Training Manual 4

7/24/2019 Training Manual 4

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C O N T E N T S

1. RELEASEFSYSTEM

2.

DATA

HEETS

.. . . . . . . . . . .3

. . . . . . . . . . . 6

3.

SYSTEM

ECHINICAL

PECIFICATION

.. . . . . . . . .7

4.

MISCELLANEOUS

ECHINICAL

NFORMATION

......

...14

5.

MAINTENANCE

. . . . . . . . . . 1 9


13/20

1

R E L E A S E

F

S Y S T E l I |

1

.1 OPERATING

NSTRUCTIONS


14/20

1

OPERAT

NG

NSTRUCT

ON

1.1

C0, T0TAL

FLO0DING

YSTEM-GENERAL

The 0 . ex t ngu ish ing ys temt I zes a bankc0 . cy l nde rs , norma ly

located

n

the

c0, room.

The

number

f

cyl inders

required

depends

pon

the

volume

f

the

protected

pace.

Discharge

f

the

ext ingu ish ing

agent

is

accompl ished

y means

f a

contro l

box vh ich

s normal

y s i tu ta ted

at

the

ex i t

f r om

he

pro tec ted

pace .

A dup l i ca te

on t ro l

box

may

e

f i t t ed

in

the

COrroom

nd

i re

contro l

s ta t ion.

The

contro l

box

conta ins

source

f

p i lo t

C0,

a n d

h e m e a n s

y w h i c h

t

i s

r e l e a s e d

t h e

p i l o t

C 0 . s

p i p e d

o

p r e s s u r e -

operated

elease

heads

n

the required

number

f

c0,

cyl inders.

1

1.2

[ , |AIN

ALVES

lhere more hanonespace s protectedby the same ankor c02cyl inders,

cressure-operated

i rect ion

valves

main

a lve)

are

f i t ted

in to

branch

cipes

eading

f f

the main

d ischarge

ani fo ld .

The

main

a lve

is

operated

cy

the

pi lo t

cy l inder

and

openedearl ier

han

he

c0. va lve

is

opened.

1.3

AUDIBLE

VISUAL

LARMS

Aud ib le

r

v isua l

a la rms

re norma l l y

pera ted

ia

:n

the

contro l

box.

Shutdown

f vent i la t ion

system

rpening

f contro l

box.

1.4

C0,EXTINGUtSHtNG

YSTEM

rheC0 ,ex t ingu ish ing ys tem n i t i zes a banko f

C0, y l i nders ,

-ormal ly

located

n

the

c0,

roorn.

he

number

f

cy l inders

equi red

Jepends

pon

olume

f

the

protected

pace.

l ischarge

of

the

extinguishing

gent

s

accompl

shed

by means

f

:pening

oncerned

top

valve,

cyl inder

valves

by manual.

1.5

C0, T0TAL

FLO0DING

YSTEM

a.

Betore

perat ing

he

system.

etermine

ccurate ly

he compartment

on f i re

and

ensure

o

personnel

re

in

that

compartment.

o increase

the

ef fect iveness

f

the

system

horoughly

et

tarpaul ins

nd

canvas

coverof hatches ndseal a l l openings, ent i la tors ,por ts soundi r "g

p ip ing

leading

o

compartment

f

re .

r .

Go o

va lve

man i fo ld

on ta in ing

a lve

eed ing

pace

f i r e

oper

^a :

con t ro l

va lve .

Discharge

nto

compartment

f i re

the

exact

nurber

f cy l nders

as

s,ecif ed

in

the

squares

or

the

corresponding

ornpartment

n

tf-p

&cie

: agram.

Go o

the

cQ cyl inder

room

nd

discharge

0, f rom

f-re unter.

: f

cy l inders

pec i f

ed ,

to d i scha rge

0 , rom

hecy l i n@rs

o ta te

:he

val

ve

ant c lockwise.

. l

a door

microswitch

is achieved

y


15/20

1E

d .

t .

At each

o l low ing

a l f hour

n te rva l .

Discharge

nto

the compartment

he exact number

f cyl nders

specified

in

the c i rc le

for

the corresponding

ompartment

n the

diagram.

C,ont inuehis

procedure

nt i l

the supply

f carbon

iox ide s

exhausted

o r i t

i s ce r ta in

ha t

the f i r e i s

ex t ingu ished .

Dur ing

he above

nd

unt i l ar r iva l

in

por t

keep l l

openings

ealed,

tarpaul ns

andhatch

coverswet and

control valve

open.

Do not open

hehatches

r

other openings

f compartment

looded

with

C,0 , n t i l a r r i va l

a t

po r t .

Th i s i s

to

per rn i t

u rned

argo

o coo l

and

p reven t

ek ind l ing

f

the f i re .

\OTE l f f i re is conf ind o twocompartmentsocated neabove he other.


16/20

11,

2 .

D A T A

S H E E T S

SEE

ATTACHED

ROJECT

RAWING


17/20

11

3 . 1

3 , 2

3 . 3

3 . 4

3 . 5

3 . 6

3 . 7

3 . 8

3 . 9

3 . 1 0

3 . 1 1

3. SYSTEMECHNCALSPECF CATON

CARBON

IOXIDE

IRE

EXTINGUISHING

YSTEM

..8

TYPE F

FIRE

CARBONIOXIDETORAGE

CYLINDER

AL\E

PRESSIJRE

CTUATOR

PILOT

LOOP

MANIFOLD

RRANGEMENT

PRESSURE

PERATED

AIN

AL\rE

......11

\ENTING

F

PILOT

INE

\ENT-BLEEDYPE

OR

PILOT

CONTROL

OX

L N E

. . . .

1 2

1 3

1 2


18/20

18

3.1 CARBON

IOXIDE

IRE

E}TINGUISHINGYSTEM

3 . 1 . 1 P R I N C I P L E

Carbon

ioxide

COr)

s standardommercial

roduct

ith many

otheruses

nd t

is readi ly vai lablehroughout

he

world.

At normalemperatures

nd

pressure

arbon

ioxide s an odourless

and

olourless

nert

gas

with a densi ty f approximately

0

percent

reater

than ens i ty

f a i r .

Asanext

nguishinggent,Or

hassome

esirableeatures.

3.1 2 CLEANLNESS

It is an insert

gas,

non-corrosive

i th

noharmful f fect

on most

mate r ia ls .t

w i l l no tcon tamina te

oodstu f.

I t d isperses

eaving o

materals trace.

3.1

3 NON-CONDUCTIVITY

I t

has

rea t

ie lec t r i c

t reng th nd

an eapp l ied

a fe ly o

l i ve

e lec t rca l equ ipment .

3.1

4 PENETRAT

ON

I t i s d ischarged

sa

gas

nd

t w i l l

pene t ra te

n too therw ise

i naccessb e post i ons.

3 .1 .5 APPLICATION

It

provides

ts own

ressure

or d ischarginghough

alves,

ipe

workandnozzles.

C0,

extinguishesire

by reducinghe oxygen

ontent

n the

atmosphere

o a

point

tvhere

t wi l l not support

ombust ion.

Reducinghe oxygen

ontent rom he

normal

1% n a i r to

15% i l l

ext ingu ish

most

ur face

i res

;

for

some

ater ia ls ,

however ,

t must e

reduced ven ower.

3.1.6

HAZARD

O PERSONNEL

Ihe d ischarge f la rgeamounts

f CQ to ext ingu ish

ire

may

create

hazards

o

personnel

uch

as oxygen eficiency

and

reduced

v i s i b i l i t y .

Thedi lu t ion of the oxygen

n the a i r ,

by

the CO,

concentra t

on

t l 'a t

l l i l l

e x t i ngu i sh

i re , may rea te tmosphe res

ha t

w i l l

no t

sus ta in

i f

e .

Suchatmospheres

i I I be

produced

n spaces

protected

by CO,

to ta l f lood ing ndmay y producedy any argevolume ischarge


19/20

ttl

d r i f t i ng

i n to ad jacen t

ow

p laces .

Persons endered nconscious

n

these atmospheres

an

usual y be

revived

withoutany

permanent

l l effects

ttvhen

romptly

emoved

rom

suchatmospheres.

Large

olume ischarges r CO,

may er

ously in ter f

ere wi th

v is ib i l i t y dur ing

nd mmed ia te ly

f te r the d i scha rge

er iod .

Carbon

ioxide

s normaly colourless,but

when ischarged

roma storage

cyl

nder

pressure

t resembles

c loud.

.2

TYPE FF RE

Fi res which

an

be ext ingu ished

f contro l led

y Oz

tota l f

looding

methods

ay y divided into

two categories,

namely

-

1) sur face i res invo lv ing lammableiqu ids, gases ndsol ids, and

2)

deep-seated

i res invo lv ing

ol ids subject o

smoulder ing.

