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NTPC SIMHADRI FIRE PROTECTION SYSTEM
FIRE WATER PUMP HOUSE FIRE HYDRANT SYSTEM SPRINKLER SYSTEM FOAM INJECTION SYSTEM INERGEN SYSTEMFIRE DETECTION AND ALARM SYSTEM FIRE PROTECTION SYSTEM FOR SEA WATER 33/11KV TRANSFORMERS CISF – FIRE WING
FIRE PUMP HOUSE
DIFFERENT EQUIPMENTS IN PUMP HOUSE
ELEC MOTOR DRIVEN HYDRANT PUMPS – 3 NOS
DIESEL ENGINE DRIVEN HYDRANT PUMP – 1NO
ELEC. MOTOR DRIVEN SPRAY PUMP- 1 NO
DIESEL ENGINE DRIVEN SPRAY PUMP
JOCKEY PUMPS – 2 NOS
AIR COMPRESSORS – 2 NOS
HYDRO – PNEUMATIC TANK
MOTOR DRIVEN BOOSTER PUMP
DIESEL ENGINE DRIVEN BOOSTER PUMP
NTPC SIMHADRI
FIRE PROTECTION SYSTEM
FIRE WATER STORAGE TANK – 1 (2300m3)
FIRE WATER STORAGE TANK – 2 (2300m3)
D/E D/E
H-M-01H-M-02H-M-03H-D-01WS-D-01WS-M-01
D/E
RING MAIN - 3
RING MAIN - 1
RING MAIN -2
BOOSTER PUMP HOUSE
U # 1 U # 2
SUCTION HDR
DISCH HDR
TO SPRINKLER SYSTEM
JP-M-01 JP-M-02
JOCKEY PUMPS
BP-M-01BP-D-01
AC-01 AC-02
HYDRO PNEUMATIC TANK
FIRE WATER PUMP HOUSE
AIR COMPRESSORS
NTPC SIMHADRI
FIRE PROTECTION SYSTEM
FIRE HYDRANT PUMPS
MAKE : KIRLOSKAR
NO OF PUMPS : 04 (03 MOTOR DRIVEN, 01 DIESEL DRIVEN)
TOTAL HEAD : 88 MWC
CAPACITY : 410 M3/Hr
MOTOR : 200kw / 3.3 KV
DIESEL ENGINE
MAKE : KIRLOSKAR CUMMINS
TYPE : COMPRESSION IGNITION
RATING : 231 hp
SPEED : 1500RPM
NTPC SIMHADRI
FIRE PROTECTION SYSTEM
FIRE WATER PUMP HOUSE
SPRINKLER PUMPS
NO OF PUMPS : 2 (1MOTOR DRIVEN, 1 DIESEL DRIVEN)
MAKE : KIRLOSKAR
CAPACITY : 410 M3/Hr
HEAD : 88MWC
MOTOR RATING : 200 KW/ 3.3 KV
DIESEL ENGINE
MAKE : KIRLOSKAR CUMMINS
TYPE : COMPRESSION IGNITION
RATING : 231 hp
NTPC SIMHADRI
FIRE PROTECTION SYSTEM
FIRE WATER PUMP HOUSE
FIRE WATER PUMPS AUTO OPERATION AVAILABLE.
TOTAL FIRE WATER PUMP HOUSE PLC BASED OPERATION.
UNLIKE OTHER PROJECTS HERE PUMPS SUCTION IS FROM TANKS WHICH ARE ABOVE THE GROUND.
TANK MAKEUP IS FROM RAW WATER PUMP DISCHARGE.
TANK LEVEL IS BEING MAINTAINED WITH THE HELP OF MOV IN AUTO.
MODIFICATION :
FIRE WATER PUMPS RUNNING STATUS PROVIDED IN DDCMIS.
FIRE WATER HEADER PRESSURE INDICATION PROVIDED IN DDCMIS.
FIRE WATER PUMP RUNNING ALARM PROVIDED IN DDCMIS.
