ATO Depreciation Rates 2023

Table A
NameEffective LifeDiminishing Value RatePrime Cost RateDate of Application
AGRICULTURE, FORESTRY AND FISHING:
Poultry hatcheries:
Vacuum/auger systems (waste)20 years10.00%5.00%1 Jan 2007
MINING:
Mineral sand mining:
Waste gas handling assets:
Afterburners20 years10.00%5.00%1 Jan 2003
Cyclones15 years13.33%6.67%1 Jan 2003
Electrostatic precipitators30 years6.67%3.33%1 Jan 2003
Scrubbers and stacks20 years10.00%5.00%1 Jan 2003
MANUFACTURING:
Meat processing:
Rendering plant:
Waste heat evaporators15 years13.33%6.67%1 Jan 2001
Slaughter floor assets:
Waste belt conveyors (incorporating drives, motors and supporting structure)10 years20.00%10.00%1 Jul 2013
Waste screw conveyors (incorporating drives, motors and supporting structure)10 years20.00%10.00%1 Jul 2013
Waste water assets:
Aerators and agitators10 years20.00%10.00%1 Jul 2013
Aerobic ponds30 years6.67%3.33%1 Jul 2013
Anaerobic ponds30 years6.67%3.33%1 Jul 2013
Belt filter presses15 years13.33%6.67%1 Jul 2013
Chlorine dosing systems10 years20.00%10.00%1 Jul 2013
Dissolved air flotation systems15 years13.33%6.67%1 Jul 2013
Effluent distribution pipes15 years13.33%6.67%1 Jul 2013
Effluent drum filters10 years20.00%10.00%1 Jul 2013
Effluent irrigators (including centre pivot, lateral and travelling gun)10 years20.00%10.00%1 Jul 2013
Effluent pumps7 years28.57%14.29%1 Jul 2013
Effluent screens10 years20.00%10.00%1 Jul 2013
Effluent storage tanks15 years13.33%6.67%1 Jul 2013
Methane gas cogeneration assets - see Table A Electricity supply (26110 to 26400) and Gas supply (27000)
Pond covers10 years20.00%10.00%1 Jul 2013
Pond liners10 years20.00%10.00%1 Jul 2013
Sequential batch reactors10 years20.00%10.00%1 Jul 2013
Settling ponds30 years6.67%3.33%1 Jul 2013
Solids dewatering presses10 years20.00%10.00%1 Jul 2013
Cured meat and smallgoods manufacturing:
Ancillary assets:
Waste water management and treatment systems20 years10.00%5.00%1 Jul 2016
Dairy product manufacturing:
Ancillary and support assets:
Waste water treatment assets20 years10.00%5.00%1 Jul 2016
Fruit and vegetable processing:
Fruit juice and fruit juice drink manufacturing assets:
Tanks:
Waste water storage/treatment tanks20 years10.00%5.00%1 Jul 2010
Grain mill product manufacturing:
Malt manufacturing assets:
Waste water treatment assets:
Aerators20 years10.00%5.00%1 Jul 2008
Blowers20 years10.00%5.00%1 Jul 2008
Clarifiers20 years10.00%5.00%1 Jul 2008
Digester/aeration tanks25 years8.00%4.00%1 Jul 2008
Reverse osmosis system assets20 years10.00%5.00%1 Jul 2008
Prepared animal and bird feed manufacturing:
Pet food manufacturing assets:
Support assets:
Waste water ponds25 years8.00%4.00%1 Jul 2013
Waste water treatment assets20 years10.00%5.00%1 Jul 2013
Prepared animal and bird feed manufacturing assets generally:
Support assets:
Waste water treatment assets20 years10.00%5.00%1 Jul 2012
Other food product manufacturing n.e.c.:
Coffee processing assets:
Support assets:
Waste water treatment assets20 years10.00%5.00%1 Jul 2012
Frozen pre-prepared food manufacturing assets (including frozen appetisers and finger foods such as dim sims and spring rolls, frozen french fries/potato chips, frozen pizzas and frozen pre-prepared meals):
Ancillary and support assets:
Waste water treatment assets:
Aerators20 years10.00%5.00%1 Jul 2012
Biogas system assets (excluding lagoon and pond covers)25 years8.00%4.00%1 Jul 2012
Blowers20 years10.00%5.00%1 Jul 2012
Clarifiers (including dissolved air floatation equipment and screens)20 years10.00%5.00%1 Jul 2012
Digester/aeration tanks25 years8.00%4.00%1 Jul 2012
Lagoons and ponds40 years5.00%2.50%1 Jul 2012
Lagoon and pond covers12 years16.67%8.33%1 Jul 2012
Lagoon and pond liners20 years10.00%5.00%1 Jul 2012
Reverse osmosis system assets20 years10.00%5.00%1 Jul 2012
Sludge dewatering assets (including filters, separators etc)15 years13.33%6.67%1 Jul 2012
Soft drink, cordial and syrup manufacturing:
Support assets:
Waste water treatment assets:
Aerators20 years10.00%5.00%1 Jul 2009
Anaerobic bio gas system assets25 years8.00%4.00%1 Jul 2009
Blowers20 years10.00%5.00%1 Jul 2009
Clarifiers20 years10.00%5.00%1 Jul 2009
Digester/aeration tanks25 years8.00%4.00%1 Jul 2009
Reverse osmosis system assets20 years10.00%5.00%1 Jul 2009
Beer manufacturing (except non-alcoholic beer):
Support assets:
Waste water treatment assets:
Aerators20 years10.00%5.00%1 Jul 2008
Anaerobic bio gas system assets25 years8.00%4.00%1 Jul 2008
Blowers20 years10.00%5.00%1 Jul 2008
Clarifiers20 years10.00%5.00%1 Jul 2008
Digester/aeration tanks25 years8.00%4.00%1 Jul 2008
Reverse osmosis system assets20 years10.00%5.00%1 Jul 2008
Wine and other alcoholic beverage manufacturing:
Grape handling assets:
Grape waste pits (concrete)20 years10.00%5.00%1 Jul 2008
Support assets:
Waste water treatment assets:
Aerators10 years20.00%10.00%1 Jul 2008
Blowers10 years20.00%10.00%1 Jul 2008
Clarifiers10 years20.00%10.00%1 Jul 2008
Digesters10 years20.00%10.00%1 Jul 2008
Tanks (including insulation, agitators, pump over systems and monitoring instrumentation):
Waste water storage/treatment tanks15 years13.33%6.67%1 Jul 2008
Wool scouring:
Wool and fleece scouring and carbonising assets:
Waste treatment system10 years20.00%10.00%1 Jul 2017
Log sawmilling and timber dressing:
Saw milling equipment:
Green mill plant:
Log, lumber and waste transfer equipment15 years13.33%6.67%1 Jan 2001
Waste processing equipment:
Bins - waste, chip and fuel15 years13.33%6.67%1 Jan 2001
Chippers, shakers/screens and hoggers10 years20.00%10.00%1 Jan 2001
Printing:
Support assets:
Dust/waste extraction systems:
Compactors12 ½ years16.00%8.00%1 Jan 2007
Ducting15 years13.33%6.67%1 Jan 2007
Vacuum pumps6 years33.33%16.67%1 Jan 2007
Industrial gas manufacturing:
Industrial gas - manufacturing assets for specific gases:
Dry ice manufacturing assets:
Extraction fans for waste carbon dioxide (C02)10 years20.00%10.00%1 Jul 2011
Basic organic chemical manufacturing:
Ethanol manufacturing assets:
Support and other assets:
Waste water treatment assets:
Aerators20 years10.00%5.00%1 Jul 2012
Biogas system assets (excluding effluent pond covers)25 years8.00%4.00%1 Jul 2012
Digester/aeration tanks25 years8.00%4.00%1 Jul 2012
Effluent channels and ponds40 years5.00%2.50%1 Jul 2012
Pond covers12 years16.67%8.33%1 Jul 2012
Pond liners20 years10.00%5.00%1 Jul 2012
Basic inorganic chemical manufacturing:
Ammonia manufacturing assets:
Heat exchangers:
Waste heat boilers20 years10.00%5.00%1 Jul 2013
Ammonium nitrate manufacturing assets:
Nitric acid manufacturing assets:
Heat exchangers:
Waste heat boilers20 years10.00%5.00%1 Jul 2013
Ready-mixed concrete manufacturing:
Waste water treatment assets:
Catchment and settlement ponds20 years10.00%5.00%1 Jul 2014
Concrete slurry pumps3 years66.67%33.33%1 Jul 2014
Polyethylene (PE) water tanks8 years25.00%12.50%1 Jul 2014
Iron smelting and steel manufacturing:
Basic oxygen steelmaking (BOS) and electric arc furnace (EAF) steel making assets:
Emissions control assets:
Waste gas radiation cooling systems (incorporating water sprays and ducts)20 years10.00%5.00%1 Jul 2010
Waste gas extractor fans and silencers20 years10.00%5.00%1 Jul 2010
Blast furnace assets:
Emissions control assets:
Waste gas collector mains and ducts15 years13.33%6.67%1 Jul 2010
Coke making assets:
Emissions control assets:
Waste gas cleaning and dedusting assets:
Baghouses20 years10.00%5.00%1 Jul 2009
Dedusting fans (including extraction dusting incorporating gearboxes and drives)20 years10.00%5.00%1 Jul 2009
Dust collection systems, dust drop out boxes and dust disposal rotary valves (incorporating motors and gearboxes)20 years10.00%5.00%1 Jul 2009
Fume extraction hoods20 years10.00%5.00%1 Jul 2009
Waste gas collector mains and ducts25 years8.00%4.00%1 Jul 2009
Pellet making assets:
Emissions control assets:
Waste gas collector mains and ducts20 years10.00%5.00%1 Jul 2010
Waste gas extractor fans20 years10.00%5.00%1 Jul 2010
Induration assets:
Waste heat recovery ducts15 years13.33%6.67%1 Jul 2010
Waste heat recovery fans10 years20.00%10.00%1 Jul 2010
Sinter making assets:
Emissions control assets:
Waste gas cleaning and dedusting assets:
Activated carbon packed bed filters15 years13.33%6.67%1 Jul 2009
Dedusting fans10 years20.00%10.00%1 Jul 2009
Electrostatic precipitators and scraper chains20 years10.00%5.00%1 Jul 2009
Waste gas collector mains and ducts20 years10.00%5.00%1 Jul 2009
Strand assets:
Preheat hoods (incorporating waste heat recovery fans and mains)7 years28.57%14.29%1 Jul 2009
Motor vehicle manufacturing:
Bus and truck manufacturing assets (including bus vehicle body assembling assets and truck body manufacturing assets):
Ancillary and support assets:
Waste oil collection and storage assets10 years20.00%10.00%1 Jul 2011
Waste water treatment assets:
Meters5 years40.00%20.00%1 Jul 2011
Pipework15 years13.33%6.67%1 Jul 2011
Pumps12 years16.67%8.33%1 Jul 2011
Separators15 years13.33%6.67%1 Jul 2011
Tanks30 years6.67%3.33%1 Jul 2011
Motor car engine assembly and manufacturing assets:
Waste treatment assets:
Laboratory equipment (including balancers, chart recorders, dryers, pH sampling devices, rotameters and simulators etc)10 years20.00%10.00%1 Jul 2012
Meters and sensors (including chart recorders, dosing meters, level meters, level sensors and pH method meters and sensors etc)10 years20.00%10.00%1 Jul 2012
Pumps (including dosing pumps, recirculation pumps etc)10 years20.00%10.00%1 Jul 2012
Tanks and pools (including recycling tanks, sludge tanks and pools, storage tanks etc)20 years10.00%5.00%1 Jul 2012
Waste treatment assets generally (including dosing systems, flotation waste treatment systems, heaters, oil removing systems, skimmers and sludge presses etc)15 years13.33%6.67%1 Jul 2012
Railway rolling stock manufacturing and repair services:
Support assets:
Waste water and effluent treatment assets10 years20.00%10.00%1 Jul 2014
ELECTRICITY, GAS, WATER AND WASTE SERVICES:
Electricity supply:
Electricity distribution:
Control, monitoring, communications and protection systems10 years20.00%10.00%1 Jan 2002
Customer meters (incorporating load and time switches if fitted)25 years8.00%4.00%1 Jan 2002
Customer service mains or cable, above ground40 years5.00%2.50%1 Jan 2002
Customer service mains or cable, underground50 years4.00%2.00%1 Jan 2002
Distribution lines:
Above ground (incorporating conductors; cross arms, insulators and fittings; poles - concrete, wood, steel or stobie; and transformers - pole or ground pad mounted)45 years4.44%2.22%1 Jan 2002
Combination of above ground and underground47 ½ years4.21%2.11%1 Jan 2002
Underground (incorporating cables, fittings and ground pad mounted transformers)50 years4.00%2.00%1 Jan 2002
Distribution substations/transformers, pole or ground pad mounted40 years5.00%2.50%1 Jan 2002
Distribution zone substations (excluding control, monitoring, communications and protection systems)40 years5.00%2.50%1 Jan 2002
Nightwatchman's lights15 years13.33%6.67%1 Jan 2002
Street lights15 years13.33%6.67%1 Jan 2002
Electricity generation:
Ash and dust handling and disposal:
Ash dams20 years10.00%5.00%1 Jan 2002
Ash slurry systems15 years13.33%6.67%1 Jan 2002
Conveyors30 years6.67%3.33%1 Jan 2002
Crushers15 years13.33%6.67%1 Jan 2002
On-site storage silos, concrete or steel30 years6.67%3.33%1 Jan 2002
Fuel supply and handling:
On-site gaseous fuel supply systems (incorporating downstream delivery pipelines)30 years6.67%3.33%1 Jan 2002
On-site liquid fuel supply systems (incorporating downstream delivery pipelines)30 years6.67%3.33%1 Jan 2002
Solid fuels:
Coal handling assets (including conveyors, slot bunker, transfer towers, and weighers)30 years6.67%3.33%1 Jan 2002
Day bunkers and silos, concrete or steel (incorporating top side conveyor system)30 years6.67%3.33%1 Jan 2002
On-site coal storage assets (including stacking and reclaiming assets)30 years6.67%3.33%1 Jan 2002
On-site storage silos, concrete or steel30 years6.67%3.33%1 Jan 2002
Quality control assets (including coal sampling assets and secondary crushers)30 years6.67%3.33%1 Jan 2002
Power generators:
Co-generation:
Condensing and feed heating assets30 years6.67%3.33%1 Jan 2002
Control and monitoring system15 years13.33%6.67%1 Jan 2002
Emergency power supply assets (including batteries and uninterruptible power supply (UPS) assets)15 years13.33%6.67%1 Jan 2002
Gas turbine generators30 years6.67%3.33%1 Jan 2002
Generator transformers and unit transformers in sub-tropical areas30 years6.67%3.33%1 Jan 2002
Generator transformers and unit transformers in tropical areas25 years8.00%4.00%1 Jan 2002
Heat recovery steam generators30 years6.67%3.33%1 Jan 2002
Miscellaneous assets30 years6.67%3.33%1 Jan 2002
On-site switchyards with conventional outdoor switchgear30 years6.67%3.33%1 Jan 2002
On-site switchyards with gas insulated switchgear30 years6.67%3.33%1 Jan 2002
Reciprocating engines, diesel fired20 years10.00%5.00%1 Jan 2002
Reciprocating engines, gas spark ignition20 years10.00%5.00%1 Jan 2002
Station and auxiliary electrical systems within the power station30 years6.67%3.33%1 Jan 2002
Steam turbine generators30 years6.67%3.33%1 Jan 2002
Combined cycle:
Condensing and feed heating assets30 years6.67%3.33%1 Jan 2002
Control and monitoring systems15 years13.33%6.67%1 Jan 2002
Emergency power supply assets (including batteries and uninterruptible power supply (UPS) assets)15 years13.33%6.67%1 Jan 2002
Gas turbine generators30 years6.67%3.33%1 Jan 2002
