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 TABLE 4: LUMBER, TIMBER, AND PLYWOOD
FOR NON-MARINE USE
Lumber and timber are rectangular commodities sawn from logs. Lum-
ber may be dressed (smooth planed) or rough (unplaned). