this date holders must compl! +ith all the all dut! requirements)
$# %efining the terms etc)
I E) &', act means the Health and safet! at +or. act &',)
%# /o +hom and +here)
0 Ships 1erchant Shipping) 0 Slips /rips 2nd *alls)
0 Ris. 2ssessment)
&# #alls upon the emplo!er to ensure that the strength and stailit! are adequate)
L O L E R
Reg(! Cont(d
)# Ever! emplo!er shall reduce to as lo+ as possile"
0 /he load from stri.ing people) 0 Load drifting)
0 *alling)
0 3eing released unintentionall!)
*# Ever! emplo!er shall ensure that"
I)e) equipment for lifting people is clearl! mar.ed)
+) Properl! planned" Properl! supervised and
L O L E R
Reg(! Cont(d
,# /horough examination and inspection)
0 Lifting persons ever! 4 months)
0 2ccessories lifting gear slings hoo.s shac.les 4 months)
0 Lifting equipment" mechanical device capale of raising
or lo+ering a load &5 months)
"# Report and defects)
LI.TING OPERATIONS
APPLICABLE LEGISLATION
0 HE2L/H 7 S2*E/8 2/ W9R6 etc &',)
"
0 12:2GE1E:/ 9* HE2L/H7S2*E/8 2/ W9R6 REG;L2/I9:S &''5)
0 LI*/I:G 9PER2/I9:S 2:% LI*/I:G E<;IP1E:/ REG;L2/I9:S &''()
0 PR9=ISI9: 2:% ;SE 9* W9R6 E<;IP1E:/ REG;L2/I9:S &''5 >21E:%E% &''(?)
LI.TING OPERATIONS
APPLICABLE LEGISLATION
/EALT/ 0 SA.ETY AT 1OR2 et3 ACT ",*&
0 EMPLOYERS RESPONSIBILITIES
$
It shall e the dut! of ever! emplo!er to ensure"as far as is reasonal! practicale" the health" safet! and +elfare at +or. of all his emplo!ees)
0 EMPLOYEES RESPONSIBILITIES
/o ta.e reasonale care for the health and safet! of themselves and others +ho ma! e affected ! their acts or omissions)
the! must co-operate +ith their emplo!ers as far as is necessar! to enale that dut! or requirement to e performed or complied +ith)
:o person shall intentionall! or rec.lessl! interfere +ith or misuse an! equipment provided in the interest of health"safet! or +elfare)
%
LI.TING OPERATIONS
APPLICABLE LEGISLATION
Management O4 /ealth 0 Sa4et5 At 1or6 Reg! ",,$
0 Requires emplo!ers and self emplo!ed persons to assess the ris.s
to +or.ers and an! others +ho ma! e affected ! their underta.ing)
0 Suitale and sufficient ris. assessments should - e carried out ! a competent person"
ensure that all relevant ris.s or ha@ards are addressed" determine the li.elihood of inAur! or harm arising"
ta.e into account an! existing control measures)
0 Emplo!ers +ith five or more emplo!ees must also record the significant findings of that assessment)
0 2ssessment should e revie+ed and if necessar! modified +hen the nature of the +or. or the ph!sical conditions of the +or. place
LI.TING OPERATIONS
APPLICABLE LEGISLATION
Management O4 /ealth 0 Sa4et5 At 1or6 Reg! ",,$ 3ont(d
&
- Identif! the measures that emplo!ers must ta.e in order to
compl! +ith their duties under the applicale health and safet! legislation)
- Generic or BmodelC ris. assessments are acceptale +here similar activities are eing under ta.en in similar places of +or.)
