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The use of mechanical ventilation and air-conditioning in buildings - Fire and smoke control

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24-06-2021

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English

Published date

01-01-1991

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Standards Australia

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1 - AS 1668.1-1991 THE USE OF MECHANICAL VENTILATION AND AIR-CONDITIONING IN BUILDINGS - FIRE AND SMOKE CONTROL
4 - PREFACE
5 - CONTENTS
7 - SECTION 1 GENERAL
7 - 1.1 SCOPE
7 - 1.2 REFERENCED DOCUMENTS
7 - 1.3 DEFINITIONS
7 - 1.3.1 Shall
7 - 1.3.2 May
7 - 1.3.3 Air
8 - 1.3.4 Air-handling plant
8 - 1.3.5 Air-handling system
8 - 1.3.6 Air-pressurization system
8 - 1.3.7 Approved and approval
8 - 1.3.8 Central air-handl ing system
8 - 1.3.9 Combustible
8 - 1.3.10 Compartment
8 - 1.3.11 Downstream
8 - 1.3.12 Duct
8 - 1.3.13 Economy cycle
8 - 1.3.14 Fail-safe
8 - 1.3.15 Fire alarm
8 - 1.3.16 Fire damper
8 - 1.3.17 Fire-isolated
8 - 1.3.18 Fire-isolated escape route
8 - 1.3.19 Fire resistance level (FRL)
8 - 1.3.20 Fire-resisting
8 - 1.3.21 Flexible connection
8 - 1.3.22 Incinerette
8 - 1.3.23 Individual air-handling system
8 - 1.3.24 Kitchen exhaust hood
8 - 1.3.25 Masonry
8 - 1.3.26 Plenum
8 - 1.3.27 Purging smoke control
8 - 1.3.28 Regulatory authority
9 - 1.3.29 Required
9 - 1.3.30 Shaft
9 - 1.3.31 Smoke spill
9 - 1.3.32 Smoke-spill system
9 - 1.3.33 Subduct
9 - 1.3.34 Toilet exhaust system
9 - 1.3.35 Upstream
9 - 1.3.36 Zone smoke control
10 - SECTION 2 GENERAL REQUIREMENTS
10 - 2.1 SCOPE AND APPLICATION
10 - 2.2 DUCTWORK
10 - 2.2.1 Early fire-hazard properties
10 - 2.2.2 Combustibility and temperature of fusion
10 - 2.2.3 Fire resistance
10 - 2.2.4 Duct installation, general
10 - 2.2.5 Unencased insulation of ducts
10 - 2.3 PLENUMS
10 - 2.4 FLEXIBLE CONNECTIONS
10 - 2.5 FIRE DAMPERS
10 - 2.6 SPACING FROM FIRE DAMPERS
10 - 2.7 AIR-HANDLING PLANT CASINGS
10 - 2.8 AIR FILTERS
10 - 2.8.1 Location of air filters in relation to openings
11 - 2.8.2 Liquid adhesive coatings
11 - 2.8.3 Screens for filters
11 - 2.9 ELECTRIC HEATERS
11 - 2.9.1 General
11 - 2.9.2 Integrity
11 - 2.9.3 Surface temperature
11 - 2.9.4 Thermal insulation
11 - 2.9.5 Interlocking of power supply
11 - 2.9.6 High-temperature-limiting thermostat
11 - 2.9.7 Air-supply-failure sensor
