Alstom FKG1X - Page 272

Equi
pme
nt end o
f
life
Instructions on the handling of used SF
6
gas
and
decomp
osition
produc
ts
G81
-
-0
01EN03
3/4
02--2011
© ALSTOM 2010. All rights reserved. Informat
ion contained in
this document is indicative only. No
representati
on or
warrant
y is
given or should
be
relied on that it is complete or correct or will apply to any particular project. This will depend on the technical and commercial circumstances. It is
provided without liabili
ty and
is subject to
change without notice. Reproduction, use or disclosure to
third parties, without express writt
en authority, is
strictly prohibited.
 GRID
Opening
-
-
up
SF
6
gas switchgear
Preca
utions to
take
At the ti
me of th
e ope
nin
g-
-up SF
6
 gas switchgear, take the precautions
bel
ow
:
DS
Open--up SF
6
switchgear only after the gas has been evacuated and the
pre
ssur
e
insi
de the
app
arat
us
has been
red
uce
d
to
that
of
atmo
sph
eric
pressure.
DS
Put the ventilation system in operation or ensure that fresh air circulates
in
some
othe
r
man
ner
whe
n
swi
tchg
ear
whi
ch
con
tain
s
dec
ompo
siti
on
products is opened (e.g. circuit--breaker).
DS
Wear suitable fresh air breathing apparatus if there is even the slightest
possibility that personnel working on the equipment could be put in danger
thr
ou
gh
in
ha
la
tio
n
of
ha
za
rd
ou
s
amo
un
ts
of
ga
s
va
po
r
fro
m
po
wd
ery
decomposition products.
DS
Wear special overalls when working on opened--up SF
6
switchgear which
contains powdery decomposition products. After completing work remove
overalls.
DS
Avoi
d
stirring-
-up
dust
and
powde
r
from
SF
6
swi
tchg
ear
.
Dif
ficul
t
to
remo
ve
du
st
ca
n
be
re
mo
ve
d
wi
th
dry
no
n-
-fib
rou
s
ra
gs
.
A
va
cu
um
cl
ea
ne
r
sh
ou
ld
be
us
ed
to
re
mov
e
lo
os
e
du
st.
Thevacu
um
cle
an
er
fil
ter
sh
ou
ld
be
ab
le
to
ret
ai
ns
particles of a least 1
m
in size.
DS
Items (such as rags, vacuum cleaner, throw--away--overalls, gloves, etc.)
wh
ic
h
co
me
in
co
nta
ct
wi
th
thedeco
mp
os
iti
on
pro
du
cts
mu
st
be
co
lle
cte
d
an
d
neu
tral
ized s
o
that the
dus
t cann
ot
be tra
nsfe
rred
.
Befo
re ge
tting
rid o
f
thes
e
items neutralize in a 3 percent soda solution for 24 hours. verify the degree
of neutralization after 24 hours. When soda is added, no bubbles should be
result. If there are bubbles repeat the neutralization.
DS
Under all circumstances ensure that the decomposition products neither
come in contact with skin, eyes, clothes, nor that they are swallowed or
in
ha
le
d.
Pa
y
sp
ec
ia
l
at
te
nt
io
n
to
cl
ea
nl
in
es
s
of
bo
dy
,
cl
ot
he
s
an
d
wo
rk-
-ben
ch
.
Du
st
or
po
wd
er
tha
t
co
mes
in
co
nta
ct
wi
th
sk
in
mu
st
be
wa
sh
ed
away with plenty of water.
It is advisable to wash face, neck, arms and hands with soap and plenty of
water before work--breaks and after stoppage of work.
DS
Avoi
d
eating, drinking,
smoking or
storing eatables
in
rooms
or
outdoors
ne
ar
to
op
en
ed
SF
6
switchge
ar
which
may
contain
arc-
-decompose
d
powde
r.