1 - AS 3689.1-1989 AUTOMATIC FIRE EXTINGUISHING SYSTEMS USING HALOGENATED HYDROCARBONS - HALON 1301 TOTAL FLOODING SYSTEMS
4 - PREFACE
5 - CONTENTS
7 - FOREWORD
8 - SECTION 1. SCOPE AND GENERAL
8 - 1.1 SCOPE.
8 - 1.2 APPLICATION.
8 - 1.3 REFERENCED DOCUMENTS.
8 - 1.4 DEFINITIONS.
8 - 1.4.1 Approved and approval
8 - 1.4.2 Regulatory Authority
8 - 1.4.3 Container discharge valve
8 - 1.4.4 Control device
8 - 1.4.5 Design concentration
8 - 1.4.6 Fire extinguishing concentration
8 - 1.4.7 Holding time
8 - 1.4.8 Inerting
8 - 1.4.9 Normally occupied area
8 - 1.4.10 Normally unoccupied area
8 - 1.4.11 Nominal size (DN)
8 - 1.4.12 Operating device
8 - 1.4.13 Pipe
8 - 1.4.14 Release
8 - 1.4.15 Supervision
8 - 1.4.16 Total flooding system
8 - 1.4.17 Integrity
8 - 1.5 USES FOR AND LIMITATIONS OF HALON 1301 SYSTEMS.
8 - 1.5.1 Uses for Halon 1301 systems.
9 - 1.5.2 Limitations of halon 1301 systems.
9 - 1.5.3 Protection of multiple enclosures.
10 - SECTION 2. GENERAL REQUIREMENTS
10 - 2.1 SAFETY OF PERSONNEL.
10 - 2.1.1 Protection of occupants.
10 - 2.1.2 Halon concentrations.
10 - 2.1.3 Electrostatic discharge.
10 - 2.2 ELECTRICAL CLEARANCES.
10 - 2.3 SPECIFICATIONS, PLANS, AND APPROVALS.
10 - 2.3.1 Specifications.
10 - 2.3.2 Plans.
10 - 2.3.3 Approval of plans.
10 - 2.4 APPROVAL OF INSTALLATIONS.
10 - 2.5 APPROVAL OF COMPONENTS.
11 - SECTION 3. CONCENTRATION REQUIREMENTS
11 - 3.1 GENERAL.
11 - 3.2 APPLICATION RATE.
11 - 3.2.1 Design application rate.
11 - 3.2.2 Duration of halon 1301 discharge.
11 - 3.2.3 Extended application rate.
11 - 3.3 CONCENTRATION, DISTRIBUTION, AND HOLDING.
11 - 3.4 FLAMMABLE LIQUIDS AND GASES.
11 - 3.4.1 Concentration.
11 - 3.4.2 Requirements for flame extinguishment.
11 - 3.4.3 Inerting.
12 - 3.5 COMBUSTIBLE SOLIDS.
12 - 3.5.1 Concentration.
12 - 3.5.2 Deep-seated fires.
13 - SECTION 4. PROTECTED ENCLOSURE REQUIREMENTS
13 - 4.1 UNCLOSABLE OPENINGS.
13 - 4.2 VENTILATION AND SERVICES.
13 - 4.3 PRESSURE RELIEF VENTING.
14 - SECTION 5. QUANTITY REQUIREMENTS
14 - 5.1 GENERAL.
14 - 5.2 SPECIAL CONDITIONS.
14 - 5.3 TOTAL FLOODING QUANTITY.
16 - SECTION 6. HALON 1301 SUPPLY
16 - 6.1 QUALITY.
16 - 6.2 STORAGE CONTAINERS.
16 - 6.3 VALVES.
16 - 6.4 ISOLATING VALVES OTHER THAN CONTAINER OR DIRECTIONAL VALVES.
16 - 6.5 PROTECTION FOR CONTAINER DISCHARGE VALVES IN TRANSIT.
16 - 6.6 STORAGE CONTAINER ARRANGEMENT.
17 - SECTION 7. DISTRIBUTION SYSTEM
17 - 7.1 GENERAL.
17 - 7.2 STEEL PIPE.
17 - 7.3 COPPER PIPE.
17 - 7.4 PIPING JOINTS.
17 - 7.4.1 Jointing of ferrous pipes.
17 - 7.4.2 Jointing of copper pipe.
17 - 7.4.3 Mechanical pipe joints.
17 - 7.5 INSTALLATION OF PIPEWORK.
18 - 7.6 FOREIGN MATTER.
18 - 7.7 SAFETY DEVICES.
18 - 7.7.1 Pressure-relief device.
18 - 7.7.2 Automatic venting.
18 - 7.7.3 Safety of personnel.
18 - 7.7.4 Flow rates.
18 - 7.8 PIPE AND NOZZLE SIZING.
18 - 7.9 NOZZLES.
18 - 7.9.1 Nozzle choice and location.
19 - 7.9.2 Nozzles in ceiling tiles.
20 - SECTION 8. CONTROL SYSTEMS
20 - 8.1 GENERAL.
20 - 8.2 OPERATING DEVICES.
20 - 8.3 CONTROL AND INDICATING EQUIPMENT.
20 - 8.4 LOCAL HALON CONTROL STATION.
