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AS/NZS 3500.1-2003 plumbing and drainage - water services

Standard Number:  AS/NZS 3500.1-2003
Title:  plumbing and drainage - water services
Language:  English
Publication Date:  2003/12/15
Status:  Current
International Classification for Standards (ICS)CONSTRUCTION MATERIALS AND BUILDING>>Installations in buildings>>Water supply systems
Publisher:  Australia Standards(AS)
Price:  
Number of Pages:129P.;A4  

Description:This Standard sets out the requirements for the installation of water services from the point of connection to the Network Utility's water supply or from an alternative drinking water supply to the points of discharge. This Standard applies to new instal  
Catalog:Document Contents
AS/NZS 3500.1:2003 PLUMBING AND DRAINAGE - WATER SERVICES
PREFACE
CONTENTS
SECTION 1 SCOPE AND GENERAL
1.1 SCOPE
1.2 APPLICATION
1.2.1 Plumbing Code of Australia
1.2.2 New Zealand Building Code
1.3 NORMATIVE REFERENCES
1.4 DEFINITIONS
1.5 EQUIVALENT PIPE SIZES
1.6 FACILITIES FOR PEOPLE WITH DISABILITIES
1.7 PLASTICS ABBREVIATIONS
1.8 TERMITE MANAGEMENT
SECTION 2 MATERIALS AND PRODUCTS
2.1 SCOPE OF SECTION
2.2 AUTHORIZATION
2.3 SELECTION AND USE OF MATERIALS AND PRODUCTS
2.4 LIMITATIONS ON USE OF PIPES AND FITTINGS
2.4.1 General limitations
2.4.2 Metallic pipes and fittings
2.4.3 Plastics pipes and fittings
2.5 'Text deleted'
2.6 SAFE TRAY AND SAFE WASTE MATERIALS
2.6.1 Safe trays
2.6.2 Safe waste pipes
2.7 JOINTS
2.7.1 Flanged joints
2.7.2 Elastomeric seals
2.7.3 Shouldered or grooved joints
2.7.4 Silver brazing alloy
2.7.5 Soft solders
2.7.6 Solvent cement and priming fluid
2.7.7 Filler rods for stainless steel joints
2.8 CONCRETE AND MORTAR
2.8.1 Concrete mix
2.8.2 Cement mortar
2.8.3 Chemical admixtures
2.8.4 Water for concrete and mortar
2.8.5 Steel reinforcement
2.9 MISCELLANEOUS MATERIALS
2.9.1 Timber
2.9.2 External protective coatings
2.10 BACKFLOW PREVENTION DEVICES
SECTION 3 SIZING OF WATER SERVICES
3.1 SCOPE OF SECTION
3.2 FLOW REQUIREMENTS
3.2.1 Flow rates
3.2.2 Loading units
3.2.3 Probable simultaneous demand
3.2.4 Probable simultaneous flow rate
3.3 PRESSURE REQUIREMENTS
3.3.1 Available pressure
3.3.2 Pressure at outlets
3.3.3 Head losses
3.3.4 Maximum pressure within buildings
3.3.5 Availability of water supply
3.4 VELOCITY REQUIREMENTS
3.5 PIPE SIZE LIMITATIONS
3.5.1 Water service
3.5.2 Branch offtakes
SECTION 4 CROSS-CONNECTION CONTROL AND BACKFLOW PREVENTION
4.1 SCOPE OF SECTION
4.2 PROTECTION OF WATER SUPPLIES
4.2.1 Design
4.2.2 Quality of water supply
4.2.3 Protection against contaminants
4.2.4 Combined tanks
