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ADA Requirements (Americans with Disabilities Act)
This information is taken from the U.S. Department of Justice ADA STANDARDS FOR ACCESSIBLE DESIGN publication. You may download the entire book or look below for the specific information regarding handrails, grab bars, and tub and shower seats.


Department of Justice Seal

U.S. Department of Justice

2010 ADA STANDARDS FOR ACCESSIBLE DESIGN

ADA Standards

As published in the Title III regulations (28 CFR Part 36, revised July 1, 1994)
issued by the Department of Justice. The ADA Standards for Accessible Design are in Appendix A of the Title III Regulations.


bullet ADA Standards for Accessible Design











Instructions for requirements can be found on pages 50 and 51 of the above publication.
For your convenience we have quoted the information about installation of
handrails, grab bars, tub and shower seats here.


4.26 Handrails, Grab Bars, and Tub and Shower Seats.

4.26.1* General. All handrails, grab bars, and tub and shower seats required to be accessible by 4.1, 4.8 (ramps), 4.9 (stairs), 4.16 (water closets), 4.17 (toilet stalls), 4.20 (bathtubs) or 4.21 (shower stalls) shall comply with 4.26.

4.26.2* Size and Spacing of Grab Bars and Handrails. The diameter or width of the gripping surfaces of a handrail or grab bar shall be 1-1/4 in. to 1-1/2 in. (32 mm to 38 mm), or the shape shall provide an equivalent gripping surface. If handrails or grab bars are mounted adjacent to a wall, the space between the wall and the grab bar shall be 1-1/2 in. (38 mm) (see Fig. 39(a), (b), (c), and (e)). Handrails may be located in a recess if the recess is a maximum of 3 in. (75 mm) deep and extends at least 18 in. (455 mm) above the top of the rail (see Fig. 39(d)).

4.26.3 Structural Strength. The structural strength of grab bars, tub and shower seats, fasteners, and mounting devices shall meet the following specification:
  1. Bending stress in a grab bar or seat induced by the maximum bending moment from the application of 250 lbf (1112N) shall be less than the allowable stress for the material of the grab bar or seat.
  2. Shear stress induced in a grab bar or seat by the application of 250 lbf (1112N) shall be less than the allowable shear stress for the material of the grab bar or seat. If the connection between the grab bar or seat and its mounting bracket or other support is considered to be fully restrained, then direct and torsional shear stresses shall be totaled for the combined shear stress, which shall not exceed the allowable shear stress.
  3. Shear force induced in a fastener or mounting device from the application of 250 lbf (1112N) shall be less than the allowable lateral load of either the fastener or mounting device or the supporting structure, whichever is the smaller allowable load.
  4. Tensile force induced in a fastener by a direct tension force of 250 lbf (1112N) shall be less than the allowable withdrawal load between the fastener and the supporting structure.
  5. Grab bars shall not rotate within their fittings.
4.26.4 Eliminating Hazards. A handrail or grab bar and any wall or other surface adjacent to it shall be free of any sharp or abrasive elements. Edges shall have a minimum radius of 1/8 in. (3.2 mm).



- ADA Toilet Grab Bar Specification-

GRAB BARS LOCATION - TYPICAL TOILET / WATER CLOSET NOT IN A STALL:

In order to comply with the specifications reach range, the toilet must be 16" - 18" to an adjacent side wall or partition. The sidewall must be a minimum length of 54". If flush controls are not automatic, they must be located on the wide, open side of the toilet.

The outside diameter gripping surface of the handrail or grab bar must be 1-1/4" to 1-1/2", or the shape must provide an equivalent gripping surface. If handrails or grab bars are mounted adjacent to a wall, the space between the wall and the grab bar must be 1-1/2". The grab bars must be mounted between 33" and 36" above the floor.

ADA grab bar location rear wall. ADA grab bar location side wall.

Rear Grab Bar: ADA compliant grab bars must be mounted 33"- 36" above the floor. If the toilet is not in a stall, the rear wall grab bar must be at least 36" long with the end closer to the side wall mounted at least 12" from the centerline of the toilet and extend at least 24" on the transfer side.

Side Grab Bar: The side bar must be at least 42" long and mounted a maximum 12" from the back wall. The end of the grab bar must extend a minimum of 54" from the back wall.

Our 1-1/4" and 1-1/2" heavy duty grab bars exceed all ADA requirements for commercial buildings and public places. We also have ADA compliant wall to floor and post mounted swing up grab bars.(A solution when side wall doesn't meet code).

Note: This information is provided as informal guidance, and is not a determination of your legal rights nor your responsibilities under the ADA or any other law. We strongly suggest that you meet with your local building officials and discus your project before it begins.

Grab Bars in Shower Stall Requirements

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. Clearance of 36 inches (915 mm) wide minimum by 48 inches (1220 mm) long minimum measured from the control wall shall be provided.

ADA requirements for shower stalls

Standard Roll-In Type Shower Compartments - Standard roll-in type shower compartments shall be 30 inches (760 mm) wide minimum by 60 inches (1525 mm) deep minimum clear inside dimensions measured at center points of opposing sides and shall have a 60 inches (1525 mm) wide minimum entry on the face of the shower compartment.

608.2.2.1 Clearance. A 30 inch (760 mm) wide minimum by 60 inch (1525 mm) long minimum clearance shall be provided adjacent to the open face of the shower compartment.

EXCEPTION: A lavatory complying with 606 shall be permitted on one 30 inch (760 mm) wide minimum side of the clearance provided that it is not on the side of the clearance adjacent to the controls or, where provided, not on the side of the clearance adjacent to the shower seat.

ADA Shower Stall - Standard Roll In Accessibility

Alternate Roll-In Type Shower Compartments - Alternate roll-in type shower compartments shall be 36 inches (915 mm) wide and 60 inches (1525 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.

