Semi-enclosed Portable Toilet usually constructed of injection molded plastic. Open at the top, modesty panels on 3 sides with a door on the 4th side. Lighter weight and less bulk, generally used on high-rise construction sites where a crane is used to lower the unit for servicing. The port-o-let high rise unit is manufactured by PolyJohn.
Exterior usually constructed of sheet metal, mounted to a trailer with hitch. Interiors vary from functional to elaborate. Number of shower heads per unit varies between manufacturers. Sizes of fresh water reservoirs and grey water holding tanks vary between manufacturers.
Number of shower heads per unit varies. You may get them with 2, 3, 4, 6, 8, 10, 12, 16 and 28 heads. The more heads the larger the unit. Sizes of fresh water reservoirs and grey water holding tanks vary between manufacturers.View Interior and Layout
Injection molded plastic construction. A wash station can have 1, 2 or 4 sinks. Each sink is operated by foot pump and is usually stocked with dispensed soap and paper towels. Fresh water is pumped from one reservoir. Grey water is discharged to a second reservoir. Requires placement where truck can approach to within 25' for servicing.
Stationary reservoir constructed of injection molded plastic. Can hold potable, black and grey water. Standard sizes are 150 gal, 250 gal, 500 gal and 1000 gal. Used in temporary settings such as construction site job trailers. Require placement where truck can approach to within 25' for servicing.
Required in some states. Portable toilets are placed inside tray to collect run-off when servicing. Run-off is then sucked up into service truck.