Operation Manual For Fire Protection System3
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Description
Doc. No.
TANGGUH LNG BPMIGAS
BP Berau Ltd.
82-IOM-HS-1540
Rev.
6A
Project
TLNG
KJP Doc. No.
S-082-1241-019
Date
17 Apr, 06
KJP Job Code
0-3400-20-0000
Sheet
1 of 114 114
Author’s Org.
KJP
3.8 MTPA Train Capacity Operation Manual for Fire Protection System
Table of Contents Contents
1.
SCOPE .........................................................................................................................................2
2.
REFERENCE DRAWINGS DRAWINGS AND DOCUM DOCUMENTS ENTS ..................................................................2
3.
ABBREVIATIONS ABBREVIATIO NS .....................................................................................................................7
4.
DESIGN BASIS...........................................................................................................................8
5.
FIRE PROTECTION PROTECTION SYSTEM DESCRIPTION DESCRIPTION .................................................................12
6.
FIRE FIGHTING AND AND SUPPRESSION SYSTEM SYSTEM ..............................................................13
7.
HAZARD DETECTION DETECTION AND MONITORING SYSTEM...................................................31
8.
FIRE PROTECTION FOR LNG PROCESS TRAIN 1 AND 2, ORF AND REFRIGERANT STORAGE AREA CORRESPONDING TO ZONING PHILOSOPHY42
9.
INSPECTION AND MAINTENANCE...................................................................................53
10.
ATTACHMENT ATTACHMEN T .......................................................................................................................56
This document is newly created for Tangguh LNG Project.
X
Rev.
Core Core
No Nonn-co core re
For Information
For Review
Date
Page All
For Approval
6A
All
For Release
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For Approval
Description
5A 17 Apr,06 20 Jul,06
Li Life fecy cycl clee Code Code
X
For Release
Prep’d
Chk’d
App’d
A. Perez
T. Nozato
Y. Nomoto
T. Nozato
Y. Nomoto
Y. Nomoto
PT. Brown & Root Indonesia
B
For As-Built
BP App’d
Doc. No. 82-IOM-HS-1540 KJP Doc. No. S-082-1241-019 Rev. 6A Sheet No. 2 of 114
BP Berau Ltd. Tangguh LNG Project
Operation Manual for Fire Protection System
1.
SCOPE
This manual covers the operating instructions for the fire protection system and hazard detection and monitoring system (HDMS) for the Tangguh LNG Project in Tanah Merah, Papua, Indonesia. For the buildings in the Off Site Building Area, Administration and Dormitory Area and Gas Production Facilities Shore Base (GPFSB), the manual covers only the provisions and requirements of the fire protection system and hazard detection and monitoring system (HDMS).
2.
REFERENCE DRAWINGS AND DOCUMENTS
2.1
Piping and Instrument Instrumentation ation Diagrams
82-PID-HS-1201 82-PID-HS1201 (D-082-1225-002)
Piping and Instrumentation Diagram Fire Fighting System Fire Water Pump
82-PID-HS-1202 82-PID-HS1202 (D-082-1225-003)
Piping and Instrumentation Diagram Fire Fighting System LNG Storage and BOG Compressor Area
82-PID-HS-1203 82-PID-HS1203 (D-082-1225-004)
Piping and Instrumentation Diagram Fire Fighting System Condensate Storage, Combo Dock and Haul Road Area
82-PID-HS-1204 82-PID-HS1204 (D-082-1225-005)
Piping and Instrumentation Diagram Fire Fighting System
82-PID-HS-1205 82-PID-HS1205 (D-082-1225-006)
LNG Loading Deck and Trestle Piping and Instrumentation Diagram Fire Fighting System High Expansion Foam System
82-PID-HS-1006 82-PID-HS1006 (D-082-1225-007)
Piping and Instrumentation Diagram Fire Fighting System Process (LNG) Train 1
82-PID-HS-1007 82-PID-HS1007 (D-082-1225-008)
Piping and Instrumentation Diagram Fire Fighting System ORF / Refrigerant Storage and Flare Area
82-PID-HS-1008 82-PID-HS1008 (D-082-1225-009)
Piping and Instrumentation Diagram Fire Fighting System Utility and Building Area
82-PID-HS-1009 82-PID-HS1009 (D-082-1225-010)
Piping and Instrumentation Diagram Fire Fighting System Water Spray System for Monitor and Gangway Tower
82-PID-HS-1010 82-PID-HS1010 (D-082-1225-011)
Piping and Instrumentation Diagram Fire Fighting System Process (LNG) Train 2
340-PID-HS-1001 340-PID-HS-10 01 (D-340-1225-110)
Piping and Instrumentation Diagram Unit 340 Administration and Dormitory Complex Fire Water Pump
340-PID-HS-1002 340-PID-HS-10 02 (D-340-1225-111)
Piping and Instrumentation Diagram Unit 340 Administration and Dormitory Complex Fire Fighting System
350-PID-HS-3003-S2 (D-350-1225-005) 350-PID-HS-3003-S2
Piping and Instrumentation Diagram Unit 350 Gas Production Facilities Shore Base Fire Fighting System
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BP Berau Ltd. Tangguh LNG Project
Operation Manual for Fire Protection System
2.2
Layout Drawing Fire Fighting Equipment
82-DWG-HS-1530 82-DWG-HS -1530 (D-082-1241-002)
LNG Loading Deck and Trestle Layout Drawing Fire Fighting Equipment
82-DWG-HS-1533 82-DWG-HS -1533 (D-082-1241-003)
Combo Dock Layout Drawing Fire Fighting Equipment
82-DWG-HS-1541 82-DWG-HS -1541 (D-082-1241-011)
LNG Process Train – 1 Layout Drawing
82-DWG-HS-1542 82-DWG-HS -1542 (D-082-1241-012)
Fire Fighting Equipment Plant Utility Layout Drawing Fire Fighting Equipment
82-DWG-HS-1543 82-DWG-HS -1543 (D-082-1241-013)
Onshore Receiving Facilities and Refrigerant Storage Layout Drawing Fire Fighting Equipment
82-DWG-HS-1544 82-DWG-HS -1544 (D-082-1241-014)
LNG Storage Layout Drawing Fire Fighting Equipment
82-DWG-HS-1545 82-DWG-HS -1545 (D-082-1241-015)
BOG Compressor, Tankage Flare & Desalination Area Layout Drawing Fire Fighting Equipment
82-DWG-HS-1946 82-DWG-HS -1946 (D-082-1241-016)
Flare KO Drum and Flare Stack Layout Drawing Fire Fighting Equipment
82-DWG-HS-1574 82-DWG-HS -1574 (D-082-1241-017)
Building Area Layout Drawing Fire Fighting Equipment
82-DWG-HS-1537 82-DWG-HS -1537 (D-082-1241-019)
Condensate Storage Area Layout Drawing Fire Fighting Equipment
82-DWG-HS-1548 82-DWG-HS -1548 (D-082-1241-041)
Haul Road Area, Administration Dormitory Area and Off Site Building Area Layout Drawing Fire Fighting Equipment
82-DWG-HS-1549 82-DWG-HS -1549 (D-082-1241-043)
LNG Process Train – 2 Layout Drawing Fire Fighting Equipment
350-LAY-HS-3003-S1 350-LAY-HS-3 003-S1 (D-350-1241-001) (D-350-1241-001)
Gas Production Production Faci Facilities lities Shore Base Fire Water (General Layout)
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Operation Manual for Fire Protection System
2.3
2.4
Hazard Detection and Monitoring System Schematic Diagrams
82-DWG-HS-1534 82-DWG-HS1534 (D-082-1241-004)
Overall Schematic Diagram Hazard Detection and Monitoring System
82-DWG-HS-1550 82-DWG-HS-1 550 (D-082-1241-020)
Combo Dock Hazard Detection and Monitoring System Schematic Diagram
340-LAY-HS-1001 340-LAY-HS-100 1 (D-340-1241-110)
Administration and Dormitory Area Hazard Detection
350-LAY-HS-3007-S2 350-LAY-HS-3 007-S2 (D-350-1241-007) (D-350-1241-007)
and Monitoring System Schematic Diagram Gas Production Production Fac Facilities ilities Shore Base Hazard Hazard Detection Detection and Monitoring System Schematic Diagram
Hazard Detection and Monitoring System Layout Drawing
82-LAY-HS-1527 (D-082-1241-021)
Plant Utility Layout Drawing Hazard Detection and Monitoring System
82-LAY-HS-1528 (D-082-1241-022)
LNG Storage Layout Drawing Hazard Detection and Monitoring System
82-LAY-HS-1529 82-LAY-HS-152 9 (D-082-1241-023)
Onshore Receiving Facilities and Refrigerant Storage Layout Drawing Hazard Detection and Monitoring System
82-LAY-HS-1530 (D-082-1241-024)
Condensate Storage Tank and Haul Road Layout
82-LAY-HS-1531 (D-082-1241-025)
Drawing Hazard Detection and Monitoring System BOG Compressor and Desalination Area Layout Drawing Hazard Detection and Monitoring System
82-LAY-HS-1532 (D-082-1241-026)
Flare KO Drum and Flare Stack Layout Drawing Hazard Detection and Monitoring System
82-LAY-HS-1533 (D-082-1241-027)
LNG Loading Deck and Trestle Layout Drawing Hazard Detection and Monitoring System
82-LAY-HS-1534 (D-082-1241-028)
Combo Dock Layout Drawing Hazard Detection and Monitoring System
82-LAY-HS-1535 82-LAY-HS-153 5 (D-082-1241-029)
LNG Process Train – 1 Layout Drawing Hazard Detection and Monitoring System
82-LAY-HS-1545 (D-082-1241-040)
Building Area Layout Drawing Hazard Detection and Monitoring System
82-LAY-HS-1549 82-LAY-HS-154 9 (D-082-1241-042)
LNG Process Train – 2 Layout Drawing Hazard Detection and Monitoring System
350-LAY-HS-3007-S1 350-LAY-HS-3 007-S1 (D-350-1241-006)
Gas Production Facilities Layout Drawing Hazard Detection and Monitoring System
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Operation Manual for Fire Protection System
2.5
2.6
Fire Hazardous Zone Maps
82-LAY-HS-1536 (D-082-1241-030)
LNG Loading Deck and Trestle Fire Hazardous Zone Map
82-LAY-HS-1537 82-LAY-HS-153 7 (D-082-1241-031)
LNG Storage Area Fire Hazardous Zone Map
82-LAY-HS-1538 (D-082-1241-032)
Combo Dock Fire Hazardous Zone Map
82-LAY-HS-1539 (D-082-1241-033) (D-082-1241-033)
LNG Process Train – 1 Fire Hazardous Zone Map
82-LAY-HS-1540 (D-082-1241-034) 82-LAY-HS-1541 (D-082-1241-035) 82-LAY-HS-1541
Plant Utility Fire Hazardous Zone Map Onshore Receiving Facilities and Refrigerant Storage Area Fire Hazardous Zone Map
82-LAY-HS-1542 (D-082-1241-036)
Condensate Storage Area Fire Hazardous Zone Map
82-LAY-HS-1546 82-LAY-HS-154 6 (D-082-1241-037)
BOG Compressor, Tankage Flare and Desalination Area Fire Hazardous Zone Map
82-LAY-HS-1547 82-LAY-HS1547 (D-082-1241-038)
Flare KO Drum and Flare Stack Fire Hazardous Zone Map
82-LAY-HS-1548 (D-082-1241-039)
Plant Building Fire Hazardous Zone Map
Telecommunication Telecommu nication Equipment Layout
112-LAY-EL-1801 (D-112-1386-301)
Telecommunication Equipment Layout in LNG Plant – 1 (MCB, Utility, LNG Process Train –1, ORF and KO Drum and Flare Stack)
112-LAY-EL-1802 (D-112-1386-302)
Telecommunication Equipment Layout in LNG Plant – 2 (LNG Storage and BOG)
112-LAY-EL-1803 (D-112-1386-303)
Telecommunication Equipment Layout in LNG Jetty
112-LAY-EL-1804 (D-112-1386-304)
Telecommunication Equipment Layout in Off Site Building Area
112-LAY-EL-1805 (D-112-1386-305)
Telecommunication Equipment Layout in Condensate Tank Area
112-LAY-EL-1806 (D-112-1386-306)
Telecommunication Equipment Layout in Administration, Dormitory, Custom and Security Area
350-LAY-EL-1010 (D-350-1386-008)
Combo Dock Telecommunication Equipment Layout (Basic Plan)
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BP Berau Ltd. Tangguh LNG Project
Operation Manual for Fire Protection System
2.7
Design Criteria
82-DBS-HS-1200 (S-082-1241-001)
Utilities Description Unit – 082 Fire Fighting
82-DBS-HS-1525 (S-082-1241-002)
Fire Fighting and Suppression Design Basis
82-DBS-HS-1526 (S-082-1241-003)
Hazard Detection and Monitoring System Design Basis
82-SPE-HS-1525 (S-082-1241-004)
Specification for Fire Protection Equipment
82-SPE-HS-1526 (S-082-1241-005) 82-SPE-HS-1527 (S-082-1241-006) 82-SPE-HS-1527
Specification for Hazard Detection and Monitoring System Specification for Personnel Protection Equipment
82-SPE-HS-1528 82-SPE-HS-152 8 (S-082-1241-007)
Fireproofing for Structure and Equipment
82-SPE-HS-1529 (S-082-1241-008)
Safety and Fire Fighting Equipment List
82-SPE-HS-1531 82-SPE-HS-153 1 (S-082-1241-010)
Specification for Fire Water Truck for Plant Area
82-SPE-HS-1532 82-SPE-HS-153 2 (S-082-1241-011)
Specification for Triple Agent Fire Truck
82-SPE-HS-1533 82-SPE-HS-153 3 (S-082-1241-012)
Specification for Commander Car
82-SPE-HS-1534 (S-082-1241-013)
Specification for Ambulance Vehicle
82-SPE-HS-1535 82-SPE-HS-153 5 (S-082-1241-014)
Data Sheet for Fire Protection Equipment
82-SPE-HS-1536 82-SPE-HS-153 6 (S-082-1241-015)
Data Sheet for Fire Extinguishers
82-SPE-HS-1537 82-SPE-HS-153 7 (S-082-1241-016)
Data Sheet for Fire Station Standard and Miscellaneous Equipment
82-LOG-HS-1538 (S-082-1241-017)
Cause and Effect Chart for Hazard Detection and Monitoring System
82-SPE-HS-1542 (S-082-1241-021)
Consolidated Hazardous Equipment List
350-SPE-HS-1001 350-SPE-HS1001 (S-350-1241-001)
Fire Protection System for GPF Shore Base
350-SPE-HS-1002 350-SPE-HS-1 002 (S-350-1241-002)
Data Sheet of Fire Protection Equipment for GPF Shore Base
112-SPE-EL-1803 (S-112-1386-008)
Technical Specification for PA / GA System
82-CAL-HS-1001 (C-082-1241-001)
Hydraulic Calculation of Fire Water System
82-CAL-HS-1002 (C-082-1241-002)
Calculation for Fire Water Demand
82-CAL-HS-1003 (C-082-1241-003)
Hydraulic Surge Analysis for Fire Main System
64-IOM-PS-1201 (S-064-1283-001)
Operation Manual for Seawater / Water Systems
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BP Berau Ltd. Tangguh LNG Project
Operation Manual for Fire Protection System
3.
ABBREVIATIONS
2oo2
Two – Out – Of – Two
2oo5
Two – Out – Of – Five
AFFF
Aqueous Film Forming Foam
BOG
Boil Off Gas
CCTV
Closed Circuit Television
CO2
Carbon Dioxide
DCS
Distributed Control System
ESD
Emergency Shut Down
EDP
Emergency Depressurization
FALP
Fire Alarm Local Panel
F&G
Fire and Gas
GA
General Alarm
GPFSB
Gas Production Facilities Shore Base
GT
Gas Turbine
H2S HDMS (F&G)
Hydrogen Sulfide Hazard Detection and Monitoring System (Fire and Gas)
HSSD
High Sensitivity Smoke Detection
HVAC
Heating, Ventilation and Air-Conditioning
IR
Infra Red
IPS
Interruptible Power Supply
LEL
Lower Explosive Limit
LCR
Local Control Room
LLLL
Low – Low Liquid Level
LNG
Liquefied Natural Gas
LO
Locked Open
LPG
Liquefied Petroleum Gas
MCB
Main Control Building
NFPA
National Fire Protection Protection Association
ORF
Onshore Receiving Facilities
P & ID
Piping and Instrumentation Diagram
PA / GA
Public Address / General Alarm
PSV
Pressure Safety Valve
RTD
Resistance Temperature Detector
SCBA
Self – Contained Breathing Apparatus
UPS
Uninterruptible Power Supply
UV / IR
Ultra Violet / Infra Red
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Operation Manual for Fire Protection System
4.
Doc. No. 82-IOM-HS-1540 KJP Doc. No. S-082-1241-019 Rev. 6A Sheet No. 8 of 114
DESIGN BASIS
Fire protection system consists of fire water main distribution system, water and foam protection system, portable fire extinguishers, extinguishers, fixed fire extinguishing systems systems (i.e. CO2, dry chemical systems), fire fighting vehicles and hazard detection and monitoring system. The fire protection system intends to control and/or extinguish fires by a private fire brigade and no external fire fighting sources will be readily available. The fire protection system is designed based on the assumption that there will be a single major leak of flammable liquids or gases at a time in the plant and fire will not occur simultaneously at different places.
