420/ Lifting and Hoisting Operations / 992
L
iftin
g
and
H
oistin
g
O
p
erations
BOS-
P
RD-2
6
.900
6
04
T
h
e
de
gr
ee
of
p
l
ann
i
n
g
c
an
v
a
ry
co
ns
i
de
r
a
b
l
y
and
shall
de
p
end
o
n
th
e
typ
e
of
e
q
u
i
pm
en
t
to
b
e
u
sed
and
th
e
comp
l
e
xi
ty of
th
e
op
e
r
a
t
i
o
n
.
A
n
o
n
-
rout
i
ne
Li
ft
i
n
g P
l
an
shall
b
e
pr
e
p
a
r
ed
by
a
comp
e
t
en
t
p
e
r
s
o
n
. T
h
i
s
th
en
needs
to
b
e
r
e
v
i
e
w
ed
and
a
pprov
ed
by
an
oth
e
r
comp
e
t
en
t
p
e
r
s
o
n
and/
or
a
t
e
ch
n
i
c
a
l
a
uthor
i
ty
. I
t
shall
th
en
b
e
r
e
v
i
e
w
ed
and
f
i
na
li
sed
by
th
e
o
n
-
s
i
t
e
comp
e
t
en
t p
e
r
s
o
n and
th
e
L
ift
Sup
ervisor
c
a
rry
i
n
g
out
th
e
li
ft
.
A
n
o
n
-
rout
i
ne
Li
ft
i
n
g P
l
an
shall
b
e
pro
d
uc
ed
o
n
-
s
i
t
e
by
a
comp
e
t
en
t
p
e
r
s
o
n
i
f
th
e
need
a
r
i
ses
. T
h
e
sa
m
e
r
e
v
i
e
w
and
a
pprov
a
l,
by
a
se
co
nd
comp
e
t
en
t
p
e
r
s
o
n
and/
or
t
e
ch
n
i
c
a
l
a
uthor
i
ty
and
th
e
o
n
-
s
i
t
e
li
ft
i
n
g t
ea
m
and
L
ift
Sup
ervisor
c
a
rry
i
n
g out
th
e
li
ft
,
shall
b
e
r
e
q
u
i
r
ed
.
I
n a
ll
c
ases
, i
f
de
f
i
ned
upo
n
th
e
r
i
s
k
assess
m
en
t
and/
or
co
n
tr
a
ct
,
a
w
a
rr
an
ty
s
urv
e
yor
should
b
e
a
ppo
i
n
t
ed
.
4
.
3
.1
3
Initial
c
onsiderations for t
h
e assess
m
ent of t
h
e load and its
h
andlin
g
F
or
an
y
typ
e
of
li
ft
an
assess
m
en
t of
th
e
l
o
ad
i
s
v
i
t
a
l
:
x
W
h
a
t
i
s
th
e
w
e
i
ght of
th
e
l
o
ad
?
x
I
s
th
e de
c
k
s
tro
n
g
en
ough?
x
I
s
th
e
w
e
i
ght
v
e
r
i
f
i
ed
?
x
I
s
th
e
l
o
ad des
i
g
ned
for
off
s
hor
e
li
ft
i
n
g
,
for
e
x
a
mp
l
e
co
n
t
a
i
ne
r
typ
e
?
x
Ar
e
th
e
li
ft po
i
n
t
s
c
e
rt
i
f
i
c
a
t
ed/ade
q
u
a
t
e
?
x
C
an
s
li
n
g
i
n
g po
i
n
t
s
b
e
a
cc
essed
sa
f
e
l
y?
x
I
s
th
e
l
o
ad
s
l
u
n
g
i
n a
s
t
a
b
l
e
f
as
h
i
o
n
w
i
th
n
o
l
oo
se
i
t
e
m
s
i
n
or
o
n
i
t?
x
I
s
th
e
C
en
tr
e
O
f
G
r
a
v
i
ty
(
Co
G) k
n
ow
n
?
x
D
o
es
th
e
l
o
ad
h
a
v
e
i
n
t
e
gr
i
ty
and
i
n
t
e
r
na
l
s
t
a
b
ili
ty?
x
I
s
th
e
s
h
a
p
e
or
s
i
z
e d
i
ff
i
cu
l
t
to
s
li
n
g?
x
I
s
i
t
a
v
e
ry
l
o
n
g
l
o
ad
, li
a
b
l
e
to
rot
a
t
e e
tc?
x
Will i
t
f
l
e
x
u
nde
r
s
u
s
p
ens
i
o
n
?
x
D
o
es
i
t
r
e
q
u
i
r
e
se
cur
i
n
g
to
i
t
s
p
a
ll
e
t?
x
D
o
es
th
e
l
o
ad
co
n
t
a
i
n
liq
u
i
ds
?