FIRE WATER TANK LEVELS PROVIDED IN DDCMIS
NTPC SIMHADRI
FIRE PROTECTION SYSTEM
FIRE WATER PUMP HOUSE
AUTOMATIC START UP SEQUENCE FOR HYDRANT PUMPS :
IF ANY PUMP RUNNING
HM 01 < 6.5 ksc WITH TD 15 Sec
HM 02 < 6.0 ksc WITH TD 15 Sec
HM 03 < 5.5 ksc WITH TD 15 Sec
HD 01 < 5.0 ksc NO TIME DEAY
IF NO PUMP RUNNING
HM 01 < 6.5 ksc WITH NO TD
HM 02 < 6.0 ksc WITH TD 2 Sec
HM 03 < 5.5 ksc WITH TD 4 Sec
AUTO SEQUENCE IS CHECKED ONCE IN A MONTH. PROTOCOL DULY SIGNED BY OPERATION AND C&I
NTPC SIMHADRI
FIRE PROTECTION SYSTEM
FIRE WATER PUMP HOUSE
NTPC SIMHADRIFIRE PROTECTION SYSTEM
FIRE WATER(BOOSTER) PUMP HOUSE
• FIRE BOOSTER PUMP HOUSENO OF PUMPS : 02
(1 MOTOR DRIVEN & 1 DIESEL DRIVEN)CAPACITY : 137 M3HEAD : 56 MWCRATING : 45 KW
NTPC SIMHADRIFIRE PROTECTION SYSTEM
FIRE WATER(BOOSTER) PUMP HOUSE
BOOSTER PUMPS MAINLY CATERS THE NEEDS OF• HYDRANTS AT HIGHER ELEVATIONS OF BOILER.• HYDRANTS AT CHP HIGHER ELEVATIONS TPS.
MODIFICATION:
• BOOSTER PUMP DISCHARGE ALSO CONNECTED TO HIGH RISE CONVEYER MULSIFIER SYSTEM.
FIRE HYDRANT SYSTEM
FIRE HYDRANT SYSTEM
HYDRANT SYSTEM CONSISTS OF LARGE NETWORK OF PIPES BOTH UNDERGROUND AND ABOVE GROUND.
INDOOR AND OUTDOOR HYDRANT VALVES LOCATED THROUGHOUT THE POWER STATION.
ENTIRE HYDRANT NETWORK IS DIVIDED INTO THREE RING MAINS.
ALL RINGS MAINS ARE INTERCONNECTED TO EACH OTHER.
NTPC SIMHADRI
FIRE PROTECTION SYSTEM
RING MAIN – I
WHICH COVERS BOTH BOILER & TG AREA, TRANSFORMERS YARD, BOTH ESP & VFD CONTROL ROOMS, BOTH ESP’S
RING MAIN – II
WHICH COVERS HFO PUMP HOUSE, CANTEEN, PERMANENT STORES, CONSTRUCTION OFFICE, ENTIRE CHP, H2 PLANT
RING MAIN – III
WHICH COVER DM PLANT, WATER PRE TREATMENT PLANT, CHLORINATION PLANT, CW PUMP HOUSE, SWITCH YARD, FIRE STATION, GATE COMPLEX AND TIME OFFICE
NTPC SIMHADRI
FIRE PROTECTION SYSTEM
FIRE HYDRANT SYSTEM
MODIFICATIONS DONE:INSTEAD OF HYDRO PNEUMATIC TANK ONE HYDRANT
PUMP IS KEPT IN SERVICE CONTINUOSLY.ACCORDINGLY PUMP AUTO START SETPOINTS CHANGED.BOTTOM ASH HOPPER FILLING IS FROM FIRE HYDRANT
LINE.BOTTOM ASH HOPPER SEAL TROUGH FILL AND
REFRACTORY COOLING WATER IS FROM FIRE HYDRANT LINE.
FIRE BOOSTER PUMP IS KEPT IN SERVICE CONTINUOSLY FOR KEEPING THE HIGH RISE COAL CONVEYERS MULSIFIERS IN AUTO.