Generator transformers and unit transformers in sub-tropical areas30 years6.67%3.33%1 Jan 2002
Generator transformers and unit transformers in tropical areas25 years8.00%4.00%1 Jan 2002
Heat recovery steam generators30 years6.67%3.33%1 Jan 2002
Miscellaneous assets30 years6.67%3.33%1 Jan 2002
On-site switchyards with conventional outdoor switchgear30 years6.67%3.33%1 Jan 2002
On-site switchyards with gas insulated switchgear30 years6.67%3.33%1 Jan 2002
Station and auxiliary electrical systems within the power station30 years6.67%3.33%1 Jan 2002
Steam turbine generators30 years6.67%3.33%1 Jan 2002
Diesel or gas engine:
Control and monitoring systems15 years13.33%6.67%1 Jan 2002
Diesel reciprocating engines20 years10.00%5.00%1 Jan 2002
Emergency power supply assets (including batteries and uninterruptible power supply (UPS) assets)15 years13.33%6.67%1 Jan 2002
Gas spark ignition reciprocating engines20 years10.00%5.00%1 Jan 2002
Generator transformers and unit transformers in sub-tropical areas30 years6.67%3.33%1 Jan 2002
Generator transformers and unit transformers in tropical areas25 years8.00%4.00%1 Jan 2002
Miscellaneous assets30 years6.67%3.33%1 Jan 2002
On-site switchyards with conventional outdoor switchgear30 years6.67%3.33%1 Jan 2002
On-site switchyards with gas insulated switchgear30 years6.67%3.33%1 Jan 2002
Station and auxiliary electrical systems within the power station30 years6.67%3.33%1 Jan 2002
Gas turbine:
Control and monitoring systems15 years13.33%6.67%1 Jan 2002
Emergency power supply assets (including batteries and uninterruptible power supply (UPS) assets)15 years13.33%6.67%1 Jan 2002
Gas turbine generators30 years6.67%3.33%1 Jan 2002
Generator transformers and unit transformers in sub-tropical areas30 years6.67%3.33%1 Jan 2002
Generator transformers and unit transformers in tropical areas25 years8.00%4.00%1 Jan 2002
Miscellaneous assets30 years6.67%3.33%1 Jan 2002
On-site switchyards with conventional outdoor switchgear30 years6.67%3.33%1 Jan 2002
On-site switchyards with gas insulated switchgear30 years6.67%3.33%1 Jan 2002
Station and auxiliary electrical systems within the power station30 years6.67%3.33%1 Jan 2002
Hydro-electric:
Control and monitoring system15 years13.33%6.67%1 Jan 2002
Emergency power supply assets (including batteries and uninterruptible power supply (UPS) assets)15 years13.33%6.67%1 Jan 2002
Generator transformers and unit transformers in sub-tropical area30 years6.67%3.33%1 Jan 2002
Generator transformers and unit transformers in tropical areas25 years8.00%4.00%1 Jan 2002
Hydro turbines and generators40 years5.00%2.50%1 Jan 2002
Miscellaneous assets40 years5.00%2.50%1 Jan 2002
On-site switchyards with conventional outdoor switchgear40 years5.00%2.50%1 Jan 2002
On-site switchyards with gas insulated switchgear35 years5.71%2.86%1 Jan 2002
Station and auxiliary electrical systems within the power station40 years5.00%2.50%1 Jan 2002
Solar:
Photovoltaic electricity generating system assets (incorporating photovoltaic panels, mounting frames and inverters)20 years10.00%5.00%1 Jul 2011
Thermal:
Condensing and feed heating assets30 years6.67%3.33%1 Jan 2002
Control and monitoring systems15 years13.33%6.67%1 Jan 2002
Emergency power supply assets (including batteries and uninterruptible power supply (UPS) assets)15 years13.33%6.67%1 Jan 2002
Generator transformers and unit transformers in sub-tropical areas30 years6.67%3.33%1 Jan 2002
Generator transformers and unit transformers in tropical areas25 years8.00%4.00%1 Jan 2002
Miscellaneous assets30 years6.67%3.33%1 Jan 2002
On-site switchyards with conventional outdoor switchgear30 years6.67%3.33%1 Jan 2002
On-site switchyards with gas insulated switchgear30 years6.67%3.33%1 Jan 2002
Primary dust collection systems (incorporating electrostatic precipitators or baghouse filters)30 years6.67%3.33%1 Jan 2002
Solid fuel preparation assets (including fuel feeders and milling assets)30 years6.67%3.33%1 Jan 2002
Station and auxiliary electrical systems within the power station30 years6.67%3.33%1 Jan 2002
Steam generators30 years6.67%3.33%1 Jan 2002
Steam turbine generators30 years6.67%3.33%1 Jan 2002
Wind:
Generator transformers and unit transformers in sub-tropical areas30 years6.67%3.33%1 Jan 2002
Generator transformers and unit transformers in tropical areas25 years8.00%4.00%1 Jan 2002
Wind turbines20 years10.00%5.00%1 Jan 2002
Power station civil and structural works:
Chimney stacks:
Concrete surrounds30 years6.67%3.33%1 Jan 2002
