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Committee O5 is accredited by the American National Standards Institute and develops standards for use by the telecommunications industry in areas dealing with wood poles and other wood products.
SCOPE
Standardization of dimensional classifications, defect descriptions and limitations, manufacturing practices, fiber stresses and quality assurance procedures for wood poles and other wood products used in the construction of electric supply and communication lines.
HISTORY

Committee O5 on Specifications and Dimensions for Wood Poles was organized in 1924 by the Bell Telephone System and the U.S. Independent Telephone Association's American Standards Associations (ASA) Telephone Group. ATIS accepted sponsorship and secretariat responsibility for ASC O5 in 1985.

This Committee creates standards for wood poles, crossarms and braces, and glue laminated timber for utility structures. Wood poles continue to be the least expensive method to provide telecommunications services (telephone & cable) to rural areas of the United States. There are approximately 100 million wood poles in use nationwide; 45 percent are owned by the telecommunications industry.

Links

O5 Leadership
O5 Member Organizations
ANSI O5 Standards
O5 Letter Ballots
O5 Meeting Minutes
O5 Membership Application (Word or Acrobat format)
Read the O5 Operating Procedures (under which ASC O5 is accredited)
O5 Dues
O5 Report: A general overview and history of Committee O5
Test Data (including EPRI data) - Updated 05/30/2002 1,2,3,4,5,6

 


1 (Copyright © (1985). Electric Power Research Institute. EL-4109-V1. Wood Pole Properties, Volume 1: Background and Southern Pine Data. Reprinted with Permission.
2 (Copyright © (1986). Electric Power Research Institute. EL-4109-V2. Wood Pole Properties, Volume 2: Douglas Fir Data. Reprinted with Permission.
3 (Copyright © (1986). Electric Power Research Institute. EL-4109-V3. Wood Pole Properties, Volume 3: Western Red Cedar Data and Size Effect. Reprinted with Permission.
4 (Copyright © (1981). Electric Power Research Institute. EL-2040-V1. Probability-Based Design of Wood Transmission Structures. Reprinted with Permission.
5 (Copyright © (1981). Electric Power Research Institute. EL-2040-V2. Probability-Based Design of Wood Transmission Structures. Reprinted with Permission.
6 (Copyright © (1981). Electric Power Research Institute. EL-2040-V3. Probability-Based Design of Wood Transmission Structures. Reprinted with Permission.