NTPC SIMHADRI
FIRE PROTECTION SYSTEM
FIRE HYDRANT SYSTEM
FIRE SPRINKLER SYSTEM
SPRINKER SYSTEM
SPRAYS WATER IN FINELY DIVIDED DROPLETS TRAVELLING AT HIGH OR MEDIUM VELOCITY TO GIVE PROTECTION TO THE FIRE AFFECTED AREA.
THE SPRAY SYSTEM CAN CONTROL FIRE IN THREE WAYS :
SMOOTHERING: BY DIRECTLY COOLING THE SURFACE OF THE LIQUID, THUS REDUCING THE RATE OF VAPOURISITION
BLANKETING : BY PRODUCING STEAM WHICH DILUTES THE AIR AND VAPOUR FEEDING THE FIRE
COOLING: BY INTRODUCING DROPLETS INTO THE FLAME THUS COOLING IT AND REDUCING THE TRANSFER OF HEAT BACK TO THE LIQUID SURFACE
NTPC SIMHADRI
FIRE PROTECTION SYSTEM
PRESSURISATION SYSTEM
PRESSURISATION OF RING MAINS / SPRAY LINES SHALL BE DONE THROUGH THE COMBINATION OF HYDRO-PNEUMATIC TANK, JOCKEY PUMPS AND AIR COMPRESSORS (2 X 100%CAPACITY)
MINOR LEAKAGE IN THE PRESSURISED FIRE WATER SYSTEM SHALL BE REPLENISHED FROM HP TANK.
HP TANK SHALL BE FILLED WITH JOCKEY PUMP UPTO ½ OR 2/3 OF THE PORTION.
TANK PRESSURE WILL BE MAINTAINED WITH DEDICATED AIR COMPRESSOR.CAPACITY OF JOCKEY PUMPS
NO OF PUMPS : 2 NOS (BOTH MOTOR DRIVEN)CAPACITY : 40 M3/HR HEAD : 88 MWC
NTPC SIMHADRI
FIRE PROTECTION SYSTEM
BASED ON REQUIREMENT SPRAY SYSTEM IS CONSIDERED AS
• HIGH VELOCITY WATER SPRAY SYSTEM (HVW)
• MEDIUM VELOCITY WATER SPRAY SYSTEM (MVW)
THE SYSTEM IS DESIGNED SO THAT, THE RUNNING PRESSURE OF WATER IN SPRAY SYSTEM IS
1.4 TO 3.5 KSC FOR MVW SYSTEM
3.5 TO 5.0 KSC FOR HVW SYSTEM
NTPC SIMHADRI
FIRE PROTECTION SYSTEM
SPRINKLER SYSTEM
AUTOMATIC HIGH VELOCITY WATER SPRAY SYSTEM
DETECTORS ARE OF QUARTZOID BULB TYPE OF 79OC FIXED TEMP
HVW NOZZLES OF VARIOUS SPRAY ANGLES.
FIRE IS SENSED BY BREAKAGE OF QUARTZOID BULB AND DROP IN PRESSURE.
THIS WILL RESULT IN OPERATION OF DELUGE VALVE AND SPRAY OF THE PROTECTED AREA.
DELUGE VALVE OPERATION ALARM IS PROVIDED IN FIRE ALARM PANEL.
NTPC SIMHADRI
FIRE PROTECTION SYSTEM
SPRINKLER SYSTEM
HVW SPRAY SYSTEM COVERS
GENERATOR TRANSFORMERS
STAND BY TRANSFORMER
UNIT AUXILIARY TRANSFORMER
MISCELLANEOUS SERVICE TRANSFORMER
MAIN OIL TANK & OIL PURIFIER
CENTRAL LUBE OIL PURIFIER UNIT ROOM
BOILER BURNER FRONT
BFP LUBE OIL TANKS & COOLERS
GENERATOR SEAL OIL UNIT
TURBINE OIL CANALS
FUEL OIL TANKS FOR D.G.SETS
NTPC SIMHADRI
FIRE PROTECTION SYSTEM
MEDIUM VELOCITY WATER SPRAY SYSTEM
IN ORDER TO AVOID TOTAL FLOODING OF THE AREA IN THE EVENT OF A FIRE IN A PARTICULAR ZONE, THE AREA IS DIVIDED INTO NO.OF ZONES
EACH ZONE WILL HAVE SEPARATE WATER SUPPLY NETWORK CONTROLLED BY A DELUGE VALVE.
