BS 1129:1990

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

Materials, dimensions and finish for items suitable for heavy duty in buildings and other industrial applications. Also gives details for single section and extending ladders more suitable for light trades use and for folding platform steps for domestic purposes.