4.1
General System Description
Fire protection of plant equipment is designed considering effectiveness of the following extinguishing and cooling agents.
4.1.1
Desalinated Water as Fire Water Water is normally used as a diluting, cooling and fire extinguishing agent. As a cooling agent, fire intensity can be controlled by applying water to equipment exposed to heat radiation by fire due to its outstanding heat heat absorption characteristic. characteristic. Additionally, water can extinguish Class A fire such as wood, paper and textile fire. Water shall not be applied onto LNG / LPG spill because it wil willl accelerate the vaporization speed of the liquid and enlarge the fire.
4.1.2
Foam Two (2) types of foam are being employed: Aqueous film forming foam (AFFF) for the low expansion foam and Synthetic foam for the high expansion foam. The low expansion foam is applied to extinguish flammable or combustible hydrocarbon liquid fires by smothering and cooling the liquid surface to prevent re-ignition. AFFF agents will be used for the low expansion foam system and are synthetic concentrates based on fluorinated surfactants and foam stabilizers. The foam produced forms a barrier against air and oxygen as well as develops an aqueous film on the liquid surface to halt vaporization. For this plant, AFFF concentrates are available for proportioning to a final concentration of 3 percent by volume with either fresh water or sea water. The high and expansion foam isdeveloped. applied to LNG firesfoam by suppressing the vaporization speed andfoam controlling the intensity size of the fire Synthetic agents suitable to the high expansion equipment will be used and are composed of hydrocarbon surfactants. The foam produced develops a stable frozen foam layer that insulates the LNG and blocks radiation feed back to the fuel by excluding additional air. For this plant, the synthetic foam concentrates concentrates are diluted diluted to a final concentration concentration of 3 percent by volume with either fresh or sea water. Both AFFF and synthetic foam concentrates are compatible for use with the dry chemical powder for hydrocarbon liquid fires and LNG fire.
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Operation Manual for Fire Protection System
4.1.3
Doc. No. 82-IOM-HS-1540 KJP Doc. No. S-082-1241-019 Rev. 6A Sheet No. 9 of 114
Dry Chemical Powder Dry chemical powder is applied to extinguish small spill hydrocarbon fires and fires on flammable solids. Class BC type dry powder is used in plant outdoor area suitable for hydrocarbon and LNG fires. For this plant, the Class BC type dry powder powder shall be a potassium bicarbonate based agent, agent, which is called Purple Purple K and used for the portable and wheeled fire extinguishers, fixed dry chemical system and the triple agent fire truck. Class ABC type dry powder is used inside the buildings. For this plant Class type dryfire powder shall be a monoammonium phosphate based agent, which which is called Foray and andthe used forABC the portable extinguishers. Dry powder agents extinguish a fire primarily due to the interaction of the particles to stop the chain reaction that takes place in flame combustion. It shall be noted that after the application of the dry chemical agent, re-ignition of flammable material after the flame knock down may occur, if the ignition sources are not cooled down or removed.
4.1.4
Carbon Dioxide The mechanism by which carbon dioxide (CO2) extinguishes fire is by reducing the concentration of oxygen (smothering) and the vapor phase of the fuel or both in the air to the point where combustion stops. Carbon dioxide is used for the total flooding fire suppression systems for the sealed under-floor cableways cableways in the Local Control Rooms (LCR) and Main Control C ontrol Building (099-B-1001), gas turbine enclosures and emergency diesel generator enclosures. Wheeled CO2 extinguishers are installed near the main substation and main control building. Portable CO2 extinguishers are installed inside buildings where electrical rooms are located. The discharge of CO2 in fire extinguishing system creates serious hazard to personnel such a suffocation and reduced visibility during and after discharge period. Pre-discharge notification should be provided to prevent personnel from being exposed exposed to an atmosphere made made hazardous by CO2 discharge.
4.1.5
Fire Water Capacity
4.1.5.1
Fire water storage (1) Utility Area Fire Water Source The fire water storage tank shall be the Desalinated Water Tank (064-TK-1001). Net working capacities capacities are as follows: 3
(a) 4160 m (4160000 L) : Four (4) hours fire water 3
(b) 8282 m ( (8282000 8282000 L) : One (1) (1) week week plant plant consumption excluding potable water demand 3 The total fire water capacity is based on the requirement of fire water demand at the rate of 1040 m /hr (17333 l/min) for a minimum of four (4) hours continuous fire fighting operation.
(2) Sea Water Intake Area at the LNG Loading Deck and Trestle Area Fire Water Source The fire water source shall be sea water in the sea water intake and used as a back up fire water source during emergency operation when Utility Area fire water source is not available. The sea water back up system can 3 supply a total of 1040 m /hr (17333 l/min) equivalent to the rated capacity of two (2) sea water supply pumps.
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Operation Manual for Fire Protection System
(3) Administration and Dormitory Area Fire Water Source The fire water storage tank shall be the Service Water Reservoir (340-TK-1001). Net working capacities capacities are as follows: 3
(a) 456 m (456000 L)
: Two (2) hours fire water
3
(b) 150 m (150000 L) : One (1) day potable water demand 3 The total fire water capacity is based on the requirement of fire water demand at the rate of 228 m /hr (3800 l/min) for a minimum of two (2) hours continuous fire fighting operation.
4.1.5.2
Fire water pumps and jockey pumps (1) Utility Area Item No.
Pump
Rated Capacity
Discharge Head
Driver
3
m
3
104
Motor
3
104
Diesel
3
104
Motor
m /hr (l/min) 082-P 82-P--10 1001 01A A
Fi Firre Wate ater Pump ump
1040 1040 m /hr (17333 l/min)
082082-P P-1 -10 001B 01B
Fi Firre Wate ater Pum ump p
1040 1040 m /hr (17333 l/min)
082-P-1002
Jockey Pump
15 m /hr (250 l/min)
(2) Sea Water Intake Area at the LNG Loading Deck and Trestle Area Item No.
Pump
Rated Capacity
Discharge Head
Driver
3
m
3
120
Motor
3
120
Diesel
3
120
Motor
m /hr (l/min) 07 0788-PP-10 1001 01A A
Sea Sea Wate Waterr Supp Supply ly Pump Pump
53 530 0 m /hr (8833l/min)
07 0788-PP-10 1001 01B B
Sea Sea Wate Waterr Supp Supply ly Pump Pump
53 530 0 m /hr (8833l/min)
07 0788-PP-10 1001 01C C
Sea Sea Wate Waterr Supp Supply ly Pump Pump
53 530 0 m /hr (8833l/min)
(3) Administration and Dormitory Area Item No.
Pump
Rated Capacity 3
4.1.6
Discharge Head
Driver
m /hr (l/min)
m 80
Motor
3
80
Diesel
3
90
Motor
340-P-1001A
Fire Water Pump
228 m3/hr (3800 l/min)
340-P-1001B
Fire Water Pump
228 m /hr (3800 l/min)
340-P-1002
Jockey Pump
24 m /hr (400 l/min)
Design Conditions Design conditions for fire protection system and hazard detection and monitoring system are described in the documents listed in Section 2.7 Design Criteria.
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Operation Manual for Fire Protection System
4.2
Doc. No. 82-IOM-HS-1540 KJP Doc. No. S-082-1241-019 Rev. 6A Sheet No. 11 of 114
Fire Water System, Foam System and Extinguisher Location
Piping and Instrumentation Diagrams of Fire Fighting System are listed in Section 2.1. Layout Drawings of Fire Fighting System listed in Section 2.2 incorporates the fire water system, foam system and extinguisher location information. i nformation.
4.3
Hazard Detection and Monitoring System
The concept of hazard detection and monitoring system is summarized in the Hazard Detection and Monitoring System Schematic Diagrams are listed in Section 2.4. Hazard Detection and Monitoring System Layout Drawings are listed in Section 2.3. Detail of logic of Hazard Detection and Monitoring System is described in Section 7.6 of this Operation Manual. Regarding the detail logic of package equipment, such as CO 2 system for sealed under floor cableways, gas turbine enclosures and emergency diesel generators and fixed dry chemical system, refer to each Vendor’s document.
4.4
Vendor Operation Manual
Detailed operation and maintenance procedure are described in the following vendor operation manual. 4.4.1
V-2158-501-A-360, V-2158-501-A-36 0, Instruction, Operation and Maintenance Ma Manual nual (Gas Turbine MS7001EA)
4.4.2 4.4.3
V-2158-501-A-404, V-2158-501-A-4 04, Control System Functional Description (Gas Turbine) V-2181-001-A-692, Fire Fighting System Data Sheet (Emergency Diesel Generators) V-2181-001-A-692,
4.4.4
V-2181-001-A-801, V-2181-001-A-80 1, Operation and Maintenance Manual (Emergency Diesel Generators)
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Operation Manual for Fire Protection System
5.
FIRE PROTECTION SYSTEM DESCRIPTION
5.1
System Description
Doc. No. 82-IOM-HS-1540 KJP Doc. No. S-082-1241-019 Rev. 6A Sheet No. 12 of 114
Fire protection system consists of the following; 5.1.1
Fire water storage facility
5.1.2
Fire water pumps and jockey pumps
5.1.3
Fire water distribution network with fire hydrants, fixed water monitors, fixed remote on / off oscillating fire water monitors, remotely operated water monitors, live hose reels, indoor hose reels, isolating valves, etc.
5.1.4
Fixed foam extinguishing system (low expansion and high expansion)
5.1.5
Fixed water spray (water deluge) system
5.1.6
Fixed fog nozzle system
5.1.7
Automatic sprinkler system
5.1.8
Portable monitor and trailer mounted oscillating foam monitor
5.1.9
Hose boxes and safety apparatus
5.1.10
Portable and wheeled fire extinguishers
5.1.11
Fixed dry chemical fire extinguishing system
5.1.12
Carbon dioxide fire suppression system
5.1.13
Hazard detection and monitoring system with fire alarm / control panels
5.1.14
Fire station and standard and miscellaneous equipment
5.1.15
Fire fighting vehicles
5.2
Fire Protection System Provisions
The Tangguh LNG Project is adequately provided with fire protection and hazard detection systems for each area depending on the gravity of the hazard present. Fire fighting equipment and / or systems in suitable numbers and purpose are provided to prevent damage to equipment, property and more importantly i mportantly to the loss of lives. Refer to Attachment – 1, for the summary of the fire protection and Attachment – 2, for the summary of hazard detection and monitoring system (HDMS) provisions to be provided for each area.
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Operation Manual for Fire Protection System
6.
FIRE FIGHTING AND SUPPRESSION SYSTEM
6.1
Fire Water Sources
Doc. No. 82-IOM-HS-1540 KJP Doc. No. S-082-1241-019 Rev. 6A Sheet No. 13 of 114
Three (3) fire water sources are available for the consumption of the whole fire water system. These are from the Utility Area, Administration and Dormitory Area and Sea Water Intake Area at the LNG Loading Deck and Trestle Area. Each fire water source is integrated to the plant through separate connection points within the fire water network through manual isolation valves. Amongst the three (3), only the Administration and Dormitory Area fire water source is not capable to fire water consumption of the whole system. The capacity of each storage source is described in supply Sectionthe 4.1.5.1. Fresh water from the Desalinated Water Tank (064-TK-1001) in the Utility Area shall be the primary source of water for the fire fighting system. However, during emergency situations in which a low – low liquid level (LLLL) of the desalinated water tank is reached, sea water shall be introduced to the fire water system through the activation of the sea water supply pumps and manual opening of the isolation valve in the LNG Loading Deck and Trestle Area. A separate fire water system is provided for the Administration and Dormitory Area; thus, potable water from the Service Water Reservoir (340-TK-1001) shall be the primary source of water. Secondary sources of water shall be fresh water from the desalinated water tank in the Utility Area can be introduced to the system through a manual opening of the car-sealed closed isolation valve at the connection point with the plant area fire water system.
6.2
Fire Water Pump System
Fire water supply shall be derived from two (2) fire water main pump systems and one (1) back up fire water supply. The independent fire pump systems are in the Utility Area, Administration and Dormitory Area and Sea Water Intake in the LNG Loading Deck and Trestle. During fire fighting, the fire pumps shall maintain a 2 minimum residual pressure of 7.0 Kg/cm G under the required flow rates for each area at the outlet of hose connection of hydrant farthest from the fire water pumps.
6.2.1
Utility Area Fire Water Pumps
6.2.1.1
Main fire water pumps Fresh water fire pumps as the main pumps of the whole plant are located in the Utility Area. Two (2) centrifugal fire water pumps, one (1) motor driven pump and one (1) diesel engine driven pump are provided. The motor driven pump (082-P-1001A) is rated sufficient to supply the greatest fire water demand of the plant, while the diesel engine engine driven pump pump (082-P-1001B) is on standby. Each pump is capable of producing 3 2 100 percent rated capacity of 1040 m /hr (17333 l/min) at the rated head of 10.3 Kg/cm G. Pumps shall furnish not less than 150% of rated capacity with not less than 65% of total rated head. The diesel engine is provided with a fuel tank (082-PD-1001) and engine cooling water is taken from the pump discharge line. All fire fire water pumps are provided provided with a dedicated dedicated local control panel; 082-LCP-P1001A for 082-P-1001A and 082-LCP-P1001B for 082-P-1001B.
6.2.1.2
Jockey pumps 3
One (1) electric motor driven jockey pump (082-P-1002) with a capacity of 15 m /hr (250 l/min) is provided 2 to continuously maintain the pressure in the fire water distribution piping at 10.3 Kg/cm G.
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6.2.1.3
Doc. No. 82-IOM-HS-1540 KJP Doc. No. S-082-1241-019 Rev. 6A Sheet No. 14 of 114
Piping system The 24” outlet from the desalinated water tank (064-TK-1001) is connected to a common suction header of the fire water pumps and jockey pump. The fire water pumps are provided with a common test line and return line. A pressure control valve (082-PV-001) is installed at the common return line to prevent fire main 2 pressure from exceeding exceeding 12.3 Kg/cm G. The jockey pump is also provided with a minimum flow line. Discharge line of fire pumps andvalves jockeyare pump arelocked connected the fire water distribution grid system. All pump suction and water discharge block in the opento(LO) position.
6.2.1.4
Operation of utility fire water pumps The jockey pump is started and stopped at field through a local hand switch (082-HS-0030). The main fire water pumps are provided with automatic start provision on low fire main pressure signals from the pressure switch low (082-PSL-0010 and 082-PSL-0020). Normally, main fire water pumps are in auto mode position and shall be started automatically in the following order; (1) 082-P-1001A (Electric Motor Driven Pump) (2) 082-P-1001B (Diesel Engine Driven Pump) Electric motor driven pump is given priority over diesel pump except in periods of maintenance and when normal power generation is out of service. Time difference for the main fire water pumps are used as consequent operation of multi main fire water pumps. The following operation operation sequence is used: 2
(1) The pressure of the fire water main line is maintained at more than 10.3 Kg/cm G by the jockey pump (082-P-1002). (2) The first priority electric motor driven pump (082-P-1001A) will be put into operation automatically 2 with no time delay when the pressure in the fire main falls to 8.5 Kg/cm G. This decrease in pressure is detected by pressure switch low (082-PSL-0010 and 082-PSL-0020). If the fire main pressure reaches the above set pressure within set time, then the diesel engine driven pump (082-P-1001B) will not start. 2
(3) But when the pressure of the main line further falls to 8.5 Kg/cm G, the diesel engine driven pump (082-P-1001B) will start automatically after 10 seconds. The main fire water pumps can only be stopped at field through a local hand switch (082-HS-0011F for the electric motor driven (082-P-1001A) and 082-HS-0021C for the diesel engine driven (082-P-1001B)).
6.2.1.5
Activation and alarm notification Remote start-up of the fire water pumps (except jockey pump) is possible through the HDMS Operation Board in the MCB (099-B-1001) and Fire and Emergency Station (082-B-1001). Manual start of the main fire water pumps is also possible at the local control panel. All of the pumps can only be stopped manually from the local control panels. Indication for status of the fire water pumps shall be provided at the HDMS Visual Display Unit (VDU) in the MCB (099-B-1001) and Fire and Emergency Station (082-B-1001). The following status indication shall be provided; (1) Jockey pump (082-P-1002) (a) Running
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Operation Manual for Fire Protection System
Doc. No. 82-IOM-HS-1540 KJP Doc. No. S-082-1241-019 Rev. 6A Sheet No. 15 of 114
(2) Electric motor driven fire water pump (082-P-1001A) (a) Running (b) Power failure (c) Phase reversal (3) Diesel engine driven fire water pump (082-P-1001B) (a) Running (b) Off position (c) Common trouble (d) Manual position Refer to Attachment – 3 for the summary of the Utility fire water pump operation.