IN THE EVENT OF FIRE IN ANY ZONE, DELUGE VALVE OF CORRESPONDING ZONE AND THOSE OFADJACENT ZONE ON EITHER SIDE SHALL BE OPENED.
NTPC SIMHADRI
FIRE PROTECTION SYSTEM
SPRINKLER SYSTEM
MVW SPRAY SYSTEM
ALL CABLE GALLERIES / CABLE VAULTS / CABLE SPREADER ROOM
FUEL OIL PUMPING STATION
ALL CONVEYORS INCLUDING TP’S AND CRUSHER HOUSE
OUTSIDE SHELL SURFACE OF FUEL OIL TANKS
NOTE : SMOKE DETECTORS OF BOTH IONISATION AND PHOTO-ELECTRIC TYPE IN CROSS ZONING PRINCIPLE SUPPLEMENTED WITH LINEAR HEAT SENSING CABLES SHALL BE USED TO DETECT FIRE IN CABLE GALLERIES.
NTPC SIMHADRI
FIRE PROTECTION SYSTEM
SPRINKLER SYSTEM
DELUGE VALVE
OPERATION OF DELUGE VALVE
CONSTRAINTS:
MOT,SEAL OIL SYSTEM,OILCANEL MULSIFIER NOT KEPT IN AUTO ENDANGEROURING THE UNIT RUNNING.
CABLE GALLERY BELOW UCB NOT KEPT IN AUTO AS BELOW THIS FLOOR UPS AND EAST(C&I) PACKAGE PANELS ARE LOCATED.
NTPC SIMHADRI
FIRE PROTECTION SYSTEM
SPRINKLER SYSTEM
FOAM INJECTION SYSTEM
FOAM SYSTEM FOAM PROTECTION SYSTEM SHALL BE PROVIDED FOR FOPH AREA AND FUEL OIL TANKS.
THIS CONSIST OF :
a) FOAM CONCENTRATE DISCHARGE PUMP (2 nos)
b) FOAM CONCENTRATE DISCHARGE TANKS.
c) BALANCE PRESSURE PROPOTIONERS WITH AUTOMATIC CONTROLLING VALVES
e) FOAM MAKER FOR INDIVIDUAL FO TANK
f) FOAM HYDRANT POINT AROUND THE DYKE.
NTPC SIMHADRI
FIRE PROTECTION SYSTEM
FIRE IN THE TANK SHALL BE DETECTED BY MEANS OF THERMAL STRIPS DETECTOR.
FOAM PUMP WILL TAKE START IN AUTO.
RELATED MOTOR OPERATED VAVLES OPENS IN AUTO FOR CORRESPONDING EFFECTED TANK.
AQUEOUS FILM FORMING FOAM (AFFF) WILL POUR INTO THE TANK.
WATER REQUIREMENT FOR FOAM SYSTEM IS TAPPED FROM HYDRANT SYSTEM HEADER
NTPC SIMHADRI
FIRE PROTECTION SYSTEM
FOAM SYSTEM
LS1 LS2
PS
PS
PS
PS
PGPG PGPG PGPG PGPG PGPG
FOAM CONCENTRATION TANK - 1
FOAM CONCENTATION TANK - 2
PROPOTINERS WITH CONTROL V/V’S
LDO TANK-1 LDO TANK-2
HFO TANK - 1
HFO TANK - 2
DM
HYDRANT LINE
FOAM CONCENTRATE LINE
NTPC SIMHADRI
FIRE PROTECTION SYSTEM
FOAM PUMP HOUSE
MODIFICATION DONE:
FOAM OPERATION ALARM HAS BEEN PROVIDED IN FOPH CONTROL ROOM ALONG WITH CHP FAP-3 PANEL.
COSTRAINT:
SYSTEM COULD NOT BE KEPT IN AUTO AS FOAM SYSTEM INVOLVES MORE NUMBER OF MOV WHICH ARE LIKELY TO BE PASSING AND WATER MAY ENTER INTO THE FUEL OIL TANKS.
NTPC SIMHADRI
FIRE PROTECTION SYSTEM
FOAM SYSTEM
INERGEN GAS SYSTEM
INERGEN SYSTEM
AREAS TO BE COVERED UNDER THIS SYSTEM ARE (6 ZONES)
UNIT CONTROL ROOM
EER 1 & 2 (17.5 MTS)
COMPUTER ROOM (17 MTS)
UPS ROOM 1 & 2 AT 8.5 m
“INERGEN SYSTEM OPEATION IS AUTOMATIC THROUGH FIRE SMOKE DETECTORS ( BOTH PHOTO ELECTRICAL AND IONISATION TYPE ON CROSS ZONE CONCEPT )
NTPC SIMHADRI
FIRE PROTECTION SYSTEM
THERE ARE TWO STREAMS OF CYLINDERS (MAIN AND RESERVE).
EACH STREAM CONSIST OF 105 CYLINDERS.
EACH STREAM IS DIVIDED INTO THREE BANKS (BANK-1, 2, 3)
GAS IS RELEASED INTO DISCHARGE MANIFOLD THROUGH SOLENOID VALVES FROM THE CYLINDERS.
FROM DISCHARGE MANIFOLD GAS GOES TO EFFECTED ZONE THROUGH DIRECTION VALVES.
CYLINDER FITTED WITH ELECTRICAL ACTUATOR (SOLENOID) ON THE CYLINDER VALVE ARE TERMED AS “ MASTER CYLINDER”, WHEREAS THE REMAINING CYLINDERS TERMED AS “SLAVE”
NTPC SIMHADRI
FIRE PROTECTION SYSTEM
INERGEN SYSTEM
REQUIREMENT OF “INERGEN” GAS QUANTITY :
TO EXTINGUISH A FIRE USING AN INERT GAS, THE OXYGEN LEVEL IN THE PROTECTED VOLUME HAS TO BE REDUCED.
FOR A STANDARD “INERGEN” SYSTEM , THE EFFECTIVE DESIGN CONCENTRATION FOR EXTINGUISHING SHALL BE 37.5% OF INERGEN GAS LEVEL .
THUS REDUCING THECONCENTRATION OF O2 TO THE REQUIRED LEVEL.
EER – 1 (17 mt)
( 2709 M3 )105 Nos
EER – 2 (17 mt)
( 2709 M3 )105 Nos
UCR 1& 2
( 1275 M3 )105 Nos
COMPUTER ROOM
( 651 M3 )53 Nos
EER-1 & UPS (8.5m)
( 503 M3 )41 Nos
EER-2 & UPS (8.5 m)
( 503 M3 )41 Nos
NTPC SIMHADRI
FIRE PROTECTION SYSTEM
BANK -1 MAIN
BANK –1 RESERVE
BANK – 2 MAIN
BANK – 2 RESERVE
AS 9AS 7
INERGEN CYLINDER BANK
AS 10AS 8
UCR-1
(DV14)
EER-2
(DV13)
EER-1
(DV15)
UCR-2
(DV12)
EER-1
(DV11)
EER-2
(DV10)
COMP ROOM
(DV 9)
EER-1&UPS
(DV 8)
EER-2 & UPS (DV 7)
AS 5
AS6
AS3
AS4
AS1
AS2
BANK – 3 MAIN
BANK – 3 RESERVE
EER-1
(DV 6)
EER-2
(DV 4)
COMP ROOM (DV 3 )
EER-2 & UPS ( DV 1)
UCR-2
(DV 5)
EER-1 & UPS ( DV 2)
UCR 1&2
EER-1
EER-2
COMP ROOM
EER-2 & UPS
EER-1 & UPS
B1 M - 18
B1 M – 17
B2 M – 35
B3 M - 35
A - 05
A – 07
A – 03
A - 01
DV – 5
DV – 12
DV - 14
A – 06
A – 08
A – 04
A - 02
B1 R – 18
B1 R – 17
B2 R – 35
B3 R - 35
