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Americans with Disabilities Act Side-By-Side Comparison Form


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4.15.4 Controls. Controls shall comply with 4.27.4. Unit controls shall be front mounted or side mounted near the front edge.






4.15.5 Clearances.

(1) Wall  and post mounted cantilevered units shall have a clear knee space between the bottom of the apron and the floor or ground at least 27 in (685 mm) high, 30 in (760 mm) wide, and 17 in to 19 in (430 mm to 485 mm) deep (see Fig. 27(a) and (b)). Such units shall also have a minimum clear floor space 30 in by 48 in (760 mm by 1220 mm) to allow a person in a wheelchair to approach the unit facing forward.

(2) Free standing or built in units not having a clear space under them shall have a clear floor space at least 30 in by 48 in (760 mm by 1220 mm) that allows a person in a wheelchair to make a parallel approach to the unit (see Fig. 27(c) and (d)). This clear floor space shall comply with 4.2.4.
Figure 27 of the ADA Standards. Drinking Fountains and Water Coolers.

27(a) Spout Height and Knee Clearance. The 27 in (685 mm) high minimum clear knee space must be free of equipment or obstructions for a minimum of 8 in (205 mm) extending from the front edge of the fountain back toward the wall. In addition, a minimum 9 in (230 mm) high toe clearance space must be provided extending back toward the wall to a distance no more than 6 in (150 mm) from the back wall. The toe clearance space must be free of equipment or obstructions.






4.16 Water Closets.

4.16.1 General. Accessible water closets shall comply with 4.16.






4.16.2 Clear Floor Space. Clear floor space for water closets not in stalls shall comply with Fig. 28. Clear floor space may be arranged to allow either a left handed or right handed approach.
Figure 28 of the ADA Standards. Clear Floor Space at Water Closets.

For a side or front approach, the water closet must be located along the back wall and the centerline of the water closet must be 18 in (455 mm) from the side wall with the side grab bar.

For a front approach/transfer, there must be a clear floor space at the water closet that is a minimum 48 in (1220 mm) in width (parallel to the back wall) and a minimum of 66 in (1675 mm) in length. If there is no stall, an accessible lavatory may overlap the clear floor space at the back wall as long as a minimum 18 in (455 mm) clearance is maintained between the centerline of the water closet and the nearest edge of the lavatory.

For a side approach/transfer, there must be a clear floor space at the water closet that is a minimum of 48 in (1220 mm) in width (parallel to the back wall) and a minimum of 56 in (1420 mm) in length. If there is no stall, an accessible lavatory may overlap the clear floor space at the back wall as along as a minimum 18 in (455 mm) clearance is maintained between the centerline of the water closet and the nearest edge of the lavatory.

For a forward and side approach or for a lateral transfer, there must be a clear floor space at the water closet that is a minimum of 60 in (1525 mm) in width (parallel to the back wall) and a minimum of 56 in (1420 mm) in length. There must be a clear floor space of 42 in (1066 mm) minimum from the centerline of the water closet to the nearest obstruction/wall. A lavatory may not overlap this clear space.






4.16.3* Height. The height of water closets shall be 17 in to 19 in (430 mm to 485 mm), measured to the top of the toilet seat. Seats shall not be sprung to return to a lifted position.






4.16.4* Grab Bars. Grab bars for water closets not located in stalls shall comply with 4.26 and Fig. 29. The grab bar behind the water closet shall be 36 in (915 mm) minimum.
Figure 29 of the ADA Standards. Grab Bars at Water Closets.

29(a) Back Wall. A 36 in (915 mm) minimum length grab bar, mounted 33-36 in (840-915 mm) above the finish floor, is required behind the water closet. The grab bar must extend at least 12 in (305) from the centerline of the water closet toward the side wall and at least 24 in (610 mm) from the centerline of the water closet toward the open side.

29(b) Side Wall. A 42 in (1065 mm) minimum length grab bar is required on the side wall, spaced a maximum of 12 in (305 mm) from the back wall and extending a minimum of 54 in (1370 mm) from the back wall at a height of 33-36 in (840-915 mm).






4.16.5* Flush Controls. Flush controls shall be hand operated or automatic and shall comply with 4.27.4. Controls for flush valves shall be mounted on the wide side of toilet areas no more than 44 in (1120 mm) above the floor.






4.16.6 Dispensers. Toilet paper dispensers shall be installed within reach, as shown in Fig. 29(b). Dispensers that control delivery, or that do not permit continuous paper flow, shall not be used.
Fig. 29(b) . . .The toilet paper dispenser shall be mounted below the grab bar, at a minimum height of 19 in (485 mm).






