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Fire Fighting
Fire Fighting
Fire Fighting
Fire Fighting
Fire Fighting
Fire Fighting
Fire Fighting
Fire Fighting
Fire Fighting
Fire Fighting
Fire Fighting
Fire Fighting
Fire Fighting
Fire Fighting
Fire Fighting
Fire Fighting
Fire Fighting
Fire Fighting
Fire Fighting
Fire Fighting
Fire Fighting
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Fire Fighting
Fire Fighting
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Fire Fighting
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Fire Fighting
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Fire Fighting
Fire Fighting
Fire Fighting
Fire Fighting
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Fire Fighting
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Fire Fighting
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Fire Fighting

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yangınla mücadele

yangınla mücadele

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  • 1. Fire fighting system Summary Part 1 l Purpose l What is a Fire ? l Type of Fire Protection l Type of Fire Detection Part 2 l Fire Equipment Description for RADES l Procedures in Case of Fire
  • 2. Fire fighting system Purpose Why fire fighting system is provided ? l To protect people against fire l To save major equipment l To reduce the damages done by the fire l To help firemen fight the fire
  • 3. Fire fighting system Purpose Fire engineering l Fire Risk Area l Fire Risk Analysis l Fire Regulations l Fire Detection & Protection Systems
  • 4. Fire fighting system What is a fire ? Fire development ignition source fire oxygen fuel
  • 5. Fire fighting system What is a fire ? Fire classes (according to NFPA) l Class A : Paper, wood l Class B : Oil, gasoline l Class C : Hydrogen, Methane l Class D : Special metal l Class E : Electrical fire
  • 6. Fire fighting system Type of fire protection Control the Fire no fire oxygen fuel
  • 7. Fire fighting system Type of fire protection Control the fire ignition source no fire fuel
  • 8. Fire fighting system Type of fire protection Type of extinguishing l Class A : Water, Foam, Dry powder l Class B : Dry powder, CO2 l Class C : Dry powder l Class D : Not applicable l Class E : Dry powder, CO2
  • 9. Fire fighting system Type of fire detection Several stages of the fire l Invisible smoke / Gas l Visible smoke l Heat l Flame
  • 10. Fire fighting system Type of fire detection Fire alarm control panel l Detect a Fire l Give a Visual & Audible Alarm l Shut off the Air Conditioning (Interlock) l Actuate the Automatic Extinguishing System l Inform Firemen
  • 11. Fire fighting system Questions ? l Fire without oxygen is possible YES or NO l Which is fire class for paper _________ l Which is fire class for hydrogen _________ l Water can extinguish fire class B YES or NO l Dry powder can be use for all class YES or NO l Flame is the last stage of the fire YES or NO
  • 12. Fire fighting system ÇAN combined cycle fire fighting system
  • 13. FIRE FIGHTING WATER SUPPLIES (KKS Code SGA) 6. FIRE FIGHTING PUMPING STATION The fire fighting water pumps are arranged in Raw water Pump Station with a Raw Water Basin partitioned in two different bays of 5000 m3 each and accessible from the outside. The fire water Pump station shall be complete of Fire Pump Controllers ,Fuel Oil Tank and Air pressure maintenance device. The water pressure within the firewater loop system is maintained by 2 (one plus stand-by)separate pressure maintenance pump (jockey pump unit). 6.1 JOCKEY PUMPS - Quantity: 2 (one + stand-by) - pump location: Raw water pump house - design flow: 20 m3/hr - design total head: 100 m - Submergence min : 1m* When the header pressure drops in the fire water main, due to opening hydrants for example, the electrical fire pump (or diesel fire pump in case of electric fire pump failure) automatically starts up and supplies the required pressure and water quantity. 6.2 ELECTRICAL DRIVEN FIRE WATER PUMP - Electrical driven fire water pump: 1 x 100 % - pump location: Raw Water pumphouse - design flow: 264 m3/hr - design total head: 97 m - NFPA 20 Rating: 1250 GPM * - power shaft: 140 kW - Submergence min: 1m 6.3 DIESEL ENGINE DRIVEN FIRE WATER PUMP - Diesel Engine Driven Fire Water Pump : 1 x 100% - pump location: Raw water Pumphouse - design flow: 264 m3/hr - design total head: 97 m - NFPA 20 Rating: 1250 GPM * - power shaft: 140 kW - Submergence min: 1m The start-up of the fire pump activates an alarm at the main fire control unit located in the Main Fire Alarm Control Panel in control room. When the fire pump(s) is no longer needed, it must be manually switched off.
  • 14. Hydrants General Hydrants shall be located along the fire main according to the following criteria: • spacing at a maximum distance of 75 mt • Minimum distance from the building:12 mt Hydrant Cabinets in Defined areas Hydrant cabinets shall be provided enclosing in loop the following buildings : • B01 Boiler • B03 Turbine Hall • G17 Auxiliary Boiler • Dike of the Fuel Oil Daily Tank • Dike of the Fuel Oil Storage Tanks:C01 and C02 • C03 Fuel oil pumping Station
  • 15. 7.1 DELUGE WATER SYSTEMS (KKS Code :SGC) The deluge systems shall adopt "High velocity water spray nozzles". 7.1.1 Main and Unit Transformers The transformers to be protected shall be: • No. 2 Main Transformer of 200 MVA each • No. 2 Unit Transformer of 40 MVA each 7.1.2 Coal Mills in the Crusher House The Coal Mills in the Crusher House to be protected shall be: • Coal Mill in C52 Primary Crusher house • Coal Mill in C53 Secondary Crusher house • Coal Mill in C54 Tertiary Crusher house
  • 16. Commessa/Job: 20290 Doc. No. : SHSH4236 Fire & Rev. :1 Security Fg./Sh. : 16 di/of 53 Wormal d FIGURE 1 DELUGE VALVE ASSEMBLY DV.SGQ 13 - 21.02.00
  • 17. TO SYSTEM WATER SUPPLY - Set Position - Figure C-l TO SYSTEM UP z z’ ALARM PORT WATER ‘SUPPLY - Open Position (Flowing)- Figure C-2 TO SYSTEM I I WATER ‘SUPPLY - Open Position (No Flow)- Figure C-3 FIGURE C MODEL F470 EXTERNAL RESETTING MULTIMATIC DELUGE VALVE - SET AND OPEN POSITIONS -
  • 18. SOLENOID VALVE (FOR ELECTRIC DIAPHRAGM CHAMBER SUPPLY Left View Front View Nominal Installation Dimensions in Inches and (MM) B C D E F G H J K 8.69 14.25 13.69 19.00 (220,7) (362,0) (347,7) (462,6) (15&‘) (l%;) (~~~) (lk$, (%?5) 6.69 15.12 14.50 20.00 5.50 7.62 8.88 8.56 6.31 (220,7) (384,0) (368,3) (508,O) (139,7) (193,5) (225,6) (217,4) (160,3) FIGURE D NOMINAL INSTALLATION DIMENSIONS FOR WET PILOT ACTUATION TRIM OR ELECTRIC ACTUATION TRIM
  • 19. Commessa/Job: 20290 Doc. No. : SHSH4236 Fire & Rev. :1 Security Fg./Sh. : 17 di/of 53 Wormal d FIGURE 2 DELUGE VALVE WITH PNEUMATIC DETECTION DV.SGQ 13 - 21.02.00
  • 20. Commessa/Job: 20290 Doc. No. : SHSH4236 Fire & Rev. :1 Security Fg./Sh. : 35 di/of 53 Wormal d FIGURE 3 PREACTION SYSTEM TO LFCP AIR MAINTENANCE DEVICE DRAIN DRAIN AIR SUPPLY WATER SUPPLY LEGEND : VALVE CLOSED VALVE OPEN INSTRUMENT IN PRESSURE INSTRUMENT WITHOUT PRESSURE DV.SGQ 13 - 21.02.00
  • 21. -B -I 112” NPT AIR SUPPLY ’ (FROM AbTOMATlC AIR/NITROGEN MAINTENANCE DEVICE) , DRY PILOT ACTUATOR 2” NPT. DRAIN DIAPHRAGM CHAMBER SUPPL Left View Front View Nominal Installation Dimensions in Inches and (MM) FIGURE E NOMINAL INSTALLATION DIMENSIONS FOR DRY PILOT ACTUATION TRIM
  • 22. 2.6.0 FOAM SYSTEM 2.6.1 HAZARDS PROTECTED The following hazards shall be protected by automatic water-foam (low expansion ) system : • 09SGF01 Automatic Water Foam Protection on Heavy Fuel Oil Tank C01 • 09SGF02 Automatic Water Foam Protection on Light Fuel Oil Tank C02 • 09SGF03 Automatic Water Foam Protection on Fuel Oil Pumping Station C03 • 09SGF08 Automatic Water Foam Protection on Fuel Oil Pumping Station C03 • 09SGF04 Automatic Water Foam Protection on Fuel Oil Unloading Terminal • 09SGF05 Automatic Water Foam Protection on Fuel Oil Daily Tank C01 • 09SGF10 Automatic Water spray system of B03 Lube Oil System unit in Turbine Hall Unit 1 • 09SGF11 Automatic Water spray system of B03 Lube Oil System unit in Turbine Hall Unit 2 The following hazards shall be protected by automatic water-foam (High expansion ) system : • 09SGF06/07 Automatic Water Foam Protection on B06 Bunker Bay
