BS 5459-2:1990

Foreword
Committees responsible
Specification
Section one. General
1.1 Scope
1.2 Definitions
1.3 Performance
1.4 Safety of pedestal chairs
1.5 Stability
1.6 Operation
1.7 Seat height adjustment components
1.8 Marking
Section two. Test methods
2.1 General
2.2 Principle
2.3 Apparatus
2.4 Determination of seat and back loading points
2.5 Performance tests
2.6 Test 9: Safety tests for pedestal chairs
2.7 Stability tests
2.8 Operational tests
2.9 Test 17: Type approval tests for seat height
      adjustment components
2.10 Test report
Tables
1. Summary of tests
2. Test 1b: Back static load with flexibility
     assessment
3. Test 4: Seat and back fatigue
4. Test 5: Leg static load
5. Test 7: Back and arm impact
6. Test 8: Drop
7. Test 17: Type approval for seat height adjustment
     components
Figures
1. Loading point template
2. Position of loading point template
3. Loading surface curves for seat and back loading
     point template
4. Seat loading pad (plan and side elevations)
5. Small seat loading pad
6. Back loading pad
7. Impactor
8. Impact hammer
9. Test cones
10. Seat static load test
11. Back static load test with flexibility assessment
12. Arm sideways static load test
13. Arms downwards static load test
14. Seat fatigue test
15. Back fatigue test
16. Leg static load tests
17. Diagonal base test
18. Seat impact test
19. Back impact test
20. Arm impact test
21. Drop test
22. Side to side safety test
23. Fore and aft safety test
24. Suitable linkage arrangement for constraining
     loading pad
25. Forwards overturning and sideways overturning
     tests for chairs without arms
26. Sideways overturning test for armchairs
27. Rearwards overturning test
28. Accidental rearwards overturning test
29. Test for tilting chairs

Test methods and requirements for strength, stability and structural safety of office seating.