BS 5873-2:1991

Superseded

View Superseded by

Educational furniture Specification for strength and stability of chairs for educational institutions

Available format(s)

Hardcopy , PDF

Superseded date

31-01-2007

Language(s)

English

Published date

30-04-1991

Publisher

British Standards Institution

Committees responsible
Foreword
Specification
1. Scope
2. Definitions
3. Force-application devices
4. Strength tests
5. Stability tests
6. Marking
Appendices
A. Co-ordination of tests with BS 4875: Part 1
B. Seat static load test (Test 1a)
C. Back static load test (Test 1b)
D. Seat fatigue load test (Test 2a)
E. Back fatigue load test (Test 2b)
F. Tipping forward on one front leg test (Test 3)
G. Seat impact test (Test 4)
H. Back impact test (Test 5)
J. Chair drop test (Test 6)
K. Seat shell impact and frame detachment tests (Test 7)
L. Ferrule test (Test 8)
M. Footrail test (Test 9)
N. Stability tests (Tests 10a and 10b)
Tables
1. Summary of strength tests
2. Equivalence to BS 4875: Part 1
3. Seat loads and overturning forces
Figures
1. Illustration of a linkage arrangement for
constraining seat loading pad
2. Seat static load test (Test 1a)
3. Back static load test (Test 1b)
4. Seat fatigue load test (Test 2a)
5. Back fatigue load test (Test 2b)
6. Seat impact test (Test 4)
7. Back impact test (Test 5)
8. Chair drop test (Test 6)
9. Impact test to top corner of back (Test 7a)
10. Impact test to top of back (Test 7b)
11. Impact test to rear face of back (Test 7c)
12. Impact test to front corner of seat (Test 7d)
13. Forwards overbalancing and sideways overbalancing
tests (Test 10a)
14. Rearwards overbalancing test (Test 10b)

For the six sizes of chair given in Part 1. Two strength ratings, normal and severe, are specified for the two largest sizes.

Committee	FW/0
DevelopmentNote	Supersedes BS 5873-2(1980) and 90/39719 DC (10/2003)
DocumentType	Standard
Pages	20
PublisherName	British Standards Institution
Status	Superseded
SupersededBy	BS EN 1729-1:2015 BS EN 1729-1:2006
Supersedes	BS 5873-2:1980

BS 5873-4:1991	Educational furniture Specification for strength and stability of storage furniture for educational institutions
BS 4875-2:1985	Strength and stability of furniture Methods for determination of stability of chairs and stools
BS 5873-3:1985	Educational furniture Specification for strength and stability of tables for educational institutions
BS 5873-1:1980	Educational furniture Specification for functional dimensions, identification and finish of chairs and tables for educational institutions