6.2.2
Administration and Dormitory Fire Water Pumps
6.2.2.1
Main fire water pumps The fire water pumps for this area shall be solely used for the Administration and Dormitory Area only. Two (2) centrifugal fire pumps, one (1) motor driven and one (1) diesel engine driven pump are provided. The motor driven pump (340-P-1001A) is rated to supply the greatest fire water demand of the Administration and Dormitory Area, while the diesel engine driven pump (340-P-1001B) is on standby. Each 3 pump is capable of producing producing 100 percent rated rated capacity of 228 m /hr (3800 l/min) at the rated discharge 2 head of 7.93 Kg/cm G. Pumps shall furnish not less than 150% of rated capacity with not less than 65% of total rated head. The diesel engine is provided with a fuel tank (340-PD-1001) and engine cooling water is taken from the pump discharge line. All fire fire water pumps are provided provided with a dedicated dedicated local control panel; 340-LCP-P1001A for 340-P-1001A and 340-LCP-P1001B for 340-P-1001B.
6.2.2.2
Jockey pumps 3
One (1) electric motor driven jockey pump (340-P-1002) with a capacity of 24 m /hr (400 l/min) is provided 2 to continuously maintain the pressure in the fire water distribution piping at 8.92 Kg/cm G.
6.2.2.3
Piping system The 10” outlet from the service water reservoir (340-TK-1001) is connected to a common suction header of the fire water pumps and jockey pump. The fire water pumps are provided with a common test line and return line. A pressure control valve (082-PV-0051) is installed at the common return line l ine to prevent fire main 2 pressure from exceeding exceeding 12.3 Kg/cm G and to satisfy the minimum flow requirement of the pump at all conditions. The jockey pump is also provided with a minimum flow line. Discharge line of fire water pumps and jockey pump are connected to the fire water distribution grid system. All pump suction and discharge block valves are in the locked open (LO) position.
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6.2.2.4
Doc. No. 82-IOM-HS-1540 KJP Doc. No. S-082-1241-019 Rev. 6A Sheet No. 16 of 114
Operation of administration and dormitory fire water pumps The jockey pump is started and stopped at field through a local hand switch (082-HS-0080). The main fire water pumps are provided with automatic start provision on low fire main pressure signals from the pressure switch low (082-PSL-0060 and 082-PSL-0070). Normally, main fire water pumps are in auto mode position and shall be started automatically in the following order; (1) 340-P-1001A (Electric Motor Driven Pump) (2) 340-P-1001B (Diesel Engine Driven Pump) Electric driven pump is given priority over diesel pump except in periods of maintenance and when normal power generation is out of service. Time difference for the main fire water pumps are used as consequent operation of multi fire water pumps. The following operation sequence is used: 2
(1) The pressure difference of the fire water main line is maintained at more than 8.92 Kg/cm G by the jockey pump (340-P-1002) (340-P-1002) (2) The first priority electric motor driven pump (340-P-1001A) will be put into operation automatically 2 with no time delay when the pressure in the fire main falls to 7.5 Kg/cm G. This decrease in pressure is detected by pressure switch low (082-PSL-0060 and 082-PSL-0070). If the fire main pressure reaches the above set pressure within set time, then the diesel engine driven pump (340-P-1001B) will not start. 2
(3) But when the pressure of the main line further falls to 7.5 Kg/cm G, the diesel engine driven pump (340-P-1001B) will start automatically after 10 seconds. The main fire water pumps can only be stopped at field through a local hand switch (082-HS-0061F for the electric motor driven (340-P-1001A) and 082-HS-0071C for the diesel engine driven (340-P-1001B)). 6.2.2.5
Activation and alarm notification notification Remote start-up of the fire water pumps (except jockey pump) is possible through the HDMS Operation Board in the Fire and Emergency Station (082-B-1001). Manual start of the main fire water pumps is also possible at the local control control panel. All of the pumps can can only be stopped manually manually from the local control panels. Indication for status of the fire water pumps shall be provided at the HDMS Visual Display Unit (VDU) in the Fire and Emergency Station (082-B-1001). The following status indication shall be provided; (1) Jockey pump (340-P-1002) (a) Running (2) Electric motor driven fire water pump (340-P-1001A) (a) Running (b) Power failure (c) Phase reversal (3) Diesel engine driven fire water pump (340-P-1001B) (a) Running (b) Off position (c) Common trouble (d) Manual position Refer to Attachment – 4 for the summary of the Administration and Dormitory Area fire water pump operation.
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6.2.3
LNG Loading Deck and Trestle Sea Water Supply Pumps
6.2.3.1
Sea water supply pumps
Doc. No. 82-IOM-HS-1540 KJP Doc. No. S-082-1241-019 Rev. 6A Sheet No. 17 of 114
Sea water supply pumps as the back up fire water supply shall be located in tthe he Sea Water Intake pit at the LNG Loading Deck and Trestle Area. Three (3) vertical pumps, two (2) motor driven pumps and one (1) diesel driven pump are provided. Each pump is sized to 50% capacity of the rated flow of the maximum fire 3 2 water demand of the plant, that is 520 m /hr (8666 l/min) at the rated head of 12.22 Kg/cm G.
6.2.3.2
Operation of sea water supply pumps At normal conditions, the sea water supply pumps are used to deliver sea water to the desalination and chlorination packages. However, during emergency operations, they will be used to deliver adequate flow of sea water to the fire water system. Since the sea water pump will only be used, as back up fire water pumps, NFPA 20 requirements requirements shall not apply. The desalinated water tank (064-TK-1001) shall have a minimum water inventory sufficient to meet the four (4) hours fire water required for fire fighting purpose. However, during emergency operations when the low-low-level alarm (082-LALL-2810) (082-LALL-2810) of the desalinated water tank is activated, the sea water pumps will be started automatically to deliver the sea water to the fire water system. At low-level alarm (082-LAL-2810) activation, an operator in the LNG Loading Trestle should manually open the two (2) 16” isolation i solation valves at the common discharge header of the pumps just before the activation of the sea water supply pumps. Refer to Attachment – 5 for the sea water supply pump discharge discharge header. Concurrently, an operator should be stationed at the Utility Area fire water pump area to manually stop the pump after low-low-level low-low-level alarm (082-LALL-2810), (082-LALL-2810), to avoid pump cavitation, cavitation, if the desalinated water water tank becomes empty.
6.2.3.3
Activation and alarm notification Remote start-up and stop of the sea water supply pumps is possible through the DCS in the MCB (099-B-1001). Manual start and stop of the sea water supply pumps is also possible at the local panel for the diesel engine driven pump and at the field hand switch for the electric motor driven pumps. Indication for status of the sea water supply pumps shall be provided at the DCS. The following status indication shall be provided; (1) Common alarm (for diesel engine driven fire water pump, 078-P-1001B) (2) Running (for diesel engine driven fire water pump, 078-P-1001B) (3) Primary pump not started (4) Secondary pump not started
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6.3
Doc. No. 82-IOM-HS-1540 KJP Doc. No. S-082-1241-019 Rev. 6A Sheet No. 18 of 114
Fire Water Main Distribution System
Fire water main piping is laid out in loops or grids along the roads surrounding the areas to be protected such as the Process Area, Utility Area, Onshore Receiving Facilities and Refrigerant Storage Area, LNG Storage Tank Area, Main Control Building Bui lding Area, Condensate Storage Tank Area, Administration and Dormitory Area, Off Site Building Area and GPFSB. Single fire water main piping is applied for the t he LNG Loading Deck and Trestle, Combo Dock, BOG Compressor Area, Off Site and Flare Area, Heavy Haul Trestle Area and the area between the LNG Storage Tank and Process Trains. Fire water main material is carbon steel and laid above ground for all areas except for road crossings and access ways where it shall be buried or laid underground. Minimum fire main size is 8 inches. i nches. The fire water main system is sized such that the minimum residual pressure at outlet of hose connection of the hydrant 2 outlet farthest from a fire water pump shall be 7.0 Kg/cm G. Loops or grids have at least two (2) sources of supply from separate fire water main laterals, and isolated with butterfly valves. Block valves valves are appropriately appropriately installed to isolate failed portions portions of the fire main so that a minimum of 50% for the whole system is still available to supply fire water. For long fire water main lines supporting fire water system equipment, block valves are installed at no more than 305 m intervals, otherwise block valves are provided provided beyond this limit. The fire water main distribution piping is provided with hydrants, fixed water monitors, oscillating fire water monitors, etc. at specific zones and areas of the plants for adequate coverage and protection.
6.4
Fire Water Hydrants
Hydrants are installed throughout the plant area for fire fighting activity with hose and also as a fire water supply source for the fire water trucks. Two (2) types of hydrant are provided in the plant; four way and two way hydrant. Four way hydrant shall be located at spacing no longer than 60 m for areas handling LNG, LPG, flammable liquids or gases and two way hydrants at spacing no longer than 90 m for other areas. A four way hydrant with International Ship / Shore Connections is installed at the LNG Loading Trestle. The hydrants have the following specifications: (1) Type : Wet barrel type hydrant, 6 inches for four way type with four (4) 2-1/2” valved hose connections and two way type with two (2) 2-1/2” valved hose connections. (2) Hydrant Body : Carbon steel same as the material of the fire water main lines, 6 and 4 inches lateral to fire hydrant body for four and two way hydrant respectively. (3) Flange Connection to the Fire Hydrant Valve and International Ship / Shore Connection Assembly : 3” ANSI 150# FF Flange (4) Hose Connector to Coupling : 2-1/2” BS B S 336 Instantaneous Female hose connection (5) Fire Hydrant Valve : Built-in total flow gate valves (HOLD) 2
Fire water main pressure in this plant would become high (possibly around 12.2 Kg/cm G) after fire water pump starts; therefore due to care should be given when when hydrants are operated. operated. Fire hydrant valves valves should also be opened gradually, confirming the water flow and force from the portable water nozzle.
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6.5
Doc. No. 82-IOM-HS-1540 KJP Doc. No. S-082-1241-019 Rev. 6A Sheet No. 19 of 114
Fixed Water Monitors
Fixed water monitors are provided at the ground level for the LNG Loading Deck and Trestle, Utility Area and BOG Compressor Area. Monitors are located at least 15 m from the equipment to be protected with a minimum effective radial coverage of 36 m per monitor. The monitor will be manually operated through the opening of the butterfly valve at the inlet of each water monitor while movement and stream adjustment shall be through a hand lever with locking device and monitor nozzle, respectively.
6.6
Fixed Remote On / Off Oscillating Fire Water Monitor
Oscillating fire water monitors are provided at the ground level for the LNG Process Train 1 and 2, ORF and Refrigerant Storage Area. These monitors are fed fire water by activating the deluge valves. The monitors area remotely - manually operated from the MCB (099-B-1001) and pre-adjusted for horizontal oscillating angle, vertical angle and water discharge pattern to cover the protected equipment in one (1) specific fire zone with maximum effective radial coverage of 36 m. When adequate water coverage cannot cannot be provided by the oscillating fire water monitors alone, fixed fog nozzle systems are provided as supplementary protection. Refer to Section 6.11. One (1) oscillating water monitor shall be provided with a self-educting water / foam air aspirating nozzle to cover the equipment associated with debutanizer in the fractionation area of each process train t rain (091-U-1112 for LNG Process Train – 1 and 092-U-1112 for LNG Process Train – 2. A deluge valve system, which is of hydraulic operated Viking deluge valve Model J- 1 with electric release, is provided for each oscillating monitor or group of oscillating monitors. This type of deluge valve is capable of remote open and close operation via a hand switch from the HDMS Operation Board in the MCB (099-B-1001). Deluge valves can also be closed and opened manually via emergency release valve at the deluge valve trim. Refer to Attachment – 6 for the fixed remote on / off oscillating fire water monitors, fixed fog nozzle system, deluge valves and hand switches in the LNG Process Train – 1. Refer to Attachment – 7 for the fixed remote on / off oscillating fire water monitors, fixed fog nozzle system, deluge valves and hand switches in the LNG Process Train – 2. Refer to Attachment – 8 for the fixed remote on / off oscillating fire water monitors, fixed fog nozzle system, deluge valves and hand switches in the ORF, Refrigerant Storage and Flare Area. Refer to Attachment – 45 to Attachment – 57 for the oscillating monitor arrangement for the LNG Process Train – 1 and 2 and the ORF and Refrigerant Storage Area.
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6.7
Doc. No. 82-IOM-HS-1540 KJP Doc. No. S-082-1241-019 Rev. 6A Sheet No. 20 of 114
Remotely Operated Water Monitor
Remotely operated water monitors of electric motor operation type are located on the Gangway Tower and Monitor Tower at the LNG Loading Deck to protect the loading facilities on the upper platform on the ship’s manifold, considering the operation of the loading arms. The monitors can be remotely started and stopped from a local hand switch at least 60 m away from the LNG Loading Deck. A deluge valve system, which is of hydraulic operated Viking deluge valve Model J- 1 with electric release, is provided for the remote monitors. The deluge valves are opened and closed through hand switch activation (082-HS-0452 and 082-HS-0453) on the roof of the Substation - Jetty Seawater Switchgear Room (071-B-1001). Deluge valves can also be closed and opened manually via emergency release activation included in the deluge valve system. Upon actuation of the remote monitors, actuation alarm (082-PAH-0452A and 082-PAH-0453A) from the pressure switch switch (082-PSH-0452 (082-PSH-0452 and 082-PSH-0453) 082-PSH-0453) downstream downstream of the deluge valve will be available available in the HDMS VDU in the MCB (099-B-1001) and Fire and Emergency Station (082-B-1001). In the same location, monitor local control panels (070-U-1241/LCP-11 and 070-U-1242/LCP-11) 070-U-1242/LCP-11) shall be positioned in order to assist operators operators to adjust monitor movement movement and discharge patterns. patterns. Refer to Attachment – 9, Item 3 and 4 for the activation summary of the fixed fog nozzle system for the LNG Storage Tanks.
6.8
Live Hose Reels
Live hose reels are installed under the main pipe racks of LNG Process Train 1 and 2 at 30 m spacing where equipment are handling LNG, flammable liquids, combustible liquids and flammable gases for quick fire fighting at an incipient stage of fire. The operator should open the inlet valve gradually to avoid inconvenience in handling the hose due to sudden high pressure.
6.9
Indoor Hose Reels
Indoor hose reels are provided inside the buildings for extinguishing small fires. The following buildings are protected with indoor hose hose reels; (1) Maintenance Workshop (200-B-1001) (2) Warehouse (220-B-1001) (3) Solid Waste Storage (310-B-1001) (4) Office Block (350-B-1001) (5) Warehouse (350-B-1002) (6) Five Bay Workshop (350-B-1008) (7) Machine Shop (350-B-1009) (8) Vehicle Workshop (350-B-1010) (9) Administration Building (341-B-1001) (10) Dormitory Block A (342-B-1001) (11) Central Building (345-B-1001) (12) Customs and Security Office (346-B-1001) (13) Dormitory Block B (347-B-1002) (14) Clinic (349-B-1001)
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Doc. No. 82-IOM-HS-1540 KJP Doc. No. S-082-1241-019 Rev. 6A Sheet No. 21 of 114
Fire Hose Boxes
Fire hose boxes are provided at alternate fire water hydrants throughout the plant so as to provide portable equipment e.g. nozzles, fire hoses etc. for first aid fire extinguishment. Each box and its contents shall be checked to ensure the operability of the equipment Each box stores the following: (1) Two (2) pcs. 2-1/2” adjustable portable water nozzle, with a maximum capacity of 950 l/min at 7.0 2
Kg/cm G (2) Four (4) pcs. fire hose, 30 m length with BS 336 Instantaneous Male and Female couplings
6.11
Fixed Fog Nozzle System
Fixed fog nozzle systems are provided for equipment or group of equipment that cannot be adequately protected by other fire fire water system equipment. equipment. The fog nozzles shall shall be remote operated operated on / off from the MCB (099-B-1001). The fixed fog nozzles shall be of Elkhart make, NTC or NTLC Fixed Constant Flow Nozzle model.
6.11.1
LNG Process Train 1 and 2, ORF and Flare Area The fixed fog nozzle systems for the LNG Process Train 1 and 2, ORF and Flare Area are either a stand alone system with a designated supply line and deluge valve or as a supplementary protection in conjunction with the fixed remote on / off oscillating fire water monitor. The fog nozzle system shall be of remote – manual operation type. A deluge valve system, which is of hydraulic operated Viking deluge valve Model J- 1 with electric release, is provided for each fog nozzle system or combination fog nozzle and fixed remote on / off oscillating fire water monitor. This type of deluge valve is capable of remote open and close operation from the HDMS Operation Board in the MCB (099-B-1001). Deluge valves can also be closed and opened manually via emergency release valve at the deluge valve trim. Refer to Attachment – 6 for the fixed remote on / off oscillating fire water monitors, fixed fog nozzle system, deluge valves and hand switches in the LNG Process Train – 1. Refer to Attachment – 7 for the fixed remote on / off oscillating fire water monitors, fixed fog nozzle system, deluge valves and hand switches in the LNG Process Train – 2. Refer to Attachment – 8 for the fixed remote on / off oscillating fire water monitors, fixed fog nozzle system, deluge valves and hand switches in the ORF, Refrigerant Storage and Flare Area.
