Table 5.25 – Shower Compartments


Current Guidelines:  
4.21.2  Size and Clearances.  Except as specified in 9.1.2, shower stall size and clear floor space shall comply with Fig. 35 (a) or (b).  The shower stall in Fig. 35 (a) shall be 36 in by 36 in (915 mm by 915 mm).  Shower stall required by 9.1.2 shall comply with Fig. 57 (a) or (b).  The shower stall in Fig. 35 (b) will fit into the space required for a bathtub.

[Note:  Figure 35 (b) shows a roll-in shower compartment that is 30 inches wide and 60 inches long minimum and that has no seat.]

9.1.2  Accessible Units, Sleeping Rooms, and Suites.  
. . . In addition, in hotels of 50 or more sleeping rooms or suites, additional accessible sleeping rooms or suites that include a roll-in shower shall also be provided in conformance with the table below.  Such accommodations shall comply with the requirements of 9.2, 4.21, and Figure 57 (a) or (b). . . .

[Note:  Figure 57 (b) shows an alternate roll-in shower compartment that is 36 inches wide and 60 inches long minimum and that has a seat.  There is a 36 inch minimum opening on the long side of the compartment.  The controls are located on the end wall adjacent to the seat.]

4.21.5  Controls.  Faucets and other controls complying with 4.27.4 shall be located as shown in Fig. 37. . . .

[Note:  Figure 37 shows the control area located between 38 inches minimum and 48 inches maximum above the shower floor.]

4.21.7  Curbs.  If provided, curbs in shower stalls 36 in by 36 in (915 mm by 915 mm) shall be no higher than ½ in (13 mm).  Shower stalls that are 30 in by 60 in (760 mm by 1525 mm) minimum shall not have curbs.

Final Revised Guidelines:  
608.1  General.  Shower compartments shall comply with 608.

608.2.1  Transfer Type Shower Compartments.  Transfer type shower compartments shall be 36 inches (915 mm) by 36 inches (915 mm) clear inside dimensions measured at the center points of opposing sides and shall have a 36 inch (915 mm) wide minimum entry on the face of the shower compartment. . . .

608.2.3 Alternate Roll-In Type Shower Compartments.  Alternate roll-in type shower compartments shall be 36 inches (915 mm) wide and 60 inches (1220 mm) deep minimum clear inside dimensions measured at center points of opposing sides.  A 36 inch (915 mm) wide minimum entry shall be provided at one end of the long side of the compartment.

608.4  Seats.  A folding or non-folding seat shall be provided in transfer type shower compartments.  A folding seat shall be provided in roll-in showers required in transient lodging guest rooms required to provide mobility features complying with 806.2. . . .

608.5.3  Alternate Roll-In Type Shower Compartments.  In alternate roll-in type shower compartments, the controls, faucets, and shower spray unit shall be located above the grab bar, but no higher than 48 inches (1220 mm) above the shower floor.  Where a seat is provided, the controls, faucets, and shower spray unit shall be located on the side wall adjacent to the seat 27 inches (685 mm) maximum from the side wall behind the seat or shall be located on the back wall opposite the seat 15 inches (380 mm) maximum, left or right, of the centerline of the seat.  Where a seat is not provided, the controls, faucets, and shower spray unit shall be installed on the side wall farthest from the compartment entry.

608.7  Thresholds.  Thresholds in roll-in type shower compartments shall be ½ inch (13 mm) high maximum in accordance with 303.  In transfer type shower compartments, thresholds ½ inch (13 mm) high maximum shall be beveled, rounded, or vertical.
Exception:  A threshold 2 inches (51 mm) high maximum shall be permitted in transfer type shower compartments in existing facilities where provision of a ½ inch (13 mm) high threshold would disturb the structural reinforcement of the floor slab.
Model Codes & Standards
ICC/ANSI A117.1-1998:  Sections 608.2 through 608.7 have similar requirements for shower compartments.