ADA Grab Bar Requirements in Alternate Roll In Shower Stall


608.3 Grab Bars - Grab bars shall comply with 609 and shall be provided in accordance with 608.3. Where multiple grab bars are used, required horizontal grab bars shall be installed at the same height above the finish floor.

EXCEPTIONS:

1. Grab bars shall not be required to be installed in a shower located in a bathing facility for a single occupant accessed only through a private office, and not for common use or public use provided that reinforcement has been installed in walls and located so as to permit the installation of grab bars complying with 608.3.

2. In residential dwelling units, grab bars shall not be required to be installed in showers located in bathing facilities provided that reinforcement has been installed in walls and located so as to permit the installation of grab bars complying with 608.3.

Transfer Type Shower Compartments - In transfer type compartments, grab bars shall be provided across the control wall and back wall to a point 18 inches (455 mm) from the control wall.

 

Plan view shows a grab bar that extends across the control wall and the back wall to a point 18 inches (455 mm) from the control wall.  

Figure 608.3.1 Grab Bars for Transfer Type Showers

Standard Roll-In Type Shower Compartments - Where a seat is provided in standard roll-in type shower compartments, grab bars shall be provided on the back wall and the side wall opposite the seat. Grab bars shall not be provided above the seat. Where a seat is not provided in standard roll-in type shower compartments, grab bars shall be provided on three walls. Grab bars shall be installed 6 inches (150 mm) maximum from adjacent walls.
 

Figure (a) is a plan view of a shower without a seat.  Grab bars are provided on three walls that are 6 inches (150 mm) maximum from the adjacent wall.  Figure (b) is a plan view of a shower with a seat on one side wall.  Grab bars are provided on the opposite side wall and the back wall.  The back wall grab bar does not extend over the seat.  The grab bars are 6 inches (150 mm) maximum from the adjacent wall.   

Figure 608.3.2 Grab Bars for Standard Roll-In Type Showers

Alternate Roll-In Type Shower Compartments - In alternate roll-in type shower compartments, grab bars shall be provided on the back wall and the side wall farthest from the compartment entry. Grab bars shall not be provided above the seat. Grab bars shall be installed 6 inches (150 mm) maximum from adjacent walls.
 

This figure shows an alternate roll-in shower with a seat.  A grab bar extends on the wall opposite the seat and is 6 inches (150 mm) maximum from adjacent walls.  Another grab bar is mounted on the side wall adjacent to the seat; this grab bar does not extend over the seat and is 6 inches (150 mm) maximum from the back wall.  

Figure 608.3.3 Grab Bars for Alternate Roll-In Type Showers

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 type showers required in transient lodging guest rooms with mobility features complying with 806.2. Seats shall comply with 610.

Grab Bars in Tub Requirements

Bathtubs With Permanent Seats

Back Wall. Two grab bars shall be installed on the back wall, one located in accordance with 609.4 and the other located 8 inches (205 mm) minimum and 10 inches (255 mm) maximum above the rim of the bathtub. Each grab bar shall be installed 15 inches (380 mm) maximum from the head end wall and 12 inches (305 mm) maximum from the control end wall.

Control End Wall. A grab bar 24 inches (610 mm) long minimum shall be installed on the control end wall at the front edge of the bathtub.

Figure (a) shows an elevation drawing of a tub with a permanent seat and two parallel grab bars on the back wall.  The upper grab bar is mounted 33 to 36 inches (840 to 915 mm) above the finish floor.  The lower grab bar is mounted 8 to 10 inches (205 to 255 mm) above the tub rim.  Figure (b) is a plan view.  A grab bar on the foot end wall is 24 inches (610 mm) long minimum and is installed at the front edge of the tub.  The rear grab bars are mounted 12 inches (305 mm) maximum from the foot end wall and 15 inches (380 mm) maximum from the head end wall.  

Figure 607.4.1 Grab Bars for Bathtubs with Permanent Seats

Bathtubs Without Permanent Seats

Back Wall. Two grab bars shall be installed on the back wall, one located in accordance with 609.4 and other located 8 inches (205 mm) minimum and 10 inches (255 mm) maximum above the rim of the bathtub. Each grab bar shall be 24 inches (610 mm) long minimum and shall be installed 24 inches (610 mm) maximum from the head end wall and 12 inches (305 mm) maximum from the control end wall.

Control End Wall. A grab bar 24 inches (610 mm) long minimum shall be installed on the control end wall at the front edge of the bathtub.

Head End Wall. A grab bar 12 inches (305 mm) long minimum shall be installed on the head end wall at the front edge of the bathtub.
 

Figure (a) is an elevation drawing showing rear grab bars, one mounted 33 to 36 inches (840 to 915 mm) above the finish floor, and one mounted 8 to 10 inches (205 to 255 mm) above the tub rim.  Figure (b) is a plan view showing a grab bar on the foot (control) end wall 24 inches (610 mm) long minimum installed at the front edge of the tub.  Rear grab bars are 24 inches (610 mm) long minimum and are mounted 12 inches (305 mm) maximum from the foot (control) end wall and 24 inches (610 mm) maximum from the head end wall.  A grab bar 12 inches (305 mm) long minimum is installed on the head end wall at the front edge of the tub.  

Figure 607.4.2 Grab Bars for Bathtubs with Removable In-Tub Seats

Controls. Controls, other than drain stoppers, shall be located on an end wall. Controls shall be between the bathtub rim and grab bar, and between the open side of the bathtub and the centerline of the width of the bathtub. Controls shall comply with 309.4.
 

Elevation drawing shows the location of controls above the tub rim and below the grab bar and between the front edge of the tub and the tub centerline.  

Figure 607.5 Bathtub Control Location


ADA approved American disabilities act