Steel flues20 years10.00%5.00%1 Jan 2002
Cooling towers (concrete or timber)30 years6.67%3.33%1 Jan 2002
Cooling water systems (excluding cooling towers and condensing assets)30 years6.67%3.33%1 Jan 2002
Power station buildings, to the extent that they form an integral part of plant30 years6.67%3.33%1 Jan 2002
Workshop machinery and tools20 years10.00%5.00%1 Jan 2002
Electricity transmission:
Control, monitoring, communications and protection systems12 ½ years16.00%8.00%1 Jan 2002
Power transformers40 years5.00%2.50%1 Jan 2002
Transmission lines (incorporating conductors, insulators and towers)47 ½ years4.21%2.11%1 Jan 2002
Transmission substations (excluding power transformers and control, monitoring, communications and protection systems)40 years5.00%2.50%1 Jan 2002
Gas supply:
Gas distribution:
Control systems (excluding computers)10 years20.00%10.00%1 Jul 2002
Gas meters15 years13.33%6.67%1 Jul 2002
Low pressure (LP) gas storage holders40 years5.00%2.50%1 Jul 2002
Pigging devices5 years40.00%20.00%1 Jul 2002
Pipelines (including high, medium or low pressure trunk, primary or secondary mains or services):
Generally50 years4.00%2.00%1 Jul 2002
Polyvinylchloride (PVC) pipelines30 years6.67%3.33%1 Jul 2002
Regulators (including gate stations, subgate stations, block valve stations, pressure regulating stations and district regulating stations)40 years5.00%2.50%1 Jul 2002
Gas transmission:
Compressor gas turbine (GT) drivers20 years10.00%5.00%1 Jul 2002
Compressor station assets30 years6.67%3.33%1 Jul 2002
Control systems (excluding computers)10 years20.00%10.00%1 Jul 2002
Gas meters15 years13.33%6.67%1 Jul 2002
Gas pipeline LNG station assets30 years6.67%3.33%1 Jul 2002
Pigging devices5 years40.00%20.00%1 Jul 2002
Pipelines - transmission, spur or lateral50 years4.00%2.00%1 Jul 2002
Regulators (including gate stations, subgate stations, block valve stations, pressure regulating stations and district regulating stations)40 years5.00%2.50%1 Jul 2002
Underground gas storage asset40 years5.00%2.50%1 Jul 2002
Water supply:
Assets used by irrigation water providers:
Channel regulators80 years2.50%1.25%1 Jan 2005
Cranes (including gantries)40 years5.00%2.50%1 Jan 2005
Dams and weirs ((incorporating gates and actuators) consisting of a barrier to obstruct the flow of water constructed from any or all of the following: concrete, earth and rockfill)100 years2.00%1.00%1 Jan 2005
Drain inlet50 years4.00%2.00%1 Jan 2005
Drainage channels (measured from the point of intersection with another drainage channel to the following intersection)100 years2.00%1.00%1 Jan 2005
Escapes50 years4.00%2.00%1 Jan 2005
Flow meters20 years10.00%5.00%1 Jan 2005
Irrigation channels (incorporating siphons and subways) measured from offtake or regulator to regulator:
Concrete50 years4.00%2.00%1 Jan 2005
Earth80 years2.50%1.25%1 Jan 2005
Measurement flumes50 years4.00%2.00%1 Jan 2005
Metered outlets:
Electronic40 years5.00%2.50%1 Jan 2005
Mechanical50 years4.00%2.00%1 Jan 2005
Piped40 years5.00%2.50%1 Jan 2005
Offtakes80 years2.50%1.25%1 Jan 2005
Pipes: measured from valve to valve, that are of the same age and same material (not being in the nature of a repair)80 years2.50%1.25%1 Jan 2005
Pump inlets50 years4.00%2.00%1 Jan 2005
Pump sets (incorporating switchboards, starters, motors and pumps)40 years5.00%2.50%1 Jan 2005
Reservoirs and tanks80 years2.50%1.25%1 Jan 2005
Valves40 years5.00%2.50%1 Jan 2005
Assets used in water supply:
Aerators and blowers20 years10.00%5.00%1 Jan 2005
Cathodic protection systems20 years10.00%5.00%1 Jan 2005
Chemical dosing pumps25 years8.00%4.00%1 Jan 2005
Pump sets (incorporating switch boards, starters, motors and pumps)25 years8.00%4.00%1 Jan 2005
Raw water storage and supply assets:
Bores30 years6.67%3.33%1 Jan 2005
Dam or weir intake structures100 years2.00%1.00%1 Jan 2005
Dams and weirs100 years2.00%1.00%1 Jan 2005
Reservoirs, elevated tanks and standpipes: whether made from steel or concrete80 years2.50%1.25%1 Jan 2005
Service connections:
Water meters20 years10.00%5.00%1 Jan 2005
Valves:
Generally30 years6.67%3.33%1 Jan 2005
Pressure reducing valves25 years8.00%4.00%1 Jan 2005
Water mains: being lengths of trunk, distribution and reticulation mains within a section, measured from valve to valve that are of the same age and same material (not being in the nature of a repair)80 years2.50%1.25%1 Jan 2005
Water supply control systems assets:
Air scour flow meters, level sensors, transmitters and meters10 years20.00%10.00%1 Jan 2005