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6.11.2
Doc. No. 82-IOM-HS-1540 KJP Doc. No. S-082-1241-019 Rev. 6A Sheet No. 22 of 114
LNG Storage Tank Fixed fog nozzle system is also provided for the t he LNG Storage Tanks (071-TK-1001 and 1002) pump platform for area coverage. coverage. The fog nozzles shall be of remote remote manual / automatic activation activation type. A deluge valve system, which is of hydraulic operated Viking deluge valve Model F – 1 with electric release is provided for each tank fog nozzle system. This type of deluge valve shall be activated by ttwo wo out of two (2oo2) voting of Triple IR flame detectors on the pump platform of each tank. Upon automatic activation of the fixed fog nozzle system, actuation alarm (082-PAH-0406A or 082-PAH-0407A) from the pressure switch (082-PSH-0401 or 082-PSH-0402) 082-PSH-0402) downstream of the deluge valve will be available in the HDMS VDU in the MCB (099-B-1001) and Fire and Emergency Station (082-B-1001). Water spray discharge can also be remotely opened from the HDMS Operation Board in the MCB (099-B-1001) and Fire and Emergency Station (082-B-1001) by hand switch activation of the deluge valve. Deluge valves can also be opened manually via emergency release valve at the deluge valve trim. Upon activation of the Viking Model F – 1 deluge valve, the 6” manual valve upstream the deluge valve needs to be closed first in order to depressurize the deluge valve before the valve is reset and closed. Sudden closure of the manual valve may cause high surge pressure, which may damage the valve. For this reason, it is important to observe the proper valve closure time of minimum 30 seconds, to minimize surge pressure. The following are detailed instruction to properly close and reset the Viking Model F – 1 deluge valve; (1) Close the 3/4" manual valve in the inlet of the valve trim line. (2) Close the 6” manual valve upstream of the deluge valve (closure time of min. 30 seconds). (3) Drain the spray system piping downstream of the deluge valve to depressurize the system, via the drain valve in the deluge system package. (4) Drain the trim line of the deluge valve via the solenoid valve (three – way valve operation). (5) Reset the solenoid valve to the “de-energize “de-energized d to close” setting. (6) Open the 3/4" manual valve in the inlet of the valve trim line to close the deluge valve. (7) Open the 6” manual valve upstream deluge valve. Refer to Attachment – 9, Item 1 and 2 for the activation summary of the fixed fog nozzle system for the LNG Storage Tanks.
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6.12
Doc. No. 82-IOM-HS-1540 KJP Doc. No. S-082-1241-019 Rev. 6A Sheet No. 23 of 114
Water Spray (Water Deluge) System
Remote – manual / automatic activated fixed water spray system shall be provided for the Gangway Tower and Monitor Tower in the LNG Loading Deck and Trestle Area. Additionally, water curtain nozzles shall be provided for each each floor of the gangway tower to protect escaping escaping personnel against heat heat radiation from a ship’s manifold and / or loading l oading manifold. The system comprises of full cone type water spray nozzles, fan type water curtain nozzles and pilot sprinkler heads as heat detector. A deluge valve system, which is of hydraulic operated Viking deluge valve Model F – 1 with hydraulic and electric release is provided for the water spray system. The pilot sprinkler heads installed near each water spray system ring shall activate the deluge valve. Pilot sprinkler lines are normally pressurized by fire water, water, when the pilot sprinkler sprinkler heads are exposed exposed to heat radiation by by fire, the sprinklers will open and release water, consequently the deluge valve will open. Upon actuation of the water spray system, actuation alarm (082-PAH-0454A) from the pressure switch (082-PSH-0454) downstream downstream of the deluge valve will be available in the HDMS VDU in the MCB (099-B-1001) and Fire and Emergency Station (082-B-1001). Water spray discharge can be remotely activated from the HDMS Operation Board in the MCB (099-B-1001) and Fire and Emergency Station (082-B-1001) by means of hand switch (082-HS-0454A and 082-HS-0454B). Deluge valves can be opened manually via emergency release valve at the deluge valve trim. Upon activation of the Viking Model F – 1 deluge valve, the 6” manual valve upstream the deluge valve needs to be closed first in order to depressurize the deluge valve before the valve is reset and closed. Sudden closure of the manual valve may cause high surge pressure, which may damage the valve. For this reason, it is important to observe the proper valve closure time of minimum 30 seconds, to minimize surge pressure. The following are detailed instruction to properly close and reset the Viking Model F – 1 deluge valve; (1) Close the 3/4" manual valve in the inlet of the valve trim line. (2) Close the 6” manual valve upstream of the deluge valve (closure time of min. 30 seconds). (3) Drain the spray system piping downstream of the deluge valve to depressurize the system, via the drain valve in the deluge system package. (4) Drain the trim line of the deluge valve via the solenoid valve (three – way valve operation). (5) Reset the solenoid valve to the “de-energize “de-energized d to close” setting. (6) Open the 3/4" manual valve in the inlet of the valve trim line to close the deluge valve. (7) Open the 6” manual valve upstream deluge valve. After the automatic activation of the water spray (water deluge) system in the Gangway and Monitor Tower, the pilot sprinkler heads cannot be re-used, thus, new pilot sprinkler heads shall be installed in the system. Refer to Attachment – 9, Item 5 for the activation summary of the water spray (water deluge) system in the LNG Loading Deck and Trestle Area.
6.13
Water Sprinkler System
Automatic operated water sprinkler system is provided to protect buildings in the plant area. The following buildings shall be provided with sprinkler system: (1) Warehouse (220-B-1001) (2) Laboratory (200-B-1002) (3) Dormitory Block A and B (342-B-1001 and 347-B-1002)
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Operation Manual for Fire Protection System
6.14
Automatic High Expansion Foam System
Automatic high expansion foam system is provided for each spill impounding basin in the LNG Process Train 1 and 2, LNG Loading Deck and LNG Storage Tanks. The foam supply system mainly consists of atmospheric foam concentrate tanks, balanced pressure proportioning system, foam distribution di stribution piping, foam generators and deluge valve system.
6.14.1
Foam Proportioning System The balanced pressure foam proportioning system comprises of atmospheric foam tanks, foam proportioner, water driven foam pump and necessary control system that will produce 3% foam solution by mixing synthetic foam concentrate into water flow at the proportioner. A balanced pressure foam proportioning skid is provided at each area. 1% to 3% Synthetic foam concentrate is employed for the high expansion foam system. A deluge valve system, which is of hydraulic operated Viking deluge valve Model J – 1 with electric release, is provided for each high expansion foam system. This type of deluge valve shall be automatically activated upon receipt of a signal from the cryogenic spill detector or 2oo2 alarm signals from flame detectors. In case, that one of the flame detectors is faulty, the fire detection by one (1) flame detector will automatically activate the high expansion foam system. Automatic activation via cryogenic spill detector will result in an LNG spill alarm (TAL) in the HDMS VDU in the MCB (099-B-1001) and Fire and Emergency Station (082-B-1001). While, activation of the flame detector will result in a fire alarm indication in the HDMS VDU in the MCB (099-B-1001) and Fire and Emergency Station (082-B-1001). Upon automatic activation of the high expansion foam system, actuation alarm (PAH) from the pressure switches (PSH), downstream of the deluge valves will be available in the HDMS VDU in the MCB (099-B-1001) and Fire and Emergency Station (082-B-1001). High expansion foam system can be remotely opened and closed from the HDMS Operation Board in the MCB (099-B-1001) by hand switch activation of the deluge valves. Deluge valves can also be closed and opened manually via emergency release valve at the deluge valve trim. During a foam discharge operation, once the required foam depth of 0.6 m over the LNG liquid surface is achieved, the system shall be operated manually and intermittently by local on – off switch located near the spill containment basin to maintain the foam depth. After automatic activation, the deluge valves will be automatically closed overriding the flame or LNG spill detection to prevent premature depletion of the foam concentration and safe guard against expanded foam over flowing from the LNG spill basin in cases where the operators are not aware of the automatic foam discahrge. The approximate time to close for each system will be as follows: (1) LNG Process Train – 1 : 60 seconds (2) LNG Process Train – 2
: 60 seconds
(3) LNG Loading Deck
: 90 seconds
(4) LNG Storage Tank (071-TK-1001) : 90 seconds (5) LNG Storage Tank (071-TK-1002) : 90 seconds Refer to Attachment – 9, Item 6 to Item 10 for the activation summary of the high expansion foam system for LNG Process Train 1 and 2, LNG Loading Deck and LNG Storage Area. To refill the foam tanks, the high expansion foam concentrate stored in the Warehouse (220-B-1001) is charged to the atmospheric foam tank with the support of a diesel engine portable pump for air foam concentrate stored in the Fire and Emergency Station (082-B-1001). The portable foam pump has a flexible tube which draws up foam concentrate from the drum into int o the pump. The delivery hose at the pump outlet is connected to the refilling nozzle of the atmospheric tank.
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6.14.2
Doc. No. 82-IOM-HS-1540 KJP Doc. No. S-082-1241-019 Rev. 6A Sheet No. 25 of 114
Foam Solution Piping System Foam solution piping is of galvanized carbon steel material and laid above ground with low point drain. The foam solution main line should be normally dry and flushed out using the flushing connection downstream deluge valve after each operation to avoid system degradation. Foam generator, of Angus Turbex type is provided for all areas.
6.15
Low Expansion Foam System
The Condensate Storage Tank (076-TK-1001), is protected with a semi fixed low expansion foam system applied thru air foam chamber where 3% AFFF – water solution will be aerated and expanded foam will be discharged on the surface of the burning liquid.
6.15.1
Atmospheric Foam Tank 3
An atmospheric foam concentrate tank, 076-TK-1002 with a capacity of 9 m (9000 liters) is the external supply of the foam concentrate for the low expansion foam system of the condensate storage tank. The tank is equipped with a loading connection compatible to the portable foam pump pu mp and unloading connections compatible with the triple agent fire truck. All connections, loading and unloading are provided with 2-1/2” fire hoses with BS 336 Instantaneous couplings. To refill the foam tank, the low expansion foam concentrate stored in the Warehouse (220-B-1001) is charged to the atmospheric foam tank with the support of a diesel engine driven portable pump for air foam concentrate stored in the Fire and Emergency Station (082-B-1001). The portable foam pump has a flexible tube which draws up foam concentrate from the drum into int o the pump. The delivery hose at the pump outlet is connected to the refilling nozzle of the atmospheric tank.
6.15.2
Foam Solution Piping System The air foam chamber system consist of the foam solution piping, three (3) air foam chambers and six (6) foam hose connections with check valve. Foam solution piping connected to the air foam chambers is of galvanized carbon steel material and laid above ground with low point drains. Three (3) foam chambers around the tank on the periphery of the floating roof are connected to a single foam solution line. At the end of this foam solution line, six (6) foam hose connection with check valves compatible with the 2-1/2” BS 336 fire hoses. The foam solution main line should be normally dry
6.15.3
Semi Fixed Low Expansion Foam Supply System The balanced pressure foam proportioning system of the triple agent fire truck generates the foam solution. 3 Proportioning capacity of the truck is between 36 to 360 m /hr (600 to 6000 l/min). The truck is provided with six (6) discharge hose connections for the foam solution and six (6) suction hose connections for the water supply and one (1) suction hose connection for the external foam concentrate supply. The foam solution piping for the air foam chambers are provided with a manifold of six (6) foam hose connections in which six (6) fire hoses shall be connected to the discharge hose connections of the triple agent fire truck. In order to maintain a constant supply of water, six (6) suction hose connections is connected to the fire water hydrants through fire hoses. Foam concentrate is also supplied to the truck via a hose connection to an external foam concentrate tank, 076-TK-1002. Refer to Attachment – 10, for the typical arrangement of the semi fixed low expansion foam system for the condensate storage tank.
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Doc. No. 82-IOM-HS-1540 KJP Doc. No. S-082-1241-019 Rev. 6A Sheet No. 26 of 114
Portable and Wheeled Fire Extinguishers
The following types of portable and wheeled fire extinguisher are provided for this plant:
6.16.1
56.7 Kg Wheeled BC Dry Chemical Fire Extinguishers 56.7 Kg wheeled type dry chemical extinguishers are of Ansul Model, CR-RT-I-K-150-C. The extinguishers are located at strategic points in the LNG Process Train 1 and 2, LNG Loading Deck, Combo Dock, BOG Compressor, Utility Area and GPF Shore Base.
6.16.2
8.2 Kg BC Portable BC Dry Chemical Fire Extinguishers 8.2 Kg BC type portable fire extinguishers are of Ansul Model, I-K-20-G. The extinguishers are distributed throughout the plant area and located so that the maximum travel distance of 15.25 m as stated in NFPA 10 is satisfied and to cope with small fires at incipient stage.
6.16.3
22.7 Kg Wheeled CO2 Fire Extinguishers 22.7 Kg carbon dioxide fire extinguishers are of Ansul Model, CD-50-D. The extinguishers are located outside the Main Substation (099-B-1002) and Main Control Building (099-B-1001).
6.16.4
4.6 Kg Portable CO2 Fire Extinguishers 4.6 Kg carbon dioxide fire extinguishers are of Ansul Model CD-10-1. The extinguishers are stored in the Fire and Emergency Station (082-B-1001) and may be provided for buildings where electrical equipment is located.
6.16.5
4.54 Kg Portable ABC Dry Chemical Fire Extinguishers (Ansul Model : A10H) 4.54 Kg ABC type portable dry chemical fire extinguishers are of Ansul Model, A10H. The extinguishers are provided for all buildings in the plant.
For the detailed provision of 4.6 Kg carbon dioxide fire extinguishers and 4.54 Kg ABC type dry chemical extinguishers, refer to separate operation manual of buildings. All fire extinguishers are rechargeable. rechargeable. For the detailed refilling instructions refer to the operation manual for each type of extinguishers. After using the extinguisher, immediate replacement is required so that no extinguishers shall be de-commissioned for a long time.
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Doc. No. 82-IOM-HS-1540 KJP Doc. No. S-082-1241-019 Rev. 6A Sheet No. 27 of 114
Portable Fire Fighting Equipment
The plant shall be provided with portable water and foam fire fighting equipment. 6.17.1
Portable Water Monitor Portable ground monitor is provided at the Combo Dock near the ttemporary emporary ground container storage and to be connected to the fire fire water hydrants via hose connection.
6.17.2
Trailer Mounted Oscillating Fire Water Monitor Knowsley trailer mounted oscillating water – foam monitor is provided at the Combo Dock to cover the Condensate Loading Arms and surrounding areas. The trailer is equipped with a 200 L foam tank and oscillating water monitor with self-educting monitor nozzle capable of handling 3% AFFF low expansion foam concentrate. Suitable connections are provided to connect the trailer to the fire water hydrants via hose connections.
6.18
Safety Apparatus
The following safety apparatus are provided for personnel protection and first aid. For the detailed operation and maintenance procedures, refer to Vendor’s manual. 6.18.1
Self-Contained Breathing Apparatus A complete set of breathing assembly including face piece, breathing tube, regulators, hose assembly, harness and carrier assembly suitable for 30 min. breathing oxygen supply. This equipment is provided for the following areas: (1) LNG Process Train 1 and 2 Stored in sturdy boxes and installed at the main pipe rack columns near the Acid Gas Removal Area. (2) Off Site Building Area Stored in the Fire and Emergency Station (082-B-1001) and used by fire fighters as well as replacem replacement ent spares for the breathing apparatus installed outdoors.
6.18.2
Toxic Gas Mask Toxic gas masks of full-face type suitable against H 2S suffocation. The equipment shall be provided in the following areas: (1) LNG Process Train 1 and 2 Stored in sturdy boxes (separate from the self-contained breathing apparatus) and installed at the main pipe rack columns near the Acid Gas Removal Area. (2) Off Site Building Area Stored in the Fire and Emergency Station (082-B-1001) used by fire fighters as well as replacement spares for the toxic gas mask installed outdoors.
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6.18.3
Doc. No. 82-IOM-HS-1540 KJP Doc. No. S-082-1241-019 Rev. 6A Sheet No. 28 of 114
First Aid Kit First aid medical equipment packed in a carrying case, suitable for diseases and possible injuries in the LNG plant. (1) LNG Process Train 1 Inside the LCR – Process Train 1 (091-B-1002) (2) LNG Process Train 2 Inside the LCR – Process Train 2 (092-B-1002) (3) Utility Area Inside the LCR - Utility (060-B-1001) (4) Main Control Building Area Inside the Main Control Building (099-B-1001), Laboratory (200-B-1002) and Solid Waste Storage (310-B-1001). (5) GPF Shore Base Inside the Office Block (350-B-1001) (6) Off Site Building and Haul Road Area Inside the Fire and Emergency Station (082-B-1001), Maintenance Workshop (200-B-1001) and Warehouse (220-B-1001).
6.19
Fire and Emergency Station
A Fire and Emergency Station (082-B-1001) is provided within the Off Site Building Area. Operation Board and HDMS (F&G) VDU are located since fire fighters are always stationed in this area. The four (4) fire fighting vehicles namely : Fire Water Truck for Plant Area, Triple Agent Fire Truck, Commander Car and Ambulance Vehicle will also be parked in this building. Moreover, sufficient space is allocated to store miscellaneous equipment and do maintenance work.
6.20
Standard and Miscellaneous Equipment
Standard and miscellaneous equipment are provided in the Fire and Emergency Station (082-B-1001) in addition to the equipment and tools mounted on the fire fighting vehicles. These equipment and tools may be mounted on the vehicles, used as spares for outdoor equipment and as special equipment during maintenance work and refilling work. Refer to Attachment –11 for the list of Standard and Miscellaneous Equipment.
