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AS 2896-2011 medical gas systems-installation and testing of non-flammable medical gas pipeline systems

Standard Number:  AS 2896-2011
Title:  medical gas systems-installation and testing of non-flammable medical gas pipeline systems
Language:  English
Replacing Standard:  DR AS 2896

Status:  Current
International Classification for Standards (ICS)HEALTH CARE TECHNOLOGY>>Medical equipment>>Other medical equipment
Publisher:  Australia Standards(AS)
Price:  
Number of Pages:107  

Description:   
Catalog:Document Contents
AS 2896-2011 MEDICAL GAS SYSTEMS-INSTALLATION AND TESTING OF NON-FLAMMABLE MEDICAL GAS PI...
PREFACE
CONTENTS
FOREWORD
SECTION 1 SCOPE AND GENERAL
1.1 SCOPE
1.2 APPLICATION
1.3 REFERENCED DOCUMENTS
1.4 DEFINITIONS
1.4.1 Alarm system
1.4.2 Boom
1.4.3 Central bulk gas supply (central supply)
1.4.4 Column
1.4.5 Connector
1.4.6 Control equipment
1.4.7 Coupler
1.4.8 Cryogenic liquid system
1.4.9 Design flow rate
1.4.10 Emergency gas supply
1.4.11 Emergency power supply (uninterruptible power supply)
1.4.12 Essential power supply
1.4.13 Extra-low voltage (ELV)
1.4.14 Ferrule
1.4.15 Fixed secondary equipment (FSE)
1.4.16 Gas specific
1.4.17 Hose
1.4.18 Hospital-accredited representative
1.4.19 Isolating valve (shut-off valve)
1.4.20 Line pressure safety valve
1.4.21 Medical air
1.4.22 Medical air compressor system
1.4.23 Medical gas pipeline system
1.4.24 Non-return valve
1.4.25 Normal power supply
1.4.26 Occluded suction
1.4.27 Pedestal
1.4.28 Pendant
1.4.29 Pipeline distribution system
1.4.30 Primary gas supply
1.4.31 Primary pressure safety valve
1.4.32 Pressure regulator
1.4.33 Secondary gas supply
1.4.34 Self-sealing valve
1.4.35 Service facility
1.4.36 Service head
1.4.37 Sleeve index system (SIS)
1.4.38 Source of gas supply
1.4.39 Special care locations
1.4.40 Suction system
1.4.41 Surgical tool air
1.4.42 Terminal unit
1.4.43 Wall ducting
SECTION 2 SOURCE OF SUPPLY
2.1 GENERAL
2.2 SOURCE OF SUPPLY
2.3 PROVISION IN CASE OF FAILURE OF SUPPLY
2.3.1 Special care locations
2.3.2 Cryogenic liquid systems
2.4 CYLINDER SUPPLY SYSTEM
2.4.1 General
2.4.2 Manifold
2.4.3 Manifold isolation
2.4.4 Manifold reset
2.4.5 Manifold headers
2.4.6 Manifold control panel
2.4.7 Cylinder racks
2.4.8 Marking of maximum working pressure on the manifold
2.4.9 Cylinder lead
2.4.10 Emergency gas supply
2.5 PRESSURE REGULATORS
2.6 DESIGN OF GAS CONTROL SYSTEMS
2.7 PRESSURE RELIEF VALVES
2.7.1 Primary pressure relief valve
2.7.2 Line pressure relief valve
2.7.3 Exhausts
2.8 CRYOGENIC SYSTEMS
2.8.1 General
2.8.2 Secondary supply
2.8.3 Emergency supply
2.8.4 Primary main check valve
2.8.5 Cryogenic liquid vessel connections
2.9 MEDICAL AIR SYSTEM
2.9.1 General
2.9.2 Medical air source
2.9.3 Cylinder supply system
2.9.4 Control systems for pendants and columns
2.10 MEDICAL SUCTION SYSTEMS
2.10.1 General
2.10.2 Pipeline suction system (vacuum)
2.10.3 Compressed gas venturi ejector-operated suction system
2.10.4 Anaesthetic gas scavenging (system)
2.11 AIR FOR SURGICAL TOOLS
2.12 LOCATIONS OF SOURCES OF GAS SUPPLY
2.12.1 Cryogenic liquid systems
2.12.2 Gas manifold system
2.12.3 Electrical fittings
2.12.4 Ambient temperature
2.13 ENCLOSURES FOR CYLINDER SUPPLY SYSTEMS
2.13.1 Cylinder storage
2.13.2 Installation inside a building
2.13.3 Installation outdoors
2.13.4 Interior and exterior enclosures
2.13.5 Signs
2.13.6 Delivery access and docks
SECTION 3 GENERAL REQUIREMENTS
3.1 ALARM SYSTEMS
3.1.1 General
3.1.2 Installation requirements
3.1.3 Indicator panels
3.1.4 Operating alarm systems
3.2 MATERIALS
3.2.1 General
3.2.2 Oxygen compatibility of components
3.2.3 Cleaning of pipelines and components
3.3 REQUIREMENTS FOR PIPELINES
3.3.1 General
3.3.2 Pipeline design pressure and flows
3.3.3 In-line fittings and valves
3.3.4 Surgical tool air regulator
3.4 PIPELINE SHUT-OFF VALVES
3.4.1 General
3.4.2 Valve boxes
3.4.3 Positioning
3.5 TERMINAL UNITS AND CONNECTORS
3.5.1 General
3.5.2 Form and dimensions
3.5.3 Secondary shut-off valve
