Water Needs on the Fireground

The following data is based on equations from:
"Safe and Productive Bushfire Fighting with handtools"
by Budd, Brotherhood, Hendrie, Cheney & Dawson. Australian Government Publishing Service, 1996

Strenuous Activity Away from Fire

		AIR TEMPERATURE (°)
BODY WEIGHT (kg)	Litres/Hour	20	25	30	35	45
	50	0.32	0.5	0.68	0.86	1.04
	60	0.5	0.68	0.86	1.04	1.22
	70	0.68	0.86	1.04	1.22	1.4
	80	0.86	1.04	1.22	1.4	1.58
	90	1.04	1.22	1.4	1.58	1.76
	100	1.22	1.4	1.58	1.76	1.94

Moderate Activity Away from Fire

		AIR TEMPERATURE (°)
BODY WEIGHT (kg)	Litres/Hour	20	25	30	35	45
	50	-0.02	0.14	0.29	0.45	0.6
	60	0.02	0.18	0.33	0.49	0.64
	70	0.06	0.22	0.37	0.53	0.68
	80	0.1	0.26	0.41	0.57	0.72
	90	0.14	0.3	0.45	0.61	0.76
	100	0.18	0.34	0.49	0.65	0.8

Light Activity Away from Fire

		AIR TEMPERATURE (°)
BODY WEIGHT (kg)	Litres/Hour	20	25	30	35	45
	50	0.04	0.11	0.18	0.25	0.32
	60	0.08	0.15	0.22	0.29	0.36
	70	0.12	0.19	0.26	0.33	0.4
	80	0.16	0.23	0.3	0.37	0.44
	90	0.2	0.27	0.34	0.41	0.48
	100	0.24	0.31	0.38	0.45	0.52

Strenuous Activity Beside Fire

		AIR TEMPERATURE (°)
BODY WEIGHT (kg)	Litres/Hour	20	25	30	35	45
	50	0.67	0.85	1.03	1.21	1.39
	60	0.85	1.03	1.21	1.39	1.57
	70	1.03	1.21	1.39	1.57	1.75
	80	1.21	1.39	1.57	1.75	1.93
	90	1.39	1.57	1.75	1.93	2.11
	100	1.57	1.75	1.93	2.11	2.29

Moderate Activity Beside Fire

		AIR TEMPERATURE (°)
BODY WEIGHT (kg)	Litres/Hour	20	25	30	35	45
	50	0.18	0.33	0.49	0.64	0.8
	60	0.22	0.37	0.53	0.68	0.84
	70	0.26	0.41	0.57	0.72	0.88
	80	0.3	0.45	0.61	0.76	0.92
	90	0.34	0.49	0.65	0.8	0.96
	100	0.38	0.53	0.69	0.84	1.0