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Doc. No. 82-IOM-HS-1540 KJP Doc. No. S-082-1241-019 Rev. 6A Sheet No. 29 of 114
Fire Fighting Vehicles
Four (4) fire fighting vehicles shall be provided for the whole plant. For the detailed operation and maintenance procedures, refer to Vendor’s manual.
6.21.1
Fire Water Truck for Plant Area The fire water truck for plant area is the fire fighting vehicle to be used for fire scenarios requiring fire control or extinguishment by water application such as flammable and liquid fires or spills. The truck has a water 3 3 tank capacity of 6 m (6000 liters) with a pump rated capacity of 168 m /hr (2800 l/min).
6.21.2
Triple Agent Fire Truck The triple agent fire truck is used for fire fighting operations that requires water or low expansion foam or BC type dry chemical powder (Purple K agent) for fire control and extinguishment. Same with the fire water 3 truck for plant area, the triple agent has ample water tank (8 m or 8000 liters) with fire water pump rated 3 capacity of 342 m /hr (5700 l/min). The triple agent fire truck is used mainly to protect the Condensate Storage Tank, 076-TK-1001 using low 3 expansion foam. The foam system of the truck has a foam tank capacity of 1 m (1000 liters) and foam 3 proportioning range from from 36 to 360 m /hr (600 to 6000 l/min). Moreover, dry chemical powder compatible with the foam concentrate of the plant and dry chemical fire extinguishers is included in the truck’s fire fighting capability. Dry powder tank with a capacity of 500 Kg expelled through a dry chemical hose reel unit at a rate of 2.5 Kg/sec is provisioned for the vehicle.
6.21.3
Ambulance Vehicle A medium sized van equipped with medical equipments such as stretcher, blankets, portable oxygen, splints, bandages and first first aid kits.
6.21.4
Commander Car The commander car’s function is to lead the other fire fighting vehicles into the crash or accident area. The vehicle is of robust construction and designed for maximum mobility and reliability to respond to fire fighting situation.
6.22
Fixed Dry Chemical Extinguishing System
Two (2) fixed dry chemical extinguishing systems are provided for the PSV tail pipes of each LNG Storage Tanks (071-TK-1001 and 1002). The primary (System A) and secondary (System B) system are installed on the roof of each tank near the PSV cluster. Under the condition of fire detection, the local control panel shall automatically activate the primary dry chemical system, whereas the secondary system will be manually activated from the HDMS Operation Board in the MCB (099-B-1001) and Fire and Emergency Station (082-B-1001), when the operator confirms the fire is not extinguished by the primary system. The relevant HDMS will receive the following alarm signals from the control panels and the alarms will be indicated on the HDMS VDU in the MCB (099-B-1001) and Fire and Emergency Station (082-B-1001). (1) Common Fire Alarm (2) Common Fault Alarm (3) Dry Chemical System Actuation (4) System Selected Status For the detailed configuration and operation of the dry chemical system, refer to the Vendor’s operation manual.
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Doc. No. 82-IOM-HS-1540 KJP Doc. No. S-082-1241-019 Rev. 6A Sheet No. 30 of 114
Carbon Dioxide Total Flooding System
Total flooding carbon dioxide (CO2) systems linked to the fire detection system is provided for the sealed under-floor cableways cableways in the Local Control Room (LCR) and Main Control Building (099-B-1001), gas turbine enclosures and emergency diesel generator enclosures.
6.23.1
Sealed Under Floor Cableways of the LCR and MCR For the LCR and MCB (099-B-1001), the building subcontractor provides the CO2 systems. For the detailed description, refer to Vendor’s operation manual. The following buildings are provided with fixed CO2 systems: (1) Main Control Building (099-B-1001) (2) Local Control Room – ORF/Flare (010-B-1002) (3) Local Control Room – Jetty (071-B-1004) (4) Local Control Room – BOG (071-B-1005) (5) Local Control Room – Condensate Tank (076-B-1001) (6) Local Control Room – Train 1 (091-B-1002) (7) Local Control Room – Train 2 (092-B-1002) (8) Local Control Room – Combo Dock (230-B-1001)
6.23.2
Gas Turbine Enclosures For the gas turbine enclosures, the CO2 systems are to be provided by the equipment Vendor. The gas turbine enclosures are the following: (1) Compressor Shelter for MR Compressor Train 1 (091-B-0002) (2) Compressor Shelter for C3 / MR Compressor Train 1 (091-B-0001) (3) Compressor Shelter for MR Compressor Train 2 (092-B-0002) (4) Compressor Shelter for C3 / MR Compressor Train 2 (092-B-0001) The local control panels will actuate the CO 2 suppression systems and the relevant HDMS will receive the following alarm signal from the local control panels and indicated in the HDMS VDU in the MCB (099-B-1001) and Fire and Emergency Station (082-B-1001):
(1) CO2 Discharged (2) CO2 Release Inhibited (3) Enclosure Fire Detected Trip (4) GT Inlet Filter Gas Concentration HH Trip (5) CO2 Not Available (6) F & G System Fault Lube oil console for GT drivers is provided with UV / IR flame detectors and the common fire alarm, as Enclosure Fire Detected Trip listed above will be sent from the local control panels to the relevant HDMS. For the detailed description, refer to the following: (1) Control System Functional Description, V-2158-501-A-404 (2) Installation, Operation and Maintenance Manual, V-2158-501-A-360
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6.23.3
Doc. No. 82-IOM-HS-1540 KJP Doc. No. S-082-1241-019 Rev. 6A Sheet No. 31 of 114
Emergency Diesel Generator Enclosures For the emergency diesel generator (061-EDG-1001A/B/C) enclosures, the CO2 systems are to be provided by the equipment Vendor. Vendor. The local control panels will actuate the CO 2 suppression systems and the relevant HDMS will receive the following alarm signal from the local control panels and indicated in the HDMS VDU in the MCB (099-B-1001) and Fire and Emergency Station (082-B-1001): (1) Common Fire Alarm (2) Common Fault Alarm (3) CO2 Suppression System Actuation For the detailed description, refer to the following: (1) Fire Fighting System Data Sheet, V-2181-001-A-69 V-2181-001-A-692 2 (2) Operation and Maintenance Manual, V-2181-001-A-801
7.
HAZARD DETECTION AND MONITORING SYSTEM
7.1
System Configuration
The Hazard Detection and Monitoring System (HDMS) consists of control units (HDMS (F&G) in MCB, and LCR’s), man-machine interface equipment (visual display units (VDU) and hardwired operation boards in the MCB and Fire and Emergency Station), outdoor alarm initiating devices (manual call points, heat detectors, flame detectors (Triple IR type, UV/IR Type and CCTV), combustible gas detectors (point type and line of sight), H2S gas detectors, cryogenic spill detectors, pressure switches for fire fighting system) and indoor fire alarm system (building fire alarm local panels, manual call points, HSSD, smoke detectors and heat detectors) and alarm bells) bells) and outdoor alarm notification appliances (PA / GA system). For the conceptual over all configurations of the HDMS, refer to Section 2.3. The HDMS is for constant supervision of fire and gas detection system and fire protection system.
7.2
Control Units
7.2.1
HDMS (F&G) in Main Control Building (MCB) The HDMS (F&G) in MCB gathers all fire and gas leak status throughout the plant via HDMS (F&G) in LCR and building fire alarm local panels and execute various functions according to the relevant P & ID’s and cause and effect and logic diagrams. The HDMS (F&G) in the MCB (099-B-1001)and will monitor and control the HDMS devices but also fire water, foam, dry chemical, carbon dioxide and fire water pump systems.
7.2.2
HDMS (F&G) in Local Control Room (L CR) The HDMS (F&G) in LCR receives signals from the HDMS field devices in the relevant areas and will initiate fire fighting systems where required. Each HDMS (F&G) in LCR is an addressable system. In an addressable system, the plant is divided into zones, in which any circuit fault from any zone will not affect other zones.
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7.3
Man – Machine Interface Equipment
7.3.1
Hardwired Operation Board
Doc. No. 82-IOM-HS-1540 KJP Doc. No. S-082-1241-019 Rev. 6A Sheet No. 32 of 114
Operation boards shall be provided at the MCB (099-B-1001) and the Fire and Emergency Station (082-B-1001).
7.3.1.1
Operation board at the MCB The operation board is provided with the following operation buttons; (1) Start switches for the utility area fire water pumps, 082-P-1001A/B (2) On / off switches for the t he high expansion foam systems (3) Start switches for the fixed water spray (deluge) system for the LNG Loading Deck (4) Start switches for the fixed fog nozzles for LNG Storage Tanks (5) Start switches for the oscillating fire water monitors and fixed fog nozzle system (6) Start switches for the PA / GA system for plant area, for fire alarm, gas alarm and evacuation alarm
7.3.1.2
Operation board at the Fire and Emergency Station The operation board is provided with the following operation buttons; (1) Start switches for utility area fire water pumps, 082-P-1001A/B (2) Start switches for administration and dormitory fire water pumps, 340-P-1001A/B (3) Start switches for fixed water spray (deluge) system for LNG Loading Deck (4) Start switches for the fixed fog nozzles for LNG Storage Tanks (5) Start switches for the PA / GA system for plant area, for fire alarm, gas alarm and evacuation alarm
7.3.2
Visual Display Unit An HDMS VDU with printer is provided in the Main Control Building (099-B-1001) and Fire and Emergency Station (082-B-1001). These display stations monitors the overall and detailed information of the HDMS and fire protection system detection, control actions and status indication.
7.4 7.4.1
Outdoor Alarm Initiating Devices Manual Call Point
Outdoor manual call points are installed throughout the plant area along roads, access ways, pump stations and pump platforms that offer high possibility and accessibility to plant personnel.
7.4.1.1
Signal Notification Activation of the manual call point, results in an individual fire alarm signal indication in the HDMS VDU in the MCB (099-B-1001) and Fire and Emergency Station (082-B-1001). Also, a common fire alarm per HDMS will be initiated in the DCS. When a fault scenario occurs, individual fault alarms per manual call point will be indicated in the HDMS VDU in the MCB (099-B-1001) and Fire and Emergency Station (082-B-1001). Also, a common fault alarm per HDMS will be initiated initiated in the DCS.
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Audible Alarm Upon confirmation of a fire alarm, an operator in either the MCB (099-B-1001) and Fire and Emergency Station (082-B-1001) can activate the audible alarm devices depending on the PA / GA or GA zones to which the fire alarm was detected.
7.4.1.3
Visual Alarm No visual alarm is provided provided for fire detection alarm because outdoor fire fire can be perceived. perceived.
7.4.2
Combustible Gas Detectors – Point Type Combustible gas detectors are installed around the mechanical seal of pumps and compressors handling butane and lighter product product or handling hydrocarbons hydrocarbons at or above their flash flash point and valve manifolds handling LNG and condensate loading arms at the loading berth. Also, at major flange leakages in the gas processing and fractionation fractionation area. Fresh air air intake or combustion combustion air intake of air and and gas turbine compressors shall also be provided with detectors. Gas alarm levels shall be 20% LEL and 50 % LEL of combustible gas concentration for High level and High-high level alarm, respectively.
7.4.2.1
Signal Notification Upon detection of gas leakage by a combustible gas detector, individual combustible gas detection alarm indication in the HDMS VDU in the t he MCB (099-B-1001) and Fire and Emergency Station (082-B-1001). Also, a common combustible gas alarm per HDMS will be initiated in the DCS. When a fault scenario occurs, individual fault alarms per combustible gas detector will be indicated in the HDMS VDU in the MCB (099-B-1001) and Fire and Emergency Station (082-B-1001). Also, a common fault alarm per HDMS will be initiated in the DCS.
7.4.2.2
Audible Alarm Upon confirmation of an combustible gas leak, an operator in either the MCB (099-B-1001) and Fire and Emergency Station (082-B-1001) can activate the audible alarm devices depending on the PA / GA or GA zones to which the combustible gas alarm was detected.
7.4.2.3
Visual Alarm Combustible gas detection visual alarms in the field will be actuated as per the combustible gas visual alarm zones in Section 7.7.2. When a combustible gas detector detects a leakage, the beacon corresponding to the combustible gas visual alarm zone where the detector is located will be activated. The beacon will be yellow in color to distinguish from other visual alarm devices at field.
7.4.3
Combustible Gas Detector – Line of Sight The line of sight combustible gas detector shall be of long-range type (max. 120 m) infrared hydrocarbon gas detector that will be used for large open spaces. The detectors are installed around the LNG Process Train 1 and 2 and at the west side of the Refrigerant Storage Area. Gas alarm levels shall be 1 LELM and 3 LELM of combustible gas concentration for High level and High-high level alarm, respectively.
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7.4.3.1
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Signal Notification Upon detection of gas leakage by a line of sight combustible gas detector, individual combustible gas detection alarm indication in the HDMS VDU in the MCB (099-B-1001) and Fire and Emergency Station (082-B-1001). Also, a common combustible gas alarm per HDMS will be initiated in the DCS. When a fault scenario occurs, individual fault alarms per combustible gas detector will be indicated in the HDMS VDU in the MCB (099-B-1001) and Fire and Emergency Station (082-B-1001). Also, a common fault alarm per HDMS will be initiated in the DCS.
7.4.3.2
Audible Alarm Upon confirmation of an combustible gas leak, an operator in either the MCB (099-B-1001) and Fire and Emergency Station (082-B-1001) can activate the audible alarm devices depending on the PA / GA or GA zones to which the line of sight combustible gas alarm was detected.
7.4.3.3
Visual Alarm Combustible gas detection visual alarms in the field will be actuated as per the combustible gas visual alarm zones in Section 7.7.2. The combustible gas detector point type and line of sight will have the same type of visual alarm (beacon) devices. When a combustible gas detector detects a leakage, the beacon corresponding to the combustible gas visual alarm zone where the detector is located will be activated. The beacon will be yellow in color to distinguish from other visual alarm devices at field.
7.4.4
H2S Gas Detector H2S gas detectors are installed around equipment containing H2S over 50 ppm in concentration and HVAC air intake duct for pressurized buildings such as MCB (099-B-1001) and LCR’s nearby to where the H2S gas may be present. Gas alarm levels shall be 10 ppm and 15 ppm of H2S concentration in ambient for High level and High-high level alarm, respectively.
7.4.4.1
Signal Notification Upon detection of gas leakage by a H 2S gas detector, individual H2S gas detection alarm indication in the HDMS VDU in the MCB (099-B-1001) and Fire and Emergency Station (082-B-1001). High and High-high level alarms on the VDU shall have a different d ifferent and distinct sound to aid operators in determining the severity of H2S concentration. Also, a common H2S gas detection alarm per HDMS will be initiated in the DCS. When a fault scenario occurs, individual fault alarms per H2S gas detector will be indicated in the HDMS VDU in the MCB (099-B-1001) and Fire and Emergency Station (082-B-1001). Also, a common fault alarm per HDMS will be initiated initiated in the DCS.
7.4.4.2
Audible Alarm Upon confirmation of an H2S gas leak, an operator in either the MCB (099-B-1001) and Fire and Emergency Station (082-B-1001) can activate the audible alarm devices depending on the PA / GA or GA zones to which the H2S gas alarm was detected.
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7.4.4.3
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Visual Alarm H2S gas detection visual alarms in the field will be actuated as per the H 2S gas visual alarm zones in Section 7.7.2. When a H2S gas detector detects a leakage, l eakage, the beacon corresponding to the H2S gas visual alarm zone where the detector is located will be activated. The beacon will be blue in color to distinguish from other visual alarm devices at field.
7.4.5
Flame Detector – Triple IR and UV / IR Type Flame detectors that are of Triple IR type are installed in the spill containment basins, BOG compressors and around LNG loading pumps on each LNG tank roof and LNG and condensate loading arms. Flame detectors that are of UV / IR type are installed inside acoustic enclosures for gas turbines and around lube oil skids for C3 / MR compressors.
7.4.5.1
Signal Notification Activation of the flame detectors, results in an individual fire alarm signals indication in the HDMS VDU in the MCB (099-B-1001) and Fire and Emergency Station (082-B-1001). Also, a common fire alarm per HDMS will be initiated in the DCS. When a fault scenario occurs, individual fault alarms per flame detector will be indicated in the HDMS VDU in the MCB (099-B-1001) and Fire and Emergency Station (082-B-1001). Also, a common fault alarm per HDMS will be initiated in the DCS. The fixed fog nozzle system of the LNG Storage Tanks (071-TK-1001/1002) will be activated by 2oo2 voting of the Triple IR flame detectors installed on the pump platform of each tank. The high expansion foam systems will be activated by 2oo2 voting of the Triple IR flame detectors installed near the LNG spill containment basins.
7.4.5.2
Audible Alarm Upon confirmation of a fire alarm, an operator in either the MCB (099-B-1001) and Fire and Emergency Station (082-B-1001) can activate the audible alarm devices depending on the PA / GA or GA zones to which the fire alarm was detected.
7.4.5.3
Visual Alarm No visual alarm is provided provided for fire detection alarm because outdoor fire fire can be perceived. perceived.
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7.4.6
Doc. No. 82-IOM-HS-1540 KJP Doc. No. S-082-1241-019 Rev. 6A Sheet No. 36 of 114
Flame Detector - CCTV Type The CCTV flame detection system is a standalone system that combines fire detection and video monitoring and interface with HDMS. The detectors are installed in the LNG Process Train – 1 and 2, ORF and Refrigerant Storage Area, LNG Storage Tank area, LNG Loading Deck and Combo Dock.