3 2 ,1

SURFACE

RE

Surface

i res are the

most ommon

azard

par t icu lar ly

adaptab le o

extinguishmenty total

f loodingsystems.

heyare subject

to

prompt

ext nguishmentl 'ren O,

is

quickly

introduced

nto the space

n

suf f ic ient

quant i ty

o overcome

eakage nd

prov ide

n ext ingu ish ing

concentra t

on f or the

par t

cu lar nater

a ls invo lved.

Machinerypaces,

umpooms, aint and lamp tore, etc, are spaces

I ke ly to

produce

ur face

ype i res.

l l h i l e su r face u rn ing

anbe

qu ick ly

ex t ingu ishedhere

may

e

smoulder ing

ater ia landhot meta lsur faces.

The

CO,

concen t ra t ionhou ld

e he ld fo r a

t ime o a l low

mate r i a l s

o

coo lbeyonde- ign i t i on

o in t .

2,2 DEEP-SEATEDIRES

F i res n

genera l

a rgo sua l l y

ome i t h in th i s

ca tego ry

nd

t ' s

: . : i

o f f i re cannot e ext ingu isheduick ly .

TheCO,

w i l ex t ingu ishhe

ac t i vesur face

urn i :g

m a t e r i a l u s t e a l l o w e do

r e m a i n

n a n

t n e r :

? ' - ' .

pe r iod

f t ime o a l ow a rge

masses

f

-e : : '

,

' :

I t i s impor tanto

makehe

cargo

oa:?

c los ingopenings

l ' t i ch

ould l l r t

C; .

a i r

: - :

' -

: ' l 1 .

;r5s

i

' : n

: : ?

r-

)i-

"t :

i r g

f

'

*

ifSr f

? f r

' 1 - f f

The

COr

quant

ty

car

ied is a

I

in

:ec 3nro.r:

3,1

i' :eS:

3SS

:

e

-:


20/20

80

should

be

made

f

that

which

s available.

The

effectiveness

f the

O,

wi l l

be

increased

y

making

ure

that

openings

o

the

space

n

f i re

are

c losed .

I t i s

i m p o r t a n t

h a t

a s l i t t l e

d e l a y

s

p o s s i b l e

s a l l o w e d

e f o r e

operating

he CO,

system

but

the

work

of checking

he

location

of the

and he

clos ing

of

openings

s t ime

wel l

spent '

3

3

CARBON

IOXIDE

TORAGE

The

arbon

ioxide

s stored

s a

l iquid,

under

ressure,

n

high

pressure

s t e e l y l i n d e r s .

a ch

y l i n d e r

f

f l l e d

w i t h

i q u i d

C O z

equa l

t o

t w o

thirdsof the internal o lumef thecyl nder

T h e

r e s s u r e

w i t h i n

h e

c y l i n d e r

v a r i e s

w i t h

c h a n g e s

n a m b i e n t

temperature

the

pressure

ncreases

i th

r is ing

temperature

t

21]Q he

pressure

vould

e

58.6 bar(850

b/

irf) .

Each y l

nder

va lve

incorporates

safety

d isc

designed

o

rupture

and

discharge

the

CI,

contents

t a

pressure

afety

below

he

cyl inder

est

Dressure.

Care

must

be taken,

herefore,

o

ensure

hat

the

COrcyl inders

are

not

i n s t a l l e d

i n

a

p o s i t i o n

f r e r e

h e

e m p e r a t u r e

s

l i k e l y

o

e x c e e d

16?C(115F).

.4 CYL

NDER

ALVE

Each y l inder

is

f i t ted

wi th a

va lve

canbe

opened

neumat ica l ly

by gas

oressure)

r

mechanica l

y

and

manual ly

t ren

he

appropr ia te

ctuator

s

f i t t e d o i t .

Thevalve

is opened

y

depressing

n

actuator

rod,

the

end

of which

is

recessed

nto

the

valve

body.

The

actuator

rod is

recessed

nto the

cody o

tha t

the

va l ve

canno t

e acc iden ta l l y

pera ted

h i l e the

cy l

nder

s being

handled

ur

ng insta l

at

on

and

maintenance.

.5 PRESSURE

CTUATOR

rthen

he

CO,

system

s

to

be operated

utomatical ly

r

when

umber

f

oy l inders

re

to

be

manua l l y

pe ra ted ,

he

cy l inder

a lves

re

f i t t ed

w i th

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Training Manual 4

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