Criteria

Dimension

Description

A.  Height

Adjustable Table (with footrest)

Non adjustable Table (with adj. chair & footrest)

Distance from the ground to hand work height for task.

• Precision work

27” to 36”

34”

• Light assembly

22” to 31”

29”

• Manual work

21” to 28”

28”

B.  Display height

Adjustable: 27” to 33”

Fixed: 27”

Distance from seat pan to top of viewable portion of display screen.

C.  Work surface thickness

Maximum of 2”

Thickness of work surface at its largest dimension anywhere the legs may contact

D.  Knee space depth

Minimum of 18”

Distance from front edge of work surface to any obstruction.

E.  Knee space width

Minimum of 21”  Preferred = 24”

Width of area under work surface.

F.  Thigh clearance

Minimum of 8”

Distance from sitting surface to bottom of work surface anywhere the knees may contact.

G.  Distance to work

1” to 4”

Typical distance from front table edge to a comfortable working point.

H. Foot space depth

Minimum of 6”

Depth from front of any obstruction.

I.   Distance to rear of toe clearance

Minimum of 19” to 24”

Depth from front table edge to any obstruction the foot may contact.

J.  Foot space height

Minimum of 6”

Height from foot support surface to the surface the foot may contact.