7.4.6.1
Signal Notification Activation of the flame detectors, results in an individual fire alarm signals indication in the HDMS VDU in the MCB (099-B-1001) and Fire and Emergency Station (082-B-1001). Also, a common fire alarm per HDMS will be initiated in the DCS. A fire detected by the CCTV flame detector, can also be monitored through a display image of the CCTV flame detection system in the MCB (099-B-1001). When a fault scenario occurs, individual fault alarms per flame detector will be indicated in the HDMS VDU in the MCB (099-B-1001) and Fire and Emergency Station (082-B-1001). Also, a common fault alarm per HDMS will be initiated in the DCS.
7.4.6.2
Audible Alarm Upon confirmation of a fire alarm, an operator in either the MCB (099-B-1001) and Fire and Emergency Station (082-B-1001) can activate the audible alarm devices depending on the PA / GA or GA zones to which the fire alarm was detected. Also, in the MCB (099-B-1001), the CCTV flame detection system will generate an audible alarm upon fire detection.
7.4.6.3
Visual Alarm / Display No outdoor visual alarm is provided for fire detection detection alarm because because outdoor fire can be perceived.
7.4.7
Cryogenic Spill Detectors Cryogenic spill detectors shall be of RTD skin thermal element type and installed at each spill containment basin and entrance of the drain pipe of the spill protection system on each each LNG Storage Tank (076-TK-1001/1002) roof.
7.4.7.1
Signal Notification Activation of the cryogenic spill detectors, results in an individual fire alarm signals indication in the HDMS VDU in the MCB (099-B-1001) and Fire and Emergency Station (082-B-1001). When a fault scenario occurs, individual fault alarms per cryogenic spill detector will be indicated in the HDMS VDU in the MCB (099-B-1001) and Fire and Emergency Station (082-B-1001). Also, a common fault alarm per HDMS will be initiated in the DCS. The high expansion foam systems will be activated by the actuation of the spill detector installed near the LNG spill containment basins.
7.4.7.2
Audible Alarm Upon confirmation of a spill alarm, an operator in either the MCB (099-B-1001) and Fire and Emergency Station (082-B-1001) can activate the audible alarm devices depending on the PA / GA or GA zones to which the spill alarm was detected.
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Visual Alarm / Display No visual alarm is provided provided for cryogenic spill detector detector alarm.
7.4.8
Heat Detector Pilot sprinkler heads as heat detectors are installed for the Gangway Tower and Monitor Tower at the LNG Loading Deck for the automatic actuation of the water spray (deluge) system. The pilot sprinkler heads are pressurized by fire water water priming line through the deluge valve trim. In fire fire cases, the pilot sprinkler heads actuates the deluge valves to a fully open position by a pressure drop in the priming line.
7.4.9
Pressure Switches for Fire Fighting Systems Activation Detection In order to detect an activation of the outdoor fire water and foam systems, a pressure switch is utilized as the operation detector for those systems. For the systems to be provided with pressure switch activation refer to Attachment – 9. Pressure switches are located downstream of the deluge valve. When deluge valves open, the pressure switch 2 detects fire water or foam solution flow at the t he set point of 2.0 Kg/cm G and the system activation will be indicated in the HDMS VDU in the MCB (099-B-1001) and Fire and Emergency Station (082-B-1001).
7.5
Indoor Fire Alarm System and Initiating Devices
7.5.1
System Components
7.5.1.1
Building fire alarm 1ocal panel A fire alarm local panel (FALP) for the indoor fire alarm system is installed for each building where the fire and gas system is provided. Fire detection in the building and gas detection at the air intake shall be addressable in the FALP for the building on hazard. The panels are capable of communicating with the HDMS in the MCB (099-B-1001) and LCR’s. For the buildings to be provided with fire alarm local panels refer to Attachment – 12.
7.5.1.2
Indoor fire alarm initiating devices Indoor fire alarm system initiating devices, such as manual call points, smoke detectors, HSSD, heat detectors, flame detectors, combustible gas detector, H 2S gas detector, fire alarm bells and indicator lamps. For the buildings to be provided with indoor fire alarm initiating devices, refer to Attachment – 12.
7.5.1.3
Building fire alarm zones For the buildings, fire and gas alarm system will be provided as required, and the number of fire zones for each building are as follows: (1) Administration Building ((341-B-1001) 341-B-1001) - Eight (8) fire zones zones (2) Dormitory Block A (342-B-1001) - Twelve (12) (12) fire zones, two (2) zones per floor (3) Dormitory Block B (347-B-1001) - Twelve (12) fire zones, two (2) zones per floor (4) For Other Buildings - One (1) fire zone zoness per building
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7.5.2
System Operation
7.5.2.1
General notification of signal
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Upon fire or gas detection, the detector will send a signal to the FALP as either as a common fire alarm per zone or building fire alarm per zone or common combustible gas alarm or common H2S gas alarm. The FALP will in turn send a signal to the related HDMS and will be indicated in the HDMS VDU in the MCB (099-B-1001) and Fire and Emergency Station (082-B-100). Also, a common fire alarm, common combustible gas alarm or a common H2S gas alarm per HDMS will be initiated in the DCS. The HVAC system will be totally t otally shut down through FALP when the building fire detection system activates. The FALP will automatically activate the fixed CO 2 System or Sprinkler system, if provided, upon receiving a fire detection signal. The FALP will send a system actuation signal to the related HDMS and will be indicated in the HDMS VDU in the MCB (099-B-1001) and Fire and Emergency Station (082-B-1001). When a fault scenario occurs, a common building fault alarm per fire alarm zone will be indicated in the HDMS VDU in the MCB (099-B-1001) and Fire and Emergency Station (082-B-1001). Also, a common fault alarm per HDMS will be initiated in the DCS.
7.5.2.2
Air intake Signal Notification Combustible/ H2S Gas Detection For the following buildings, single combustible gas detector and/or single H2S gas detector at each air-intake are dedicated. - Main Control Building (099-B-1001) - LCR – ORF/Flare (010-B-1002) - LCR – Utility (060-B-1001) - LCR – Jetty (071-B-1004) - LCR – Process Train-1 (091-B-1002) - LCR – Process Train-2 (092-B-1002) - LCR – Combo Dock (230-B-1001) - Main Control Building (099-B-1001) - LCR – Utility (060-B-1001) - LCR – Process Train-1 (091-B-1002) - LCR – Process Train-2 (092-B-1002)
Air intakes with combustible gas detector / H 2S gas detector will be automatically shut off the air intake damper and stop air intake and exhaust fans through FALP upon gas leak detection. In such event, air-handling unit shall continue re-circulating. Although the air intakes of the some substations are not equipped with a dedicated combustible gas detector, combustible gas detectors located around the following substations will automatically shut off the air damper and stop air intake and exhaust fan and shutdown HVAC. In such case, air intake shut off signal will be sent from the relevant HDMS to the relevant FALP. - Main Substation (099-B-1002) - Substation - ORF (010-B-1001) - Substation - Process Train - 1A (091-B-1001) - Substation - Process Train - 1B (091-B-1007) - Substation - Process Train - 2A (092-B-1001) - Substation - Process Train - 2B (092-B-1007)
For the list of the substations and the detectors to initiate the air intake shut off, refer to Attachment – 13. Note that, since Main Substation (099-B-1002) and Substation - ORF (010-B-1001) are not provided with air intake, HVAC only will be shutdown upon the gas detection around the substations.
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The HVAC system will be totally t otally shut down through FALP when the building fire detection system activates. Refer to Attachment 27 to Attachment 30, for the detail locations detectors that will activate the air intake of the substations.
Fire Detection The HVAC system will be totally shut down through FALP when the building indoor fire detection system, such as smoke detectors and heat detectors, activates. Activation of the HVAC shutdown, including air damper shut, in the event of an external fire is not included in the shutdown philosophy. When an external fire occurs, the HVAC system can be manually shut down at the related building.
7.5.2.3
Audible alarm Upon confirmation of a common fire alarm, common combustible gas alarm and common H2S gas alarm, an operator in either the MCB (099-B-1001) and Fire and Emergency Station (082-B-1001) can activate the audible alarm devices depending on the PA / GA or GA zones to which the fire or gas detection alarm was detected.
7.5.2.4
Visual alarm For the building at whose air intake gas detectors are provided, a gas alarm beacon will be located outdoor at the main entrance of the building. The beacon for this case will be initiated by the FALP in the building.
7.6
Outdoor Alarm Notification Appliances
The HDMS automatically initiates local visual alarm around the area where gas leakage is detected. No visual alarm is provided for fire detection alarm because outdoor fire can be witnessed. Visual alarms for the combustible gas and H 2S gas detection alarm are through beacons of distinct colors to to distinguish each gas leak situation. Audible alarms are controlled via the PA / GA system from the HDMS Operation Board at the MCB (099-B-1001) and Fire and Emergency Station (082-B-1001) . Distinct audible alarms are provided for each hazard situation : fire/H2S gas detection, combustible gas detection, evacuation evacuation and all clear tone.
7.7
Alarm Notification System
Fire and / or gas alarm signals are monitored by the HDMS. Audible and / or visual alarms corresponding to the HDMS shall be initiated on a zone by zone basis corresponding to where the fire or gas leakage is detected.
7.7.1
Audible Alarm Zones The PA / GA system is utilized for the audible alarms. There are three (3) emergency audible alarms and one (1) all clear tone to distinguish each hazard situation. The following are the audible alarms with the corresponding alarm tone definition:
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Alarm Tone
Frequency
Form
Fire / H2S Gas Detection Alarm
1000 Hz
5 seconds on, 5 seconds off
Combustible Gas Detection Alarm
1000 Hz
1 second on, 1 second off
Evacuation Alarm
1000 Hz / 800 Hz
Oscillating tone
All Clear Tone
1000 Hz
Continuous tone
Upon confirmation of a fire or gas leakage, the audible alarms, through the PA / GA system are manually initiated by actuation of the hand switches in the Operation Board at the MCB (099-B-1001) and Fire and Emergency Station (082-B-1001_. The plant will be divided into audible alarm zones, seven (7) PA / GA zones wherein alarms are by means of speakers and two (2) GA zones wherein alarms are by means of sirens.
7.7.1.1
7.7.1.2
PA / GA Zones (1) PAGA – 1
: Main Control Building Area
(2) PAGA – 2
: LNG Loading Deck Area
(3) PAGA – 3
: Condensate Storage Area
(4) PAGA – 4
: Off Site Building Area
(5) PAGA – 5
: Combo Dock Area
(6) PAGA – 6
: Administration and Dormitory Area
(7) PAGA – 7
: GPF Shore Base Area
GA Zones (1) GA – 1
: LNG Process Train – 1 and 2, Plant Utility, ORF & Refrigerant Storage and Flare KO Drum and Flare Stack Area
(2) GA – 2
: LNG Storage, BOG Compressor, Tankage Flare and Desalination Area
The Operation Board in the Fire and Emergency Station (082-B-1001) can actuate the audible alarms for all zones, while the Operation Board in the Main Control Building (099-B-1001) can actuate audible alarms for the facility related to LNG and Condensate production such as PAGA – 1, PAGA – 2, PAGA – 3, PAGA – 5, GA – 1 and GA – 2. Refer to Attachment – 14 for the alarm functions and the coverage zones of the Operation Boards. For the PA / GA and GA zone demarcations, refer to Attachment – 15 and Attachment –16. For the location and quantity of PA / GA audible devices, refer to Section 2.6, Telecommunication Equipment Layout.
7.7.2
Visual Alarm (Beacon) Zones In addition to the activation of audile alarms, visual alarm (beacon) devices for gas leakage shall also be activated. Beacons are assigned to a specific area monitored by gas detectors and are located near access ways to notify personnel in the vicinity vi cinity of the gas leakage. The combustible gas detectors (Point Type and Line of Sight) and H2S gas detectors have specific beacon color for easy identification. Yellow for combustible gas detection alarm and blue for H 2S gas detection alarm. Beacons are actuated when one gas detector raises a high level concentration gas alarm in an area corresponding to the beacon alarm zone.
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The plant is divided into combustible gas visual alarm zones and H2S gas visual alarm zones and the alarms will be actuated as follows: (1) When a point type combustible gas detector detects a leakage, the beacon corresponding to the combustible gas visual alarm zone where the detector is located will be activated (2) When a line of sight gas combustible detector located in between two (2) combustible gas alarm zones, the beacons of both zones will be activated (3) When a H2S gas detector detects a leakage, the beacon corresponding to the H2S gas visual alarm zone where the detector is located will be activated For the combustible gas visual alarm zones and H2S gas visual alarm zones demarcations for each area, refer to Attachment – 17 to Attachment - 26. For the building at whose air intake gas detectors are provided, a gas alarm beacon will be located outdoor at the main entrance of the building. The beacon for this case will be initiated by the FALP in the building.
7.8
Utilities
7.8.1
Electric Power The HDMS is provided with two (2) independent and reliable power supply; primary and secondary (standby) for the fire alarm local panel and the HDMS (F&G) and HDMS VDU. For the fire alarm local panel, the primary power supply is the Interruptible Power Supply (IPS) and the secondary power supply is a dedicated battery unit with sufficient capacity to operate the system for 24 hours under maximum normal load; and at the end of that period to operate the required notification appliances and control devices for 5 minutes. For the HDMS (F&G) and HDMS VDU, the primary power supply is from the UPS having a capacity of 30 minutes operation, IPS is supplied for the UPS. Secondary power supply is the UPS back up which are the emergency diesel generators (061-EDG-1001A/B/C/D).
7.8.2
Instrument Air Dry air will be used for instrument air with nitrogen as back up supply.
7.9
Alarm Set Points
7.9.1
Combustible Gas Detector Detector - IR Type Alarm Set Point Point Alarm set points of combustible gas detectors – IR type are as follows;
7.9.2
(1) High Level Alarm
: 20% LEL
(2) High-high Level Alarm
: 50% LEL
Combustible Gas Detector - Line of Si Sight ght Set Point Alarm set points of combustible gas detectors – line of sight are as follows;
7.9.3
(1) High Level Alarm
: 1 LELM
(2) High-high Level Alarm
: 3 LELM
H2S Gas Detector Alarm Set Point Alarm set points of H2S gas detector are as follows; (1) High Level Alarm
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0 6
: 10 ppm : 15 ppm
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8.
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FIRE PROTECTION FOR LNG PROCESS TRAIN 1 AND 2, ORF AND REFRIGERANT STORAGE AREA CORRESPONDING TO ZONING PHILOSOPHY
There are four (4) zone systems in the Tangguh LNG Project relating to the safety and emergency system of the plant, these are Fire and Gas Detection Zone, Fire Zone, ESD zone and EDP zone. Zoning consistency is especially important for the LNG Process Trains 1 and 2, Onshore Receiving Facilities and Refrigerant Storage Area because these areas are divided into smaller fire zones. Consistency ensures that upon fire or gas detection in a Fire and Gas Detection Zone, the operators can take appropriate actions for the ESD / EDP and Fire Protection systems as required. This section describes the zoning demarcations and fire protection management philosophy considering the safety / emergency systems zoning.
8.1
Fire and Gas Detection Zone
A Fire and Gas Detection Zone defines an area where a fire or gas is detected.
8.1.1
Onshore Receiving Facilities The ORF is demarcated into four (4) Fire and Gas Detection Zones. (1) Zone A – Unit 016 (Vorwata Gas Scrubber) (2) Zone A – Unit 016 (Vorwata Gas Cooler) (3) Zone A – Unit 016 (Slug Catcher) (4) Zone A – Unit 011 (Condensate Stabilizer) Refer to Attachment – 31, for the demarcation layout of the ORF.
8.1.2
Refrigerant Storage The Refrigerant Storage is demarcated into three (3) Fire and Gas Detection Zones. (1) Zone G – Unit 074 (Ethane Refrigerant Storage) (2) Zone G – Unit 074 (Propane Refrigerant Storage – A) (3) Zone G – Unit 074 (Propane Refrigerant Storage – B) Refer to Attachment – 31, for the demarcation layout of the ORF.
8.1.3
LNG Process Train – 1 The LNG Process Train – 1 is demarcated into eight (8) Fire and Gas Detection Zones. (1) Zone B – Unit 021 (Acid Gas Removal) (2) Zone B – Unit 021 / 031 (Amine Circulation, Dehydration) (3) Zone B – Unit 031 (Dehydration and Mercury Removal) (4) Zone B – Unit 041 / 051 (Gas Fractionation and C3 Accumulator) (5) Zone C – Unit 051 (LP / MP MR Compressor) (6) Zone D – Unit 051 (Gas Liquefaction) (7) Zone E – Unit 051 (Refrigerant Circuit) (8) Zone F – Unit 051 (C3 Refrigerant and HP MR Compressor) Refer to Attachment – 32, for the demarcation layout of the LNG Process Train – 1.