20 - 8.5 AUDIBLE AND VISIBLE INDICATIONS.
21 - 8.6 MANUAL MECHANICAL RELEASE.
21 - 8.7 TIME DELAY FUNCTION.
22 - SECTION 9. MARKING
22 - 9.1 CONTROL AND INDICATING EQUIPMENT (CIE).
22 - 9.2 WARNING AND INSTRUCTION SIGNS.
22 - 9.3 NUMBER OF CONTAINERS, MASS, AND LOCATION OF MARKING.
22 - 9.4 IDENTIFICATION OF HALON 1301 CONTAINERS.
22 - 9.5 LABELLING OF INDICATORS AND CONTROLS.
22 - 9.6 IDENTIFICATION OF DISCHARGE NOZZLES.
25 - SECTION 10. COMMISSIONING AND ACCEPTANCE TESTING
25 - 10.1 CRITERIA FOR ACCEPTANCE.
25 - 10.2 FAILURE.
26 - APPENDIX A - SAFETY OF PERSONNEL
26 - A1 SCOPE.
26 - A2 EFFECTS ON HUMANS.
26 - A3 SAFETY PRECAUTIONS.
27 - A4 POTENTIALLY HAZARDOUS DECOMPOSITION PRODUCTS.
27 - A5 OTHER POTENTIAL HAZARDS.
28 - APPENDIX B - GENERAL INFORMATION AND SPECIAL CONDITIONS
28 - B1 GENERAL INFORMATION ON TOTAL FLOODING SYSTEMS.
28 - B2 SURFACE FIRES.
28 - B2.1 Extinguishment data.
28 - B2.2 Flame extinguishment data.
28 - B2.3 Inerting data.
30 - B3 FIRES IN SOLID MATERIALS.
31 - B4 TOTAL FLOODING QUANTITY.
31 - B4.1 Loss of halon 1301.
31 - B4.2 Leakage of halon 1301 through enclosure openings.
31 - B4.3 Effects of altitude.
32 - B4.4 Rate of application.
32 - B5 EFFECTS OF VENTILATION.
32 - B6 EXAMPLES OF HALON 1301 QUANTITY CALCULATIONS WHERE THERE IS NATURAL VENTILATION.
32 - B6.1 Symbols.
32 - B6.2 Extended agent discharge.
32 - B6.3 Enclosure with mechanical mixing.
33 - B6.4 Descending interface.
33 - B7 EXAMPLES OF HALON 1301 QUANTITY CALCULATION WHERE THERE IS FORCED VENTILATION.
33 - B7.1 Symbols.
42 - APPENDIX C - FLOW CALCULATIONS
42 - C1 BASIS OF METHOD OF CALCULATION.
42 - C2 DEFINITION OF BALANCED PIPING SYSTEM.
42 - C3 METHOD OF CALCULATION FOR UNBALANCED PIPING SYSTEM.
42 - C4 METHOD OF CALCULATION FOR BALANCED PIPING SYSTEM.
42 - C5 EFFECT OF TWO-PHASE FLOW.
42 - C6 CHANGES IN ELEVATION.
43 - C7 PERCENT HALON 1301 IN PIPELINE.
43 - C8 SIMPLIFIED FLOWCHARTS.
43 - C9 TWO-PHASE FLOW EQUATION.
51 - C10 ORIFICE SIZE.
51 - C11 SPLITTING OF FLOWS.
51 - C11.1 Flows to remain mixed.
51 - C11.2 Splitting of flows in unbalanced systems.
54 - C12 SAMPLE CALCULATION - BALANCED SYSTEM USING PRESSURE DROP CHARTS.
56 - C13 SAMPLE CALCULATION - BALANCED SYSTEM USING 2-PHASE METHOD.
57 - C14 SAMPLE CALCULATION FOR AN UNBALANCED SYSTEM.
67 - APPENDIX D - COMMISSIONING CHECK LIST
69 - APPENDIX F - NOTICE OF COMPLETION
69 - PART 1: TO BE COMPLETED BY INSTALLER PRIOR TO COMMISSIONING TEST
69 - PART 2: TO BE COMPLETED AFTER TESTING
70 - APPENDIX G - TEST PROCEDURE FOR DETERMINING FIRE EXTINGUISHING CONCENTRATIONS FOR FLAMMABLE LIQUIDS AND GASES
70 - G1 SCOPE.
70 - G2 PRINCIPLE.
70 - G3 APPARATUS.
70 - G4 TEST PROCEDURE FOR FLAMMABLE LIQUIDS.
70 - G5 TEST PROCEDURE FOR FLAMMABLE GASES.
71 - G6 MINIMUM CONCENTRATION CALCULATION.
71 - G7 REPORTING OR RESULTS.
72 - APPENDIX H - TEST PROCEDURE FOR DETERMINING INERTING CONCENTRATIONS FOR FLAMMABLE LIQUIDS AND GASES
72 - H1 SCOPE.
72 - H2 PRINCIPLE.
72 - H3 APPARATUS.
72 - H4 TEST PROCEDURE.
72 - H5 REPORTING.
75 - APPENDIX I - LIFT OF REFERENCED DOCUMENTS
76 - APPENDIX J - REFERENCES