MARINE
LIFTING
(--
OPERATIONS
and
Exec Execut ut on of ar ne Oper Operat at ons, ons, de ided ided by the Board of ct Norske Norske Veri Verita ta Clas Classi sifi fica cati tion on AlS of Dece Decemb mber er Standard
fo
ns
rr
Su ve
Operations.
1s of
uary uary 19 6.
corr corr ctio ctions ns pres presen ente te User User current.
es Printed in
Det Non. Non.ke ke Vcri Vcrila la on i V c l a Janwry 1996 De N on
re advi advise se
to
nt
pe
revised
in th
ntro ntrodu duct ct on book book et
or
ns
1996 Page 30(22
January
n&
CONTENTS 1.
4.1
DESIGN CONDITIONS 4.1.2 4.1.3 4.1.4 4.1.5
2 W r f 1.3. Documentatio
16
Load Lift points
16
Lifting Lifted
4.1. .8S
s a d g ay dow arrangements
4.2.1 4.2.:'
:2.1.3 Specia load 2.::!
2.
5.1
CRAl~E
RANE VESSEL
18
e d
5.2.2 Lifting
19 f s
LIFTIN
EQUIPl\fEN 2
3.1.1 Minimum
L 1 W 2 S 3 D
3.
f s
5 A
3.1.6
3.1. s a d g e w
.. -'_3~i,
Marine Operatioes t. Ch ftin
January 1996
6.4.1 Lift
6.5.1
6.5.2
Figure List Figure Determinatio Tabl
of SICL..
is - S 1 -
n f
Orr
NO
KE VE
AS
January 1996
Pt.2 Ch.S Lifting
1.
Page
NTRO UCTION
.1
li
Grommet: Lifting: structur
io
recommendation
fo
in iv if id el controlled liftin operations
Liftin
ce
mean lift planned, prepared and accordin to requirements in Pt Ch.2. i.e. speaaIIy prepared and documented. performed
ce
j ec t v e t o t h c ha pt e i s t o v e r e u ir e e nt s guidance fo liftin In ::."apter ma be used together with Pt.2 Ch.6
structure or parts
ec
padeyes or padear/trunnions
an
Li ft main plat
\I,
each side
in to
Pt
Temporary installed equipmen uc heaves prea er b e a m s or frames
Lif points
te
The p r
equipment
Lifted object lifting.
ot
In this context "WeD-'controiled
id
by crane(s)
as slings shackles ar to
edin id
Endless sling.
at
cs.
ig in ic frames.
2.
rrange ru in
es
spreader b e a m s or
Shackle:
.2 DE INITIO 1.2.
ha kl
Skew load factor: loadin ling caused ef ec inac th ta ie it es ct to fo ce distribution in th riggin arrangement.
enninology t.0
h.I.
chapter are repealed below.
Sling:
Bobbin:
Sp ad
Cable laid grommet:
beam ra
be end.
avoi
horizo ta
to
load to th lifted object
Ca le laid sling:
stranded
object.
with
es
fact
yn
ic amplific ii
the global lifting. 1be
Trunnion:
be
ic
th
such
facto
ts
ly ex er
Static Load)/ Static Load Fi re in ..-Slings made fibres.
R.
that
le is
ed
Rules fo Marine Operations Pt.2 h. Lifting
J a n u a r y 19%
Pa&e' 1.2.
mbol
The list belo
1.3 I\USCELLANEOUS
define symbols used in this
hapter
.3.1 Planning A:
DAF: DHL:
om ro on Centre of gravity. ending diam te of stings Dynami amplificatio factor oo oad.
ng
pera on ph
DH1..;: E: ..
1.3.1.1 Pl
i.
1.3.
Di me er of sling. Young' modulus.
P: SKI..:
xi dy Additional hook load
d.
SK SPL: SSCY:
we he criteria in Pt.
oa
or se 2.3.2.
W:
W~
Weight of rigging/ ifting We of rigg ng
nd ng
o.
caused on
ol
gth.
Av
"f
uc
du
Consequenc
bend
factor
YOcoip
supportin
structures
Yr:
Load factor.
Y.
Material factor ul ng redu bending. du
"fal:
om Wear factor
du to sp ic ng or ue
fe
or
gs
be provided,
start
ho be acceptable accord ng to Ch.2 Sec.
should be described by drawings calculations an procedures manual covering tbe re evan aspe ts of the liftin operation should be prepared.
~:
" f lo '
du
1.3.3.1 The li fling operation
equipment.
ng
pp
1.3.3 Documentation
Maximum. theoretica part of total load at hook DO. oG xt po n. Average strain
t:
eather forecast
1.3.2.2 In
Specia loads, se 2.1.3. Semi-submersible cran vessel Safe work ng oad. Object weight
< X .c a
ft
Pt.
ul va th op ration shou Sec.
inimum breaking load om na dy ng Skew oa factor Glob
ns fo ui
at
S}(4: S~:
wi
1.3.2.1 Arrangements fo re eiving weathe forecast
F(SP },
MBL:
nd ho give
1.3.3.2
efor st rt of liftin oper tion weight nd reports, certificates, test reports, releas note classifica io do um nt fo equipmen cr ne an vessel involved should as applicable presented.
_-
January
Rule fo Marin Operation Pt.2 Ch.S Lifti"2
2. .1.1
ig
2.1.1.1 Th ch racteristi
an
DY
1996
O AD S
ntre of gravit
bjec eigh (W) eigh defi ed in Pt.
2.2.1.1
ll lifts are
to
Ch.3 Sec,3.5. je
2.1.1.2
Inaccuracies in CoG position should be Pt. Ch,3
2.2.1.2 si nifica tl
Sec. 3.5.
oG shifts an possible Co
eigh inaccuracy
3.
3.
id ot Geometry change du to CoG uncertaintJes for unconventional rigging arrangements Inl"iuenc :t'.e d e g n ds ge ng al th be considered.
Guidance
Note T o s i p li f p ur ch as in g a n design of lifting equipment, itmg pomts etc. slin fader, b as e o n the wetght i1ac;:Qracy envelope study, ar often used. The assumptions f O l ' this factOf e.g. Co within envelope an weigh wiINl assumed contingencies, must be confirmed.
ig
as;
appliances.
case
an hydrodynamic effects, se also Pt.
Ch,6.
of ri:ging
2.1.2.1 t,
uc
he global yn mi load houl be acco nted fo ta in proper acco nt of thes para eter as applicable see also 2.2.2.
hydrostati .1.2
be
ic by pa ameter
th environmenta conditions riggin arrangement type of cran vessel stiffnes of crane-boom and liftin type of ca go vessel. weight of lifted object fting procedure in air or water.
2.1.1.3
ti actor,
influe ce
.e
is th tota weight s u c h as
an FOf lifting in waters addibooallocal dynami effect ma become govemtng fO design of V 1 I i n g equqxnent elements Such effect the oo;ect initiated by could be loca sling dynamics waves.
2.1.2.2
rane
also
eigh of book blocks part of W",
2.2.2
amplificatio
factor
2.2.2.1
Guidance Note This is most relevant f O l ' cranes witt severa crane rigging conftguratioos typicaJIy fa" onshoce C«IWIer cranes.
be
if (DAF),
.. should be 2.1.2.3 li load, but need to be considered fo elements belo each part of the rigging.
be
established based 2.2.1.
.1.3 Sp ia load 2.1.3.1 (SPL should be maC.e., loads, guid loads, ,.in hydrostatic loads, etc,
Dynami
loads Specia load ma be tugger line load hydr dynami an
Guid4lnc Note The dynamic a d m a be c a e gO Os e a s environmental loads (E loads) se Pt. Ch.3 Sec. 1. Appr<>pnateload factors accordin to Pr.f Ch.4 Tabl 3.1 ay be considered when calculating the dynami hook load.
2.2.2.3 operatio
DE
NORSKE VERITA
io manual se also Pl.
Ch.2
ec
ie
in
in
January 1996 Pace of 22
2.2.2.4
.sh
In
OAF DOt
Table 2.1
take plac
uidanc
unde
ay be considered as minimum
advers
ling or lift points have excessiv
gfr ma
in
be used
normaJty
Am
, 1
DAF
DAF
1.10
1.15
1.30
lOO-lOOOt
1.05
1.10
--1.20
lOOO-25OOt
1.05
>2500t
1.05
steel slings are used,
length
ithi
2.3.1.1 en an ab ai ie riggin arrangement
distribution should be considered
slin
length
tolerances
pecified in acceptable.