  • 23. 1. ASME Code Pressure Vessel 2. Flexible, nylon reinforced elastomeric concentrate bladder 3. Concentrate controller(s) (as required priced separately) 4. Sight gauge 5. Vent Valves 6. Water inlet 7. Fill cup (included with AFFF only) 8. Water drain/fill valve 9. Concentrate filling/drain valve 10. Total discharge pipe 11. Thermal relief valve (see instructions) 12. Concentrate control valve 13. Release line 13 12 FLOW CONCENTRATE 5 3 1 5 11 7 6 WATER 2 SUPPLY 10 4 WATER TO TANK 8 9
  • 24. March 4, 1998 Foam 830h TECHNICAL DATA CCS FILLING SEQUENCE 5 8 1 4 Clear Flexible Hose 2 55 Gallon Barrel 3 Collapsed Bladder 7 6 9 CCS FILLING SEQUENCE Before starting the fill procedure, attach the following: a. 3/4" clear, flexible hose to valve no. 4 and terminate in a 55 gallon (200 liter) barrel b. Water source to valve no. 6 (garden hose). Refer to the appropriate concentrate schematic for valve description. Step 1: Close all valves except No.’s 4, 5, 6, and 7, and fill line master shut-off Valve No. 9, WHICH MUST BE OPEN. Step 2: Fill the shell with water through Valve No. 6 (do not exceed 25 PSIG water pressure) until a steady full flow occurs from Valve No. 4. DO NOT CLOSE VALVE NO. 4 WITH LINE WATER PRESSURE ON VALVE NO. 6. CLOSE VALVE NO. 6, THEN CLOSE VALVE NO. 4. Step 3: Check for water at Valve No. 7. If water has appeared, and if water flow continues, consult the CCS supplier before proceeding. If no water appears, proceed to next step. Step 4: Close Valve No. 7.
  • 25. Foam 830i March 4, 1998 TECHNICAL DATA CCS FILLING SEQUENCE 8 1 5 4 Clear Flexible Hose 2 55 Gallon Barrel 3 7 6 9 Centrifugal Pump (See Schematic Figure 2) Step 5: Connect air source to Valve No. 5 (see Figure No. 1 and Figure No. 4) and fill bladder with air (10 PSI maximum) through Valve No. 5 while displacing water through Valve No. 4. Continue until 25% of the water volume (10% for a horizontal unit) has been displaced. Water volume is to be measured with the 55 gallon (200 liter) drum. Step 6: When the required water volume has been displaced, close 1/4" shut-off valve on the regulator to trap air inside the bladder, disconnect the air supply, and close Valve No. 4.* Remove the air regulator. A 10 PSI (0.7 BAR) air bubble has now been formed within the bladder. This lifts the excess bladder material off the bottom of the vessel, allowing for uniform expansion of the bladder as the concentrate is pumped in. Step 7: Prime and connect the concentrate pumping apparatus (see Figure No. 2 and 4) and to Valve No. 7, as shown above. Use a Centrifugal Pump or Pneumatic Operated Diaphragm Pump. Step 8: Remove the water hose from the 55 gallon (200 liter) drum, and terminate to drain. Step 9: Start the concentrate pump, open Valve No. 4, then Valve No. 7, pumping concentrate into bladder. *If Valve No. 4 is left open at this point, water will continue to flow out, reducing the pressure in the bladder.
