BS 1129:1990
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Specification for portable timber ladders, steps, trestles and lightweight stagings
Hardcopy , PDF
10-09-2019
English
09-28-1990
Foreword
Committees responsible
Specification
Section one. General
1 Scope
2 References
3 Definitions and nomenclature
4 Classification of duty rating
5 Materials
6 Finish
7 Tolerances on sizes
8 Markings
Section two. Requirements for specific types
of ladders, trestles and stagings
9 Single-section ladders class 1
10 Extending ladders class 1
11 Single-section and extending ladders
Class 2
12 Builders pole ladders class 1
13 Shelf ladders class 1
14 Swing back steps class 1
15 Folding platform steps class 1
16 Folding platform steps class 3
17 Ladders backed steps class 1
18 Folding trestles class 1
19 Lightweight stagings class 1
Text deleted
21 Folding trestles class 2
Appendices
Appendix A - Recommendations for the care and
use of ladders
Appendix B - Determination of slope of grain
Appendix C - Bending tests on scarf joints
Appendix D - Block shear tests for quality control
of glue bonds in scarf joints
Appendix E Test for extension ladder guide brackets
Publications refered to
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