.3 ti ll er te in li tota slin an padeye tolerances within th requirements specifie in 3.1.4.2. SKl...J of 1.25 is normall acceptable. ti ec
er
er ce istr
io
th
te iv 2.3.2.6 calculated in accordance
to SKl..u it 2.3.2.7.
irec calculatio of th SKI..., that te ed
length inaccuracies
fabricatio tolerances of lift points mult book lifting.
relative difference betwee th slin load will decrease. il te Figure 2.1. Th load
elongation
SKI...,.
It be carefull
ed
ma
au
evaluate er
if th planne load
ts than
2.3.1.2.
co
th
io
lo
furthe
DE
ed
ct
ic
th
tolerances when skew load calculations ar performed. !be ic ll et in li la iv ig ec In Eq. 2-1
tl ed
ithi
1.1 is normall
2.3.2.7
li in
2.3.2.7.
th tolerances specifie 'ln 3.1.4.2 SKI..., If th slings are no matched, 3.1.4.2, the
3.1.4.2.
slin
set!
Onshore
bars an
slin
tolerances
Guidance Note 60 de .. see 2.3.2.7. an utilisations less than 0. th skew load effect du to slin length tolerances should be calculated In each case
actors
Static
Load
fabricatio
co ditions.
Note
acJe
at
NORSKE VERITA
if
je
is
te
if
refinement th object flexibilit an possible take into account.
io
January
1m
used
approximatel arrangement.
do bl
ymmetric single slin
considered fo mult hOOKlifts. The ay el iv it Th tu
an
SKl...u
ti
Eq.2-1
lifting procedure.
where ;:
in (n skew load as umed).
.3 DH
2.3.3.3 incr
N.
in
in
1.05 is sufficient angles at loads reater ya
4 d /4
in
SKLy, co
to
ti
to
it
ma
effect factor coul
in tu er in appropriate.
based
define
above.
al ible
at e. £0
d an c te Fo liftin wrth grom ets. th slin t ot a l in g r os s s ec t o na l a r i.
Detenninatio
ure
ca as
io
tole
tota tolerance. slin
length
area shcx.l be s u o f o t parts.
horizontal axis,
th
should be based ig eran plumb.
ib
lt ca b: maximum hoist line deviations from
Guidance Note Fo liftJngWIt crane vessels the t i f f f ac t ay or al be caJculated fo v es se l 3° wnen the r a e s r e o n t h s a an fo t il t O wt ' th ra es re s ep ar at e vessels (hoist lin deviation included)
of SKL
SKI..
2.3.3.5
20
than
im ar hooks need to
io ib ti specially considered
tw en th also 6.2.4.1.
1.0
2.3.4.1
both part ca
an should 2.3.4.2
skl
co
Equal
does no involv upending/tilting (e.g. rotation of th slings over fixed im la af th in Are part have th same axia tiffne s.
load in sill! ao.oerage S'lrain in sling (ela ogoOa r'sWog 1engItt) to
occu
r~
Ic6er.n:e in sing di:aQcnall
that
in lv
in /t ti
sIroin in sling
as umin loads fo multi-hoo
tw maximu
th arts ld possible slin fricti
coefficien
lifts
dry coef icient values should be co sidere -ith
higher ea
DE
NORSKE VERITA
rictio
ul
1996
January
Pa&e
fo Marine Operati ns
t.
0(22
2.3.4.4
he doub ling on is ling th oa distribu io shou ns ng maximu slin modulus.
h.
ftin
2.4.2.2
of wo para le calculated di
W)
Uc
ric)
Eq.2-3 where um
2.3.5.1
Differ nt slin longation. ling ng to er nces an if poin fabr cation to er nc coul
rt
ot on
ho
:F
"i
he oG he oa ling will then in re se In this -cue should estimated.
2.