1. UCR 1 & 2
2. EER -1
B1 M - 18
B1 M – 17
B2 M – 35
B3 M - 35
A - 05
A – 07
A – 03
A - 01
DV – 6
DV – 11
DV - 15
A – 06
A – 08
A – 04
A - 02
B1 R – 18
B1 R – 17
B2 R – 35
B3 R - 35
B1 M - 18
B1 M – 17
B2 M – 35
B3 M - 35
A - 05
A – 07
A – 03
A - 01
DV – 4
DV – 10
DV - 13
A – 06
A – 08
A – 04
A - 02
B1 R – 18
B1 R – 17
B2 R – 35
B3 R - 35
3.EER - 2
*** A - ACTUATOR** DV – DIRECTIONAL VALVE
NTPC SIMHADRI
FIRE PROTECTION SYSTEM
B1 M – 18
B2 M - 35
A – 05
A - 03
DV – 3
DV - 9
A – 06
A - 04
B1 R – 18
B2 R - 35
4.COMPUTER ROOM
B1 M – 06
B2 M - 35
A – 09
A - 03
DV – 3
DV - 8
A – 10
A - 04
B1 R – 06
B2 R - 35
5.EER & UPS (U#1)
B1 M – 06
B2 M - 35
A – 09
A - 03
DV – 1
DV - 7
A – 10
A - 04
B1 R – 06
B2 R - 35
6.EER & UPS (U#2)
NTPC SIMHADRI
FIRE PROTECTION SYSTEM
FIRE DETECTION
AND
ALARM SYSTEM
FIRE IS BEING DETECTED BY VARIOUS MEANS
IONISATION TYPE SMOKE DETECTION SYSTEM
PHOTO ELECTRIC TYPE SMOKE DETCTION SYSTEM
LINEAR HEAT SENSING CABLE DETECTION SYSTEM
INFRA RED DETECTORS
NON ADDRESSABLE QUARTZOID BULB HEAT DETECTION SYSTEM
ADDRESSABLE ELECTRICAL TYPE HEAT DETECTORS
NTPC SIMHADRI
FIRE PROTECTION SYSTEMFIRE DETECTION & ALARM SYSTEM
IONISATION SMOKE DETECTOR
SENSING ELEMENT OF THE DETECTOR IS AN IONISTION CHAMBER
IT CONSISTS OF TWO ELECTRODES AND A RADIOACTIVE SOURCE, AMERICIUM 241, FOR IONISING THE AIR IN THE CHAMBER
SOURCE EMITS ALPHA PARTICLE THAT COLLIDE WITH AIR MOLECULES DISLODGE THEIR ELECTRONS
EQUAL NO OF + AND – IONS IS CREATED AND WILL BE ATTRACTED BY THE ELECTRODES.
CREATING A SMALL ION CURRENT THROUGH THE CHAMBER (APPRO. 0.3mA)
IF ANY SMOKE IS BEING SENSED, THE CHANGE IN ION CURRENT SENSED BY ELECTRONIC CIRCUIT
NTPC SIMHADRI
FIRE PROTECTION SYSTEMFIRE DETECTION & ALARM SYSTEM
PHOTO – ELECTRIC SMOKE DETECTOR
SENSING ELEMENT OF THE DETECTOR IS AN OPTICAL CHAMBER OPERATING ON THE SCATTERED LIGHT EFFECT
AN INFRARED LIGHT EMITTING DIODE IS BEAMED INTO THE CHAMBER
THIS LIGHT DOES NOT REACH THE PHOTOCELL DIRECTELY, BUT SMALL AMOUNT OF LIGHT IS SCATTERED ENTERS THE PHOTOCELL
IF SMOKE ENTERS THE CHAMBER, MORE LIGHT WILL BE SCATTERED, AND THE SIGNAL FROM PHOTOCELL INCREASES
