Ergonomic mounting advice

Guidelines for the installation of products in
sanitary facilities

Hinged and fixed arm supports 

Sturdy arm supports on both sides of toilet 1symmetrical support

Protrudes beyond the front of the toilet and the shower seat 2200 mm

Height of arm supports (on both sides) above toilet and/or
shower seat 2
min 250 mm, max 300 mm

Distance between top of arm supports and surface of floor 3750 mm

Distance between inside of arm supports and side wall 2≥ 350 mm

Distance between centre of toilet and/or shower seat and
arm supports 1
350 mm

Distance between arm supports 1700 mm

Walls suitable for installation of sturdy arm supports 1 

Arm supports can be grasped firmly 1 

Essential components are sturdy and robust 1 

 


Toilets 

Distance between centre of toilet and side wall 1≥ 550 mm

Height of backrest above toilet (measured from toilet
seat to bottom of backrest) 3
min 230 mm, max 300 mm

 

Shower seats (wall mounted) and commode / shower chairs 

Seat height (= top of shower seat from surface of floor) 1min value 400 mm,
average value 470 mm,
max value 540 mm

Distance between centre of shower seat and side wall
(corner installations) 1
550 mm

Seat depth 1between 400 – 450 mm

Seat area, width x length 1700 x 900 mm

Free space next to shower seat on both sides, minimum 1350 x 1200 mm

Free space next to shower seat for sideways transfers and care, minimum 1 side 1900 x 1200 mm

Free space at front of shower seat 2≥ 1200 x 1200 mm

Standard shower area, preferably sloping towards drainage 1900 x 900 mm

Support: sturdy armrests, distance above seat 1200 – 330 mm

Support: distance between armrests approx. 1500 mm

 

Grab rails, horizontally installed 

Horizontal surface, rail height (above floor or stairs) 1between 850 – 900 mm

Height of second rail (above floor or stairs) 1600 mm

Hand must be able to hold onto rail easily, space around rail 1≥ 50 mm

Hand must be able to move along the rail easily 1 

Horizontal rail in combination with Click-On frame for
shower seat (centre of tube) 3
920 mm

 

Grab rails (and shower rail where appropriate), vertically installed

Distance to side wall 2≥ 50 mm

Reach envelope, height 1average value 400 – 1350 mm,
max value 1800 mm

Grab rail as shower rail, length 2≥ 1000 mm

Height of shower head on shower rail from surface of floor 1min 950 mm, max 2200 mm

 

Grab rails, diagonally installed

Installation at an angle of 45 degrees 3 

Grip point is at the bottom corner,
within comfortable reach of the user 1
average value 400 – 1350 mm,
max value 1800 mm


Definitions:

Minimum value 1 = minimum value for shorter users
Average value 1 = average value or preferred value for shared use
Maximum value 1 = maximum value for taller users
Critical value 1 = recommended range, limit values

Grab rails (and shower rail where appropriate), vertically installed

Walls suitable for installation of sturdy grab rails / arm supports 1 

Form and function: component can be identified by touch 1 

Essential components are sturdy, robust and can be grasped firmly 1 

Distance from an internal angle (in the shower, outside
shower spray) 1
≥ 500 - 550 mm

Height of components (e.g. shower tap) above surface of floor 1optimum value 1050 mm,
average value 900 – 1200 mm
critical value 400 – 1350 mm,
max value 1800 mm

Height of alarm cord, round at wall, above surface of floor 2400 mm

(Grab) rail over full width of door, height from surface of floor 2900 mm

 

Washbasin adjustment system and washbasin rails

Height for use when sitting, measured from surface of
floor to top of tube 1
min value 620 mm,
average value 700 mm,
max value
820 mm

To accommodate wheelchair users 1820 mm

 

Shower stretchers and trolleys

Height for standing carer, measured from surface of
floor to lying surface 1
min value 800 mm,
average value 1000 mm,
max value
1250 mm

 

Mirrors

Height of mirror from surface of floor, standing 1min 1050 mm, max 1950 mm

Height of mirror from surface of floor, sitting 2min 600 mm, max 1450 mm

 

Space required in bathrooms and toilets

Transfer space 
In front of and beside toilets and (area for possible) shower seat 1≥ 900 x 1200 mm

With assistance, on one side of toilet 1≥ 900 x 1800 mm

With assistance, on other side of toilet 1≥ 900 x 1200 mm

With lift 2≥ 900 x 1200 mm

Visitor’s toilet in dwelling, free corridor width 1≥ 1100 mm

Walking space between sanitary items such as toilet, washbasin and shower area 1≥ 900 mm

Turning space/turning circle 1≥ 1500 x 1500 mm

Standing space for wheelchair, (partially) under washbasin 1,2≥ 900 x 1200 mm
  
Sitting space 
Distance from backrest 2≥ 850 mm

Sitting space, including backrest, width x length 1,2≥ 700 x 900 mm

Sitting space, wheelchair user, width x length 2≥ 900 x 1200 mm

Leg room, height x width x depth 1≥ 600 x ≥ 600 x 600 mm

Foot space, height x depth 1≥ 200 x ≥ 800 mm


Definitions:

Minimum value 1 = minimum value for shorter users
Average value 1 = average value or preferred value for shared use
Maximum value 1 = maximum value for taller users
Critical value 1 = recommended range, limit values

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