AD
ND
_.2.4.2.3 The basi loadcase fo
factor
AL
calculated as ho specia oads
OR
2.4.2.4 In
lift should normally
nd ut ng ac elemen
find ma.x.imumdynami
forces fo each elemen (~.g. sling, lift points supporting ru accordin be dj on ~.4.2.3 J. relevant skew load effect as de cr be
2.4.1.1
oadcas bu equenc of diff rent loadcases. Uncertaintie with respec to internal forc distribution sk oads dyna ics, poss bl ccid nt lo ds etc. will introduce further complications.
de
nd
defined
2.4.1.2
will
In pr nc pl
he nt re if in sequen should tep-by-s ep nd he os cr ti al lo dc se be onsidere fo ea specif memb houl be id nt fi d. Ho ev r, for most ua describe 2.4.2 nd th dd tionallo dc .s 2.4.3.
2.4.1.3
Fo
if in
pe analysed. uidanc
op ra ions ha
accordingly. oa ombination convenbonaI
shcxAd
four slin
lift the following tw
(skew)
load case
considered:
Note
Th
Specia cons deration will be ne essary fo liftin operations in pe on Pt.2 Ch.6 Basic loadcase an
2.4.2.1
Fo sing
DHL
DAF (W
forc distribution
book lifts, th dynami nc).
maximu
dynami
forces calculated
stru tura co ponents, th maxi um dynami multiplied by th ppropriate de ig should given in Table 4. J.
forc fa to
2.4.2.7
hook load
IS
F(SPL)
yn mr
mplifi at on factor see see J . Rigging weight see 2. J. 2. see 2.1.3.
rr
If re bj th attachment points should have adequate structura. um
Guidance Note Preferably the tugger line should be constant tensio winc system whic specifie value.
Eq.2-2
ric:
of sl ng lo ds
Guidance Note The flexibility of the object will reduce the S KL . T h e ff ed . s h u l be considered rO less torson stiff object such as helidedc etc.
2.4.1.4
DA
define
Crilical step shan rt least includ dimensioning positions fO all elements connecte to the lin ports.
2.4.2
fo ay be ne ssar os
Guid.mce Note
..
nc udin pivoting identified an
du Hence.
NORSKE
VERITAS
te restrict th maximu load
to
Rule ro Marin Operations
January
in
Page
'.
2.4.3
Additionalloadcases
2.4.3.1 identi design load established accordingly
2.4.3.2 lifted. see 2. .4 shal be co liftin points an liftin equipment.
2.4.3.3
L o a d effect
es
ue to possible di ectional
ec
ti te
ipme
shackl
ts an
in la
bow.
/~
DE
NORSKE VERITA
1996
January 1996
Pa&e
Pt.2 Ch.S Lifting
A . . : ' l D GROMMETS he nomina 3.1.2.1 afet factor Y. ro mets houl includ th followin
Load factor 1.30 controlled weight and
are spinned of steel
may Y.
are
esta li he
in accordance
it
reco ni ed
3.1.1.2
li ts 1.20
should be determined no facilitie
li
in actors
used).
Consequenc
factor
1-.30
single slin
total
tandard.
be rega de
as
part
.-,J
MBL. 1.33
be divide
in ty in ferrul secured) Ibis factor
by
ta
(I
in
in
~BL.
see as to be ocumented,
Vb
ay
ift I/(I-D.5/(D/d)°'~
Eq.3-2
eavironreeat
where:
le
te attentio ie
shal th
le part cable
paid,to the creep and
laid grommet.
Load
fabricator.
:r
~fBl
th
to greatest of
and 1.00 fo single applicatio
3.1.1. than sp ci ie in Tabl 3.1 Eq. 3-1.
SWL
MBr.....
.I.
/101
Eq.3-1 where 1.{:
su3.1.2.2
rope slings see 3.1.5. J. slings ail le ia
li
th
(normally cree pr pertie
DE
NORSKE VElUfA
hi he
hall be se
pe
on
ft ng
3.1.4
YIYe
t, Y.
frill
3.0
Eq.3-3 F.w.g,
houl Fali
fu fi
q.