  • 26. March 4, 1998 Foam 830j TECHNICAL DATA CCS FILLING SEQUENCE 8 1 5 4 Clear Flexible Hose 2 Concentrate 3 7 6 To Drain 9 The concentrate displaces the shell water. If tank pressure steadily decreases, it will be necessary to partially close Valve No. 4 to slow down the discharge of water. If tank pressure steadily increases, it will be necessary to partially (or fully) open Valve No. 4 to allow the pressure to drop back to 10 PSI (0.7 BAR). Slowing the pump discharge will also lower the tank pressure. When approximately 75% of the nominal charge has been attained, (90% for horizontal tanks), shell water will stop flowing and the tank pressure will begin to exceed 10 PSI (0.7 BAR). Step 10: Partially open 1/4" shut off at Valve No. 5 to vent and slowly allow air pressure to drop to 0 PSI while continuing to pump the concentrate to the rated capacity. IMPORTANT: IF CONCENTRATE OVERFLOWS FROM VALVE NO. 5, DRAIN BACK SEVERAL GALLONS TO ALLOW FOR EXPANSION OF AGENT. FILL ONLY TO RATED CAPACITY! OVERFILLING MAY DAMAGE THE BLADDER! Step 11: Close Valve No. 7, shut off the pump, and remove 1/4" valve and gauge assemble from Valve No. 5. SIGHT GAUGE PROCEDURE Step 12: Open Valves No. 3 and No. 9, and allow sight gauge to fill. Mark level for future reference. Close sight gauge valves No. 3 and No. 9 and drain concentrate from tube by opening valves No. 7 and No. 3. (Note: Make sure all pressure is vented off from valves 4 & 5 before opening sight gauge valve No. 3). After concentrate is completely drained, close valve No.’s 3 and 7.
  • 27. Foam 830k March 4, 1998 SHELL WATER REFILL TECHNICAL DATA PROCEDURE SHELL WATER REFILL PROCEDURE The installed bladder tank will be either normally pressurized or non-pressurized, depending upon the type of system (wet or deluge), and the piping design. If pressurized, refer to Steps 13-18; if non pressurized, refer to Steps 13 and 19-21. NOTE: IN MOST INSTALLATIONS, THE PIPING DESIGN REQUIRES THE TANK TO BE NORMALLY PRESSURIZED. IF SO, FOLLOW STEPS 13-18. SHOULD THERE BE QUESTIONS CONCERNING WHEN OR HOW TO PRESSURIZE THE TANK, CONTACT THE DESIGN ENGINEER OR VIKING. 1 5 10 4 2 Concentrate 3 7 6 5-Gallon Water Bucket Supply Step 13: Attach a water supply hose to Valve No. 6 and the clear flexible hose to Valve No. 5. Terminate the clear hose into a 5 gallon bucket (see Figure No. 6)
  • 28. March 4, 1998 Foam 830l SHELL WATER REFILL TECHNICAL DATA PROCEDURE NORMALLY PRESSURIZED Step 14: Close all valves except for No. 4 and No. 5. Step 15: Open Valve No. 6 (allowing water into the shell) until water overflows from Valve No. 4 and concentrate overflows from Valve No. 5. Close Valve No.’s 4, 5, and 6. Step 16: Carefully and partially open Valve No. 2 to allow water from the main supply to enter tank and equalize to line pressure. When pressurized, open valve to full. VERIFY AUTOMATIC VALVE NO. 8 IS CLOSED! Step 17: Open Valve No. 1. Place all valves in normal position. Install all lock pins in proper locations (refer to "Valve Descriptions" on page V830d) Step 18: Inspect for piping leaks and correct, as necessary. NORMALLY UN-PRESSURIZED Step 19: Close all valves except for Valve No.’s 4 and 5. Step 20: Open Valve No. 6 (allowing water into shell) until water overflows from Valve No. 4. Close Valve No. 6, then Valve No.’s 4 and 5. VERIFY AUTOMATIC VALVE NO. 8 IS CLOSED (IF VALVE NO. 8 IS USED)! Step 21: Open Valve No.’s 1 and 2.* *There should be no water pressure on the tank. Lock all valves in proper locations (refer to "Valve Descriptions" on page V850f).
