BS 1990-1:1984
Current
The latest, up-to-date edition.
Wood poles for overhead power and telecommunication lines Specification for softwood poles
Hardcopy , PDF
English
28-09-1984
Foreword
Committees responsible
Specification
1 Scope
2 Definitions
3 Timbers
4 Felling
5 Sizes and permitted tolerances
6 Limiting characteristics
7 Stacking and preparation of poles at depots
8 Moisture content
9 Preservation
10 Marking
Appendices
A Design data for the strength of poles, unstayed and
stayed
B Determination of moisture content by the oven test
method
C Determination of the extent of preservative
penetration
D Determination of strength characteristics of poles
Tables
1 Preferred sizes of poles
2 Ultimate loads for unstayed poles of redwood
3 Ultimate loads for stayed poles (struts) of redwood
4 Modification factors for the loads given in tables
2 and 3
Figures
1 Typical layout of markings
2 Testing position of a pole
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