11 - 2.10 ELECTRICAL INSTALLATION
11 - 2.11 AIR-HANDLING SYSTEMS SHUTDOWN
11 - 2.11.1 General
11 - 2.11.2 Small/special purpose systems
11 - 2.11.3 Central air-handling systems
12 - SECTION 3 OPENINGS IN FIRE-RESISTING CONSTRUCTION
12 - 3.1 APPLICATION
12 - 3.2 GENERAL
12 - 3.2.1 Performance requirements
12 - 3.2.2 Packing
12 - 3.3 OPENINGS IN WALLS
12 - 3.4 OPENINGS IN FLOORS
12 - 3.4.1 Shafts
12 - 3.4.2 Fire dampers
12 - 3.5 FIRE-RESISTANT FLOOR/CEILING AND ROOF/CEILING STRUCTURES
12 - 3.5.1 Openings in suspended ceilings
12 - 3.5.2 Variations from prototype
13 - SECTION 4 SMOKE CONTROL
13 - 4.1 GENERAL
13 - 4.2 SCOPE
13 - 4.3 APPLICATION
13 - 4.4 OBJECTIVES
13 - 4.5 EXTERNAL OPENINGS FOR AIR INTAKE AND SMOKE SPILL
13 - 4.5.1 Location of openings for air intake and outlets
13 - 4.5.2 Discharge at various levels
13 - 4.6 DIRECTION OF SPILL AIR FLOW UNDER SMOKE-CONTROL CONDITIONS
13 - 4.7 LOCATION OF SMOKE-SPILL AIR INLETS
13 - 4.8 HEAT EXCHANGE EQUIPMENT
13 - 4.9 AIR-CONTROL DAMPERS
13 - 4.9.1 General
13 - 4.9.2 High-temperature operation
13 - 4.10 NOISE
13 - 4.11 FIRE-ISOLATED EXITS
13 - 4.12 FIRE DOORS–PRESSURE DIFFERENTIALS
13 - 4.13 SMOKE-SPILL FAN
14 - 4.14 DUCTWORK IN SMOKE-SPILL SYSTEMS
14 - 4.15 AUTOMATIC SMOKE DETECTORS
14 - 4.15.1 Type
14 - 4.15.2 Location
14 - 4.15.3 Monitoring equipment
14 - 4.15.4 Monitoring period
14 - 4.15.5 Alarm zones
14 - 4.15.6 Supply air smoke detector
14 - 4.15.7 Installation
14 - 4.16 ELECTRICAL INSTALLATION
14 - 4.16.1 Equipment
14 - 4.16.2 Wiring
15 - 4.16.3 Isolation switches
15 - 4.17 CONTROL AND INDICATION
15 - 4.17.1 Fire fans control panel (FFCP)
15 - 4.17.2 Controls
15 - 4.17.3 Indicators
15 - 4.17.4 Notices and labels
15 - 4.18 OPERATING INSTRUCTIONS
15 - 4.18.1 Instructions
15 - 4.18.2 Diagram
15 - 4.19 TESTING
15 - 4.19.1 General
15 - 4.19.2 Objective
15 - 4.19.3 Component testing
16 - 4.19.4 Measurement
16 - 4.20 NOISE
16 - 4.21 TEST SCHEDULE
16 - 4.22 TEST RESULTS
17 - SECTION 5 CENTRAL AIR-HANDLING SYSTEMS
17 - 5.1 APPLICATION
17 - 5.2 GENERAL
17 - 5.3 FIRE ISOLATION
17 - 5.3.1 Smoke-spill system
17 - 5.3.2 Ducts within other compartments
17 - 5.3.3 Smoke-spill shafts
17 - 5.3.4 Entry of air into the smoke-spill system
17 - 5.4 FIRE DAMPERS
17 - 5.5 SUBDUCTS
17 - 5.5.1 Manufacture
17 - 5.5.2 Outlet projection
17 - 5.5.3 Installation
18 - 5.6 ALTERNATIVE DESIGN
18 - 5.7 PURGING ARRANGEMENT
18 - 5.7.1 General
18 - 5.7.2 Smoke-spill fan