4.17 Toilet Stalls.

4.17.1 Location. Accessible toilet stalls shall be on an accessible route and shall meet the requirements of 4.17.

4.17.2 Water Closets. Water closets in accessible stalls shall comply with 4.16.






4.17.3* Size and Arrangement. The size and arrangement of the standard toilet stall shall comply with Fig. 30(a), Standard Stall. Standard toilet stalls with a minimum depth of 56 in (1420 mm) (see Fig. 30(a)) shall have wall mounted water closets. If the depth of a standard toilet stall is increased at least 3 in (75 mm), then a floor mounted water closet may be used. Arrangements shown for standard toilet stalls may be reversed to allow either a left  or right hand approach. Additional stalls shall be provided in conformance with 4.22.4.

EXCEPTION: In instances of alteration work where provision of a standard stall (Fig. 30(a)) is technically infeasible or where plumbing code requirements prevent combining existing stalls to provide space, either alternate stall (Fig. 30(b)) may be provided in lieu of the standard stall.






Figure 30 of the ADA Standards. Toilet Stalls.

30(a) Standard Stall. The minimum width of the stall is 60 in (1525 mm). The centerline of the water closet is 18 in (455 mm) from the side wall. The location of the door is in front of the clear space and diagonal to the water closet, with a maximum stile width of 4 in (100 mm). An alternate door location is permitted to be on the adjacent side of the stall also diagonal to the water closet with a maximum stile width of 4 in (100 mm). The minimum width of the standard stall shall be 60 in (1525 mm). If a wall mounted water closet is used, the depth of the stall is required to be a minimum of 56 in (1420 mm). If a floor mounted water closet is used, the depth of the stall is required to be a minimum of 59 in (1500 mm). A grab bar at least 36 in (965 mm) long shall be located behind the water closet, with one end no further than 6 in (150 mm) from the inside corner of the stall. Another grab bar shall extend at least 52 in (1320 mm) along the side wall, with one end no more than 12 in (305 mm) from the back wall.

30(a-1) Standard Stall (end of row). If a standard stall is provided at the end of a row of stalls, and if the length of the stall is extended at least a minimum of 36 in (915 mm) beyond the required minimum length, the door (if located on the side of the stall) may swing into the stall. Two grab bars are located in the rear and the side of the water closet.






Figure 30 of the ADA Standards.

30(b) Alternate Stalls. Two alternate stalls are permitted; one alternate stall is required to be 36 in (915 mm) wide. The other alternate stall is required to be a minimum of 48 in (1220 mm) wide. In either alternate stall, if a wall mounted water closet is used, the depth of the stall is required to be a minimum of 66 in (1675 mm). If a floor mounted water closet is used, the depth of the stall is required to be a minimum of 69 in (1745 mm). The 36 in (915 mm) wide stall shall have parallel grab bars on the side walls. The 48 in (1220 mm) minimum stall shall have a grab bar behind the water closet and one on the side wall next to the water closet. Grab bars are mounted 33-36 in (840-915 mm) above the finish floor. In both alternate stalls, the centerline of the water closet is 18 in (455 mm) from a side wall. In both alternate stalls, the grab bars along the sides of the water closets shall extend at least 54 in (1370 mm) from the back wall and shall have one end no further than 12 in (305 mm) from the back wall.

30(c) Rear Wall of Standard Stall. Grab bars located behind the water closet shall be at least 36 in (915 mm) in length. All grab bars shall be located 33-36 in (840-915 mm) above the finish floor.

30(d) Side Walls. Side grab bars shall be located 33-36 in (840-915 mm) above the finish floor and shall be no more than 12 in (305 mm) from the rear wall. Grab bars shall be at least 40 in (1015 mm) long or at least 42 in (1065 mm) long for alternate stalls. Water closet seat heights shall be between 17 in (430 mm) and 19 in (485 mm). Toilet paper dispensers shall be below the grab bar and at least 19 in (485 mm) above the floor and no further than 36 in (915 mm) from the rear wall.






4.17.4 Toe Clearances. In standard stalls, the front partition and at least one side partition shall provide a toe clearance of at least 9 in (230 mm) above the floor. If the depth of the stall is greater than 60 in (1525 mm), then the toe clearance is not required.






4.17.5* Doors. Toilet stall doors, including door hardware, shall comply with 4.13. If toilet stall approach is from the latch side of the stall door, clearance between the door side of the stall and any obstruction may be reduced to a minimum of 42 in (1065 mm) (Fig. 30).






