I n tern ati o n al I N TE R N ATI O N AL O RG AN I ZATI ON FOR S TAN D AR D I Z ATI O N ~ M E ) t( ~ YH AP O ~ H AR N o n - cal i brated Sl i n g s Ch n es de Secon d U DC - fevag e rou n d U se n on ed i ti o n - S tan d ard an d ca/i br&e s en O P rAH M AU M R ste e l I - I O C TAH C I AP TM A~ M M O R G AN I S ATI O N link l i fti n g : l i fti n g an d DE N O f’ Wl ALI S ATI ON ch n m n te n an ce aci e r ron d et h l i n g u es ch a?n es - U ti i i sati o n et en treti en 864245 Ref 621 86 061 D e scri pto rs , ch n I N TE R N ATI O N ALE e q u i pm e n t, ch n s, h o i s ti n g Sl i n g s, u ti l i z ati o n , N o I SO 0564986 (E ) m n te n an ce P ri ce bas ed on pag e s Fo reword I SO ( th e n ati o n al I n te rn ati o n al S tan d ard s S tan d ard s bo d y th e is n o rm al l y i n te re s te d ri g h t m e n tal D raft to an d m em ber th e I SO l e as t 75 be Th i s l ate s t Th ey e d i ti o n n o te e d i ti o n , in th at S wi tze rl an d ad o p te d by b e fo re 3056 l i fti n g in was al s o te ch n i cal acce ptan ce wi th fe d e rati o n p re pari n g co m m i tte es h as p art in co m m i ttee s th e are I n te rn ati o n al I SO m em ber e s tabl i s h e d o rg an i z ati o n s , take as E s ch been of I n te rn ati o n al h as g o ve rn - wo rk ci rcu l ate d to S tan d ard s by pro ce d u re s re q u i ri n g at vo ti n g p re p are d re p l ace s of I n te rn ati o n al acco rd an ce an d a wo rl d wi d e co m m i ttee I S O, th e th e i r bo d i e s h ooks an d wi th is wo rk te ch n i cal co m m i ttee l i s o n m e m be r I SO Th e by Te ch n i cal C o m m i ttee I S O/TC 1 , acce sso ri e s th e fi rs t e d i ti o n (I SO - 4) , of wh i ch it re vi s i o n th at re fe re n ce u n l ess in bod i es) a te ch n i cal ap p ro ve d th e can ce l s a te ch n i cal an y are S tan d ard i z ati o n ) th ro u g h wh i ch ap pro val I SO ch n s, I n tern ati on al P ri n te d by S tan d ard link sh ou l d th at fo r app ro val s e co n d U s e rs ou t on S tan d ard s fo r m em ber fo r re p re s e n te d bo d i e s ste e l co n s ti tu te s carri e d a s u bj e ct C o u n ci l % (I SO n o n - g o ve rn m e n tal , I n te rn ati o n al Rou n d an d in I n te rn ati o n al th e O rg an i z ati o n bo d i e s al l I n te rn ati o n al m ad e o th e rwi s e Org an kati on h e re i n S tan d ard s to an y o th e r u n d e rg o s tate d for Stan d ard kati on , re vi s i o n I n te rn ati o n al 986 fro m S tan d ard ti m e to ti m e i m pl i e s i ts I N TE RN ATI ON AL STAN D ARD N o n - cal i brated Sl i n g s - Scope ro u n d U se an d I SO fi el d an d of stee l link l i fti n g ch rvan d I n te rn ati o n al u se, i n s pe cti o n , cal i b rate d , S tan d ard appl i cati on ro u n d m an u factu re d I SO 3075, 3 s h o rt link acco rd an ce 76 , a guide m n te n an ce s te e l , in I SO co n s ti tu te s te s ti n g , I SO ch n s an d to an d wi th 4778 co m pe te n t an d I SO I SO th e of ch n 834, n on - o u t N OTE - Li fti n g l o cal l aws ch n s an d an d ch n Sl i n g s (See be g o ve rn e d by A p racti cal to e n abl e cl au s e d e s i g n ate d e xpe ri e n ce , th e re q u i re d p e rs o n , an d wi th q u al i fi e d th e e xam i n ati o n s to by n e ce s s ary be carri e d ) 835, fre q u e n t or i n s pe cti o n o th e r R e g u l ar : d e s i g n ate d vi s u al i n s pe cti o n by th e pe rs o n n e l n ati o n al re g u l ati o n s pe ri o d i c P e te n t bas i s ch n S l i n g s, I SO 75 3 m ay p e rs o n : an d