3.5.4 Performance
3.5.5 Siting of terminal units
3.5.6 Identification
3.5.7 Discharge requirements for venturi ejector-operated suction outlets
3.5.8 Connections between terminal units and equipment
3.6 IDENTIFICATION OF PIPELINES
3.6.1 Pipelines
3.6.2 Durability of identification
3.7 PRESSURE GAUGES
SECTION 4 INSTALLATION REQUIREMENTS FOR PIPELINES
4.1 GENERAL
4.2 ELECTRICAL SEGREGATION
4.3 PROTECTION OF PIPELINES
4.3.1 General
4.3.2 In hazardous areas
4.3.3 Covered, buried or concealed pipelines
4.3.4 Electrical earth protection
4.4 MEDICAL GAS RISERS
4.5 RISERS AND DROPPERS TO TERMINAL UNITS
4.6 SLEEVES
4.7 CONTACT WITH CORROSIVE MATERIALS
4.8 ROUTING
4.9 CUTTING INTO AN EXISTING SYSTEM
4.10 INTERCONNECTION
4.11 PIPELINE SUPPORTS
4.12 COPPER PIPELINE JOINTS
4.12.1 Brazing
4.12.2 Threaded and flange joints
4.12.3 Brazing alloy
4.13 CONNECTION TO EXISTING SYSTEMS
4.13.1 General
4.13.2 Installation of an additional pipeline
4.13.3 Sealing and labelling of isolating valve
4.13.4 Marking of affected terminal units
4.13.5 Testing for leaks after addition to the system
4.14 FIXED SECONDARY EQUIPMENT
4.14.1 General
4.14.2 Common requirements of all fixed secondary equipment
4.14.3 Specific requirements of pendants and booms
4.14.4 Specific requirements of columns and pedestals
4.14.5 Specific requirements of wall ducting
SECTION 5 TESTING AND CERTIFICATION
5.1 GENERAL
5.2 TESTING, VERIFICATION AND CERTIFICATION
5.3 LABELLING OF TERMINAL UNITS
5.4 TESTS AND CHECKS ON PIPELINE BEFORE CONCEALMENT
5.4.1 General
5.4.2 Visual check
5.4.3 Initial pressure test
5.4.4 Zone isolation valve tests
5.4.5 Particulate matter tests
5.4.6 Test for cross-connections
5.5 TESTS AND COMMISSIONING OF THE COMPLETE PIPELINE SYSTEM
5.5.1 General
5.5.2 Pressure test
5.5.3 Tests for flow rate and pressure
5.6 FILLING SYSTEM WITH PROPER GAS AND FINAL COMMISSIONING
5.6.1 General
5.6.2 Purging with the proper gas
5.6.3 Tests on supply plant
5.6.4 Tests on alarm systems
5.6.5 Test for gas identity
5.7 CERTIFICATION OF SYSTEMS
5.7.1 Operational test
5.7.2 Records
5.7.3 Handover instructions
5.7.4 Certification and operation manual
5.7.5 Certificate of compliance
5.8 AS-INSTALLED DRAWINGS
5.8.1 General
5.8.2 Marking
5.8.3 Updating
5.8.4 Supplementary master drawing
5.8.5 Emergency reference
SECTION 6 MAINTENANCE
6.1 GENERAL
6.2 SAFETY AND WARNING DEVICES
6.3 SOURCE OF SUPPLY
6.3.1 Checking for proper operation
6.3.2 Inspection of manifold system
6.3.3 Checking of manifolds
6.3.4 Inspection of air compressor and suction pump system
6.4 PURITY OF MEDICAL AIR
6.5 MAINTENANCE OF TERMINAL UNITS
6.6 PRESSURE GAUGES AND PRESSURE SWITCHES
6.7 SERVICE MANUALS
6.8 LOW PRESSURE FLEXIBLE HOSE ASSEMBLIES
APPENDIX A - LIST OF REFERENCED DOCUMENTS
APPENDIX B - GUIDE TO PERFORMANCE OF TYPICAL MEDICAL GAS PIPING SYSTEMS
B1 SCOPE
B2 GENERAL
APPENDIX C - OPERATING ALARM SYSTEMS
APPENDIX D - RECOMMENDATIONS FOR MATERIALS AND JOINTING TECHNIQUES FOR THE PIPELINE
D1 SCOPE
D2 METALS
D3 JOINTING METHODS
APPENDIX E - OUTLINE FOR DETERMINING COMPETENCE OF INSTALLER
APPENDIX F - GUIDANCE TO QUALITY OF WORKMANSHIP IN CONSTRUCTION
F1 GENERAL
F2 PIPE BENDS
APPENDIX G - FLUXLESS BRAZING TECHNIQUE
G1 SCOPE
G2 GENERAL
G3 GENERAL BRAZING TECHNIQUE
G4 MATERIALS
G5 CHOICE OF INERT GAS
G6 HAZARD WITH THE USE OF CARBON DIOXIDE
G7 PRECAUTIONS
G8 USE OF CARBON DIOXIDE
G9 PIPEWORK ASSEMBLY
G10 INITIAL PIPELINE FLUSH
G11 BRAZING OPERATIONS
G12 INSPECTION OF JOINTS
APPENDIX H - LOGISTIC DIAGRAM, TEST CERTIFICATES, NONCONFORMANCE REPORTING AND CONTRACT C...
H1 SCOPE
H2 GENERAL
APPENDIX I - TERMINAL UNIT TEST FORM
APPENDIX J - RELATIONSHIP BETWEEN TEMPERATURE AND CERTAIN PRESSURE RANGES OF A GIVEN MASS...
APPENDIX K - TEST PRESSURE/TEMPERATURE VARIATION FOR SUCTION
APPENDIX L - CONVERSION FACTORS FOR UNITS USED IN THE MEASUREMENT OF PRESSURE
  
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Tile in English:  medical gas systems-installation and testing of non-flammable medical gas pipeline systems

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