  • 29. Foam 830m March 4, 1998 CONCENTRATE LEVEL TECHNICAL DATA CHECK CONCENTRATE LEVEL CHECK AFFF LEVEL CHECK (Refer to Schematic on Page V830d) Step 1: Close Valve No.’s 1 and 2 to isolate tank. Step 2: Attach a hose to Valve No. 6 and terminate to drain. Be aware that the tank may be under pressure. Step 3: Open Valve No. 6 carefully to relieve pressure. Once pressure is relieved, fully open Valve No. 6, draining water from the shell, then slowly vent Valve No.’s 4 and 5. Step 4: After the water has completely stopped draining, open Valve No.’s 3 and No. 9. Observe sight gauge level (Figure 7). a. If the level is normal, follow the "Shell Water Refill Procedure" on page V830l. . b. If the level is below normal, add concentrate (per the "Refill Procedure" on page V830l), to the desired level. Again, follow the "Shell Water Refill Procedure" on page V830l. c. Close Valve No.’s 3 and 9. Drain concentrate from the level gauge by closing Valve No. 9 and open slowly Valves No. 7 and No. 3. Step 5: After concentrate is completely drained, close valve No.’s 3 and 7. ATC CONCENTRATE LEVEL CHECK (Refer to Schematic on Page V851f) Steps 1-3: The same as above. Step 4: When water has completely stopped draining, open Valve No.’s 9 and 3. Observe the sight gauge level (because of the thick viscosity of ATC, allow time for level to rise). Step 5: Repeat (a) and (b), as above. d: Drain concentrate from the level gauge by closing Valve No. 9, then slowly open Valve No.’s 7 and 3 (Figure 7). 3 9 7 Step 6: After concentrate is completely drained, close Valve No.’s 3 and 7. Figure 7 NOTE: BECAUSE OF THE THICK VISCOSITY OF ATC FOAM, THE SIGHT GLASS MAY NOT ACCU- RATELY MEASURE THE LEVEL. TO DETERMINE THE AMOUNT OF CONCENTRATE INSIDE THE UNIT, CONTINUE TO FOLLOW THE PROCEDURE ON "CONCENTRATE LEVEL CHECK," BUT MEASURE THE AMOUNT OF WATER DRAINED FROM THE SHELL. EXAMPLE: THE DESIGNED CAPACITY OF A 6000 HORIZONTAL UNIT IS 6000 LITERS, THE ACTUAL CAPACITY IS 6300 LITERS. IF 600 LITERS OF WATER IS DRAINED FROM THE SHELL, 5700 LITERS OF CONCENTRATE REMAIN. CONSULT VIKING FOR ACTUAL CAPACITIES OF TANKS.
