Operational Specification for festival solar showers

Note: all data refers to a 4 Unit Rig (4 Shower Tents + 4 Outside Cubicles) shower rig. For a 2 Unit (2 Shower Tents + 2 Outside Cubicles) ½ quantities below.


Number of showers per 12 hr day at full capacity           500
Fresh water consumption per 12 hr day 10,000Lt/10 cubic m
Grey water disposal per 12 hr day 10,000Lt/10 cubic m
Minimum water supply pressure 0.25 bar (3.5psi)
Minimum flow rate 5Lt per min
Reserve water storage capacity 6000Lt/6 cubic m (1/2 day+)
Reserve battery capacity 5 days at full capacity
Normal operating temperature typically = 342°C
Maximum operating temperature typically = 50°C
Minimum operating temperature typically = 38°C
Firewood supply required per 2.5 day event 1000Kgs/ 1 Tonne

Temperature control/adjustment by shower mixer valve and master thermostatic valve.




The Big Green Idea