Bourbon - Offshore - Surf - SMS manual 2016

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Met

h

anol O

p

erations

BOS-

P

RD-2

6

.900

6

09

4

.

2

.

3 B

lanketin

g

o

f m

et

h

anol tank

Blanketing of Methanol tank with N2

Fill i

n

the

n

i

tro

g

en bott

l

es w

i

th

the

n

i

tro

g

en

g

enerator

. T

he n

i

tro

g

en p

l

ant

room

shall

be

k

ept

c

l

osed

to avo

i

d

n

i

tro

g

en

to

f

ill

other

rooms

. T

h

i

s

room

shall

be e

q

u

i

pped w

i

th an

O2

sensor

,

and access

i

s

restr

i

cted on

l

y

to

i

ntervent

i

on on n

i

tro

g

en

system or

other

cr

i

t

i

ca

l

e

q

u

i

pment by author

i

z

ed

persons

. T

he person enter

i

n

g

the

room

for

the purpose

shall

chec

k

the

O2 l

eve

l

and

carry an EE

BD

w

i

th h

i

m

.

A

second

person

sha

ll

stand

outs

i

de

,

ready

i

n

case of

n

i

tro

g

en

sudden

re

l

ease

.

Vent

il

at

i

on

i

s

k

ept on

i

n

th

i

s

room dur

i

n

g

the who

l

e

l

oad

i

n

g

,

th

i

s

one

shall

be

shut off

i

mmed

i

ate

l

y

i

f

a methano

l

re

l

ease

i

s

e

x

pected

on ma

i

n dec

k.

Bl

an

k

et

the d

i

schar

g

e

p

i

pe w

i

th

n

i

tro

g

en before

tan

k

b

l

an

k

et

i

n

g

i

s

started

.

Ensure

that

a

ll

d

i

schar

g

e

va

l

ves

are

c

l

osed

.

Fill

cofferdams w

i

th

n

i

tro

g

en

. FW

can be used

as

bac

k-

up

.

L

oad methano

l

tan

k

s w

i

th

n

i

tro

g

en

,

a

i

r

i

s

evacuated

throu

g

h

the

P

V Va

l

ve

. R

ema

i

n

i

n

g

O2

sha

ll

not

e

x

ceed

8% (I

M

O

re

q

u

i

rement

IB

C

1

9.8.

3

)

to

cons

i

der

the

tan

k

as

b

l

an

k

eted

/

i

nerted

,

and

the pressure

shall

be

pos

i

t

i

ve

j

ust over

0

bar

.

depend

i

n

g

on

the

vesse

l

s

,

th

i

s

step

re

q

u

i

res

around

36

hours

.

Ni

tro

g

en

sha

ll

be

i

n

j

ected as

s

l

ow as

poss

i

b

l

e

to

avo

i

d

any m

ixi

n

g

w

i

th a

i

r

.

Chec

k O2

rate

from

the

P

V Va

l

ve w

i

th portat

i

ve

g

as

detector

.

O

nce

the

tan

k

s

are

i

nerted

and

pr

i

or

to

l

oad methano

l,

n

i

tro

g

en

bott

l

es

shall

be

fu

ll

y

f

ill

ed

.

T

he

tan

k

s

are

ready

to

rece

i

ve methano

l.

Vers

i

on

SF(BOS-

P

RD-0

7

.900

6

09-

ver

.0

4

). O

r

i

g

i

na

l

date

: 22

/

0

6/

20

1

2.

Vers

i

on

date

:

31/1

2

/

20

15

.

Va

li

d

vers

i

on

on

l

y

on

Q

M

S

s

i

te

.

Uncontro

ll

ed

document

when

pr

i

nted

.

P

rocedure prepared by

: BOS

Head

of

O

perat

i

ons

.

Approved

by

: BOS

Head

of

O

perat

i

ons

.

Va

li

dated by

: BOS

Q

ua

li

ty

R

epresentat

i

ve

.

9

/ 15

499