Standard
- BS 1990 Part 1 for wooden poles
- BS 144 for Coal Tar Creosote
Nominal lengths
- 8.2, 10, 11 and 13 metres
Species of Timber
- Pinus Sylvestris
Specification
Free from internal defects, holes, cavity, splits, insect damage and plugged holes
Average Ultimate Extreme Fiber Stress
- 53.8 N/mm2
Modulus of Elasticity
- 10480 N/mm2
Dimension
| Pole Type (As per BS 1990) | Length (mtrs) | Minimum Diameter at 1.5 metres from butt end(mm) | Diameter at top of pole (mm) |
|---|---|---|---|
| Intermediate Pole(Medium) | 10 | 230 | 170 - 185 |
| Intermediate Pole (Medium) | 11 | 240 | 170 - 190 |
| Section/Terminal/Angle Pole (Stout) | 10.5 | 290 | 190 – 250 |
| Section/Terminal/Angle Pole (Stout) | 11 | 295 | 190 – 250 |
| Section/Terminal/Angle Pole (Stout) | 13 | 320 | 195 – 255 |
| Transformer Pole (Stout) | 8.2 | 290 | 190 – 240 |
