Standards

ASC O5 Standards and Other Publications

Note:  These ASC O5 Standards and Technical Reports may be purchased as downloadable PDF files from the following sources:

Alternately, you may click on the document designations below to purchase these documents from the ANSI eStandards Store:

ANSI O5.1-2015
(Approved by ANSI - January 2015)
Wood Poles:  Specifications and Dimensions
ANSI O5.2-2012
(Approved by ANSI - May 2012)
Wood Poles - Structural Glued Laminated Timber for Utility Structures
ANSI O5.3-2015
(Approved by ANSI - January 2015)
Solid-Sawn Wood Crossarms and Braces: Specifications and Dimensions
ANSI O5.4-2009
(Approved by ANSI - July 2009)
Naturally Durable Hardwood Poles – Specifications and Dimensions
ANSI O5.5-2016
(Approved by ANSI - September 2016)
Wood Ground Wire Moulding - Specifications & Dimensions
ANSI O5.6-2010
(Approved by ANSI - October 2010)
Solid Sawn Naturally Durable Hardwood Crossarms & Braces - Specifications & Dimensions
O5.TR.01-2009
(Approved by ASC O5 - August 2009)
Photographic Manual of Wood Pole Characteristics (based on ANSI O5.1-2008)

The ASC O5 Operating Procedures are available for free download by clicking this link.

In the development of the O5 Standards, a database of wood pole test data was used.  It was last updated on 30 May 2002 and includes data from EPRI 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.