Drainage Asset Useful Lives

Drainage Asset Useful Lives - The useful life of most stormwater drainage assets will depend on a range of environmental factors. The estimated useful lives given below which have been extracted from the Assetic Asset Management System are best guess averages.

Asset Sub-classpixel.png Useful Life Average RUL Annual Depreciation
Absorption Trenches 80 years 62.4 years $4,819.00
Causeways 80 years 44.8 years $31.34
Gravity Pipes 80 years 51.4 years $1,053,550.41
Lagoons 80 years 20 years $3.00
Low Flow Pipes 80 years 28.2 years $1,314.00
Natural Channels 80 years 35 years $160.00
Open Channels 80 years 60.4 years $17,784.88
Retention Basins 80 years 62 years $115,049.41
Road Culverts 80 years 50.2 years $91,076.35
Asset Sub-classpixel.png Useful Life Average RUL Annual Depreciation
Stormwater Pits 80 years 65.0 years $251,790
Headwalls 80 years 46.0 years $62,734.21
GPTs 80 years 72.5 years $776.2
Channels 80 years 53.4 years $1,674.40
Flood Devices 80 years 72.0 years $7,908.75
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