IF ANY SMOKE IS BEING SENSED, CHANGE IN AMOUNT OF LIGHT REACHES THE PHOTOCELL WILL BE VARIED, THIS VARIATION GIVES THE INDICATION FOR PRESENCE OF SMOKE
NTPC SIMHADRI
FIRE PROTECTION SYSTEM
HEAT DETECTORS
SENSING ELEMENT OF DETECTOR IS A THERMISTOR WITH NEGATIVE TEMPERATURE COEFFICIENT, WHICH IS EXPOSED TO THE AMBIENT AIR
A CAPACITOR CONNECTED TO A COMPACTOR IS BEING CHARGED AND COMPARED TO A REF VOLTAGE. THIS REF VOLTAGE IS CONTROLLED BY THE VALUE OF THE THERMISTOR
WHEN CHARGING VOLTAGE REACHES THE REF, THE DETECTOR TURNS OFF AND TERMINATES AND ANSWER TIME. NORMALLY, ANSWER TIME WILL BE APPR. 60mS
ANSWER TIME INCREASES WITH RISE IN TEMP
NTPC SIMHADRI
FIRE PROTECTION SYSTEM
LINEAR HEAT SENSING DETECTOR
THIS TYPE OF DETECTORS ARE USED IN ALL CABLE GALLERIES / CABLE VAULTS
LINEAR HEAT SENSOR IS A TWIN CONDUCTOR CABLE WITH TEMPERATURE SENSITIVE INSULATION PROTECTED BY A SPECIAL POLYMER OUTER SHEATH TO MEET SPECIFIC REQUIREMENT
SENSING CABLE WILL RUN ACROSS THE CABLE GALLERY
LHS CABLE OPERATES BY SHORT CIRCUITING IN A FIRE CONDITION.
NTPC SIMHADRI
FIRE PROTECTION SYSTEM
INFRARED DETECTOR
THESE DETECTORS ARE BASICALLY CAMERA TYPE AND USED FOR DETECTING THE FIRE IN MOTION.
COAL BELT CONVEYORS IN CHP ARE BEING PROVIDED WITH THESE TYPE OF DETECTOR TO DETECT THE FIRE.
NTPC SIMHADRI
FIRE PROTECTION SYSTEM
FIRE DETECTION & ALARM SYSTEM
THE CENTRALIASED FIRE DETECTION & ALARM SYSTEM PROVIDED WITH. MASTER SYSTEM CPU.-BS400 ANALOG ADDRESSABLE PANELS INCLUDING ALARM MONITORING MODULES, SYSTEM SUPERVISORY CONTROL MODULES, ISOLATORS,OUT PUT CONTROL MODULE PC – PENTIUM BASED MONITORING STATIONS AT UCB # 1&2 AND CHP CONTROL ROOM.
NTPC SIMHADRI FIRE PROTECTION SYSTEM
FIRE DETECTION & ALARM SYSTEM
REPEATOR PANEL AT FIRE STATION.SWITCHYARD CONTROL ROOM ALARM STATION.ANALOG ADDRESSABLE SMOKE/HEAT AND GAS DETECTORSNON ADDRESSABLE TYPE DETECTORS.PANELS DISPLAY VISUALLY AND AUDIBLY LOCATION DETAILS OF THE DETECTOR(S) WHERE FIRE / FAULT HAS OCCURRED.FIRE ALARM SIREN IS PROVIDED ABOVE THE SANKALP BUILDING WITH A RANGE OF 5KM RADIOUS.