Chlorine analysers, mini labs, pH meters, turbidity analysers and meters7 years28.57%14.29%1 Jan 2005
Flow meters20 years10.00%5.00%1 Jan 2005
Pressure sensors, transmitters and meters10 years20.00%10.00%1 Jan 2005
Telemetry (including modems and remote transfer units)10 years20.00%10.00%1 Jan 2005
Variable speed drives (VSDs)15 years13.33%6.67%1 Jan 2005
Water supply pumping station detention tanks80 years2.50%1.25%1 Jan 2005
Water treatment assets:
Balance tanks80 years2.50%1.25%1 Jan 2005
Bore water treatment assets:
Aerators and blowers20 years10.00%5.00%1 Jan 2005
Backwash pumps25 years8.00%4.00%1 Jan 2005
Batching tanks80 years2.50%1.25%1 Jan 2005
Clear water tanks80 years2.50%1.25%1 Jan 2005
Drying beds50 years4.00%2.00%1 Jan 2005
Filtration tanks80 years2.50%1.25%1 Jan 2005
Lime pump sets (incorporating switch boards, starters, motors and pumps)25 years8.00%4.00%1 Jan 2005
Lime silos50 years4.00%2.00%1 Jan 2005
Reactors25 years8.00%4.00%1 Jan 2005
Sludge thickeners50 years4.00%2.00%1 Jan 2005
Chemical blowers15 years13.33%6.67%1 Jan 2005
Chemical dosing systems15 years13.33%6.67%1 Jan 2005
Chemical feeders and hoppers25 years8.00%4.00%1 Jan 2005
Chemical mixers and blenders25 years8.00%4.00%1 Jan 2005
Chemical storage tanks30 years6.67%3.33%1 Jan 2005
Clarifiers (incorporating scrapers)80 years2.50%1.25%1 Jan 2005
Clear water tanks80 years2.50%1.25%1 Jan 2005
Dissolved air flotation systems25 years8.00%4.00%1 Jan 2005
Filtration tanks (incorporating scrapers)80 years2.50%1.25%1 Jan 2005
Flocculation tanks (incorporating scrapers)80 years2.50%1.25%1 Jan 2005
Inline mixers15 years13.33%6.67%1 Jan 2005
Penstocks25 years8.00%4.00%1 Jan 2005
Raw water inlet screening systems25 years8.00%4.00%1 Jan 2005
Sludge treatment lagoons50 years4.00%2.00%1 Jan 2005
Wash water holding tanks80 years2.50%1.25%1 Jan 2005
Sewerage and drainage services:
Chemical dosing pumps25 years8.00%4.00%1 Jan 2005
Dams:
Lined earth dams100 years2.00%1.00%1 Jan 2005
Dam covers20 years10.00%5.00%1 Jan 2005
Effluent outfalls:
Shoreline ocean100 years2.00%1.00%1 Jan 2005
Extended ocean100 years2.00%1.00%1 Jan 2005
River or estuary100 years2.00%1.00%1 Jan 2005
Methane gas and cogeneration assets - see Table A Electricity supply (26110 to 26400) and Gas supply (27000)
Pump sets (incorporating switch boards, starters, motors and pumps)25 years8.00%4.00%1 Jan 2005
Sewage pump station assets:
Detention tanks80 years2.50%1.25%1 Jan 2005
Overflow screens25 years8.00%4.00%1 Jan 2005
Sewage service connection assets:
Low pressure pumps25 years8.00%4.00%1 Jan 2005
Vacuum pumps25 years8.00%4.00%1 Jan 2005
Sewage treatment assets:
Air filtration systems20 years10.00%5.00%1 Jan 2005
Air scrubbers10 years20.00%10.00%1 Jan 2005
Chemical blowers15 years13.33%6.67%1 Jan 2005
Chemical feeders and hoppers25 years8.00%4.00%1 Jan 2005
Chemical mixers and blenders25 years8.00%4.00%1 Jan 2005
Chemical storage tanks30 years6.67%3.33%1 Jan 2005
Grit removal assets25 years8.00%4.00%1 Jan 2005
Penstocks25 years8.00%4.00%1 Jan 2005
Screenings removal assets25 years8.00%4.00%1 Jan 2005
Sludge processing assets:
Anaerobic digesters80 years2.50%1.25%1 Jan 2005
Anaerobic digester gas handling and blowing systems25 years8.00%4.00%1 Jan 2005
Anaerobic digester heating systems25 years8.00%4.00%1 Jan 2005
Bio-filters80 years2.50%1.25%1 Jan 2005
Dissolved air flotation systems25 years8.00%4.00%1 Jan 2005
Lime disinfection dosing units25 years8.00%4.00%1 Jan 2005
Sludge dewatering assets:
Belt presses15 years13.33%6.67%1 Jan 2005
Centrifuges20 years10.00%5.00%1 Jan 2005
Screw conveyors25 years8.00%4.00%1 Jan 2005
Screw presses20 years10.00%5.00%1 Jan 2005
Sludge driers20 years10.00%5.00%1 Jan 2005
Sludge heating units20 years10.00%5.00%1 Jan 2005
Sludge thickening tanks (incorporating scrapers)80 years2.50%1.25%1 Jan 2005
Treatment assets:
Primary treatment assets:
Primary clarifiers (incorporating scrapers)80 years2.50%1.25%1 Jan 2005
Primary sedimentation lagoons50 years4.00%2.00%1 Jan 2005
Primary sedimentation tanks (incorporating scrapers and weirs)80 years2.50%1.25%1 Jan 2005
Scum collection and transfer systems25 years8.00%4.00%1 Jan 2005
Secondary treatment assets:
Biological nutrient removal (BNR) assets:
Aerators and blowers20 years10.00%5.00%1 Jan 2005
BNR tanks (incorporating mixed liquor stream, anoxic, anaerobic and swing zones and diffusers)80 years2.50%1.25%1 Jan 2005
Mixers25 years8.00%4.00%1 Jan 2005
Secondary clarifiers (incorporating scrapers)80 years2.50%1.25%1 Jan 2005