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8.1.4
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LNG Process Train – 2 The LNG Process Train – 1 is demarcated into eight (8) Fire and Gas Detection Zones. (1) Zone B – Unit 022 (Acid Gas Removal) (2) Zone B – Unit 022 / 032 (Amine Circulation, Dehydration) (3) Zone B – Unit 032 (Dehydration and Mercury Removal) (4) Zone B – Unit 042 / 052 (Gas Fractionation and C3 Accumulator) (5) Zone C – Unit 052 (LP / MP MR Compressor) (6) Zone D – Unit 052 (Gas Liquefaction) (7) Zone E – Unit 052 (Refrigerant Circuit) (8) Zone F – Unit 052 (C3 Refrigerant and HP MR Compressor) Refer to Attachment – 33, for the demarcation layout of the LNG Process Train – 2.
8.2
Fire Zone
A Fire Zone defines an area where a fire escalation to other zones would be restricted with some specific active fire protection systems. Accordingly, one or several fire fighting systems such as oscillating fire water monitor system, fixed fog nozzle system and others will protect one specific Fire Zone.
8.2.1
Onshore Receiving Facilities The ORF is demarcated into four (4) Fire Zones. This zone demarcation is consistent with the Fire and Gas Detection Zones. (1) Zone A – Unit 016 (Vorwata Gas Scrubber) (2) Zone A – Unit 016 (Vorwata Gas Cooler) (3) Zone A – Unit 016 (Slug Catcher) (4) Zone A – Unit 011 (Condensate Stabilizer) Refer to Attachment – 31, for the demarcation layout of the ORF.
8.2.2
Refrigerant Storage The Refrigerant Storage is demarcated into three (3) Fire and Gas Detection Zones. This zone demarcation is consistent with the Fire and Gas Detection Zones. (1) Zone G – Unit 074 (Ethane Refrigerant Storage) (2) Zone G – Unit 074 (Propane Refrigerant Storage – A) (3) Zone G – Unit 074 (Propane Refrigerant Storage – B) Refer to Attachment – 31, for the demarcation layout of the Refrigerant Storage Area.
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8.2.3
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LNG Process Train – 1 The LNG Process Train – 1 is demarcated into eight (8) Fire and Gas Detection Zones. This zone demarcation is consistent with the Fire and Gas Detection Zones. (1) Zone B – Unit 021 (Acid Gas Removal) (2) Zone B – Unit 021 / 031 (Amine Circulation, Dehydration) (3) Zone B – Unit 031 (Dehydration and Mercury Removal) (4) Zone B – Unit 041 / 051 (Gas Fractionation and C3 Accumulator) (5) Zone C – Unit 051 (LP / MP MR Compressor) (6) Zone D – Unit 051 (Gas Liquefaction) (7) Zone E – Unit 051 (Refrigerant Circuit) (8) Zone F – Unit 051 (C3 Refrigerant and HP MR Compressor) Refer to Attachment – 32, for the demarcation layout of the LNG Process Train – 1.
8.2.4
LNG Process Train – 2 The LNG Process Train – 2 is demarcated into eight (8) Fire and Gas Detection Zones. This zone demarcation is consistent with the Fire and Gas Detection Zones. (1) Zone B – Unit 022 (Acid Gas Removal) (2) Zone B – Unit 022 / 032 (Amine Circulation, Dehydration) (3) Zone B – Unit 032 (Dehydration and Mercury Removal) (4) Zone B – Unit 042 / 052 (Gas Fractionation and C3 Accumulator) (5) Zone C – Unit 052 (LP / MP MR Compressor) (6) Zone D – Unit 052 (Gas Liquefaction) (7) Zone E – Unit 052 (Refrigerant Circuit) (8) Zone F – Unit 052 (C3 Refrigerant and HP MR Compressor) Refer to Attachment – 33, for the demarcation layout of the LNG Process Train – 2.
8.3
ESD Zone
An ESD zone defines an area where there are systems / process units to be isolated by ESD valves.
8.3.1
Onshore Receiving Facilities The ORF is isolated into one (1) ESD Zone. (1) Unit 016 / 011 (ORF and Condensate Stabilizer) Refer to Attachment – 34, for the demarcation layout of the LNG Process Train – 2.
8.3.2
Refrigerant Storage The Refrigerant Storage is isolated into one (1) ESD Zone. (1) Unit 074 (Refrigerant Storage) Refer to Attachment – 34, for the demarcation layout of the LNG Process Train – 2.
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8.3.3
Doc. No. 82-IOM-HS-1540 KJP Doc. No. S-082-1241-019 Rev. 6A Sheet No. 45 of 114
LNG Process Train – 1 The LNG Process Train – 1 is demarcated into three (3) ESD Zones. (1) Unit 021 / 031 (Acid Gas Removal, Dehydration and Mercury Removal) (2) Unit 041 (Liquid Fractionation) (3) Unit 051 (Gas Liquefaction and Refrigerant Circuits) Refer to Attachment – 35, for the demarcation layout of the LNG Process Train – 2.
8.3.4
LNG Process Train – 2 The LNG Process Train – 2 is demarcated into three (3) ESD Zones. (1) Unit 022 / 032 (Acid Gas Removal, Dehydration and Mercury Removal) (2) Unit 042 (Liquid Fractionation) (3) Unit 052 (Gas Liquefaction and Refrigerant Circuits) Refer to Attachment – 35, for the demarcation layout of the LNG Process Train – 2.
8.4
EDP Zone 2
An EDP Zone defines an area where equipment of operating pressure over 7.0 Kg/cm G located in the ESD Zone to be depressurized by EDP valves at a time upon completion of the ESD Zone isolation. 8.4.1
Onshore Receiving Facilities The ORF has one (1) EDP Zone in Zone A. (1) Zone A - Unit 016 EDP Refer to Attachment – 36, for the demarcation layout of the LNG Process Train – 2.
8.4.2
Refrigerant Storage The Refrigerant Refrigerant Storage has three (3) EDP Zone in Zone Zone G. (1) Zone G – Unit 074-C2 EDP
(2) Zone G – Unit 074-C3A EDP (3) Zone G – Unit 074-C3B EDP Refer to Attachment – 36, for the demarcation layout of the LNG Process Train – 2.
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Doc. No. 82-IOM-HS-1540 KJP Doc. No. S-082-1241-019 Rev. 6A Sheet No. 46 of 114
LNG Process Train – 1 The LNG Process Train – 1 is demarcated into (7) EDP Zones for Zone B, C, D, E and F. (1) Zone B – Unit 021 / 031 EDP (2) Zone B – Unit 041 EDP (3) Zone B – Unit 051 EDP (4) Zone C – Unit 051 EDP (5) Zone D – Unit 051 EDP (6) Zone E – Unit 051 EDP (7) Zone F – Unit 051 EDP Flare has a capacity to depressurize each EDP Zone B, C, D, E or F separately and it is possible to depressurize EDP Zones in Zone B simultaneously. Refer to Attachment – 37, for the demarcation layout of the LNG Process Train – 2.
8.4.4
LNG Process Train – 2 The LNG Process Train – 2 is demarcated into (7) EDP Zones for Zone B, C, D, E and F. (1) Zone B – Unit 022 / 032 EDP (2) Zone B – Unit 042 EDP (3) Zone B – Unit 052 EDP (4) Zone C – Unit 052 EDP (5) Zone D – Unit 052 EDP (6) Zone E – Unit 052 EDP (7) Zone F – Unit 052 EDP Flare has a capacity to depressurize each EDP Zone B, C, D, E or F separately and it is possible to depressurize EDP Zones in Zone B simultaneously. Refer to Attachment – 38, for the demarcation layout of the LNG Process Train – 2.
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Doc. No. 82-IOM-HS-1540 KJP Doc. No. S-082-1241-019 Rev. 6A Sheet No. 47 of 114
Fire Protection Management Philosophy
T he four (4) zone systems and their relationships are described in Attachment – 39 to Attachment - 41. The safety / emergency philosophy of the zoning guarantees a systematic activation of the ESD and EDP systems and / or related Fire protection system upon fire or gas leakage detection. Refer to Attachment – 42 for the summary of the Fire and Gas Detection, Fire, ESD and EDP action for the ORF and Refrigerant Storage Area. Refer to Attachment – 43 for the summary of the Fire and Gas Detection, Fire, ESD and EDP action for the LNG Process Train – 1. Refer to Attachment – 44 for the summary of the Fire and Gas Detection, Fire, ESD and EDP action for the LNG Process Train – 2. Audible alarms throughout the plant can be manually activated from the HDMS Operation Boards in the MCB (099-B-1001) and Fire and Emergency Station (082-B-1001) via the PA / GA system. The critical areas (LNG Process Train 1 and 2, ORF and Refrigerant Storage) of the zoning philosophy belong to one (1) audible alarm zone, GA – 1, thus, audible alarm devices for these areas shall be activated simultaneously. Refer to Section 7.7 for the alarm notification system.
8.5.1
ORF
8.5.1.1
Zone A – Unit 016 (Vorwata Gas Scrubber) When a fire of gas leakage is detected in the Fire and Gas Detection Zone, Zone A – Unit 016 (Vorwata Gas Scrubber), (1) To activate the ESD Zone, Unit 016 / 011, (2) To activate the EDP Zone, Zone A – Unit 016 EDP, (3) To operate the deluge valve, 082-UV-0264, in Fire Zone, Zone – A Unit 016 (Vorwata Gas Scrubber), to protect equipment in the zone by fire water stream / fog from oscillating monitors, monitors, (4) To operate PA / GA system as required
8.5.1.2
Zone A – Unit 016 (Vorwata Gas Cooler) When a fire or gas leakage is detected in the Fire and Gas Detection Zone, Zone A – Unit 016 (Vorwata Gas Cooler), (1) To activate the ESD Zone, Unit 016 / 011, (2) To activate the EDP Zone, Zone A – Unit 016 EDP, (3) To operate the deluge valve, 082-UV-0265 in Fire Zone, Zone A – Unit 016 (Vorwata Gas Cooler), to protect equipment in the zone by fire water stream / fog from oscillating monitors and water water nozzles, (4) To operate PA / GA system as required
8.5.1.3
Zone A – Unit 016 (Slug Catcher) When a fire or gas leakage is detected in the Fire and Gas Detection Zone, Zone A – Unit 016 (Slug Catcher), (1) To activate the ESD Zone, Unit 016 / 011, (2) To activate the EDP Zone, Zone A – Unit 016 EDP, (3) To operate the deluge valve, 082-UV-0267, in Fire Zone, Zone A – Unit 016 (Slug Catcher), to protect equipment in the zone by fire water stream / fog oscillating monitors. (4) To operate PA / GA system as required
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Zone A – Unit 011 (Condensate Stabilizer) When a fire or gas leakage is detected in the t he Fire and Gas Detection Zone, Zone A – Unit 011 (Condensate Stabilizer), (1) To activate the ESD Zone, Unit 016 / 011 (2) No Emergency Depressurization Depressurization in Fire and and Gas Detection Zone, Zone, Zone A – Unit 011 (Condensate (Condensate Stabilizer), (3) To operate the deluge valve, 082-UV-0266, in Fire Zone, Zone A – Unit 011 (Condensate Stabilizer), to protect equipment equipment in the zone by fire water zone zone by fire water stream / fog from oscillating monitors and water nozzles, (4) To operate PA / GA system as required
8.5.2
Refrigerant Storage
8.5.2.1
Zone G – Unit 074 (Ethane Refrigerant Storage) When a fire or gas leakage is detected in the Fire and Gas Detection Zone, Zone G – Unit 074 (Ethane Refrigerant Storage), (1) To activate the ESD Zone, Unit 074, (2) To activate the EDP Zone, Zone G – Unit 074-C3A EDP,
(3) Storage To operate thetodeluge valve, 082-UV-0262, in Fire Zone, Zone G – /Unit 074 (Propane Refrigerant – A), protect equipment in the zone by fire water stream fog from oscillating monitors, (4) To operate PA / GA system as required 8.5.2.2
Zone G – Unit 074 ( Propane Refrigerant Storage B) When a fire or gas leakage is detected in Fire and Gas Detection Zone, Zone G – Unit 074 (Propane Refrigerant Storage B) (1) To activate the ESD Zone, Unit 074, (2) To activate the EDP Zone, Zone G – Unit 074-C3B EDP, (3) To operate the deluge valve, 082-UV-0263, in Fire Zone, Zone G – Unit 074 (Propane Refrigerant Storage B), to protect equipment in the zone by fire water stream / fog from oscillating monitors. (4) To operate PA / GA system as required
8.5.3
LNG Process Train – 1
8.5.3.1
Zone B – Unit 021 (Acid Gas Removal) When a fire or gas leakage is detected in Fire and Gas Detection Zone, Zone B – Unit 021 (Acid Gas Removal), (1) To activate the ESD Zone, Unit 021 / 031, (2) To activate the EDP Zone, Zone B – Unit 021 / 031 EDP, (3) To operate the deluge valve, 082-UV-0515, in Fire Zone, Zone B – Unit 021 (Acid Gas Removal), to protect equipment in the zone zone by fire water stream stream / fog from oscillating monitors (4) To operate the PA / GA system as required
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Doc. No. 82-IOM-HS-1540 KJP Doc. No. S-082-1241-019 Rev. 6A Sheet No. 49 of 114
Zone B – Unit 021 / 031 (Amine Circulation and Dehydration) When a fire or gas leakage is detected in the Fire and Gas Detection Zone, Zone B – Unit 021 / 031 (Amine Circulation and Dehydration), (1) To activate the ESD Zone, Unit 021 / 031, (2) To activate the EDP Zone, Zone B – Unit 021 / 031 EDP,
(3) To the deluge valve,equipment 082-UV-0516, Fire by Zone, – Unit/ 021 / 031 oscillating (Amine Circulation andoperate Dehydration) to protect in theinzone fire Zone waterBstream s tream fog from monitors (4) To operate the PA / GA system as required 8.5.3.3
Zone B – Unit 031 (Dehydration and Mercury Removal) When a fire or gas leakage is detected in the Fire and Gas Detection Zone, Zone B – Unit 031 (Dehydration and Mercury Removal), (1) To activate the ESD Zone, Unit 021 / 031, (2) To activate the EDP Zone, Zone B – Unit 021 / 031 EDP, (3) To operate the deluge valve, 082-UV-0518, in Fire Zone, Zone B – Unit 031 (Dehydration and Mercury Removal) to protect equipment in the zone by fire water stream / fog from oscillating monitors (4) To operate the PA / GA system as required
8.5.3.4
Zone B – Unit 041 / 051 (Gas Fractionation and C3 Accumulator) When a fire or gas leakage is detected in the Fire and Gas Detection Zone, Zone B – Unit 041 / 051 (Gas Fractionation and C3 Accumulator), (1) To activate the ESD Zone, Unit 041 and Unit 051, (2) To activate the EDP Zone, Zone B – Unit 041 EDP and Zone B – Unit 051 EDP, (3) To operate the deluge valve, 082-UV-0517, in Fire Zone, Zone B – Unit 041 / 051 (Gas Fractionation and C3 Accumulator) to protect equipment in the zone by fire water stream / fog from oscillating monitors (4) To operate the PA / GA system as required When a gas leakage from the result of two-out-of-five (2oo5) gas detector in the fractionation area, the HDMS initiate the fractionation area shut down and depressuring automatically through 041-US-2200A and 041-US-2200B. Consequently the fractionation area is isolated and the bottom liquid from scrub column is switched to dry flare. The following are the combustible detectors involved in this system: (5) 082-AE-0501 (Point type) (6) 082-AE-0502 (Point type) (7) 082-AE-0503 (Point type) (8) 082-AE-0504 (Point type) (9) 082-AE-0547 (Line of sight)
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Zone C – Unit 051 (LP / MP MR Compressor) When a fire or gas leakage is detected in the Fire and Gas Detection Zone, Zone C – Unit 051 (LP / MP MR Compressor), (1) To activate the ESD Zone, Unit 051, (2) To activate the EDP Zone, Zone C – Unit 051 EDP,
(3) to Toprotect operateequipment the delugein valve, 082-UV-0521, in stream Fire Zone, – Unit 051monitors (LP / MP MR Compressor) the zone by fire water / fogZone fromCoscillating (4) To operate the PA / GA system as required 8.5.3.6
Zone D – Unit 041 / 051 (Gas Liquefaction) When a fire or gas leakage is detected in the Fire and Gas Detection Zone, Zone D – Unit 041 / 051 (Gas Liquefaction), (1) To activate the ESD Zone, Unit 051, (2) To activate the EDP Zone, Zone D – Unit 041 / 051 EDP, (3) To operate the deluge valve, 082-UV-0512, in Fire Zone, Zone D – Unit 041 / 051 (Gas Liquefaction) to protect equipment in the zone zone by fire water stream stream / fog from oscillating monitors (4) To operate the PA / GA system as required
8.5.3.7
Zone E – Unit 041 / 051 (Refrigerant Circuit) When a fire or gas leakage is detected in the Fire and Gas Detection Zone, Zone E – Unit 041 / 051 (Refrigerant Circuit), (1) To activate the ESD Zone, Unit 051, (2) To activate the EDP Zone, Zone D – Unit 041 / 051 EDP, (3) To operate the deluge valve, 082-UV-0513, 082-UV-0514, 082-UV-0519 in Fire Zone, Zone E – Unit 041 / 051 (Refrigerant Circuit) to protect equipment in the zone by fire water stream / fog from oscillating monitors (4) To operate the PA / GA system as required
8.5.3.8
Zone F – Unit 051 (C3 Refrigerant and HP MR Compressor) When a fire or gas leakage is detected in the Fire and Gas Detection Zone, Zone F – Unit 051 (C3 Refrigerant Circuit and HP MR Compressor), (1) To activate the ESD Zone, Unit 051, (2) To activate the EDP Zone, Zone F – Unit 051 EDP, (3) To operate the deluge valve, 082-UV-0520, in Fire Zone, Zone F – Unit 051 (C3 Refrigerant Circuit and HP MR Compressor) to protect equipment in the zone by fire water stream / fog from oscillating monitors (4) To operate the PA / GA system as required