'
LI.TING OPERATIONS
APPLICABLE LEGISLATION
Pro7i!ion And 8!e O4 1or6 E9iment Reg! ",,$
0 Ever! emplo!er shall ensure that +or. equipment is so constructed or adapted as to e suitale for the purpose for +hich it is used or provided)
0 In selecting +or. equipment ever! emplo!er shall have regard to the +or.ing conditions and to the ris.s to the health and safet! of
persons +hich exist in the premises or underta.ing in +hich the +or. equipment is to e used)
0 /he suitailit! of +or. equipment should e addressed from three aspects)
- itDs initial integrit!" - the place +here it +ill e used" - the purpose for +hich it +ill e used)
)
LI.TING OPERATIONS
APPLICABLE LEGISLATION
Pro7i!ion And 8!e O4 1or6 E9iment Reg! ",,$ 3ont(d
0 BsuitaleC means that it must e suitale ! design" construction or adaptation for the +or. it is provided
to do and suitale in ever! respect +hich it is reasonal! foreseeale +ill affect the safet! and health of an! person)
0 E7er5 emlo5er !hall
en!re:-0 /hat +or. equipment is maintained in an efficient state"in
efficient +or.ing order and in good repair"and the +here there is a maintenance log it is .ept up to date)
0 Ris. assessments carried out under the 1HSWR +ill help
emplo!ers to select +or. equipment and assess itDs suitailit! for particular tas.s)
*
LI.TING OPERATIONS
APPLICABLE LEGISLATION
0 /he use of +or. equipment is restricted to those persons given the tas. of using it)
Pro7i!ion And 8!e O4 1or6 E9iment Reg! ",,$ 3ont(d
0 /hat effective measures are ta.en to prevent contact +ith danger-ous parts of machiner!"this includes measures at four levels-fixed enclosing guards"other guards or protection devices"protection appliances and the provision of information)
0 /hat all persons +ho use or supervise the +or. equipment have
availale to them adequate health and safet! information and +here appropriate +ritten instructions pertaining to its use)
0 /hat all persons +ho use +or. equipment have received
adequate training in the methods +hich ma! e adopted +hen
using the +or. equipment; an! ris.s +hich are entailed and
LI.TING OPERATIONS
APPLICABLE LEGISLATION
Manal /andling Oeration! Reg! ",,$
0 1anual handling operations-means an! transporting or supporting of a load ! hand or odil! force - I)e) lifting" pulling" pushing" carr!ing"putting do+n or moving thereof ! hand or odil! force)
0 Each emplo!er shall so far as is reasonal! practicale"avoid the need for his emplo!ee to underta.e an! manual handling at +or.) 0 /he! refer to the manual handling of loads ! human effort as
opposed to mechanical handling ! a crane or other such equipment) 0 2 load in this context must e a discrete moveale oAect ut does
not include an implement" tool or machine +hile in use)
0 /he regulations see. to prevent inAur! to an! part of the od! and as such account should e ta.en of ph!sical properties +hich ma! effect grip or cause direct inAur!)
,
LI.TING OPERATIONS
APPLICABLE LEGISLATION
Manal /andling Oeration! Reg! ",,$ 3ont(d
0 Where it is not reasonal! practicale to avoid the need for the emplo!ee to under ta.e manual handling +hich involves the ris. of inAur!"the emplo!er shall ma.e a suitale and sufficient assess-ment of all such manual handling operations)
0 1anual handling assessment findings must e recorded)
0 /he assessment should e carried out ! a competent person and shall ta.e into account the tas."load"and +or.ing environment) 0 Properl! ased generic assessments are acceptale if the! dra+
dra+ together common threads from a range of roadl! similar manual handling operations)
LI.TING OPERATIONS
APPLICABLE LEGISLATION
Li4ting Oeration! And Li4ting E9iment Reglation! ",,+
0 Reglation#" - #itation and commencement - la!s out scope and timing)
0 Reglation#) - Positioning and installation of equipment to minimise ris.)
0 Reglation#$ - Interpretation - %efinitions
0 Reglation#% - 2pplication - %etails +here and to +hom the regulations appl!)
0 Reglation#& - Strength and stailit! - #alls upon the emplo!er to ensure that the strength and stailit! of
lifting equipment is adequate for use)
0 Reglation#' - /a.es precedence over all other LOLER
regulations +hen lifting of persons is to e carried out)
LI.TING OPERATIONS
LI.TING OPERATIONS
APPLICABLE LEGISLATION
APPLICABLE LEGISLATION
Li4ting Oeration! A
Li4ting Oeration! And Li4ting E9iment Reglation! "nd Li4ting E9iment Reglation! ",,+ 3ont(d,,+ 3ont(d
00 Reglation# Reglation# * * -- 1ar.ing of equipment to 1ar.ing of equipment to reflect SWL)reflect SWL)
00 S3hedle#" S3hedle#" -- Information for report of thorough examination contains Information for report of thorough examination contains a
a list list of of .e! .e! information information +hich +hich must must e e recorded)recorded) 00 Reglation# Reglation# + + -- 9rganisation of lifting operations to 9rganisation of lifting operations to reflectreflect
operational safet!"
