18-29-417.4.5 Dimensions.

   Single-family shower compartments or stalls shall have at least 1,024 square inches (6606 cm 2 ) outside dimension (O.D.) floor area and shall be at least 32 inches (813 mm) in shortest outside dimension. All other shower compartments or stalls shall have no less than 1,296 square inches (3292 cm 2 ) outside dimension floor area and shall be at least 32 inches (813 mm) in shortest outside dimension.

18-29-417.4.6 Materials.

   Shower walls shall be constructed of durable, smooth, nonabsorbent, noncorrosive, and waterproof materials, such as fiberglass, enameled metal, or plastic sheeting. All shower compartments or stalls shall have a slip resistant floor (bottom) surface.

18-29-417.4.7 Public or institution showers.

   Floors of public shower rooms shall be drained so that no waste water from any bather will pass over areas occupied by other bathers. This shall not prohibit the use of column showers.

18-29-417.5 Shower floor or receptors.

   Floor surfaces or receptors shall comply with the following requirements:

18-29-417.5.1 Support.

   Floors or receptors under shower compartments shall be laid on, and supported by, a smooth and structurally sound base. Support for shower compartments shall comply with the following requirements:

   1.   Plasticized polyvinyl chloride (PVC) sheet shall be a minimum of 0.040 inch (1 mm) thick, and shall meet the requirements of ASTM D4551. Sheets shall be joined by solvent welding in accordance with the manufacturer's instructions.

   2.   Non-plasticized chlorinated polyethylene (PE) sheet shall be a minimum 0.040 inch (1.02 mm) thick.

   3.   Other materials of similar durability and water resistance may be used provided they are approved by the buildings commissioner.

18-29-417.5.2 Deliberately omitted.

18-29-417.6 Glazing.

   Windows and doors within a shower enclosure shall conform to the safety glazing requirements of the building code.