  • 30. March 4, 1998 Foam 830n TECHNICAL DATA REFILL PROCEDURE REFILL PROCEDURE - 50% OR MORE DISCHARGED This method is to be used when the tank has been isolated from the system water drained from the shell and 50% or more of the nominal tank volume has been discharged and determined. See page 830m for instructions on concentrate level check. Refer to page 830g for the schematic on pumping apparatus. Step 1: Close Valves No. 1, 2, 3, 6 and 7. Step 2: Fill the tank with water through Valve No. 6 until water flows from Valve No. 4 and/or concentrate from Valve No. 5. Close Valve No.’s 5 and 6. Step 3: Proceed with "CCS Filling Procedure" on page 830e-f, Steps 5 through 21. REFILL PROCEDURE - LESS THAN 50% DISCHARGE This method is to be used when less than 50% of the nominal tank volume has been discharged and determined. See page 830m for instructions on concentrate level check. Step 1: Close Valve No.’s 1 and 2, (isolating the tank from the system), and 3. Step 2: Open Valve No.’s 4, 5, and 6 and fill line master (No. 9). Refer to page V851c for the schematic on pumping apparatus. Step 3: Attach a 3/4" clear flexible hose to Valve No. 5 and terminate into a 5 gallon bucket. Step 4: Prime and connect the pumping apparatus to Valve No. 7. Start the pump, open Valve No. 7, and pump concentrate to the rated capacity.* Step 5: Refer to "Sight Gauge Procedure" (page 830m) and "Shell Water Refill Procedure" on page 830k-l. AFFF FILL CUP PROCEDURE This method can be used to add small volumes of AFFF concentrate. It is not recommended for initial filling of the tank or for ATC foams. Step 1: Close all valves. Slowly open Valve No. 4 to relieve pressure. Open Valve No. 6 to drain. Step 2: Open Valve No.’s 3, 5 and 9. Observe liquid level in sight gauge. Step 3: Attach fill cup to valve No. 5. Add concentrate via fill cup to required level.* Step 4: Close all valves and proceed to "Shell Water Refill Procedure." Drain sight gauge and remove fill cup. *IMPORTANT! IF CONCENTRATE OVERFLOWS FROM VALVE NO. 5, DRAIN BACK SEVERAL GALLONS TO ALLOW FOR EXPANSION OF AGENT. FILL ONLY TO RATED CAPACITY!
  • 31. 8. FIRE DETECTION AND ALARM SYSTEM 8.1 GENERAL (KKS Code CYE) The primary purpose of the system is to give an early warning of dangerous conditions to occupants enabling them to evacuate the building or area safely. The equipment provided shall consist of Manual Call Points, Automatic Detectors and Alarm Sounders. The system shall be able to raise the alarm both locally, to warn occupants and remotely to allow the designated Fire Brigade, to take appropriate action. All zone circuits of Manual Call Points, Detectors and Sounders shall be connected by Hardwiring to the Local Fire Control Panels of area supervised: • LFCP-1 for Power Block Area • LFCP-2 for Fuel Oil Area • LFCP-3 for Coal Yard Area • LFCP-4 for G01 Area • LFCP-5 for D16 Area The LFCP's shall be equipped with a number of lines able to connect the expected field mounted devices, in order to provide fire detection indication . The LFCP4 shall be connected by Fiber Optic cable to the DCS Located in B05 CCR and from the DCS to the Fire Alarm Control Panel (FACP) located in the same CCR. The LFCP-5 shall be connected by hardwiring to the LFCP-3 The LFCP-1,LFCP-2,LFCP-3 shall be connected by Addressable Analogue system single Line Control Loop (SLC) to the Fire Alarm Control Station (FACS) located in Fire Station Building (K05) .FACS will supervise all the alarm lines and supervises the sequence of discharge of fixed extinguishing systems The FACS shall be connected to the Fire Alarm Control Panel (FACP) even located in Control room The FACP shall be provided with synoptic panel with LED and mimic showing the topographical plant layout and reporting by LED the status : - Fire - Fault - System Discharge of each fire alarm system of in each area of the Plant or room of the Building
  • 32. 8.3.5 FIRE CONTROL AND ALARM PANELS Fire Control and Alarm Panels shall be subdivided in: 8.3.6.1 Local Fire Control Panel (LFCP) • LFCP-1 for Power Block Area • LFCP-2 for Fuel Oil Area • LFCP-3 for Coal Yard Area • LFCP-4 for G01 Area • LFCP-5 for D16 Area 8.3.6.2 Fire Alarm Control Station (FACS) (Located in Fire Station Building K05) The FACS shall be connected by addressable Single Line Control (SLC)Loop to the LFCP-1;LFCP-2 and LFCP-3. The Function of the FACS shall be: - Continuous monitoring of the Fire Alarm lines - Continuous supervising of the Fire Alarm lines for fault due to: short circuit, breaking or earthling leak. - Supervising of automatic actuation release of fixed extinguishing systems and manual actuation of fixed extinguishing systems release. - Transfer to the Fire Control Panel (FACP)all the signal display of: • Fire Alarm • Fault • System Released • Fire Pump running - Receive and Transfer to the FACP hardwired signals of: • Fire Alarm • Fault • System Released • Fire Pump running coming from the Logistic Buildings:K09,K05,K01,K02,K03,K16 and K04 ) - Supervise and actuate the HVAC shutdown in case of Fire Alarm 8.3.6.3 Fire Alarm Control Panel (Located in Control Room) The FACP shall connect by single addressable loop the FACS FACS will transmit all the fire alarms, faults and intervention signals coming from the detection system of the area zone supervised by relevant LFCP. A synoptic mimic mosaic type reproducing in schematic form the area plant shall be connected to the FACP by redundant serial link for a clear understanding of the area in alarm Pump management signals and some general alarms shall be made available as SPDT contacts in the FACP terminal box to be reported by others to Distributed Control System located in Electrical and Control Building.