4.17.6 Grab Bars. Grab bars complying with the length and positioning shown in Fig. 30(a), (b), (c), and (d) shall be provided. Grab bars may be mounted with any desired method as long as they have a gripping surface at the locations shown and do not obstruct the required clear floor area. Grab bars shall comply with 4.26.






4.18 Urinals.

4.18.1 General. Accessible urinals shall comply with 4.18.






4.18.2 Height. Urinals shall be stall type or wall hung with an elongated rim at a maximum of 17 in (430 mm) above the finish floor.






4.18.3 Clear Floor Space. A clear floor space 30 in by 48 in (760 mm by 1220 mm) shall be provided in front of urinals to allow forward approach. This clear space shall adjoin or overlap an accessible route and shall comply with 4.2.4. Urinal shields that do not extend beyond the front edge of the urinal rim may be provided with 29 in (735 mm) clearance between them.






4.18.4 Flush Controls. Flush controls shall be hand operated or automatic, and shall comply with 4.27.4, and shall be mounted no more than 44 in (1120 mm) above the finish floor.






4.19 Lavatories and Mirrors.

4.19.1 General. The requirements of 4.19 shall apply to lavatory fixtures, vanities, and built in lavatories.






4.19.2 Height and Clearances. Lavatories shall be mounted with the rim or counter surface no higher than 34 in (865 mm) above the finish floor. Provide a clearance of at least 29 in (735 mm) above the finish floor to the bottom of the apron. Knee and toe clearance shall comply with Fig. 31.






Figure 31 of the ADA Standards. Lavatory Clearances.

The minimum knee clearance must be free of equipment or obstructions for a minimum of 8 in (205 mm) extending from the front edge of the lavatory back toward the wall. This knee clearance must be 29 in (735 mm) high at the front of the lavatory and no less than 27 in (685 mm) high at a point 8 in (205 mm) back. In addition, a minimum 9 in (230 mm) high toe clearance must be provided extending back toward the wall to a distance no more than 6 in (150 mm) from the back wall. The toe clearance space must be free of equipment or obstructions.






4.19.3 Clear Floor Space. A clear floor space 30 in by 48 in (760 mm by 1220 mm) complying with 4.2.4 shall be provided in front of a lavatory to allow forward approach. Such clear floor space shall adjoin or overlap an accessible route and shall extend a maximum of 19 in (485 mm) underneath the lavatory (see Fig. 32).






Figure 32 of the ADA Standards. Clear Floor Space at Lavatories.

The minimum depth of the lavatory is 17 in (430 mm).






4.19.4 Exposed Pipes and Surfaces. Hot water and drain pipes under lavatories shall be insulated or otherwise configured to protect against contact. There shall be no sharp or abrasive surfaces under lavatories.






4.19.5 Faucets. Faucets shall comply with 4.27.4. Lever operated, push type, and electronically controlled mechanisms are examples of acceptable designs. If self closing valves are used the faucet shall remain open for at least 10 seconds.






4.19.6* Mirrors. Mirrors shall be mounted with the bottom edge of the reflecting surface no higher than 40 in (1015 mm) above the finish floor (see Fig. 31).






4.20 Bathtubs.

4.20.1 General. Accessible bathtubs shall comply with 4.20.






4.20.2 Floor Space. Clear floor space in front of bathtubs shall be as shown in Fig. 33.
Figure 33 of the ADA Standards. Clear Floor Space at Bathtubs.

33(a) With Seat in Tub. If the approach is parallel to the bathtub, a 30 in (760 mm) minimum width by 60 in (1525 mm) minimum length clear space is required alongside the bathtub. If the approach is perpendicular to the bathtub, a 48 in (1220 mm) minimum width by 60 in (1525 mm) minimum length clear space is required. An accessible lavatory is permitted within the clear space at the foot end of the tub.

33(b) With Seat at Head of Tub. If the approach is parallel to the bathtub, a 30 in (760 mm) minimum width by 75 in (1905 mm) minimum length clear space is required alongside the bathtub. The seat width shall be 15 in (380 mm), measured from the back wall to the front of the seat, and shall extend the full width of the tub. An accessible lavatory is permitted within the clear space at the foot end of the tub.






4.20.3 Seat. An in tub seat or a seat at the head end of the tub shall be provided as shown in Fig. 33 and 34. The structural strength of seats and their attachments shall comply with 4.26.3. Seats shall be mounted securely and shall not slip during use.






4.20.4 Grab Bars. Grab bars complying with 4.26 shall be provided as shown in Fig. 33 and 34.
Figure 34 of the ADA Standards. Grab Bars at Bathtubs.

