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pole_specifications [2012/04/04 19:48] ddrummond created |
pole_specifications [2012/05/23 19:42] (current) 128.192.48.37 |
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| ====== Pole Specifications (Southern Pine) ====== | ====== Pole Specifications (Southern Pine) ====== | ||
| + | Minimum diameter at breast height (outside bark)<sup>1</sup> of trees to meet | ||
| + | American National Standard specification for various classes of southern | ||
| + | pine poles. | ||
| + | |||
| + | ^Pole Length (Feet) ^Dist. Butt to ground line ^Pole Class ^^^^^^| | ||
| + | ^::: ^::: ^1 ^2 ^3 ^4 ^5 ^6 ^7 | | ||
| + | ^::: ^::: ^Minimum Top Circum. (In.) ^^^^^^| | ||
| + | ^::: ^::: ^27 ^25 ^23 ^21 ^19 ^17 ^15 | | ||
| + | ^::: ^::: ^Minimum Top Diameter (In.) ^^^^^^| | ||
| + | ^::: ^::: ^8.6 ^8.0 ^7.3 ^6.7 ^6.0 ^5.4 ^4.8 | | ||
| + | ^::: ^Feet ^Inches (Dbh-ob) ^^^^^^| | ||
| + | |20 |4 |11.2|10.5|9.8 |9.0 |8.3 |7.6 |7.0 | | ||
| + | |25 |5 |12.1|11.4|10.7|9.9 |9.2 |8.3 |7.8 | | ||
| + | |30 |5 1/2 |13.2|12.3|11.6|10.7|9.9 |9.0 |8.5 | | ||
| + | |35 |6 |14.1|13.2|12.3|11.4|10.5|9.8 |9.0 | | ||
| + | |40 |6 |14.8|13.9|13.0|12.1|11.2|10.3|9.6 | | ||
| + | |45 |6 1/2 |15.6|14.6|13.6|12.7|11.8|10.9|10.1| | ||
| + | |50 |7 |16.3|15.2|14.1|13.2|12.3|11.4|10.5| | ||
| + | |55 |7 1/2 |16.8|15.7|14.6|13.7|12.7|11.8|-- | | ||
| + | |60 |8 |17.4|16.3|15.2|14.1|13.0|12.1|-- | | ||
| + | |65 |8 1/2 |17.9|16.6|15.6|14.6|13.6|-- |-- | | ||
| + | |70 |9 |18.4|17.4|16.3|15.0|13.9|-- |-- | | ||
| + | |75 |9 1/2 |19.0|17.7|16.6|15.6|-- |-- |-- | | ||
| + | |80 |10 |19.5|18.3|17.0|15.9|-- |-- |-- | | ||
| + | |85 |10 1/2 |19.9|18.6|17.4|-- |-- |-- |-- | | ||
| + | |90 |11 |20.3|19.2|17.7|-- |-- |-- |-- | | ||
| + | |95 |11 |20.6|19.5|18.1|-- |-- |-- |-- | | ||
| + | |||
| + | <sup>1</sup> D.B.H = Minimum Circumference 6' from butt/(.88 X 3.1416) | ||
| + | |||
| + | Source: Hawes, E. T. 1947. A method of determining southern pine pole classes from d.b.h. Jour. | ||
| + | Forestry 45: 204,205 illus. | ||
pole_specifications.1333568920.txt.gz · Last modified: 2012/04/04 19:48 by ddrummond
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