4.2.5 Alternative water supplies
4.2.6 Authorized fixtures, appliances or apparatus
4.3 CROSS-CONNECTION HAZARD RATING
4.4 PROVISION OF BACKFLOW PREVENTION DEVICES
4.4.1 General
4.4.2 Type of backflow protection
4.4.3 Hose taps
4.4.4 Additional backflow protection
4.4.5 Water downstream of backflow prevention device
4.4.6 Commissioning and maintenance
4.4.7 Hot water systems
4.5 SUITABILITY OF DEVICES FOR HAZARDS
4.6 INSTALLATION OF BACKFLOW PREVENTION DEVICES
4.6.1 General installation requirements
4.6.2 Location of devices
4.6.3 Specific installation requirements for testable and non-testable devices
SECTION 5 INSTALLATION OF COLD WATER SERVICES
5.1 SCOPE OF SECTION
5.2 ELECTRICAL SAFETY PRECAUTIONS AND EARTHING
5.3 PROXIMITY TO OTHER SERVICES
5.3.1 General
5.3.2 Separation from above-ground electrical conduit, wire, cable or consumer gas pipes
5.3.3 Separation from underground electrical supply cables or consumer gas pipes
5.3.4 Separation from underground electrical earthing electrode
5.3.5 Separation from underground communication cable
5.3.6 Separation from underground drains
5.3.7 Separation from non-drinking water (see also Clause 9.5.3)
5.3.8 Separation from other underground services
5.3.9 Crossover of other underground services
5.3.10 Clearance from underground obstructions
5.4 ISOLATING VALVES
5.4.1 General
5.4.2 Location
5.4.3 On fire services
5.4.4 Multiple dwellings
5.4.5 Maintenance
5.5 LOCATION OF PIPING
5.5.1 Location
5.5.2 Concealed piping
5.5.3 Chases, ducts or conduits
5.5.4 Under concrete slabs
5.6 METHODS OF JOINTING
5.6.1 General
5.6.2 Threading
5.6.3 Bolted gland and gibault type joints
5.6.4 Capillary fitting
5.6.5 Compression joints
5.6.6 Flanged joints
5.6.7 Roll-grooved joints
5.6.8 Silver brazing
5.6.9 Soft soldering
5.6.10 Solvent cement joints
5.6.11 Jointing of stainless steel pipe and fittings
5.7 SUPPORT AND FIXING ABOVE GROUND
5.7.1 General
5.7.2 Brackets, clips and hangers
5.7.3 Prohibited supports
5.7.4 Spacing
5.7.5 Securing of pipes and fittings
5.8 STANDPIPES
5.9 ANCHORAGE BELOW GROUND
5.9.1 General
5.9.2 Location of thrust blocks (see Figure 5.4)
5.9.3 Construction of thrust blocks
5.9.4 Curing time for thrust blocks
5.10 DEPTH OF COVER
5.11 'Text deleted'
5.12 BEDDING AND BACKFILL
5.13 CONTAMINATED AREAS
5.13.1 General
5.13.2 Installation
5.14 CORROSIVE AREAS
5.14.1 General
5.14.2 Jointing of dissimilar metallic pipes and fittings
5.15 PIPES IN WATER-CHARGED OR FILLED GROUND
5.16 OPEN CHANNELS OR WATERCOURSES
5.17 PRIVATE EASEMENTS
5.17.1 Proximity of water services
5.17.2 Depth of piping
5.18 DRY SERVICES
5.19 PROTECTION AGAINST FREEZING