i n s tru cti o n s s e l e cti o n , re p r O p e rato r an d (E ) m n ten an ce kn o wl e d g e Th i s 56- 986 i n s pe cti o n : pe rs o n , fo r a of wh i ch co n ti n u i n g Th o ro u g h re co rd s e xam i n ati o n sh ou l d be m ad e to by a co m - pro vi d e th e e val u ati o n Referen ces I SO 83 4, d i ti on s I SO Sh o rt of accep 835, Sh o rt n o n - cal i bra ted , I SO Sh ort 3075, n on - cal i bra I SO 3076, n on - cal i bra ted , link link fo r for l i fti n g pu rposes - G e n eral - ch n ch n link fo r Sh o rt ted , ch n tan ce ch n ch n link for for l i fti n g Sl i n g s, for ch n - G rad e l i fti n g pu rpo ses - G rad e S6 ) , etc fo r l i fti n g Sl i n g s, pu rpose s - 4778, S(6) an d I SO G rad e Th e pri n ci pl e s Sl i n g s fo r e q u al n o m i n al T( ) Sl i n g s of - 8539, Ch n Sl i n g s G rad e T( 8) Forg ed ste el wel d ed co n stru cti o n assem bl e d - G rad e to u se, 4 re l ate i e Sl i n g s to th e h avi n g s e l e cti o n of b ran ch e s of re s ch by m eth od s oth er co m pon en ts ch n for u se wi th Wo rki n g l o ad M ( 4) , th an Th e wo rki n g th e m axi m u m sam e as th e l e ss th an l o ad of l o ad th e to wo rki n g th e Sl i ng be l o ad wo rki n g s e l e cte d I i fte d limit l o ad Th i s ( WLL) limit s h al l b e at wo rki n g in n o rm al u n d er l e as t l o ad e q u al wi l l to th e ci rcu m s tan ce s ce rtai n co n d i ti o n s Wo rki n g l o ad limit G e n e ral D efi n i ti o n s Th e wo rki n g l o ad limit i s m arke d on th e Sl i n g an d i s d e te rm i n e d (sec ) ; bY wo rki n g Sl i n g be g rad e in p u rp o s e T8) , or l i fti n g o u tl i n e d g e n e ral etc T(8 ) 7593, we l d i n g I SO C h n sel ecti on G e n e ral I SO Sl i n g M ( 4) , etc Sl i n g s, ch n pu rposes C h n i s d esi g n ed 32 sh ou l d wo rki n g be u sed l o ad to l o ad to limit s u s tai n ( WL) : s u s tai n ( WLL) in Th e in a : Th e g e n e ral m axi m u m m as s wh i ch a S e rvi ce m axi m u m p arti cu l ar m ass s tate d wh i ch S e rvi ce a) th e si ze an d b) th e g e o m e try c) th e m e th o d g rad e of of th e ch n Sl i n g s e l e cte d ( s e e ) ; a Sl i n g of rati n g ( s e e ) I SO 564986 S i ze (E ) an d g rad e of ch n s e l e cte d (see tabl e an d , ) in twe e n It wi l l fro m M si ze n o te d to tan Sl i n g th e be S be wi l l s am e to th at T, u sed h ave as ch n to twi ce th e Sl i n g s ach i e ve th e g rad e of of s e l e cte d pro g re s s i ve l y e q u i val e n t wo rki n g ch n l o ad s m al l er s tre n g th , limit of i n cre as e s e g a g rad e a g rad e an g l e s I SO n o m i n al M Sl i ng tan to 4778 an g l e T of G e o m e try of th e Sl i n g By g e o m e try of th e Sl i ng i s m e an t th e n u m be r o f ch n m u l ti - bran ch an g l e (sec th at Th e ve rti cal to b ran ch e s , u se in tab l e th e ) perm i s si bl e of Sl i n g Sl i n g s) not th e of in a an y at an g l e s th e p arti cu l ar be b ran ch g re ate r th an beor in i n cl u d e d l o ad i n g sh ou l d g re ate r an g l e an g l e s d e s cri be d g re ate r l o ad S i tu ati o n bran ch e s an g l e s Th e as pe rm i s s i bl e l o ad i n g ( i n cl u d e d is th e i n cl u d e d I n cl u d e d as s e s s e d l o we r E s ch th e ve rti cal be e xce e d i n g fi g u re th e Sl i n g s, th e sh ou l d as i l l u s trate d wi th o u t fo u r- b ran ch b ran ch e s of th e ve rti cal b e twe e n ce e d e d th e or an d bran ch e s si ze cas e th e carry e n s u re th e th em