18 - 5.7.3 Return air fan
18 - 5.7.4 Supply air fan
18 - 5.7.5 Air-control damper
18 - 5.7.6 Fire damper
18 - 5.7.7 Operation under fire conditions
19 - 5.8 ZONE SMOKE CONTROL
19 - 5.8.1 General
19 - 5.8.2 Performance criteria
19 - 5.8.3 Basic requirements
19 - 5.8.4 Smoke-spill fan
19 - 5.8.5 Supply air fan
19 - 5.8.6 Air-control dampers
19 - 5.8.7 Air relief and make-up
19 - 5.8.8 Operation under fire conditions
21 - SECTION 6 INDIVIDUAL AIR-HANDLING PLANTS-ZONE SMOKE CONTROL SYSTEM
21 - 6.1 APPLICATION
21 - 6.2 GENERAL
21 - 6.3 ALTERNATIVE DESIGN
21 - 6.4 PERFORMANCE CRITERIA
21 - 6.5 COMPONENTS WITHIN OTHER COMPARTMENTS
21 - 6.6 SMOKE-SPILL FANS
21 - 6.7 RETURN AIR SPILL AIR FANS
21 - 6.8 SPILL AIR RELIEF
21 - 6.9 SUPPLY AIR FAN
21 - 6.10 AIR-CONTROL DAMPERS
21 - 6.11 AIR RELIEF AND MAKE-UP
21 - 6.12 OPERATION IN THE EVENT OF FIRE
21 - 6.13 INDIVIDUAL AIR-HANDLING PLANTS INCORPORATING COMMON OUTDOOR AIR AND COMMON SPILL AIR SHAFTS
21 - 6.13.1 General
22 - 6.13.2 Smoke-spill fan
22 - 6.13.3 Supply air fan
22 - 6.13.4 Fire isolation
22 - 6.13.5 Fire dampers
22 - 6.13.6 Subducts
23 - SECTION 7 MISCELLANEOUS AIR-HANDLING SYSTEMS
23 - 7.1 APPLICATION
23 - 7.2 OBJECTIVES
23 - 7.3 GENERAL
23 - 7.4 EXHAUST SYSTEMS
23 - 7.4.1 Minor exhaust systems
23 - 7.4.2 Major exhaust systems
23 - 7.5 KITCHEN HOOD EXHAUST SYSTEMS
23 - 7.5.1 General
23 - 7.5.2 Common exhaust
23 - 7.5.3 Ductwork
23 - 7.5.4 Plant isolation
23 - 7.5.5 Fire dampers
24 - 7.5.6 Operation under fire conditions
24 - 7.6 CAR PARK VENTILATION SYSTEMS
24 - 7.6.1 General
24 - 7.6.2 Fire isolation
24 - 7.6.3 Control
24 - 7.6.4 Smoke detectors
24 - 7.6.5 Operation
24 - 7.7 SUPPLY AIR SYSTEMS
24 - 7.7.1 Minor supply air systems
24 - 7.7.2 Major supply air systems
25 - SECTION 8 AIR PRESSURIZATION SYSTEMS FOR FIRE-ISOLATED EXITS
25 - 8.1 GENERAL
25 - 8.2 SCOPE
25 - 8.3 OBJECTIVE
25 - 8.4 DEEMED-TO-COMPLY SYSTEM
25 - 8.4.1 General
25 - 8.4.2 Performance criteria
26 - 8.4.3 Air pressurization fans
26 - 8.4.4 Pressure relief
26 - 8.4.5 Automatic smoke detectors
26 - 8.4.6 Electrical installation
26 - 8.4.7 Control and indication
26 - 8.4.8 Operation under fire conditions
26 - 8.4.9 Testing
26 - 8.5 ALTERNATIVE DESIGN
27 - APPENDIX A - STAIR PRESSURIZATION COMMISSIONING TESTS
27 - A1 GENERAL
27 - A2 PROCEDURES
27 - A3 PURGE SYSTEMS
27 - A4 ZONE SYSTEMS
27 - A5 RESTORATION TIME PERFORMANCE
28 - A6 NOISE LEVEL MEASUREMENTS