Manufad~
an
tolerances
should be performed by rope onstru tion shou be with us nd comp gn Veri as Ru es fo rt fi atio
he of Lift ng Appl an es
4;
MBL.ling
Executive. apply. Eq.3-4 fi
gs
be with
ol rances of
iO.25 part
nomina G ui da nc e
N ot e
rc rn s h c t n o b e b er . a r u n diameter
ti c ra rn et e . es s t ha n t hr e
ti es th
s li n
length.
u id an c ot D w n g r ne as ur r- g ~ ~e S l! r- ~ o r r o e t s ho u f ul l u p o r' e ar.d adequately .ens.coe -'1e t en s o n o a ho ld be Inth ra ge of per ::.e~t :f ',15_ ~ la t h ln g s l n g s ho u b e e a . : ec Wlth th same tens:o load an unde Simila conditions Testin equipment r.ot abie comply WIth t h a bo v r eq u r e e n c ou l b e t es t c co rd in g t o t h r oc e u r
bend ng shou
be on ider d, see 3.1.2.1.
neverthe es
t en s o n I ca a g IV e below-
three· separate tenslOrung seoes of at east t e t s s h u l b e a rn e out. up to th availabl terlSlOr load. Measurement of eIongatioo.-.d forc shal be talcen at intervals. Based upon this, be estimated fa( load theue!ic::a elongation corresponding to 25'l. of t.f3L Bendin diameter during th t en s o n n g t es t s ho ui d b e s p c if ie d e p n d n g o f t h r es ul ts . ay be required. skew load factor C O I ' T e C t i o c
3.1.
er if atio
slings
shall be shall be marked, 3.1.3.S
be carefully
3.1.3.6
Cert fyin
ng
Due consideratioos
to void connecting
shall
nn 3.1.3.7
re ognise
Body is normally required
be marked,
gi
slings or grommets u s e d ~3.1 er if cate ssue by
righ
followin
minimu
information;
certificat number date of certification. sling/gromme identification
r.
code
name of manufacturer date of manufacture,
lifting is
gt shal be restrained
type of construction
certificat abrasion) and
\-
enclosed),
th be
considered.
grommet.
no 's for unit rop
(certificate to be
January 1996
3.1.5.4
pe
Addi ionall minimu ro
fo fibr
bendin
uk nce Not Disc:3rd ctiteria an testin following Standards
slings
diameter
3.1.6
ISOC09. Oet Norske Verita
it
referenc
to he corr sponding
er if cate
MBL
exceeding lOOOkN th additional requirements in 3.1.7.7 through .1 .9 apply.
ft ng
qu
nt
in good conditio containing
lifts.
as
minimu
th followin
information;
all relevant cert ficates,
handling an conservation procedure, survey reports, and storag time an conditions
by be gi
be inspected
th
rule fo lifting appliances
3.1.7.6
Inspection
3.1.6.1
requirements should comply with the the
ISO 3106
3.1.5.5 id nt fi
on
ondi io
of sp ices an
ho term na ions
3.1. 7. ot damages, apparent deterioratio uncertai internal condition, un er ai handling or stor ge histor
ov rloading
Pres rvatio
proc dure
nc udin sp cifi atio developed.
3.1.7.9
va pr serv tion requ rement
3.1. 7.10 dd apply.
pr (rel vant fo fibr sl ngs)
he slings
non-galv nise
re
3.
ro
1.
3.1.7
revalidation
shal be thoroughly inspected
an
evaluate
manufacture.
3.1.7.1
Sl ng nd gromme subj ct fo revalida io s h a I . . I be thoroughly inspecte nd evaluated by issuance of co pe en person Destru tive test ng
3.1.7.
In
dd io data/log book fo ea
by
.7 the requir ment ab laid sl ng should contain;
record of previous if we ghts nd bendin radius
bo
fts,
carried OWDer
at least three
differen
book nc dent
places
resu tion
ho in co pr ss on lo ds
be splices.
3.1. 7. used
ve
are uncertainties with respect
op
to
3.1. 7.
as specifie
ri
rt
ho
be
load
in
3.2.1.1
by
referenc
as
fo
he strength
rm
cert.i ficate.
3.1. is normal
no
ccep ed
documented. '.
ET
ORSK
ERIT
ti t.
.S
.4 SWL*DAF
a)
Th
ce
lo
io
in
ce cr
ce
Eq. 3-/ in Pl
io le
as
evea an
3.2.4.2
ed
ckle
calculations
ti
3.2.2.2 3.1.3.1
3.2.3
in
er is al in ltrasoni
th ct testin
an testing
ti ti le in before used
ct
ma
ti
of shackJes er
ca co
lo if
shackl
certificat sh ul in mu information:
material type. manufacturing method, refe ence code tandar mi mu ak
requirements requirements table Dl in Appliances.
normally contai
proo
at
or specification,
load
certification.
ck in
to
comply with 3.2.3.2. th proo loadin
certificat
Gu~Note
Ol
shackles that do
wih the reqwre ents grve in ar et er an ol shi1dde is acceptabl no( should nformatio available, an th result the be decide 3.24 of the non destructive examina5on, 3.25.3
3.23.2 an actu er
at
in Table 3.1.