operational safet!"adequate supervision adequate supervision and planning)and planning) 00 Reglation# Reglation# , , -- /horough examination and inspection to ensure valid/horough examination and inspection to ensure valid
certification"proper
certification"proper manufacture manufacture and and fitness fitness for for use)use) 00 Reglation#" Reglation#" --Reports and defects places a dut! on the examiner toReports and defects places a dut! on the examiner to
provide
provide a a report report of of examination examination to to emplo!er emplo!er and and HSEHSE in
in certain certain circumstances)circumstances)
00 ReglatReglation#"" ion#"" --6eeping of information to ensure that initial6eeping of information to ensure that initial conformit!
conformit! certificates certificates and and examination examination reportsreports follo+
Mar6ing! illegi=le Ad>!ting 3lt3he! di!torted or 3ra36ed /oo6! di!torted Ma!ter lin6 di!torted Coling 3omonent di!torted or 3ra36ed or in! in!e3re Sa4et5 3at3he! mi!!ing?damaged
C/AIN SLING
INSPECTION POINTS
EYEBOLTS-@BS &$*+
COLLAR EYEBOLT
DYNAMO EYEBOLT EYEBOLT 1IT/ LIN2
S/O8LD BE 8SED .OR ERTICAL LI.TS ONLY
INTENDED .OR GENERAL LI.TING
ARE INTENDED .OR PERMANENT ATTAC/MENT TO /EAY PIECES O. E8IPMENT AND ARE 8S8ALLY .ITTED IN PAIRS
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EYEBOLTS
DYNAMO COLLAR COLLAR 1IT/ LIN2
#
SAME PLANE CORRECT AGAINST PLANE INCORRECT S/IM TO CORRECT ORIENTATIONCORRECT?INCORRECT MET/OD O. SLINGING 1/EN 8SING
PAIRS O. SLINGS
NOTE:- INCREASE IN LOAD ON EYEBOLT 1IT/ INCORRECT MET/OD O. SLINGING#
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SPARRO1S TRAINING PRESENTATION EYEBOLT C/ART
RECOMMENDED S#1#L# LOADS
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SPARRO1S TRAINING PRESENTATION
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SPARRO1S TRAINING PRESENTATION
S8BSTANCE ORGANIC SOLENTS OILS
Net Ro:e ACIDS AL2ALIS @5lene;Tolene;
Material Tri3;Petrol;1hite
S:irit ETC
Natral .i =re! er5 er5 S!3e:ti=le To Atta36 S!3e:ti=le @Manilla0Si!al S!3e:ti=le S!3e:ti=le Be3ome Em=ritled ToAtta36
To Atta36 To Atta36
NYLON S!3e:ti=le /ighl5 /ighl5 Re!i!tant To Atta36 /ighl5
ToAtta36 Re!i!tant Re!i!tant
To Atta36 To Atta36
POLYESTER /ighl5 S!3e:ti=le irtall5 8na44e3ted irtall5
>TERYLENE Re!i!tant ToAtta36 8na44e3ted
To Atta36
POLY /ighl5 /ighl5 S!3e:ti=le To Atta36 NotA44e3ted ET/ELENE Re!i!tant Re!i!tant Parti3larl5 I4 Sol7ent /ot
To Atta36 To Atta36
POLY PROP /ighl5 /ighl5 Atta36ed =5 !ome !ol7ent! Not A44e3ted YLENE Re!i!tant Re!i!tant E#G# 5lene and Tolene
To Atta36 To Atta36
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SA.E 1OR2ING LOADS O. MAN-MADE .IBRE SLINGS
ERTICAL C/O2ER BAS2ET BAS2ET ,F BAS2ET "$F
CAPACITIES
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FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
CHAIN BLOCKS
DISTANCE SUSPENSION LEVEL TO OPERATING LEVEL L92% #H2I: 2:#H9R P9I:/ L92% #H2I: MAIN CHAIN OPERATING LEEL TOP HOOK LOAD HOOK DRAWN-UP DIMENSION RANGE OF LIFT BOTTOM HOOK FULLY EXTENDED DIMENSION/OO2 DISTORTED BODY DAMAGED# COERS MISSING? DAMAGED C/AIN 1ORN;LIN2S BENT;NOTC/ED; CORRODED OR STRETC/ED#ETC /OO2 DISTORTED SA.ETY CATC/ MISSING ? DAMAGED MAR2INGS ILLEGIBLE LEER OR CONTROL DISTORTED SLAC2 ENDSTOP MISSING SA.ETY CATC/ MISSING?DAMAGED
1IRE ROPE /OISTS
STANDARD ROPE /OIST
T1O TYPES O. APPLICATION - LI.TING APPLICATION - P8LLING APPLICATION
CAPACITY O. /OISTS DEPENDING ON APPLICATION S 1 L @LI.TING S 1 L @P8LLING +2G "$2G ")2G $'2G %$2G '2G
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BASIC TYPES OF
BEAM CLAMP
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SPARRO1S TRAINING PRESENTATION
S1L O. T8RNB8C2LES? RIGGING SCRE1S BS &&$, DIA @mm S1L "- %--2G "$ '--2G ") *'-2G $- "#$'t $$ $#-t $* %#-t %- &#-t %% '#-t %, )#-t &$ *#'t &+ "-#-t ') "'#-t )& $-#-t *$ $'#-t *) %-#-t +' &-#-t "-- '-#-t 8#S# .ED# SPEC DIA @in! 1LL %?+ '&'2G "?$ "#--t '?+ "#',t %?& $#%)t *?+ %#$*t " &#''t " "?& )#,-t " "?$ ,#*%t " %?& "$#"%t $ ")#+$t $ "?$ $*#$*t $ %?& %&#-,t
DEE TYPE SHACKLE (With s!"# $i%
BOW TYPE SAFETY SHACKLE (With !'%) *'+t & s,"t. $i%
LOAD LINE CROWN BODY OWNERSHIP IDENTITY BEARING SURFACE PIN THREADED PAN
CHECK THAT SHACKLE HAS NOT /OPENED-UP0 CHECK FOR WEAR
CHECK FOR WEAR AND STRAIGHTNESS CH ECK THAT P IN IS ALWAYS SEATE D AN D IS /MATCHED0 TO BODY CLE ARAN CE P IN 1AW OPENING (GAPE
S/AC2LES
PRE - 8SE INSPECTION
0 Sele3t 3orre3t t5e !ha36le 4or the >o= in hand#
0 Che36 the !a4e or6ing load o4 the !ha36le
=e4ore !e - no S1L
-
9arantine#0 Che36 !ha36le in 4or eH3e!!i7e ear-i4 ear
i! "?"th or more o4 original diameter 9arantine#
0 Ma6e !re the in i! 4ree-=t not loo!e in the taed
hole@! o4 the !ha36le#
0 Thread! on in and !ha36le !hold =e ndamaged and ithot are3ia=le ear#
S/AC2LES
PRE - 8SE INSPECTION
@CONT(D
0 Che36 alignment o4 in hole! - the ntaed hole
!hold not =e orn or o7er!ied#
0 Onl5 roerl5 4itted in! !hall =e !ed in !ha36le!#
0 /ome made or modi4ied !ha36le! m!t ne7er =e !ed#
0 Che36 >a! and in o4 !ha36le 4or di!tortion
#
Che36 =od5 o4 !ha36le 4or itting;3ra36! or 3orro!ion#
0 To te!t !ha36le !!end and ta lightl5 ith a hammer
or the !ha36le in - JSO8NDJ !ha36le! !hold ha7e a K3learJ ring or KingJ
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LOCATION O. ATTAC/MENT TO IB OR /OO2 BLOC2
1EDGE SOC2ET DEAD END O. ROPE STRAIG/T LINE O. P8LL LIE @LOADED PART O. ROPE
1EDGE AND SOC2ET
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SPARRO1S TRAINING PRESENTATION
RECOMMENDED ROPE TERMINATION
TO BS *"))
T/E DEAD END IS LOOPED BAC2 ON ITSEL. 0 SEC8RED
1IT/ A B8LLDOG CLIP 0 SO.T 1IRE AS S/O1N#
A S/ORT SECTION O. ROPE CAN BE ATTAC/ED TO T/E
END O. T/E ROPE 1IT/ A B8LLDOG CLIP AS S/O1N#
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SPARRO1S TRAINING PRESENTATION
1IRE ROPE CLIPS @B8LLDOGS
FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF Ch"2 s#i3"+ '! !"")'4 ' 4'3"4 "%t ,%) #",! Ch"2 $i3't '! #",! Ch"2 th,t h''2 +'s" s '!!"t+. (N' 5,$s H''2 R"+",s" C,4 Ch"2 '! #",! ,%) !,2s Ch"2 th,t R"+",s" L,th '$"!,t"s !""+. <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