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8.5.4
LNG Process Train – 2
8.5.4.1
Zone B – Unit 022 (Acid Gas Removal)
Doc. No. 82-IOM-HS-1540 KJP Doc. No. S-082-1241-019 Rev. 6A Sheet No. 51 of 114
When a fire or gas leakage is detected in Fire and Gas Detection Zone, Zone B – Unit 022 (Acid Gas Removal), (1) To activate the ESD Zone, Unit 022 / 032,
(2) To activate the EDP Zone, Zone B – Unit 022 / 032 EDP, (3) To operate the deluge valve, 082-UV-0565, in Fire Zone, Zone B – Unit 022 (Acid Gas Removal), to protect equipment in the zone zone by fire water stream stream / fog from oscillating monitors (4) To operate the PA / GA system as required 8.5.4.2
Zone B – Unit 022 / 032 (Amine Circulation and Dehydration) When a fire or gas leakage is detected in the Fire and Gas Detection Zone, Zone B – Unit 022 / 032 (Amine Circulation and Dehydration), (1) To activate the ESD Zone, Unit 022 / 032, (2) To activate the EDP Zone, Zone B – Unit 022 / 032 EDP, (3) To operate the deluge valve, 082-UV-0566, in Fire Zone, Zone B – Unit 021 / 031 (Amine Circulation and Dehydration) to protect equipment in the zone by fire water stream s tream / fog from oscillating monitors (4) To operate the PA / GA system as required
8.5.4.3
Zone B – Unit 032 (Dehydration and Mercury Removal) When a fire or gas leakage is detected in the Fire and Gas Detection Zone, Zone B – Unit 032 (Dehydration and Mercury Removal), (1) To activate the ESD Zone, Unit 022 / 032, (2) To activate the EDP Zone, Zone B – Unit 022 / 032 EDP, (3) To operate the deluge valve, 082-UV-0568, in Fire Zone, Zone B – Unit 032 (Dehydration and Mercury Removal) to protect equipment in the zone by fire water stream / fog from oscillating monitors (4) To operate the PA / GA system as required
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Zone B – Unit 042 / 052 (Gas Fractionation and C3 Accumulator) When a fire or gas leakage is detected in the Fire and Gas Detection Zone, Zone B – Unit 042 / 052 (Gas Fractionation and C3 Accumulator), (1) To activate the ESD Zone, Unit 042 and Unit 052, (2) To activate the EDP Zone, Zone B – Unit 042 EDP and Zone B – Unit 052 EDP,
(3) To the deluge to valve, 082-UV-0567, inthe Fire Zone, B – Unit 042/ fog / 052 (Gasoscillating Fractionation andoperate C3 Accumulator) protect equipment in zone by Zone fire water stream from monitors (4) To operate the PA / GA system as required When a gas leakage from the result of two-out-of-five (2oo5) gas detector in the fractionation area, the HDMS initiate the fractionation area shut down and depressuring automatically through 041-US-2200A and 041-US-2200B. Consequently the fractionation area is isolated and the bottom liquid from scrub column is switched to dry flare. The following are the combustible detectors involved in this system: (1) 082-AE-0551 (Point type) (2) 082-AE-0552 (Point type) (3) 082-AE-0553 (Point type) (4) 082-AE-0554 (Point type)
(5) 082-AE-0595 (Line of sight) 8.5.4.5
Zone C – Unit 052 (LP / MP MR Compressor) When a fire or gas leakage is detected in the Fire and Gas Detection Zone, Zone C – Unit 052 (LP / MP MR Compressor), (1) To activate the ESD Zone, Unit 052, (2) To activate the EDP Zone, Zone C – Unit 052 EDP, (3) To operate the deluge valve, 082-UV-0571, in Fire Zone, Zone C – Unit 052 (LP / MP MR Compressor) to protect equipment in the zone by fire water stream / fog from oscillating monitors (4) To operate the PA / GA system as required
8.5.4.6
Zone D – Unit 042 / 052 (Gas Liquefaction) When a fire or gas leakage is detected in the Fire and Gas Detection Zone, Zone D – Unit 042 / 052 (Gas Liquefaction), (1) To activate the ESD Zone, Unit 052, (2) To activate the EDP Zone, Zone D – Unit 042 / 052 EDP, (3) To operate the deluge valve, 082-UV-0562, in Fire Zone, Zone D – Unit 041 / 051 (Gas Liquefaction) to protect equipment in the zone zone by fire water stream stream / fog from oscillating monitors (4) To operate the PA / GA system as required
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Zone E – Unit 042 / 052 (Refrigerant Circuit) When a fire or gas leakage is detected in the Fire and Gas Detection Zone, Zone E – Unit 042 / 052 (Refrigerant Circuit), (1) To activate the ESD Zone, Unit 052, (2) To activate the EDP Zone, Zone D – Unit 042 / 052 EDP,
(3) To the deluge valve, 082-UV-0563, 082-UV-0564, 082-UV-0569 in Fire Zone, Zone E – Unit 042operate / 052 (Refrigerant Circuit) to protect equipment in the zone by fire water stream / fog from oscillating monitors (4) To operate the PA / GA system as required 8.5.4.8
Zone F – Unit 052 (C3 Refrigerant and HP MR Compressor) When a fire or gas leakage is detected in the Fire and Gas Detection Zone, Zone F – Unit 052 (C3 Refrigerant Circuit and HP MR Compressor), (1) To activate the ESD Zone, Unit 052, (2) To activate the EDP Zone, Zone F – Unit 052 EDP, (3) To operate the deluge valve, 082-UV-0570, in Fire Zone, Zone F – Unit 052 (C3 Refrigerant Circuit and HP MR Compressor) to protect equipment in the zone by fire water stream / fog from oscillating monitors (4) To operate the PA / GA system as required
9.
INSPECTION AND MAINTENANCE
Inspection and maintenance procedures described here are only guidance and basis and may be developed by operators for their own practical procedures.
9.1
Fire Water Pumps
9.1.1
An annual test of each pump assembly shall be conducted under minimum, rated and peak flows of the fire pump by controlling the quantity of water discharged discharged through test devices. The test shall be carried out out as per per manufacturer’ss instruction. manufacturer’
9.1.2
Weekly Test
9.1.2.1
A weekly test of diesel engine driven pump assemblies shall be conducted without water flow. This test shall be conducted by starting the the pump manually, and the pump shall run a minimum of 30 minutes.
9.1.2.2
Qualified operating personnel shall be in attendance during the weekly pump operation.
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9.2
Hydrant and Monitor Nozzles, Strainers, Hose Boxes and Live Hose Reels
9.2.1
Hydrants shall be tested annually to ensure proper functioning. Each hydrant shall be opened fully and water flowed until all foreign material has cleared. Flow shall be maintained for not less than one minute.
9.2.2
Monitor nozzles shall be tested anually. In addition, all monitor nozzles shall be oscillated and moved throughout their full range to ensure proper operability.
9.2.3
Strainers shall be cleaned annually and after each operation.
9.2.4
Hydrants shall be lubricated annually to ensure that all stems, caps, plugs and threads are in proper operating condition.
9.2.5
Monitor nozzles shall be lubricated annually to ensure proper operating condition.
9.2.6
Hose box shall be maintained annually in a condition to ensure all fire hose and required components are in usable condition.
9.2.7
Live hose reels shall be maintained annually in a condition to ensure that hoses and nozzle are in usable condition.
9.3
Fog, Water Spray, Water Curtain Nozzles and Pilot Sprinkler Heads
Fog, water spray and water curtain nozzles and pilot sprinkler heads shall be periodically checked and maintained to ensure that the nozzles are in i n place continue to be aimed or pointed in the direction intended in the system design, and are free from external loading and corrosion.
9.4
Foam Hose Connections
Foam hose connections shall be maintained to ensure that couplings are not damages, plugs and gaskets are in place and undamaged, undamaged, check valves are not leaking. Components that are are damaged shall be repaired repaired or replaced as necessary in accordance with the vendor’s instruction.
9.5
Deluge Valves
Viking deluge valves shall be maintained and checked according to Vendor’s recommendation.
9.6
System Piping
The system piping for the fixed fog nozzle and water spray (water deluge) system shall be inspected and maintained to ensure continuity of water delivery to the spray nozzle at full water flow and design pressure. The system piping and fitting shall be inspected for mechanical damage, external conditions (rust and corrosion), misalignment of branch piping and strainer clogging.
9.7
Foam Concentrate
3% Type AFFF and synthetic foam concentrate should be replaced with new one after several years based on the Vendor’s recommendation.
9.8
Dry Chemical
The dry chemical powder should be replace with new one after several years based on Vendor’s recommendation.
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9.9
Doc. No. 82-IOM-HS-1540 KJP Doc. No. S-082-1241-019 Rev. 6A Sheet No. 55 of 114
Foam Tanks
Maintenance should be carried out in accordance with manufacturer’s instruction.
9.10
Fire Fighting Vehicles and Portable Fire Fighting Equipment
Maintenance for the fire fighting vehicles and portable fire fighting equipment should be carried out in accordance with Manufacturer’s instructions. 9.11
Safety Apparatus
The protective boxes of the safety equipment shall be maintained annually to ensure that they are still in usable condition. Also, the equipment itself must be checked according to mechanical damage (i.e. missing components) so that the missing parts can be immediately replaced.
9.12
Wheeled and Portable Dry Powder Extinguisher
A scheduled inspection and maintenance program of all wheeled and portable fire extinguisher should be initiated and records maintained to ensure that all equipment is available in first class condition for any emergency.
9.13
Others
Maintenance work for the following fire protection systems shall be performed according to the Vendor’s Operation Manual. 9.13.1
Carbon dioxide total flooding system
9.13.2
Fixed dry chemical system
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Doc. No. 82-IOM-HS-1540 KJP Doc. No. S-082-1241-019 Rev. 6A Sheet No. 56 of 114
ATTACHMENT
Attachment – 1
Summary of Outdoor Fire Protection System Provisions for Each Area
Attachment – 2
Summary of Outdoor Hazard Detection and Monitoring System (HDMS) Provisions for Each Area
Attachment – 3
Summary of Utility Fire Water Pump Operation
Attachment – 4
Summary of Administration and Dormitory Fire Water Pump Operation
Attachment – 5
Sea Water Supply Pumps Discharge Header
Attachment – 6
Equipments to be Protected by Fixed Remote On / Off Oscillating Fire Water Monitor and Fixed Fog Nozzle System in the LNG Process Train – 1
Attachment – 7
Equipments to be Protected by Fixed Remote On / Off Oscillating Fire Water Monitor and Fixed Fog Nozzle System in the LNG Process Train – 2
Attachment – 8
Equipments to be Protected by Fixed Remote On / Off Oscillating Fire Water Monitor and Fixed Fog Nozzle System in the ORF, Refrigerant Storage and Flare Area
Attachment – 9
Fire Protection Systems with Pressure Switch Activation / Notification
Attachment – 10
Typical Arrangement of Semi Fixed Low Expansion Foam System for the Condensate Storage Area
Attachment – 11
Fire Station Standard and Miscellaneous Equipment
Attachment – 12
Summary of Fire Protection Systems for Buildings
Attachment – 13
Substation with Air Intake Shutdown Activated by Outdoor Detectors
Attachment – 14
Alarm Function and Coverage Zone for HDMS Operation
Attachment – 15
PAGA and GA Zoning (1 of 2)
Attachment – 16
PAGA and GA Zoning (2 of 2)
Attachment – 17
Combustible Gas and H2S Gas Visual Alarm Zones for Utility Area
Attachment – 18
Combustible Gas Visual Alarm Zones for LNG Storage Area
Attachment – 19
Combustible and H2S Gas Visual Alarm Zones for the ORF and Refrigerant Storage Area
Attachment – 20
Combustible Gas Visual Alarm Zones for the BOG Compressor Area
Attachment – 21 Attachment – 22
H2S Gas Visual Alarm Zones for the Flare Area Combustible Gas Visual Alarm Zones for the LNG Loading Deck
Attachment – 23
Combustible Gas Visual Alarm Zones for the Combo Dock
Attachment – 24
Combustible Gas Visual Alarm Zones for the LNG Process Train – 1
Attachment – 25
Combustible Gas and H2S Gas Visual Alarm Zones for Building Area
Attachment – 26
Combustible Gas and H2S Gas Visual Alarm Zones for LNG Process Train – 2
Attachment – 27
Substations with Air Air Intake Intake Shutdown Activated by Outdoor Outdoor Detectors in the ORF and Refrigerant Storage Area
Attachment – 28
Substations with Air Intake Shutdown Activated by Outdoor Detectors in the LNG Process Train – 1
Attachment – 29
Substations with Air Intake Shutdown Activated by Outdoor Detectors in the LNG Process Train – 2
Attachment – 30
Substations with Air Intake Shutdown Activated by Outdoor Detectors in the Utility Area
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BP Berau Ltd. Tangguh LNG Project
Operation Manual for Fire Protection System
Doc. No. 82-IOM-HS-1540 KJP Doc. No. S-082-1241-019 Rev. 6A Sheet No. 57 of 114
Attachment – 31
Fire & Gas Gas and and F Fire ire Detection Zone for the ORF and Refrigerant Storage Area
Attachment – 32
Fire & Gas Gas and and F Fire ire Detection Zone for the LNG Process Train – 1
Attachment – 33
Fire & Gas Gas and and F Fire ire Detection Zone for the LNG Process Train – 2
Attachment – 34
ESD Zone for the ORF and Refrigerant Storage Area
Attachment – 35
ESD Zone for the LNG Process Train – 1 and 2
Attachment – 36
EDP Zone for the ORF and Refrigerant Storage Area
Attachment – 37
EDP Zone for the LNG Process Train – 1
Attachment – 38
EDP Zone for the LNG Process Train – 2
Attachment – 39
Relationship of Fire & Gas, Gas, Fire, Fire, ESD and EDO Zone in the ORF and Refrigerant Storage Area
Attachment – 40
Relationship o off Fire & Gas, Fire, ESD and and EDO EDO Zone in the LNG Process Train – 1
Attachment – 41
Relationship o off Fire & Gas, Fire, ESD and and EDO EDO Zone in the LNG Process Train – 2
Attachment – 42
Summary of ESD, ESD, EDP, EDP, Fire and Fire and Gas Detection Detection Action for for Onshore Onshore Receiving Facilities and Refrigerant Storage Area
Attachment – 43
Summary of ESD, EDP, Fire and Fire and Gas Detection Action for LNG Process Train – 1
Attachment – 44
Summary of ESD, LNG Process TrainEDP, – 2 Fire and Fire and Gas Detection Action for
Attachment – 45
ORF Zone A – Unit 016 (Vorwata Gas Srubber) Oscillating Monitor Arrangement
Attachment – 46
ORF Zone A – Unit 016 (Vorwata Gas Cooler) Oscillating Monitor Arrangement
Attachment – 47
ORF Zone A – Unit 016 (Slug Catcher) Oscillating Monitor Arrangement
Attachment – 48
ORF Zone A – Unit 011 (Condensate Stabilizer) Oscillating Monitor Arrangement
Attachment – 49
Refrigerant Storage Zone G – Unit 074 (Ethane Refrigerant Storage) Oscillating Monitor Arrangement
Attachment – 50
Refrigerant Storage Zone G – Unit 074 (Propane Refrigerant Storage A) Oscillating Monitor Arrangement
Attachment – 51
Refrigerant Storage Zone G – Unit 074 (Propane Refrigerant Storage B) Oscillating Monitor Arrangement
Attachment – 52
LNG Process Train (Typical for Train 1 & 2) Zone Zone B – Unit 041/042 041/042 / 051/052 051/052 (Gas Liquefaction) Oscillating Monitor Arrangement
Attachment – 53
LNG Process Train (Typical for Train 1 & 2) Zone Zone E – Unit 041/042 041/042 / 051/052 (Refrigerant Circuit) Oscillating Monitor Arrangement
Attachment – 54
LNG Process Train (Typical (Typical for for Train Train 1 & 2) Zone B – Unit 021 021 / 022 (Acid (Acid Ga Gass Removal) Oscillating Monitor Arrangement
Attachment – 55
LNG Process Train (Typical for Train 1 & 2) Zone Zone B – Unit 021/022 021/022 / 031/032 031/032 (Amine Circulation & Dehydration) Oscillating Monitor Arrangement
Attachment – 56
LNG Process Train (Typical for Train 1 & 2) Zone B – Unit 031/032 (Dehydration & Mercury Removal) Oscillating Monitor Arrangement
Attachment – 57
LNG Process Train (Typical for Train 1 & 2) Zone Zone B – Unit 041/042 041/042 / 051/052 051/052 (Gas Fractionation & C3 Accumulator) Oscillating Monitor Arrangement
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