Sl i n g in th e ch e cke d is not th an ‘ ° fo r 60° two - to e xto or re co m m e n d e d fo rte Lo ad Th e not h atch e d be are a i n d i cate s i n cl u d e d an g l e s b e twe e n bran ch e s of P g re ate r th an 20° (60° to th e an g l e fo r ve rti cal ) at wh i ch u sed Fi g u re ‘l - Vari ati o n of Sl i n g b ran ch l o ad i n g wi th bran ch a g i ve n l o ad P an g l e s Sl i ng s sh ou l d I SO Tabl e - G rad e s of s h o rt c link ch n d esi g n ed fo r u se in ch n 0564986 (E l Sl i n g s M ean Rel evan t G rad e at I SO Stan d ard M (4) I SO S(6) I SO T(8) I SO wo rki n g limit I n tern ati on al M Pa M ean stre s s at l oad stre s s proof ( WLL) M e an forte stre ss bre aki n g ( F, ) MPa (N /m m * ) at minimum forte ( Fm ) M Pa (N /m m * ) Rati o Fm : WLL (N /m m * ) 00 200 40 4: l 75 7, 31 63 4: l 076 200 40 80 4: l 835 Tabl e - Facto rs fo r wo rki n g l o ad l i m i ts cal cu l ate d u si n g u n i fo rm An g l e N u m ber of of m e th o d An g l e to Factor i n cl i n ati o n Sl i n g s l o ad bran ch es th e fo r ve rti cal WLL CY ß 90 - - ,I- o" to 9o" to 20° o” to 45O ,4 60° 45O Zl 9o ” 45 O to - o” to - - 45O to 60° ,5 o” to o” to 20° o” to 45 O Zl o” 45O to 60° ,5 I SO 30564986 M e th o d (El of Th e rati n g to R ati n g wi th a sym m etri cal l y d i s tri b u te d l o ad fo rm u l ae th e th o s e th e Th e re l i m i t, are two th e D e tai l s m e th o d s u n i fo rm of b o th of l o ad rati n g m e th o d m e th o d s are to d e te rm i n e an d th e g i ve n th e wo rki n g tri g o n o m e tri c in I SO th at on l y 4778 an d l o ad cas e s be - It is ad o pte d stro n g l y in an y re co m m e n d e d g i ve n prem i ses wh e re on e Sl i n g s of are Tabl e S h o ws l o ad th e limit facto rs of to be app l i e d m u l ti - bran ch fo r Sl i n g s by I SO cal cu l ate d u si n g D ou bl e th e b ran ch WLL = m e th o d , fo l l o wi n g Sl i ng x th e cal cu l ati n g th e Wo rki n g an d WLL N OTE - take n In to of Si n g l e on al l th e x th e l o ad l o ad limit of WLL a Si n g l e Th e wo rki n g x As co s p bran ch be Sl i ng x Sl i n g , if of Si n g l e I SO of 78 If it l o ad an d 7593 R ati n g i s kn o wn be a h i g h er i ty of ß, th e i s th e wi th th at x in as su ch m easu res l o ad are be twe e n su ppo rti n g avo i d e d th e l o ad l o ad be base d ci rcu m stan ces, l o ad , i e s m al l es t of If th e Sl i n g 5) , th e th e fo r parti cu l ar i s l i kel y bran ch b ran ch ( s e e fi g u re h as th e to to are d i s tri bu te d ti l t wh e n n e are s t wh e re an g l e s to th e an g l e in l o ad l i fte d , th e g i ve n be fo l l o wi n g Wh e re l o ad ß m ax th e re of to ve rti cal , th e g rav- u n d er rati n g th e s e facto rs ci rcu m stan ce s sh ou l d be WLL fo r (sec th re e - WLL fo r an d Sl i n g = WLL fo u r- b ran ch ß m ax 60° d o u bl e - b ran ch fo r Si ng l e b ran ch th re e - Aci d i c 4 x fo r a wo rki n g o u tl i n e d l o ad in 4 co n d i ti o n s ch n th e of Th i s l o ad S(6) is Sl i n g s Sl i n g to T( ) - 40 in to m an u factu re r not O C an d u sed sh ou l d be be wo rki n g in tabl e b e ad ve rs e no at by bu t sh ou l d th e n e ce s s ary be take practi ce on wi l l S e rvi ce to be re ach e d i s i n d i cate d th e re fo re are in take n i n vo l ve d an d d o wn limit tan te m pe ratu re ch n M ( 4) , be d i ffi cu l t te m pe ratu re of attai n s sh ou l d wh i ch is i n cre as i n g g rad e s ch n Sl i ng C are re d u cti o n on th i s ac- te m