Urinals reduce contamination from water closet seats and require only 46 cm (18 in.) of width along the wall. Urinals are not required by code in every occupancy type. They are usually substituted for one or more of the required water closets. Many bars and restaurants install urinals in addition to the number of required toilets to accommodate large crowds. The wall-hung type (Fig. 13-4) stays cleaner than the stall type, but tends to be too high for young boys and for men in wheelchairs. Where urinals are provided, the ADA Accessibility Guidelines (ADAAG) requires that a minimum of one of them comply with access requirements: a stall-type urinal or a wall-hung fixture with an elongated rim at a specified maximum height above the floor. Clear front space must be allowed for a front approach.

Although uncommon, urinals can be built into residential walls for pullout use, where they might be a solution to the eternal male/female toilet seat dilemma.

Waterless urinals use a floating layer of a special biodegradable and long-lasting liquid that serves as a barrier to sewer vapors in the trap while still allowing urine to pass.

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