34(a) With Seat in Tub. At the foot of the tub, the grab bar shall be 24 in (610 mm) minimum in length measured from the outer edge of the tub. On the back wall, two grab bars are required. The grab bars mounted on the back (long) wall shall be a minimum 24 in (610 mm) in length located 12 in (305 mm) maximum from the foot of the tub and 24 in (610 mm) maximum from the head of the tub. One grab bar on the back wall shall be located 9 in (230 mm) above the rim of the tub. The other shall be 33 to 36 in (840 mm to 915 mm) above the bathroom floor. At the head of the tub, the grab bar shall be a minimum of 12 in (305 mm) in length measured from the outer edge of the tub.

34(b) With Seat at Head of Tub. At the foot of the tub, the grab bar shall be a minimum of 24 in (610 mm) in length measured from the outer edge of the tub. On the back wall, two grab bars are required. The grab bars mounted on the back wall shall be a minimum of 48 in (1220 mm) in length located a maximum of 12 in (305 mm) from the foot of the tub and a maximum of 15 in (380 mm) from the head of the tub. Heights of grab bars are as described above. No horizontal grab bar should be placed at the head of the tub.






4.20.5 Controls. Faucets and other controls complying with 4.27.4 shall be located as shown in Fig. 34.
Figure 34 of the ADA Standards. Grab Bars at Bathtubs.

Controls are required to be located in an area between the open edge and the midpoint of the tub ("offset") and to be located at the foot of the tub.






4.20.6 Shower Unit. A shower spray unit with a hose at least 60 in (1525 mm) long that can be used both as a fixed shower head and as a hand held shower shall be provided.






4.20.7 Bathtub Enclosures. If provided, enclosures for bathtubs shall not obstruct controls or transfer from wheelchairs onto bathtub seats or into tubs. Enclosures on bathtubs shall not have tracks mounted on their rims.






4.21 Shower Stalls.

4.21.1* General. Accessible shower stalls shall comply with 4.21.






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 stalls 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.
Figure 35 of the ADA Standards. Shower Size and Clearances.

35(a) 36 in by 36 in (915 mm by 915 mm) Stall (Transfer Shower). The clear floor space shall be a minimum of 48 in (1220 mm) in length by a minimum of 36 in (915 mm) in width and allow for a parallel approach. The clear floor space shall extend 12 in (305 mm) beyond the shower wall on which the seat is mounted.

35(b) 30 in by 60 in (760 mm by 1525 mm) Stall (Roll-in Shower). The clear floor space alongside the shower shall be a minimum of 60 in (1525 mm) in length by a minimum of 36 in (915 mm) in width. If the controls are located on the back (long) wall, they must be a maximum of 27 in (685 mm) from a side wall. An accessible lavatory may be located in the clear floor space at the end of the shower.






4.21.3 Seat. A seat shall be provided in shower stalls 36 in by 36 in (915 mm by 915 mm) and shall be as shown in Fig. 36. The seat shall be mounted 17 in to 19 in (430 mm to 485 mm) from the bathroom floor and shall extend the full depth of the stall. In a 36 in by 36 in (915 mm by 915 mm) shower stall, the seat shall be on the wall opposite the controls. Where a fixed seat is provided in a 30 in by 60 in minimum (760 mm by 1525 mm) shower stall, it shall be a folding type and shall be mounted on the wall adjacent to the controls as shown in Fig. 57. The structural strength of seats and their attachments shall comply with 4.26.3.
Figure 36 of the ADA Standards. Shower Seat Design.

An L-shaped shower seat shall be provided, extending the full depth of the stall. The seat shall be located 1-1/2 in (38 mm) maximum from the wall. The front of the seat (nearest to the opening) shall extend a maximum 16 in (330 mm) from the wall. The back of the seat (against the back wall) shall extend a maximum of 23 in (582 mm) from the side wall and shall be a maximum of 15 in (305 mm) deep.






4.21.4 Grab Bars. Grab bars complying with 4.26 shall be provided as shown in Fig. 37.
Figure 37 of the ADA Standards. Grab Bars at Shower Stalls.

37(a) 36 in by 36 in (915 mm by 915 mm) Transfer Stall. An L-shaped grab bar shall be provided, located along the full depth of the control wall (opposite the seat) and halfway (18 in (455 mm)) along the back wall. The grab bar shall be mounted 33-36 in (840-915 mm) above the shower floor.

37(b) 30 in by 60 in (760 mm by 1525 mm) Roll-in Stall. A U-shaped grab bar that wraps around the stall shall be provided. The grab bar shall be 33-36 in (840-915 mm) high.





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