Single-axle trailer versions are the easiest to manoeuvre and they are usually quite lightweight – most twin shower units weigh between 900kg and 1500kg. Once sited, apply the handbrake, wind down the stabilising legs, and level the unit.
“Self-Contained” decontamination units carry their own water supply and on-board generator. Turn on the LPG water-heater, switch on the generator, and connect the waste-water filtration system between the trailer and the waste disposal point.
Then turn on the internal lighting, space heating, negative pressure air filtration system (NPU), and shower & waste pumps. You’re now ready to use the decontamination unit.
It’s worth knowing about two variations of the above: