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January 2012
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SPECIES:
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Accepted species includes all hardwood species. Poplar (Aspen) will be purchased in pure loads– check with the GNT purchasing agent.
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LENGTH:
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- Eight Foot
- Random length (10-22 feet)
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DIAMETER:
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- Maximum diameter 45 cm. (18 in.) including butt flare and swells outside bark.
- Minimum diameter 9 cm. (3.5 in.) outside bark.
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FRESHNESS:
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- Wood must be less than 6 months old.
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TRIMMING:
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Knots and branches must be cut flush to the stem. Forked stems are unacceptable.
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ROT:
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Wood with greater than 33% heart rot or hollow heart will be rejected. Holes in the tree heart less than 33% of the diameter are acceptable and will not be deducted. Dead stems or bolts are unacceptable. Heart rot less than 33% of the diameter will have scale deductions.
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CONTAMINATION:
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Wood must be free of rocks, mud, brush, metal, rubber, plastics, fuels, and oils, etc. Burnt or charred wood is unacceptable.
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SWEEP:
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Maximum sweep accepted; each bolt must be capable of being placed within a cylinder of a diameter 30 cm (12 in.) larger than the maximum diameter of the bolt. The maximum cylinder is 76 cm. (30 in.). Goose neck crooks are unacceptable.
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