BS ISO 7176-24:2004

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Performance requirements
5 Test apparatus
6 Preparation of the stair-climbing device
7 Test conditions
8 Skew angle
9 Braking effectiveness
10 Static stability
11 Dynamic Stability
12 Step transition safety
13 Static, impact and fatigue strength
14 Climatic safety
15 Electromagnetic compatibility
16 Required safety equipment
17 Test report
18 Labelling and documentation
Annex A (normative) Types of stair-climbing devices with
        typical representations
Annex B (informative) Recommended safety equipment
Annex C (normative) Surrogate wheelchair
Annex D (normative) Determination of maximum recommended speed
Annex E (normative) Configuration and position of stair-climbing
        devices for stability tests
Annex F (normative) Escalator test machine
Annex G (normative) Determination of outer dimensions and
        operating area
Annex H (normative) Determination of theoretical energy consumption
Annex I (normative) Distinction between smaller and larger clusters

Pertains to user-operated stair-climbing chairs and user-operated stair-climbing wheelchair carriers where the stair-climbing device climbs backwards up the stairs, with the user facing downstairs, and climbs down the stairs in a forward position with the user facing downstairs.