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What's the main difference between a high-rise unit and a regular one besides the lift?

Hector V.asked 0 viewsUnit Types & FeaturesHigh rise unitStandard unitHolding tankPlacementConstruction

My GC just ordered a high-rise unit for the 12th floor of our project. I've handled plenty of standard units on the ground, but this is my first time with one going up the elevator. I know the external lift frame is obvious, but I'm wondering about the internal differences. Does it have a smaller holding tank to save weight? Is the structure reinforced? What about the venting or odor control setup? I need to prep my crew for any quirks when it arrives next week.

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Porta Potty Forum Team moderatorUnited States

A high-rise unit is structurally reinforced with a steel frame and has a smaller holding tank, typically 30 to 40 gallons, to reduce weight for elevator transport. The internal differences include a lower-profile design, often a few inches shorter in height, and a reinforced floor and walls to withstand movement and stacking. Venting and odor control are identical to a standard unit, using a vent stack and standard deodorizer. Your crew should expect a heavier unit due to the frame, require careful handling to avoid door or hinge damage during transit, and plan for more frequent service due to the reduced tank capacity. Service frequency may increase to twice weekly on active floors, as the smaller tank fills faster. No special prep is needed for odor or ventilation beyond normal use.

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