G8NNEBO /OO2S
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SPARRO1S TRAINING PRESENTATION
RIG/T AND 1RONG P8LLEY GROOES
1RONG P8LLEY GROOE TOO NARRO1 1RONG P8LLEY GROOE TOO 1IDE RIG/T P8LLEY GROOE CORRECT "$ O. ROPE IS S8PPORTED
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SPARRO1S TRAINING PRESENTATION Angle
o4 4leet
The 4leet angle i! the angle 4ormed =eteen a line dran 4rom the 3entre o4 the lle5 to the 3entre o4 the drm; and a line 4rom the 3entre o4 the lle5 to the in!ide edge o4 the drm 4lange#
Thi! angle !hold not eH3eed "#'Fin the 3a!e o4 !mooth drm!;and $F4or groo7ed drm! to en!re the minimm amont o4 !ide ear o4 roe again!t the ad>a3ent ar in the 3a!e o4 !mooth 4a3ed drm!;and again!t the !ide o4 the groo7e! on groo7ed drm!#
A !a4e angle 3an =e o=tained =5 alloing at lea!t $&4t@*#%m o4 lead 4or ea3h $4t @#*mo4 drm idth hen the lead lle5 i! monted on the 3entre line o4 the drm#
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<<<
SLING ANGLES
F %F )F ,F "$F #' te ea3h !ling #'% te ea3h !ling #'+ te ea3h !ling #* te ea3h !ling "# te ea3h !ling "# TonneThe S1L o4 a air o4 !ingle !ling! de3rea!e! a! the angle =eteen them in3rea!e!# F-S1LS1L o4 one !ling H $ %F-S1LS1L o4 one !ling H $ H #,)) )F-S1LS1L o4 one !ling H $ H #+)) ,F-S1LS1L o4 one !ling H $ H #** "$F-S1LS1L o4 one !ling H $ H #' F-S1LS1L o4 one !ling H $ %F-S1LS1L o4 one !ling H "#,% )F-S1LS1L o4 one !ling H "#*% ,F-S1LS1L o4 one !ling H "#&"& "$F-S1LS1L o4 one !ling onl5#
ROPE BLOC2S
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SPARRO1S TRAINING PRESENTATION
Load on an3horage " tonne Load on an3horage $ tonne Load on an3horage E44ort" tonne "#%%tonne " tonne " tonne " tonne E44ort or ll " tonne E44ort or ll #%% tonne! Load !orted =5 % 4all! o4 roe#
Load on ea3h 4all "?%#%% tonne!
1here eH3e!!i7e manal e44ort i! li6el5 to =e ne3e!!ar5;and other mean! are not a7aila=le;roe =lo36! ma5 =e !ed in 3on>n3tion ith a oer in3h to 3arr5 ot a li4ting oeration#The ll re9ired at the in3h i! determined =5 the ree7ing arrangement! a! !hon =elo#
A eight o4 " tonne !!ended 4rom a hoo6 !=>e3t! the hoo6 to a load o4 one tonne onl5#@!ee 4ig "
I4 a roe a!!e! throgh a =lo36 !!ended 4rom a hoo6 @!ee 4ig $ the roe !ort! the tonne eight on one !ide o4 the lle5 and there i! an e9al ll o4 one tonne on the other !ide#The =lo36 i! !=>e3ted to =oth the eight and the ll @e44ort I#e# a total o4 $ tonne!#
I4 a ta36le 3on!i!ting o4 a do=le and !ingle =lo36 ree7ed together i! !ed to !ort " tonne@!ee 4ig % the load i! e9all5 di!tri=ted o7er the three 4all!: I#e# the ten!ion in ea3h 4all #%%tonne!# Sin3e the ten!ion on the oerating roe m!t e9al the ten!ion in ea3h 4all;the e44ort re9ired to rai!e the load ill al!o =e#%%tonne!#It 3an =e !aid that i4 more 4all! are !ed;the roe ten!ion and e44ort re9ired to rai!e the load ill =e red3ed#