5.19.1 Requirement for protection
5.19.2 Piping located outside buildings
5.19.3 Pipes located on metal roofs
5.19.4 Pipes located inside buildings
5.19.5 Insulation of piping
5.20 GENERAL PRECAUTIONS FOR PLASTICS PIPES AND FITTINGS
5.21 IDENTIFICATION OF PIPING
5.22 TEMPERATURE CONTROL DEVICES
5.23 BUSHFIRE ZONES
SECTION 6 FIRE SERVICES
6.1 SCOPE OF SECTION
6.2 GENERAL
6.3 MATERIALS AND PRODUCTS
6.4 INSTALLATION
6.5 METERING OF A FIRE HYDRANT OR SPRINKLER SERVICE
6.6 WATER STORAGE TANKS
6.7 PRESSURE REDUCTION
6.8 IDENTIFICATION
SECTION 7 IRRIGATION AND LAWN°WATERING SYSTEMS
7.1 SCOPE OF SECTION
7.2 SYSTEM TYPES
7.3 BACKFLOW PROTECTION REQUIREMENTS
7.4 MATERIALS
SECTION 8 WATER STORAGE TANKS
8.1 SCOPE OF SECTION
8.2 PURPOSE OF TANKS
8.2.1 General
8.2.2 Limitations on use
8.3 DESIGN AND INSTALLATION REQUIREMENTS
8.3.1 General
8.3.2 Capacity of storage tanks-Measurement
8.3.3 Access
8.3.4 Placement of tank
8.4 TANK DESIGN
8.4.1 General
8.4.2 Internal corrosion protection
8.4.3 Tank cover
8.4.4 Tank overflow
8.5 INLET PIPING
8.5.1 Connections
8.5.2 Stop valve
8.6 OUTLET PIPING
8.6.1 Connections
8.6.2 Service outlets
8.7 SLUDGE VALVES
8.8 SAFE-TRAY
8.8.1 General
8.8.2 Safe-tray construction
8.8.3 Overflow
8.9 MARKING OF TANKS
SECTION 9 NON-DRINKING WATER SERVICES
9.1 SCOPE OF SECTION
9.2 GENERAL
9.3 CROSS-CONNECTION CONTROL
9.4 MATERIALS AND PRODUCTS
9.5 INSTALLATION REQUIREMENTS
9.5.1 Installation
9.5.2 Non-drinking water services and outlets
9.5.3 Proximity to other services
9.5.4 'Text deleted'
9.5.5 Water meters
9.6 TESTING AND COMMISSIONING A NON-DRINKING WATER SERVICE
SECTION 9A TREATED GREYWATER SERVICES
9A.1 SCOPE OF SECTION
9A.2 GENERAL
9A.3 CROSS-CONNECTION CONTROL
9A.4 PROTECTION OF OTHER WATER SUPPLIES FROM TREATED GREYWATER
9A.5 MATERIALS AND PRODUCTS
9A.6 INSTALLATION
SECTION 10 WATER FOR SANITARY FLUSHING
10.1 SCOPE OF SECTION
10.2 GENERAL
10.3 WATER CLOSET FLUSHING VOLUMES
10.3.1 Flushing volumes
10.3.2 Performance compatibility of cisterns and pans
10.4 URINALS
10.4.1 Quantity of flushing water
10.4.2 Automatic cisterns
10.4.3 Programmed flushing systems
10.4.4 Flushing devices operated on demand
10.4.5 Location of flush valves
10.5 INSTALLATION OF CISTERNS
10.5.1 General
10.5.2 Urinal type cisterns
10.5.3 Manually operated cisterns
10.5.4 Water closet pan and slop hopper pan type cisterns
10.6 FLUSH VALVES SUPPLIED FROM BREAK TANKS
10.6.1 General
10.6.2 Capacity
10.6.3 Operating head
10.6.4 Pipe size guide
10.6.5 Urinal type flush valves
10.7 FLUSH PIPES AND WATER FLOW DISTRIBUTION
10.8 PRESSURE RATIO VALVES
10.8.1 General
10.8.2 Requirement for pressure gauges