x
I
s
i
t
fr
a
g
il
e
?
x
I
s
i
t h
i
gh
v
a
l
u
e
?
x
Ar
e
th
e
r
e
ch
e
m
i
c
a
l
s
i
n
th
e
l
o
ad
?
x
I
f
s
ub
sea
,
co
ns
i
de
r
s
hoc
k l
o
ads
and
ch
an
g
es
to
w
e
i
ght
i
n
a
i
r
d
u
e
to
th
e
e
ff
e
ct
s
of
f
l
oo
d
i
n
g
and
d
r
a
i
n
i
n
g
,
sea
b
ed
s
uct
i
o
n
,
p
l
u
s
m
a
r
i
ne
growth
or
de
br
i
s/
grout
i
f
r
e
mov
i
n
g
e
xi
s
t
i
n
g
s
ub
sea
s
tructur
es
,
added
m
ass
,
th
e
s
p
l
as
h
zo
ne
,
wh
i
ch
w
ill
b
e
a
ff
e
ct
ed
by
sea
s
t
a
t
e
,
ch
an
g
es
to
buoy
an
cy
and
th
e
c
en
tr
e
of
buoy
an
cy
;
x
Ar
e
th
e
r
e an
y
s
h
a
rp
ed
g
es
?
x
Ar
e
ho
l
d
d
ow
n
bo
l
t
s/sea
f
as
t
en
i
n
g
s
r
e
mov
ed
?
x
Ar
e ne
c
essa
ry p
e
rm
i
t
s
obt
a
i
ned
for
i
t
s
li
ft?
4
.
3
.1
4 C
onsiderations for t
h
e sele
c
tion of liftin
g
eq
u
i
pm
ent
I
n
i
t
i
a
l
assess
m
en
t
shall
i
n
c
l
u
de
th
e
fo
ll
ow
i
n
g:
x
I
s
corr
e
ct P
e
r
s
o
na
l
Prot
e
ct
i
v
e
E
q
u
i
pm
en
t
(
PPE
) i
den
t
i
f
i
ed and
u
sed
?
x
Sli
n
g
an
g
l
es
and
li
ft
i
n
g
a
tt
a
chm
en
t
an
g
l
es
;
x
Ar
e a
tt
a
chm
en
t po
i
n
t
s
ade
q
u
a
t
e
?
x
How
a
r
e
s
li
n
g
s
to
b
e
a
tt
a
ch
ed
?
x
I
s
th
e
hoo
k
typ
e
a
ppropr
i
a
t
e
?
x
M
an
u
a
l
h
and
li
n
g of
h
ea
vy
r
i
gg
i
n
g?
x
Will
d
i
v
e
r
s
or
R
e
mot
e
O
p
e
r
a
t
ed
V
e
h
i
c
l
es
(RO
V
)
b
e
i
n
vo
l
v
ed
and
a
r
e
s
li
n
g
s/a
tt
a
chm
en
t
s
comp
a
t
i
b
l
e
w
i
th
u
nde
rw
a
t
e
r wor
k
?
x
I
s
th
e
r
e a
li
ft
i
n
g
po
i
n
t
a
v
a
il
a
b
l
e
d
i
r
e
ct
l
y ov
e
rh
ead
?
x
I
s
th
e
s
li
n
g
a
rr
an
g
e
m
en
t
s
u
i
t
a
b
l
e
for
th
e
Co
G
?
x
Sli
n
g
l
a
y
d
i
r
e
ct
i
o
n
– l
e
ft h
and
l
a
y
and
r
i
ght h
and
l
a
y
shall
n
ot
b
e
co
nne
ct
ed
;
x
Will
th
e
l
a
yout
and
l
a
y
-
d
ow
n
of
th
e
s
li
n
g
s
a
ff
e
ct
co
n
tro
l
of
th
e
li
ft?
V
e
r
s
i
o
n
SF (BOS-
P
RD-0
7
.900
6
04-
v
e
r
.04). O
r
i
g
i
na
l
da
t
e
:
2
8
/
0
6
/
20
1
2.
V
e
r
s
i
o
n
da
t
e
:
3
1/1
2
/
20
15
.
V
a
li
d
v
e
r
s
i
o
n
o
n
l
y
o
n
QM
S
s
i
t
e
.
U
n
co
n
tro
ll
ed
d
ocum
en
t wh
en
pr
i
n
t
ed
.
Proc
ed
ur
e
pr
e
p
a
r
ed
by:
BOS
H
ead
of
O
p
e
r
a
t
i
o
ns
.
Approv
ed
by:
BOS
H
ead
of
O
p
e
r
a
t
i
o
ns
.
V
a
li
da
t
ed
by:
BOS
Qu
a
li
ty
R
e
pr
esen
t
a
t
i
v
e
.
1
2
/
20
420