BSEN16139-2013(16)

BS EN 16139:2013EN 16139:2013 (E)

Annex C (informative)

Dimensional requirements for office visitor chairs

C.1 General

The dimensions in this standard are based on the conflicting requirements of anthropometric measurements, mechanical design, subjective preference and other factors.

C.2 Dimensional requirements

C.2.1 Seat height [a]

Fixed seat height: between 400 mm and 500 mm.

Adjustable seat height: minimum range from 420 mm to 480 mm.

C.2.2 Seat depth [b]

Seat depth: between 380 mm and 470 mm.

C.2.3 Seat width [d]

Seat width: minimum 400 mm.

C.2.4 Distance between arm rests [r]

Distance between arm rests: minimum 460 mm.

C.3 Determination of reference points

C.3.1 Point “A”

For swivelling chairs, point “A” should be determined in accordance with EN 1335-1:2000, 5.1. For all other types, point “A” is the seat loading point determined in accordance with EN 1022.

C.3.2 Back supporting point “S”

The back supporting point “S” should be determined in accordance with EN 1335-1:2000, 5.2.

C.4 Determination of dimensions

C.4.1 Seat height [a]

The seat height [a] should be determined in accordance with EN 1335-1:2000, 6.1.

14