Secondary treatment lagoons50 years4.00%2.00%1 Jan 2005
Secondary treatment tanks (incorporating scrapers and weirs)80 years2.50%1.25%1 Jan 2005
Sequenced batch reactors80 years2.50%1.25%1 Jan 2005
Sludge aerators and blowers80 years2.50%1.25%1 Jan 2005
Tertiary treatment assets:
Backwash air blowers20 years10.00%5.00%1 Jan 2005
Chlorine contact tanks80 years2.50%1.25%1 Jan 2005
Filtration tanks80 years2.50%1.25%1 Jan 2005
Reverse osmosis assets:
Fine screening systems15 years13.33%6.67%1 Jan 2005
Micro filtration units15 years13.33%6.67%1 Jan 2005
Reverse osmosis membrane filtration units10 years20.00%10.00%1 Jan 2005
UV disinfectors25 years8.00%4.00%1 Jan 2005
Water storage tanks80 years2.50%1.25%1 Jan 2005
Sewerage control systems assets:
Chlorine residual analysers and pH meters7 years28.57%14.29%1 Jan 2005
Dissolved oxygen probes, level sensors, transmitters and meters10 years20.00%10.00%1 Jan 2005
Flow meters20 years10.00%5.00%1 Jan 2005
Telemetry (including modems and remote transfer units)10 years20.00%10.00%1 Jan 2005
Variable speed drives (VSDs)15 years13.33%6.67%1 Jan 2005
Sewer mains: Being lengths of collection sewers measured from manhole to manhole (including branch, main, pressure, reticulation, sub-main and trunk sewers) (not being in the nature of a repair)80 years2.50%1.25%1 Jan 2005
Valves:
Generally25 years8.00%4.00%1 Jan 2005
Pressure reducing valves30 years6.67%3.33%1 Jan 2005
Solid waste collection services:
Air compressors and receivers7 years28.57%14.29%1 Jul 2015
Balers7 years28.57%14.29%1 Jul 2015
Bins:
Domestic mobile bins (plastic)10 years20.00%10.00%1 Jul 2015
Industrial mobile rubbish bins (metal)8 years25.00%12.50%1 Jul 2015
Industrial mobile rubbish bins (plastic)5 years40.00%20.00%1 Jul 2015
Metal skips for hire8 years25.00%12.50%1 Jul 2015
Roll-on roll-off containers10 years20.00%10.00%1 Jul 2015
Stationary and portable compactor bins8 years25.00%12.50%1 Jul 2015
Bin delivery vehicle cranes/bin and skip lifters10 years20.00%10.00%1 Jul 2015
Compactors and collection bodies on trucks (including lifting arms)8 years25.00%12.50%1 Jul 2015
Fans10 years20.00%10.00%1 Jul 2015
Forklifts11 years18.18%9.09%1 Jul 2015
Garbage compactor trucks (excluding the compactor)10 years20.00%10.00%1 Jul 2015
Hook lifts on truck body10 years20.00%10.00%1 Jul 2015
Truck hoists20 years10.00%5.00%1 Jul 2015
Washing assets (including pressure washers)4 years50.00%25.00%1 Jul 2015
Waste water treatment systems10 years20.00%10.00%1 Jul 2015
Waste treatment and disposal services:
Transfer stations and landfill operation assets:
Air compressors and receivers7 years28.57%14.29%1 Jul 2015
Balers7 years28.57%14.29%1 Jul 2015
Bins:
Bins generally (including metal bins)7 years28.57%14.29%1 Jul 2015
Compactor bins6 years33.33%16.67%1 Jul 2015
Mobile bins (including rubbish bins)5 years40.00%20.00%1 Jul 2015
Bulk fuel above ground tanks20 years10.00%5.00%1 Jul 2015
Bulldozers and drotts (including landfill compaction assets)5 years40.00%20.00%1 Jul 2015
CCTV and security systems4 years50.00%25.00%1 Jul 2015
Concrete crushing assets15 years13.33%6.67%1 Jul 2015
Dust and odour control assets12 years16.67%8.33%1 Jul 2015
Excavators and front end loaders5 years40.00%20.00%1 Jul 2015
Fans10 years20.00%10.00%1 Jul 2015
Forklifts used in waste handling5 years40.00%20.00%1 Jul 2015
Forklifts not used in waste handling11 years18.18%9.09%1 Jul 2015
Gas capture assets:
Extraction assets (including wells, laterals and headers, and condensate systems)8 years25.00%12.50%1 Jul 2015
Flare skid assets generally (including blowers, monitoring systems and flame arresters, but excluding flare stacks)7 ½ years26.67%13.33%1 Jul 2015
Flare stacks - continuous use15 years13.33%6.67%1 Jul 2015
Flare stacks - standby stacks7 ½ years26.67%13.33%1 Jul 2015
Monitoring systems (excluding wells)5 years40.00%20.00%1 Jul 2015
Off-site monitoring wells15 years13.33%6.67%1 Jul 2015
Green waste mulchers and shredders7 years28.57%14.29%1 Jul 2015
Hoppers7 years28.57%14.29%1 Jul 2015
Push pits15 years13.33%6.67%1 Jul 2015
Sweepers - road sweepers10 years20.00%10.00%1 Jul 2015
Transfer trailers10 years20.00%10.00%1 Jul 2015
Water treatment systems10 years20.00%10.00%1 Jul 2015
Weighbridges15 years13.33%6.67%1 Jul 2015
Waste remediation and materials recovery services:
Materials recovery facility (MRF) assets:
Air compressors and receivers7 years28.57%14.29%1 Jul 2014
Balers7 years28.57%14.29%1 Jul 2014
Ballistic separators10 years20.00%10.00%1 Jul 2014