  • 33. 8.3 EQUIPMENT MAIN CHARACTERISTICS 8.3.1 MANUAL CALL STATIONS Manual call Stations shall be provided to allow the manual initiation of an alarm of fire and shall be of the type operated breaking a frangible front. The stations shall be of cast steel and painted red with lettering "FIRE DELUGE" in the English language for the deluge systems and "FIRE" for all the other systems Where required, to satisfy the hazardous area classification, explosion and/or flameproof call points shall be provided and the enclosure shall be certified for installation in such area. 8.3.2 OPTICAL SMOKE DETECTORS Optical smoke detectors shall be used in areas to sense level of smoke and product of combustion. Detector shall have a built -in alarm and indicating lamp flashing when the detector is in service and a built-in reset switch. Smoke detectors shall be connected themselves to form a loop and arranged in cross- zone. 8.3.3 POINT TYPE RATE OF RISE HEAT DETECTOR Heat detector shall be a combination of self-restoring and rate of rise. Where required, to satisfy the hazardous area classification, an enclosure shall be certified for installation in such area. Heat detectors shall be connected themselves to form a loop. 8.3.4 ALARM SOUNDER AND SIREN 8.3.4 a Alarm Sounder The unit is an electronic sounder horn to provide acoustical fire warning signal to alert the people The alarm devices shall be provided in different areas of the plant to give warning of fire to the personnel. The sounder shall be capable to reach a sound level of 95 dB(A) at 1 m. and shall be distinctive from any other sound produced by other alarm devices. 8.3.4 b Siren N°2 Siren shall be provided in the top of the roof of the : - B01 Boiler (CFB) - B05 Common Electrical The sound level emitted by the siren shall be heard in any point of the plant up to 3 km .
  • 34. 9. PORTABLE FIRE EXTINGUISHERS A range of extinguishers has been provided both portable and mobile. portable extinguishers are hand held to be directed at the bone of the fire. Mobile extinguishers are on a trolley; these are suitable for protecting large industrial risk. 9.1 WATER-FOAM EXTINGUISHERS WITH TROLLEY Water-Foam Extinguishers with trolley : Suitable for Class A and Class B fires (flammable liquids such as petrol, oil, solvents and paints). AFFF (Aqueous Film Forming Foam) provides “burnback” resistance - giving protection against re-ignition. Minimum capacity:100 l with Nitrogen cartridge . 9.2 PORTABLE DRY POWDER EXTINGUISHERS Portable Dry Powder Extinguishers: Dry Powder Extinguishers are suitable for a wide range of environments and safe for use on risks involving electrical equipment. Powder Extinguishers give a rapid knock down of the fire. Class A, B and C. Minimum capacity: kg.6 9.3 PORTABLE CO 2 EXTINGUISHERS Portable CO2 Extinguishers: The CO2 extinguisher is suitable for fighting Class B fires as well as fires involving live electrical equipment. Minimum capacity:Kg5 9.4 PORTABLE BOTTLE CARRIER OF DRY POWDER EXTINGUISHERS N°1 Portable bottle carrier of dry powder extinguisher with capacity of 6 bottles (each bottle of 12 Kg ) shall be provided
  • 35. Fire fighting system Procedures in case of fire Safety rules if fire cannot be controlled l Contained room/area l Evacuate the building l Call the firemen

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