Both transfer showers which are not large enough for a wheelchair and roll in showers which are are required to have horizontal bars on two walls at least.
Ada shower grab bar requirements 2018.
The showerhead wall must also have a vertical bar on a transfer type shower.
Grab bars need to be mounted lower for better leverage 33 36 840 915 mm high.
Grab bar code requirements are included in the standard ansii icc a117 1 of the international code council.
General grab bar requirements.
Toilets need to have horizontal bars behind and next to them and a vertical bar in front.
Grab bars must be installed between 34 and 38 inches above the floor and there must be a separation between the grab bar and the wall surface of at least 1 1 2 inches.
The bar must be 1 1 4 to 1 1 2 inches in diameter.
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.
A a b b 36 max 915 mm 48 max 1220 mm.
Vertical grab bars are not yet covered in the ada guidelines however ansi specifies the dimensions shown in the diagram.
609 2 2 non circular cross section.
The controls shall be placed in an area between 38 48 inches 965 1220 mm above the floor.
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.
Horizontal side wall grab bars need to be 42 1065 mm minimum length.
Grab bars in toilet stall requirements.
Side wall the side wall grab bar shall be 42 inches 1065 mm long minimum located 12 inches 305 mm maximum.
The grab bar or bars shall be 33 36 inches 840 915 mm high.
Grab bars with circular cross sections shall have an outside diameter of 1 1 4 inches 32 mm minimum and 2 inches 51 mm maximum.
An ada compliant grab bar handrail must be fully anchored and have a smooth surface that can be easily grabbed.
Grab bars with non circular cross sections shall have a cross section dimension of 2 inches 51 mm maximum and a perimeter dimension of 4 inches 100 mm minimum and 4 8 inches 120 mm maximum.
Ada grab bar requirements for shower stalls bath tubs and toilet stalls consult manufacturer s installation instructions for proper installation of specific product.
30 a b c and d except that grab bars shall be mounted 18 in minimum to 27 in maximum 455 mm to 685 mm above the finish floor measured to the grab bar centerline.
Firstly they have to be horizontal and a grippable size for a variety of people.
A summary of these requirements is below.
Circular ada approved grab bars have diameters of 1 2 inches and bars that are not circular have to have a cross section of 2 inches and a radius around the bar of 4 4 8 inches.
Grab bars no matter whether they are for a toilet a shower or a bathtub have specific requirements that must be met.
Controls shall be located on the back long wall 27 inches 685 mm from the side wall.