NTPC SIMHADRI FIRE PROTECTION SYSTEM
FAP 1
FAP 2
FAP 3 CHP
BS 100
COMMUNICATION CARD
COMMUNICATION CARD
COMMUNICATION CARD
BSL - 100
MULTI
PLEXER
KDL-26B
CENTRAL
CPU-BS400
PC -1 U#1
PC – 2 U#2
REPEATOR PANEL
FIRE STATION
PC-3
CHP
NTPC SIMHADRI FIRE PROTECTION SYSTEMCENTRAL MONITORING SYSTEM
NTPC SIMHADRI
FIRE PROTECTION SYSTEM
CONFIGURATION OF FIRE ALARM PANEL
ISD PSD
LOOP
MODULE
BSD - 100
FAP
MICRO
PROCESSOR
BSJ 100
CONTROL
OUTPUT
MODULE
RELAY
BOARD
PS
INTERFACE UNIT
MAX NO.OF DETECTOR IN A LOOP : 99
BSU - 50
AREAS UNDER EACH LOOP ( TOTAL NO OF LOOPS : 08)
AREALOOP
ESP CABLE VAULT 0 & 8.5 m; SWITCHGEAR 3.5 m 00
ESP CONTROL ROOM 12 m; BBF 01
CABLE VAULT 0 m; HT SWITCHGEAR 3.5 m 02
CABLE VAULT 5.1&8.5m; UPS 8.5m; DCDB 03
BATTERY ROOM
NTPC SIMHADRI
FIRE PROTECTION SYSTEMFIRE DETECTION & ALARM SYSTEM
AREAS UNDER EACH LOOP ( TOTAL NO OF LOOPS : 08)
AREALOOP
LT SWRG 12m & CABLE VAULT 13.5m 04
UCB, EER, COMPUTER ROOM 05
CABLE VAULT 24m; BOILER MCC 06
TRANSFORMER AREA; DM PLANT; CWPH; CPU 07
DMPH-MCC; FWPH; BOOSTER P/H
NTPC SIMHADRI
FIRE PROTECTION SYSTEMFIRE DETECTION & ALARM SYSTEM
NITROGEN INJECTION FIRE PROTECTION SYSTEM
THIS SYSTEM IS BEING USED FOR SEA WATER TRANSFORMERS ( 33 / 11 KV )
NITROGEN GAS IS USED TO CHILL THE OIL IN THE TRANSFORMER AND CREATE A BLANKETING EFFECT OVER THE OIL BATH
THIS SYSTEM IS DESIGNED FOR OIL FILLED TRANSFORMERS
SYSTEM TAKES CARE FOR BOTH INTERNAL FAULTS RESULTING IN ARC AND EXTERNAL FAILURE LIKE BUSHING FIRE, OLTC FIRE, etc.
NTPC SIMHADRI
FIRE PROTECTION SYSTEM
SEA WATER TRANSFORMER N2 INJECTION SYSTEM
THIS SYSTEM WORKS ON THE PRINCIPLE OF “DRAIN AND STIR”
DRAINS A PRE DETERMINED QUATITY OF OIL FROM THE TANK TOP THROUGH OUTLET VAVLE
REDUCES THE TANK PRESSURE
INJECTS INTROGEN GAS FROM THE LOWER SIDE OF THE TRANSFORMER THROUGH VALVES TO CREATE STIRRING ACTION INSIDE.
REDUCES THE TEMPERATURE OF OIL BELOW FLASH POINT TO EXTINGUISH THE FIRE
TRANSFORMER ISOLATION IS AN ESSENTIAL PRE REQUISITE FOR ACTIVATING THE SYSTEM
NTPC SIMHADRI
FIRE PROTECTION SYSTEM
INTERNAL FAILURE EXTERNAL FIRE REMOTE/MANUAL TRIGGERING
DIFFERENTIAL RELAY TRIP
FIRE DETECTOR MANUAL OPERATION
BUCHHOLZ RELAY TRIP
P R V TRIP
CIRCUIT BREAKER TRIP (TRS ISOLATION)
MAINTENANCE LOCK
OIL DRAIN VALVE OPENPNRV OPERATION
(CONSERVATIVE OIL ISOLATION) TIME DELAY
0.5-0.7 SECMAINT LOCK
NITROGEN INJECTION
LOGICAL DIAGRAM FOR N2 INJECTION SYSTEM
NTPC SIMHADRI
FIRE PROTECTION SYSTEM
CISF – FIRE WING
1 No FIRE WATER TENDER; TYPE – B FIRE BRIGADE
1 No FIRE JEEP WITH TRAILER PUMP WITH ALL ACCESSORIES
1 No FOAM TENDER WITH ALL ACCESSORIES
4 Nos FIRE SUITS
10 Nos BREATHING APPARATUS
2 SETS OF FIRST AID KITS
2 Nos TELESCOPIC LADDERS
10 Nos FIBER GLASS BLANKETS
NTPC SIMHADRI
FIRE PROTECTION SYSTEM
NTPC SIMHADRI FIRE PROTECTION SYSTEM