CSA O80S2-05

O80 Series-97, Wood Preservation Scope

O80.0 – Wood Preservation

1.1 This Standard sets forth requirements for materials, analysis of materials, and operational practices for pressure and thermal impregnation for the chemical preservation of wood.

1.2 The recommendations made in this Standard are based solely on the efficacy of the preservative in any specific application. As preservatives and their uses are regulated by government authorities, it is the responsibility of each user to ensure that the particular end use is not in conflict with current laws and regulations.

O80.1 – Preservative Treatment of all Timber Products by Pressure Processes

1.1 This Standard covers the preservative treatment of all timber products by pressure processes.

O80.2 – Preservative Treatment of Lumber, Timber, Bridge Ties, and Mine Ties by Pressure Processes

1.1 This Standard covers the preservative treatment of Coast Douglas Fir, True Fir (Abies spp.), Western and Eastern Hemlock, Western Larch, Jack Pine, Red Pine, Ponderosa Pine, Eastern White Pine, Lodgepole Pine, Western White Pine, Southern Yellow Pine, Spruce, Birch, Maple, Oak, and Beech lumber, timber, bridge ties, and mine ties.

O80.3 – Preservative Treatment of Piles by Pressure Processes

1.1 This Standard covers the preservative treatment by pressure processes of (a)land, fresh water, and foundation piles of the following species: Coast Douglas Fir, Western Larch, Interior Douglas Fir, Jack Pine, Lodgepole Pine, Red Pine, Ponderosa Pine, Southern Yellow Pine, and Oak; and (b)marine piles of the following species: Coast Douglas Fir, Jack Pine, Red Pine, and Southern Yellow Pine.

O80.4 – Preservative Treatment of Poles by Pressure Processes

1.1 This Standard covers the preservative treatment of Coast Douglas Fir, Western Larch, Interior Douglas Fir, Jack Pine, White Pine, Red Pine, Lodgepole Pine, Ponderosa Pine, Southern Yellow Pine, Western Red Cedar, Alaska Yellow Cedar, White Spruce, Red Spruce, and Western Hemlock poles.

O80.5 – Preservative Treatment of Posts by Pressure Processes

1.1 This Standard covers the preservative treatment of round, half-round, and quarter-round posts for fence or highway use. It does not cover the preservative treatment of posts sawn four sides. Sawn posts are treated under CSA Standard O80.2. Posts, in contrast with poles, cover lengths shorter than 4.5 m.