pe ratu re s co n s u l te d co n d i ti o n s Sl i n g s fu m e s S(6) i m m e rse d Atte n ti o n is i n vo l ve g rad e s S(6) be an d T( ) m an u factu re d e i th e r of Sl i n g s Si n g l e = ,4 4 bran ch x WLL of C h n to in T( ) g rad e s aci d d rawn aci d i c or to th e o r T( ) fo r or fact th at an d fu m e s s o l u ti o n s Sl i n g s S(6) s o l u ti o n s I i fti n g in sh ou l d e xp o s e d ce rtai n an d th e s e n ot to be aci d pro d u cti o n th at th e u se ci rcu m s tan ce s avo i d e d an d Sl i ng s th e Sl i n g = WLL fo u r- b ran ch of Si n g l e Sl i n g s = bran ch WLL a) of th e th an 50 th e of g rad e th e % of Sl i n g c) th e Sl i ng = WLL of Si n g l e M ( 4) of l o ad th e u sed of s u ch be in aci d i c co n d i ti o n s , re co m m e n d ati o n s sh ou l d a Sl i ng l o ad sh ou l d be not fro m th e ad o p te d : be g re ate r l i m i t; th o ro u g h l y was h e d in cl e an wate r u se; sh ou l d p e rs o n be pre cau ti o n s wo rki n g sh ou l d afte r Sl i n g m ay s peci fi c fo l l o wi n g wo rki n g i m m e d i atel y 60°: d o u b l e - b ran ch M ( 4) ab s e n ce m an u factu re r, : m e th o d < G rad e in be g i ve n e ach d ay a th o ro u g h b e fo re u se e xam i n ati o n (sec cl au s e by a 6) b ran ch 4 fo r b ran ch - th re e x Th e re co m m e n d e d to co s p , a, WLL N OTE S e rvi ce O C , th e co m pe te n t WLL a te m p e ratu re s G rad e s b) Tri g o n o m e tri e ß m ax re d u ce d te m pe ratu re g rad e s wo rki n g -40 bu t, WLL Wh e re be d e cre as e s of of by pro ce s s e s appl i e d : bran ch < co n - 45 O : d o u bl e - b ran ch 45 O in vari o u s be l o w wh i ch e ffe ct Sl i n g s sh ou l d fo r Wh e re be e n vi ro n m e n ts re co m m e n d ati o n s m axi m u m Wh e re C h n 2) u sed WLL Si n g l e to sh ou l d wi l l ce n tre m e th o d < th e co u n t of U n i fo rm ad ve rs e l o w- te m pe ratu re Sl i n g Th e th e u sed cl au s e in sh ou l d th e s tre n g th th e l y affe cte d as ym m etri cal l y l o ad in an d u n d e re s ti m ati o n e ach cosp l i m i ts an th e te n s i o n limit wi th i ts of C h n s bran ch wo rki n g I SO limit te m p e ratu re ch n fro m Tabl es l o ad High- th e th e prope r th e co n si d e re d m ay, C O@ fo rm u l a: a to 4 acco u n t d i stri bu ti o n m ay fo u r- bran ch of l o ad acco rd an ce : fo u r- bran ch e q u al bran ch es a n ot an g l e s is ’ b ran ch Sl i n g s of of th e fo l l o wi n g x WLL case fou r rati n g fo u r- b ran ch be twe e n pe rs o n an g l e s an d : WLL ach i eve bran ch , Th e = d i ffe re n te s a co m pe te n t wh i ch 2) G e n e ral i n cre as e s , Th re e - cas e s , in fi g u re th e u n i fo rm wo rki n g fo rm u l ae : e xtre m e cas e s u se to tri g o n o m e tri c to (see m e th o d s in th e s u ch re l ate d i ssi m i l ar 75 m e th o d Fo r in on l y to o s u l te d 4 wo rki n g n ot m e th o d th e se in abo ve are i n vo l vi n g ve rti cal , 4 N OTE g i ve n ve rti cal an d fo u r- bran ch Sl i n g s = WLL of Si n g l e th s u bj e cte d l er co n d i ti to attack on s in ( ch e m wh i ch i cal , th e Sl i n g abra s i ve , is l i ke l y to be e tc ) co sß , a, u se of a Sl i n g wh e re an y an g l e p excee d s 60 ° is n ot Th e m an u factu re r d i ti o n s app l y of th e Sl i n g sh ou l d be co n s u I te d i f s u ch co n - - I SO 0564986 (El ’ te n s i o n bran ch ßl = Am Fi g u re Tabl e - - Asym m etri e Wo rki n g l o ad as a l o ad i n g fu n cti o n Tem peratu re, - 4o