821/ Hygiene / 992
H
ygiene
BOS-
P
RD-0
3
04.900902
4.7.6.3 Temperature monitoring
T
h
e
stored and
o
u
t
l
ets
temperat
u
re
o
f
bot
h
t
h
e
h
ot and
c
o
l
d
w
ater
s
y
stem
shall
be
c
h
e
ck
ed mont
h
l
y
b
y
C
h
ief
Engineer
or
de
l
egated
person
. T
h
e
po
i
nts
to
be
random
l
y
c
ontro
ll
ed
are
t
h
e
ones
i
dent
i
f
i
ed
as be
i
ng
“
at
r
i
s
k”
a
cc
ord
i
ng
to
t
h
e
r
i
s
k
mapp
i
ng deta
il
ed above
.
R
es
u
l
ts
are
to
be
re
c
orded
i
n
t
h
e
Water Hygiene Logbook
.
4.7.6.4 Legionella levels of alert
I
n
c
ase
presen
c
e
o
f
L
eg
i
one
ll
a
i
s
c
on
f
i
rmed
a
f
ter
proper
samp
li
ng
and
ana
l
y
ses
,
f
o
ll
o
w
i
ng
a
c
t
i
ons
are
to
i
mp
l
ement
:
I
f
[L
eg
i
one
ll
a
] >
1
0
3
c
o
l
on
y
f
orm
i
ng
u
n
i
ts
/
l
:
x
V
er
i
fy
t
h
e
or
i
g
i
n
o
f
t
h
e dev
i
at
i
on
c
ompared
to
t
h
e
res
u
l
ts
obta
i
ned prev
i
o
u
s
l
y
;
x
S
trengt
h
en t
h
e
hy
g
i
en
ic
meas
u
res
and
c
ontro
l
s
(C
h
l
or
i
nat
i
on
,
t
h
erm
ic
a
l
mon
i
tor
i
ng
,
et
c.).
I
f
[L
eg
i
one
ll
a
] >
1
0
4
c
o
l
on
y
f
orm
i
ng
u
n
i
ts
/
l
:
x
Sc
h
ed
u
l
e a
te
c
h
n
ic
a
l i
ntervent
i
on
to e
li
m
i
nate
t
h
e
r
i
s
k
s
:
pro
h
i
b
i
te an
y
r
i
s
k
y
s
i
t
u
at
i
on
(
s
h
o
w
er
…);
x
I
mp
l
ement
i
mmed
i
ate
c
u
rat
i
ve meas
u
res
s
u
c
h
as
stop
,
p
u
rge
,
des
i
n
f
e
c
tat
i
on
,
h
eat
s
h
o
ck (70
°
C
at
o
u
t
l
ets
adv
i
sed
),
et
c…
4
.
7
.
7 M
a
in
t
en
a
nce
T
an
k
s
should
be
opened
u
p
,
empt
i
ed
and
i
nspe
c
ted
at
i
nterva
l
s
not
e
xc
eed
i
ng
1
2
mont
h
s
f
or
i
nspe
c
t
i
on
and
ma
i
ntenan
c
e
.
M
i
n
i
m
u
m
cl
ean
i
ng
standards
-
shall
i
n
cl
u
de
a
ll
o
f
t
h
e
f
o
ll
o
w
i
ng
:
•
Phy
s
ic
a
ll
y
cl
ean
;
• T
o
u
c
h u
p
c
oat
i
ng
as
ne
c
essar
y
;
• Fill
tan
k
w
i
t
h
a
so
l
u
t
i
on
o
f
s
u
per
c
h
l
or
i
nated
w
ater
at
a
c
on
c
entrat
i
on
o
f
5
0
ppm
c
h
l
or
i
ne
and
l
eave
f
or
a
per
i
od o
f
not
l
ess
t
h
an
4
h
o
u
rs
;
• Di
s
c
h
arge
tan
k c
omp
l
ete
l
y
;
• Fl
u
s
h
o
u
t
w
i
t
h
cl
ean potab
l
e
w
ater
;
• Di
s
c
h
arge
tan
k c
omp
l
ete
l
y
;
• Fill
w
i
t
h
potab
l
e
w
ater
;
A
ll
p
u
mps
and
p
i
pe
w
or
k
should
be
f
l
u
s
h
ed
t
h
ro
u
g
h
w
i
t
h
t
h
e
s
u
per
c
h
l
or
i
nated
w
ater
and
t
h
en
w
i
t
h
cl
ean
potab
l
e
w
ater
pr
i
or
to
f
illi
ng
tan
k
s
.
F
res
h w
ater
tan
k
s
shall
a
l
so be
deep
l
y
i
nspe
c
ted and
cl
eaned d
u
r
i
ng
P
M
P
.
A
ll
ma
i
ntenan
c
e
tas
k
s
shall
be
re
c
orded a
cc
ord
i
ng
l
y
i
n
T
as
k
ass
i
stant and
i
n
t
h
e
Water Hygiene Logbook.
4
.
7
.
8 C
a
se of
wat
er con
ta
min
at
ion
I
f
an
y
s
u
sp
ici
on
or
potent
i
a
l c
ontam
i
nat
i
on
,
d
i
s
i
n
f
e
c
tat
i
on m
u
st
be
a
cc
omp
li
s
h
ed
i
mmed
i
ate
l
y
b
y
i
n
c
reas
i
ng
t
h
e
l
eve
l
o
f
c
h
l
or
i
ne and
ta
ki
ng
add
i
t
i
ona
l
samp
l
es
and
retest
i
ng o
f
t
h
e
a
ff
e
c
ted area
(
s
) i
n a
reg
u
l
ar
bas
i
s
.
T
h
i
s
operat
i
on
should
be
repeated
u
nt
il
sat
i
s
f
a
c
tor
y
res
u
l
ts
are
obta
i
ned
and
i
n
ade
q
u
at
i
on
w
i
t
h
t
h
e
man
uf
a
c
t
u
rers
i
nstr
u
c
t
i
ons
.
I
f
t
h
e
res
u
l
ts
are
not
sat
i
s
f
a
c
tor
y
,
tan
k cl
ean
i
ng
w
ill
be
re
q
u
ested
b
y
t
h
e
vesse
l
to
t
h
e
S
h
ore
base
and
t
h
e
pro
c
ed
u
re
shall
be
str
ic
t
l
y
f
o
ll
o
w
ed
-
u
p
.
V
ers
i
on
0
5
. O
r
i
g
i
na
l
date
:
2
5
/
0
5
/
20
1
2.
V
ers
i
on
date
:
31/1
2
/
20
1
5
.
V
a
li
d
vers
i
on
on
l
y
on
Q
M
S
s
i
te
.
U
n
c
ontro
ll
ed do
c
u
ment
wh
en
pr
i
nted
.
P
ro
c
ed
u
re prepared b
y:
BOS
QH
S
E
Manager
.
A
pproved
b
y:
BOS
QH
S
E
Manager
.
V
a
li
dated
b
y:
BOS
Qu
a
li
t
y
R
epresentat
i
ve
.
1
5
/ 1
7
821