Table SWL
Shackle Proo <25t
Loadin >18Ot
25-100t
Proo Load
20t
other
visual
certificate identification code. shackle ident fication code. name of manufacturer date of manufacture.
shacldc:s 4.1.4 applies.
la
ck et
e.
acceptable
standard.
mp
es
Certificatio
3.2.5
3.2.5.1 the ol wi
Manufacturin
ma
se
me
3.1.3.2.
normall
that
will normally be sufficient.
3.2.5.1 ce ic ii
ti
_.
acceptable if the shacIde capacity is to the manufact\6ef guidelines and/or
regard to
in
lo
inspection
in ad ac should normally be avoided. Ecceriric loading
trao
3.2.5
Design considerations
derated accordin
es
Ch.4
in
3.2.
1996
January
if
'.33·SWL
be u s e d if th inspection an geometrical defects.
efer cl
ly
th ar ed
if ac
te
should
January
ul
1996
~brine Operations L2 Ch Lifting
4. STRUCTIJRE points
4.1.1. Genera reco design are given in t.
endation
regard ng stru tura
h.4.
4.1.3.1
Lift
structur
should
loads as specifie
in 2.4.3.3.
4.1.3.2 fo
ul
be
avoided.
in S~c.24.
4.1.2 should be applied.
4.1.1.3
hi
4.1.3.3 Lift particularly considered
be positioned so ha
he design .'
excessive
be
ne
4.1.3.4
avoided.
It is recommende m a i n onne ions
that padeye are designed he ra he ha ension steel
material should be avoide .Applying
he partia
oeff ient method fo see
he design
Table 3. J, will in Table 4.
ve should be
Eq. 4-1.
de
r......- Y r Y c
Guidance Note Padeye plates ar recommende slotte throug horizontal !lange an welded directly to vertical we plates. If throug ttllCKnes t en s o n c a n o be avoded matenals with guaranteed throogl' used, 01' inspections of the matenaJ thicknes properties should to verify th throug thicknes properties shall be performed.
Eq.4-1
where Y 4 w .o i
ban or spreader
design factor
fr se
load factor consequenc bl 41
D' siz
factor actors
E1ementcategory
t«
.,.._"
es de ig fa tor. Y d c o i p > of we gh of he qu pmen
4.1.4. Ec en riciti cons dering deviations in slin angles should be preade ba verification
lift points i"lcJuding attachments to object (single critical elements supporting the in points is define within this category).
supporting th
ft
1.7
1.3 1.3
be Joadcases described in 2.4.
4.1.5.2
point
Other elements of lifted object
xi um poss bl
object
lifting equipment (e.g. spreader frames Of beams, plat shacldes). Main elements
.3
1.0
1.3
IS meant to account for severe consequences of single element t h tabie above f a u re . ~ e o r s at io n e le me nt s a c o rd in g should hence duly consider redundancy of elements.
Appropriat design factors, ee Tabl 4. J. should be ppli prim ry nd econdary stru tura elements
ot
are
gn
conditions. be pa
ne
AS
he
po sibl
hori onta
ul
.2
January
h.
Lifting
4.
nspe
designed qu
pm
5.4.
Sec.e. 2.
specia structural steel" in Pt.
nt do
ng
fo
Iift
ui
accept nspe
qu
nt a)
th lo
b)
DO
histor
(s nc re
down of he
up
or aftq liftin ..
fo
1996
na
ui oa
nt
po nt du ng
last
PIIU
fo f; nspection) of
ow
ve
ng rr
re
tems b) 0%
be or
oc
re
, ~
loads,
environmenta
cons dere ma transportation ro qu nd load afte installation
inspection. Lift po nt sa sfying lifting.