28 - A7 MEASUREMENT OF DOOR OPENING FORCE
28 - A8 MEASUREMENT OF AIR VELOCITY THROUGH A DOORWAY
28 - A8.1 Time average method
28 - A8.2 Instantaneous readout average method
30 - APPENDIX B - COMMENTARY TO SECTIONS 3 TO 8
30 - SECTION 3 OPENINGS IN FIRE-RESISTING CONSTRUCTION
31 - SECTION 4 SMOKE CONTROL
31 - C4.2 SCOPE
31 - C4.3 APPLICATION
31 - C4.4 OBJECTIVES
31 - C4.5 EXTERNAL OPENINGS FOR AIR INTAKE AND SMOKE SPILL
31 - C4.5.1 Location of openings for air intake and outlets
31 - C4.5.2 Discharge at various levels
32 - C4.6 DIRECTION OF SPILL AIR FLOW UNDER SMOKE CONTROL CONDITIONS
32 - C4.7 LOCATION OF SMOKE-SPILL AIR INLETS
32 - C4.9 AIR-CONTROL DAMPERS
32 - C4.10 NOISE
32 - C4.11 FIRE-ISOLATED EXITS
32 - C4.12 FIRE DOORS–PRESSURE DIFFERENTIALS
32 - C4.13 SMOKE-SPILL FAN
33 - C4.15 AUTOMATIC SMOKE DETECTORS
33 - C4.15.1 Type
33 - C4.15.2 Location
33 - C4.15.4 Monitoring period
33 - C4.15.5 Alarm zones
33 - C4.15.6 Supply air smoke detector
33 - C4.16 ELECTRICAL INSTALLATION
33 - C4.16.1 Equipment
33 - C4.16.2 Wiring
33 - C4.17 CONTROL AND INDICATION
33 - C4.18 OPERATING INSTRUCTIONS
34 - C4.19 TESTING
34 - C4.19.1 General
35 - SECTION 5 CENTRAL AIR-HANDLING SYSTEMS
35 - C5.3 FIRE ISOLATION
35 - C5.3.1 Smoke-spill system
35 - C5.3.2 Ducts within other compartments
35 - C5.3.3 Smoke-spill shafts
35 - C5.3.4 Entry of air into the smoke-spill system
35 - C5.4 FIRE DAMPERS
35 - C5.5 SUBDUCTS
35 - C5.7 PURGING ARRANGEMENT
36 - C5.7.2 Smoke-spill fans
36 - C5.7.4 Supply air fan
36 - C5.7.5 Air-control damper
36 - C5.7.7 Operation under fire conditions
36 - C5.8 ZONE SMOKE CONTROL
36 - C5.8.2 Performance criteria
37 - C5.8.4 Smoke-spill fan
37 - C5.8.7 Air relief and make-up
37 - C5.8.8 Operation under fire condi tions
38 - SECTION 6 INDIVIDUAL AIR-HANDLING PLANTS-ZONE SMOKE CONTROL SYSTEMS
38 - C6.4 PERFORMANCE CRITERIA
38 - C6.5 COMPONENTS WITHIN OTHER COMPARTMENTS
38 - C6.6 SMOKE-SPILL FANS
38 - C6.8 SPILL AIR RELIEF
38 - C6.9 SUPPLY AIR FAN
38 - C6.10 AIR-CONTROL DAMPER
38 - C6.11 AIR RELIEF AND MAKE-UP
38 - C6.12 OPERATION IN THE EVENT OF FIRE
38 - C6.13 INDIVIDUAL AIR-HANDLING PLANTS INCORPORATING COMMON OUTDOOR AIR AND COMMON SPILL AIR SHAFTS
40 - SECTION 7 MISCELLANEOUS AIR-HANDLING SYSTEMS
40 - C7.4 EXHAUST SYSTEMS
40 - C7.5 KITCHEN HOOD EXHAUST SYSTEMS
40 - C7.6 CAR PARK VENTILATION SYSTEMS
40 - C7.7 SUPPLY AIR SYSTEMS
41 - SECTION 8 AIR PRESSURIZATION SYSTEMS FOR FIRE-ISOLATED EXITS