10.9 FLUSH VALVES CONNECTED TO THE DRINKING WATER SERVICE
10.9.1 General
10.9.2 Compatibility
10.9.3 Pipe size
10.9.4 Protection
10.9.5 Location
10.9.6 Pressure and velocity limitations
10.9.7 Branch service pipe
SECTION 10A INSTALLATION OF WATER SUPPLY TO SPECIFIED FIXTURES
10A.1 SCOPE OF SECTION
10A.2 BIDET, BIDETTE AND TOILET SEAT DOUCHE
10A.2.1 Bidets
10A.2.2 Bidette
10A.2.3 Toilet seat douches
SECTION 11 PUMPS
11.1 SCOPE OF SECTION
11.2 GENERAL
11.3 CONTROL OF PUMPS
11.4 INSTALLATION OF PUMPS
11.5 BOOSTER PUMPS
SECTION 12 WATER REQUIREMENTS FOR HAEMODIALYSIS MACHINES
12.1 SCOPE OF SECTION
12.2 GENERAL
12.3 CONNECTION TO THE WATER SERVICE
12.4 MAINTENANCE OF FLOW RATE
12.5 WATER METERS
SECTION 13 WATER METERS
13.1 SCOPE OF SECTION
13.2 LOCATION OF WATER METERS
13.3 INSTALLATION INSIDE BUILDINGS
13.4 INSTALLATION BELOW GROUND
13.5 PROTECTION FROM MECHANICAL DAMAGE
13.6 ELECTRICAL SAFETY PRECAUTIONS
13.7 FROST PROTECTION
SECTION 14 INSTALLATION OF WATER SUPPLY SYSTEM FROM RAINWATER TANKS
14.1 SCOPE OF SECTION
14.2 PIPES, VALVES AND FITTINGS
14.3 INSTALLATION
14.3.1 General
14.3.2 Additional marking and signage of pipework and outlets
14.3.3 Connection between service pipes
14.4 PROTECTION OF OTHER WATER SUPPLIES FROM RAINWATER
SECTION 15 MULTI-UNIT DEVELOPMENTS
15.1 SCOPE OF SECTION
15.2 METHODS OF DESIGN
15.3 DIVISION OF DEVELOPMENT
15.4 RING MAINS AND FLUSHING POINTS
15.5 FIRE SERVICES
SECTION 16 TESTING AND COMMISSIONING
16.1 SCOPE OF SECTION
16.2 FLUSHING
16.3 TESTING
16.3.1 Hydrostatic test
16.3.2 Storage tanks (except rainwater tanks)
16.4 CLEANING AND DISINFECTION OF DRINKING WATER STORAGE TANKS
16.5 DISINFECTION OF WATER SERVICES
16.6 COMMISSIONING
APPENDIX A - NORMATIVE REFERENCES
APPENDIX B - ACCEPTABLE PIPES AND FITTINGS
APPENDIX C - SIZING METHOD FOR SUPPLY PIPING FOR DWELLINGS
C1 GENERAL
C2 PROCEDURE
C3 WORKED EXAMPLE
APPENDIX D - SIZING OF PIPING FOR DWELLINGS
D1 GENERAL
D2 PROCEDURE
D3 WORKED EXAMPLE
APPENDIX E - EXAMPLES OF POTENTIAL CROSS-CONNECTIONS
E1 SCOPE
E2 POTENTIAL CROSS-CONNECTIONS
APPENDIX F - TYPES OF BACKFLOW PROTECTION
APPENDIX G - STORAGE TANKS-INFLOW AND OVERFLOW
G1 GENERAL
G2 INFLOW RATE
G3 OVERFLOW SIZE AND SPILLING LEVEL
G4 AIR GAP
G5 HEIGHT OF INLET ABOVE INVERT LEVEL OF OVERFLOW
APPENDIX H - CLEANING AND DISINFECTION OF STORAGE TANKS
H1 GENERAL
H2 CLEANING
H3 DISINFECTION
APPENDIX I - DISINFECTION OF WATER SERVICES
I1 GENERAL
I2 PRECAUTIONS AGAINST CONTAMINATION
I3 FLUSHING OF WATER SERVICES
I4 CHLORINATION
I5 FINAL FLUSHING
APPENDIX J - EQUIVALENT PIPE SIZES
J1 SCOPE
BIBLIOGRAPHY
  
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