Pr.:2
Ch.2Sec.2.3.2.
ov ra un ransport tion
pp
ho he
vess l/barg
4.1.8.3 lement prov ding horizont nd/o vert ca po ng of seaf st ning hall be verified fo haracteristi nv ronmenta ondition bl fo n. eafastenin 4.1.8.4 ft ng qu
Welding
4..
of slings spread ov de or
to specia elements
AB IC
IO
AN
..2.1 Materials an
ft ng given
shall
NS
ot
bars
avoide
IO
fabrication
ou Pc.l Ch.4
&c.4.2.
Dsr
RS
El TA
ny
nt
January 1996 ~e 180(22
Rules
or
rine Oper tion
PL2 Ch.S Liftin& -r-:
IF
OPER nON' ns li
5.1.1 General 5.1.1.1 ui m a n n e d an
ra
roll/p tc
on
ng
ters
ra
ne ul fi fo perfor in
nd th in ende
oper tions. 5.
5.1.1.2 ot exceeding he gh
10
of
5.
ri
environmental conditions 5.1.
at
angles etc. sh ll be presen ed
Positi ning
on
ng
Pt.2
en
pe
on
positionin on ur
ft ng
boom
th cran
than
the requirements
5.1.3 Cran
in Pt.
eh.2 Sec. 5.3 pply
vessel certificates
ob
ur
ot be
than 3m.
shall
requirements
in
Ch.2 Su.5.2
5.1.3.2 Hydrostati onboard.
stabilit
ny
data should be availabl
u id an c
rm
Cran
of Registry of Classification
docu
2. ob
of
1e ra
othef objects
he un or
re
ba
ou rt
ntati
5. ve nd be calculated.
assification or makers cert fi at
recognised authority. ates nnua survey report ra
to be lifted over around or between 3m is recommended.
rt
normally be presented: er if ca
te
Fo object
Safe onstru tion er ficate Certificat of Internationa Load Line. Safety Equipmen Certificate. 5.1.
procedure, th environmenta etc.
5.1.3.3 presented: Certificat Certificat
evaluated b a s e d operation, th operationa
bj ra
ul ne
be
oo ho
nd
nspo
oper tion nd wi maximu accord ng to Pt. Ch.3 Sec. 2. nd dy
lear nc
OET NORSKE
VERITAS
on
of
nc valu
al ul te
less ha 3m should norm ly
avoided.
Rules fo Marine Operations PL Ch.S Lifting
1996
January
S.2.1. shim betwee
be
operations
2.
at
al
the supp rt
tructure/g illa
an
th
wate depths (inshore).
ft
5.2.2.1 conditio s,
io relative moti ns
pe formed im ediately afte li etc. _sho ld
should be included in th operatio
ff
esta li he S.2.3
manual
Guidance Note Uft from anothe ¥eSSellbarge offshore should normally no be pertonned with H. greater than 2.0· 25m:- Relative vertical motion between crane hook and lift of vessel should be carefully evaluated th lift Reiative I ' T l O O o n s e x e e n g is not recommended.
.2.3.1 houl be monitore
ma uall
onitorin
or
ystems
Hook load(s Environmental conditions. Tilt (specially fo multih ok lifts) Position an orientation.
5.2.2.2
Cran ve el it fa ou able otio characteristic ma operat in relatively roug
Monitoring of lifting operations
Clearances. Hoisting velocity
ea
of seafastening operation.
5.2.2.3
S.lA.l
Th
hook should be positioned accurately
cran
th Gui
5.2.2.4
Ballasting of transportation ve el/barge prio to or during lifting in orde to obtain imultane us lift support points should be considered
vertical
restraint
..
il
if
Guidance Note Verticaocuttin of seatasterunq WIth f la m c ut te r a y due to coarse cut. result In restrain effects. better solution ISto cu in an angle of minimum10 15 degrees WIth the verticalaxis remove one peece by applying tw cuts
le
ts
le
5.2.4.3
tl
in
in advance. Gu~Note
5.2.2.5
used
or grillage debn
properly fastened to th lifted object
5.2.2.6
For-
th differences this
lifting
axis between the lif points considerable in th In il occu nd load shall in
the
ll
th
5.2.2.7 tr
in both
according to requirements
in PI.
To avad damaglnQ the barg deck and p ro vi d f o a f handling consideration should be made to avoi larg loos seatasterunq debris Seafastening of larg loos af\e Ii1\ of should be considered.
an
ea
pieces of
seafastening
January 1996
6.1.