Bins:
Bins generally (including metal bins)7 years28.57%14.29%1 Jul 2014
Compactor bins6 years33.33%16.67%1 Jul 2014
Mobile bins (including rubbish bins)5 years40.00%20.00%1 Jul 2014
Bunkers10 years20.00%10.00%1 Jul 2014
CCTV and security systems4 years50.00%25.00%1 Jul 2014
Chippers and shredders7 years28.57%14.29%1 Jul 2014
Control systems10 years20.00%10.00%1 Jul 2014
Conveyors and conveyor systems:
Bounce conveyors and feeders10 years20.00%10.00%1 Jul 2014
Conveyors generally ((incorporating belt, drive, motors and supporting structure) including walking floor conveyors)9 years22.22%11.11%1 Jul 2014
Hand sort conveyors10 years20.00%10.00%1 Jul 2014
Door controls and motor drive systems for automatic opening doors (incorporating controls, motors and sensors, but excluding doors)10 years20.00%10.00%1 Jul 2014
Ducted air transfer system assets10 years20.00%10.00%1 Jul 2014
Dust collectors12 years16.67%8.33%1 Jul 2014
Eddy current separators7 years28.57%14.29%1 Jul 2014
Excavators and front end loaders5 years40.00%20.00%1 Jul 2014
Fans10 years20.00%10.00%1 Jul 2014
Feed hoppers (incorporating steel drag chain, conveyor belt, metering feed roller, motor and gearbox)5 years40.00%20.00%1 Jul 2014
Ferrous and magnetic separators10 years20.00%10.00%1 Jul 2014
Food separation and screening assets10 years20.00%10.00%1 Jul 2014
Forklifts5 years40.00%20.00%1 Jul 2014
Glass breakers and crushers6 years33.33%16.67%1 Jul 2014
Hoppers7 years28.57%14.29%1 Jul 2014
Leachate pumps and filters10 years20.00%10.00%1 Jul 2014
Lifting assets (including pallet jacks)10 years20.00%10.00%1 Jul 2014
Optical sorters5 years40.00%20.00%1 Jul 2014
Screen separators10 years20.00%10.00%1 Jul 2014
Sweepers and scrubbers10 years20.00%10.00%1 Jul 2014
Trommels (incorporating wheels, motors and gearboxes):
Fixed7 years28.57%14.29%1 Jul 2014
Portable7 years28.57%14.29%1 Jul 2014
Vacuum extraction and cleaning assets10 years20.00%10.00%1 Jul 2014
Vibrating screen separators10 years20.00%10.00%1 Jul 2014
Waste compactors9 years22.22%11.11%1 Jul 2014
Weighbridges15 years13.33%6.67%1 Jul 2014
TRANSPORT, POSTAL AND WAREHOUSING:
Other warehousing and storage services:
Warehouse and distribution centre equipment and machines:
Waste compactors (used for cardboard and plastic):
Electric15 years13.33%6.67%1 Jul 2011
Hydraulic20 years10.00%5.00%1 Jul 2011
INFORMATION MEDIA AND TELECOMMUNICATIONS:
Motion picture and video activities:
Motion picture film processing assets:
Waste water treatment assets10 years20.00%10.00%1 Jan 2006
OTHER SERVICES:
Automotive repair and maintenance:
Automotive and heavy vehicle repair and maintenance assets:
Oil and grease delivery systems:
Tanks (including waste oil tanks)20 years10.00%5.00%1 Jul 2011
Waste oil evacuators5 years40.00%20.00%1 Jul 2011
Automotive body, paint and interior repair n.e.c.:
Smash repair assets:
Waste water filtering system assets:
Oil and water separators15 years13.33%6.67%1 Jul 2009
Pumps5 years40.00%20.00%1 Jul 2009
Tanks15 years13.33%6.67%1 Jul 2009
Other machinery and equipment repair and maintenance:
Agriculture, construction and mining heavy machinery and equipment repair and maintenance assets:
Workshop assets:
Waste water recovery and treatment assets:
Grease traps10 years20.00%10.00%1 Jul 2015
Pumps5 years40.00%20.00%1 Jul 2015
Tanks and separators15 years13.33%6.67%1 Jul 2015
Laundry and dry cleaning services:
Support assets:
Waste water treatment and recycling system assets:
Filters (including carbon and sand)10 years20.00%10.00%1 Jul 2011
Lint shakers (including circular vibratory screens)20 years10.00%5.00%1 Jul 2011
Ozone generators and UV sterilisers7 years28.57%14.29%1 Jul 2011
Pumps5 years40.00%20.00%1 Jul 2011
Tanks20 years10.00%5.00%1 Jul 2011
Table B
NameEffective LifeDiminishing Value RatePrime Cost RateDate of Application
Motor vehicles and trailers:
Garbage compactor trucks - see Table A Solid waste collection services (29110)
Warehouse and distribution centre equipment and machines:
Waste compactors (used for cardboard and plastic):
Electric15 years13.33%6.67%1 Jul 2011
Hydraulic20 years10.00%5.00%1 Jul 2011
Waste storage and disposal bins (including crane bins, hooklift bins, skip bins and other industrial use bins)10 years20.00%10.00%1 Jul 2016

Disclaimer: While all the effort has been made to make this service as helpful as possible, this is free service and the author makes no warranties regarding the accuracy or completeness to any information on this website.

Source: TR 2022/1