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.
Shower grab bar heights.
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.
The controls and spray unit shall be within 18 inches 455 mm of the front of the shower.
Generally grab bars should be installed at whatever height is most appropriate for their primary user.
For horizontal grab bars the ada standards require a height between 33 and 36 inches from the finished floor of the bathroom shower or tub.
Grab bars shall not be provided above the seat.
The grab bar s shall be mounted 33 36 inches 840 915 mm above the shower floor measured at the entry.
However ada standards recommend that rear grab bars be installed at the height of between 33 and 36 inches above the finished floor of the tub shower or bathroom.
This is a good starting range.
But i would strongly recommend to take into consideration the height and physical capabilities of the person you are installing these grab bars for.
Ada accessible bathrooms for kids should have grab bars at heights of 18 27 inches depending on the primary age group using the bathroom.
In a transfer shower the bottom of the vertical bar must be 3 to 6 inches above the horizontal bar on that wall.
The controls shall be placed in an area between 38 48 inches 965 1220 mm above the floor.
In toilets and showers the tops of horizontal grab bars need to be 33 to 36 inches from the floor.
Grab bars shall be installed 6 inches 150 mm maximum from adjacent walls.
Typically grab bars in the shower should be installed 33 to 36 inches from the floor of the bathroom this is according to ada americans with disabilities act standards.
The grab bar must extend at least 12 inches 305 mm from the centerline of the water closet toward the side wall and at least 24 inches 610 mm from the centerline of the water closet toward the open side.
For 3 and 4 year olds bars should be 18 20 inches from the floor for 5 to 8 year olds bars should be 20 25 inches and for 9 to 12 year olds grab bars should be 25 27 inches.