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SPARRO1S TRAINING PRESENTATION
ROPE BLOC2S
CONT(D
/O1EER;IN CALC8LATING T/E E..ORT RE8IRED TO LI.T T/E LOAD AND T/E LOAD APPLIED AT T/E ANC/ORAGE;AN ALLO1ANCE M8ST BE MADE .OR .RICTION# IT /AS BEEN .O8ND BY EPERIMENT T/AT I. "O. T/E LOAD IS ADDED .OR EAC/ S/EAE 8SED;T/IS 1ILL ADE8ATELY COMPENSATE .OR T/E 1EIG/TO. T/E TAC2LE 8SED AND T/E .RICTION IN T/E S/EAES#T/E TOTAL LOAD ON T/E S8PPORT MAY BE CALC8LATED BY ADDING A "th O. T/E 1EIG/T O. T/E LOAD BEING LI.TED AND T/E E..ORT ON T/E OPERATING ROPE TO T/E LOAD#
LOAD TO BE LI.TED "# TONNE
ALLO1ANCE "?" O. LOAD .OR EAC/ O. & S/EAES "?" O. " TONNE &
#"& #&TONNES
LOAD PL8S ALLO1ANCE "#& TONNES
E..ORT LOAD PL8S ALLO1ANCE DIIDED BY N8MBER
O. RET8RNS "#& TONNES DIIDED BY & #%' TONNES 1EIG/T ON S8PPORTING STR8CT8RE
LOAD ALLO1ANCE E..ORT "#*' TONNES
" TONNE
E..ORT OR LINE P8LL
TABLE LOADINGS
ARRANGEMENT SINGLE $ SINGLE DO8BLE AND
SINGLE $ DO8BLE $ TREBLE DO8BLE AND
TREBLE T/E .IG8RE AGAINST
T/E BLOC2 INDICATES T/E N8MBER O. S/EAES MEC/ANICAL ADANTAGE LOAD @TONNES ALLO1ANCE O. " PER S/EAE E..ORT LOAD ALLO1ANCE 1EIG/T ON ANC/ORAGE LOAD ALLO1ANCE E..ORT "TO " "# #" "#" $#" "# "# "# "# "# #$ #% #& #' #) %TO "
$TO " &TO" 'TO " )TO"
#) #&% #%' #% #$*
"#+ "#*% "#*' "#+ "#+*
The re3eding ta=le !hall =e !ed to 4ind the e44ort re9ired on the oerating roe and the load on the !ort#The ta=le i! =a!ed on 3al3lation! 4or li4ting " tonne#1hen li4ting an5 eight other than "tonne;mltil5 the aroriate 4igre in the ta=le =5 the eight to =e li4ted in tonne!#EHamle:To 4ind the e44ort re9ired and load on !ort;!ing and tre=le =lo36! to li4t * tonne!#
Pll or e44ort 4or " tonne li4t #% tonne!
So 4or a * tonne li4t;e44ort #% H * $#" tonne! Load on !ort 4or " tonne "#+ tonne!
So 4or a * tonne li4t#load on !ort "#+ H * "$#) tonne!#
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T/E .OLLO1ING C/ART INDICATES T/E .ACTOR TO BE M8LTIPLIED BY T/E LINE P8LL TO OBTAIN T/E
TOTAL LOAD ON T/E BLOC2#
ANGLE .ACTOR M8LTIPLIERS
ANGLE .ACTOR ANGLE .ACTOR $# " "#$, " "#,, "" "#"' $ "#,* "$ "# % "#,% "% #+& & "#+* "%' #*) &' "#+& "& #)+ ' "#+" "' #'$ ) "#*% ") #%' * "#)& "* #"* + "#'% "+ # , "#&" ---
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&' 2GS
" 2g!
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.8RT/ER EAMPLES T/AT S/O1
INCREASED LOADING E..ECTS ON ROPES
S8ITABLE TIMBER PAC2ING
S8ITABLE TIMBER PAC2ING
A roe do=led rond a !ha36le or !imilar !mall
diameter 3onne3tion i! onl5 a! !trong a! the !ingle roe The S1L 4or thi! 3ondition 3an =e ta6en 4romta=le to !ingle !ling ree7ed
A roe do=led rond an alian3e or load ith a diameter@D e9al to at lea!t ) time! the roe diameter ill 3arr5 a load; on ea3h leg;e9al to the S1L o4 a !ingle 4all#
Thi! method i! not re3ommended 4or general li4ting; =t ma5 =e !ed 4or light load! !3h a! la3ing =lo36!# The roe ill onl5 3arr5 hal4 it(! normal load =e3a!e o4 do=ling throgh the e5e#
An endle!! !ling ree7ed ith a 3ho6e angle to "$ill 3arr5 ti3e the load o4 a !ingle !ling ree7ed#