The lower the number after the h the smaller the pole.
Wood power pole specifications.
Ansi o5 1 2017 wood poles specifications and dimensions march 24 2017 may 4 2020 brad kelechava leave a comment the wood pole is a relatively basic yet robust and useful structural resource dating back to antiquity in usage and maintaining significance today as it numbers 100 million in the united states.
Kiln drying pulls excess moisture from the pole allowing the pressure treatment to fully penetrate the wood.
Bell lumber pole s excellent reputation has been built on a long history of supplying quality wood poles to the standards and specifications of utility companies throughout north america.
We manufacture poles in classes 1 through 3 from 30 feet to 95 feet and h class poles in strength ratings to class h10 and heights up to 95 feet.
Standard ansi 05 1 includes specifications reviews other pole related standards but it places dimensions and fiber stress values for design.
So the h1 is 35 to 125 feet tall but it is a minimum of 29 inches in circumference at the tip.
The special emphasis on the role of the ansi 05 1 wood othertwo standards ansi 05 2 and 05 3 also address pole standard specifications.
Ards of interest to the utility pole industry.
The sizes go down incrementally by two inches of tip circumference.
The horizontal loads that the h classification poles can hold range from 10 000 lbs.
With more than 130 million wood poles in service and millions of new wood poles installed each year it is little wonder that wood remains the material of choice for poles used by the utility industry.
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O5 4 2009 naturally durable hardwood poles o5 5 2010 wood ground wire moulding o5 6 2010 solid sawn naturally durable hardwood crossarms braces o5 tr 01 2004 photographic manual of wood pole characteristics poles glu lam crossarms.
With its natural beneļ¬ ts and economics the wood pole remains the foundation of power distribution in the 21st century.
For h5 to 5 400 lbs.
05 1 wood poles specifications and dimen sions 05 2 structural glued laminated timber for utility structures 05 3 solid sawn wood crossarms and braces the wood pole committee meets annually gen erally in april to resolve questions of interpre.