L2 Cb.S Liftin
6.2.4.1
Appl at on
6.1.1.1 assisted op ra ions (roll-up
conn ct on wi
re tion
t h r e e or more cranes.
Extrem cran l o a d s , distribu on wi hi th consid ring at le st
rane
houl
be ca cu te
also
oa
op ra on
6.1.1.2
an
by on hore
Relevant requirements in
dd tional requ re
nt
fl xibili of th lifted obje t, crane types, limiting environmenta conditions if ng proc dure nd monitorin system/tolerances.
ranes.
fo su
through
applies
op ra on
sens iv ty na si onsidering possib variations should be considered
ra
6.2.1
Guidance
Note
particularly relevant fo liftin with severa highly utJlised le cr ne e r e x c t c ra n l oa d a y b e a rf f c ul t t o o nt ro l
T hI S I S
6.2.1.1 on calculations only
cr
In
6.2.5 Additional 6.2.5.1
6.2.1.2 should
evaluated.
6.2.2.1
loads
ulti cr ne if op ra on oi in he alcu tions.
the maximum
fi
6.2.5.2
ol
great import nc
Fo
nd cons dere
ia lo of an shou
be horoughl
ob ec du to evaluated.
ev ua ed
6.2.6
6.2.2.2 operations are;
6.2.6.1
winch/tugger line loads, suppor reac io oads (ver ic
6.2.3
cr ne lo
an hori on l)
Loadcases or the genera guidelines give hs
in .4
wind loads.
6.2.6.2
Dynamic loads
with respect to possible cran load distributions, ou 6.2.4.1,
6. .3.1 Ta
2.
give applicable factor
to t.a.lc into
6.2.3.2 possible dynami effect should be evaluate thoroughly. Crane speeds an surf ce ondition houl be considered.
or mu ti rane oper ions sensit vi
For roll-up he se ec ed oadcases
nalysi see
6.2.6.3
structural items.
i.e.
naly ed ro -u
ngles,
or
t.
b.
6.
urting
Operations
IF IN
January 1996
UI ME
6.5.1.2
should nc he
and grommets om in J.l.2.2.
ho
documented that regula parts
be
6.5.2.1 Lo d-radi urves/ ables. clearl stat
GuicUnce Note
a rd s l in g a r o r a ll y te r, en e a f ac to r recommended.
u lt ip l u s s li ng s exposed 1.00 should be used
= 1. 2
he
om
shou d.
pp ic bl
gt os
J.l.1.4.
by ov rturning or stru tura
streng h,
to
object ro atio
(roll-up
on th
ling
operationa
onnect ons.
6.5.2.2 vo 6.3.1.1 certificat
50 tonne without acceptable provided
ma
ha shackl fabricator is recognised calcul te dynami shackl lo ho nspe
limitations.
ve ng
thes radii. see 6.2.5.
5\\1-
6.5.2.3
5'W1-, and re us
nd ra
attent on
houl
ho pe
be give to
p e a k loads.
be
6.5.2.4
SfRUCfURES
Iimitation
water/sand fi led, shou
6.4.1 Lift points 6.4.1.1 Tbe purpos buil l.ift uc
Op ra iona
gt
fo
ravellin
counte
be ch ck d.
or
6. re
pa be applicable, see
1.3 Tabl~ .1.
6.6.
IO
fS
Clearances
6.6.1.1
he
are accounted
GuicWlce Note
ar
elasti
hoop stresses fO
sing, compared
the hoop.
with
the
t1.JbI.jar
total plasti
member
capacity ot
of O.Sm is normally accept bl uidanc
Note
Fo roll-u
operation planned hoist line be considered when th minimu clearances ar calculated. Possible deviations from vert)caI hoist tines, see 6.5.2.2, need to be to( ifts invotving travellin
6.5 CRANES 6.5.1
Documentation
6.5.1.1
ne
in possessio
out.
authority. Guidance
Note
levelled/improve
In Norway this i: ·Art>e;dstitsyner.
if required
. .... -
DEI'
N OR SK E
V ER I A S
January 1996
ye 220(22
Pt.2
include; lifted objec deflections, hois line angles crane positions be roll-u angle. Se also 5.?.3.
DE
NORSKE VERITA
h.
iI ll