Sets out the requirements for those aspects of design, construction, installation and operation of air-handling systems with a view to minimizing the spread of smoke and fire through buildings by way of the air-handling systems.

Committee	ME-062
DocumentType	Standard
ISBN	0 7262 6979 4
Pages	53
ProductNote	See also AS/NZS 1668.1:1998
PublisherName	Standards Australia
Status	Superseded
SupersededBy	AS/NZS 1668.1:1998
Supersedes	AS 1668.1-1979 MP 47.C1-1980 AS 1668.1-1979 AMDT 1 DR 85318

This Section sets out the documents referred to in this Standard, and the definitions that shall apply to this document.

First published in part as AS 1668.1-1974.
Second edition 1979.
MP 47.C1 first published 1980.
AS 1668.1-1979 and MP 47.C1-1980 revised and amalgamated as AS 1668.1-1991.

AS 1682.1-1990	Fire dampers Specification
AS 1682.2-1990	Fire Dampers Installation
AS 2484.1-1990	Fire - Glossary of terms Fire tests (Reconfirmed 2016)
AS 2106-1980	Methods for the determination of the flashpoint of flammable liquids (closed cup)
AS 1530.1-1994	Methods for fire tests on building materials, components and structures Combustibility test for materials (Reconfirmed 2016)
AS 1670-1986	Automatic fire detection and alarm systems - System design, installation, and commissioning
AS 1530.3-1989	Methods for fire tests on building materials, components and structures Simultaneous determination of ignitability, flame propagation, heat release and smoke release
AS 3000-1986	Electrical installations - Buildings, structures and premises (known as the SAA Wiring Rules)
AS 3013-1990	Electrical installations - Wiring systems for specific applications
AS 1603.4-1987	Automatic fire detection and alarm systems Control and indicating equipment
AS 1530.4-1990	Methods for fire tests on building materials, components and structures Fire-resistance tests of elements of building construction
AS 1668.2-1991	The use of mechanical ventilation and air-conditioning in buildings Mechanical ventilation for acceptable indoor-air quality
AS 3102-1983	Approval and test specification for electric duct heaters
AS 3772-1990	Fire protection of cooking areas

AS 4429(INT)-1996	Methods of test and rating requirements for smoke-spill fans
AS 1324.1-1996	Air filters for use in general ventilation and airconditioning - Application, performance and construction
AS/NZS 4391(INT):1996	Smoke management systems - Hot smoke test
AS/NZS 2430.3.9:1997	Classification of hazardous areas Examples of area classification - Miscellaneous
AS 1670.1-1995	Fire detection, warning, control and intercom systems - System design, installation and commissioning Fire
HB 37.4-1994	Handbook of Australian fire Standards Building materials, products and construction (Reconfirmed 2016)
AS 1851.6-1997	Maintenance of fire protection equipment - Management procedures for maintaining the fire and smoke control features of air-handling systems
AS 1530.4-1997	Methods for fire tests on building materials, components and structures Fire-resistance tests of elements of building construction
AS 3533.1-1997	Amusement rides and devices Design and construction
AS 2118.1-1995	Automatic fire sprinkler systems - Standard
AS 1603.13-1998	Automatic fire detection and alarm systems - Duct sampling units
AS 2676.1-1992	Guide to the installation, maintenance, testing and replacement of secondary batteries in buildings - Vented cells
AS/NZS 3013:1995	Electrical installations - Classification of the fire and mechanical performance of wiring systems
AS 4254-1995	Ductwork for air-handling systems in buildings
AS 1670.1-2004	Fire detection, warning, control and intercom systems - System design, installation and commissioning Fire

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AS 1668.1-1991

The use of mechanical ventilation and air-conditioning in buildings - Fire and smoke control

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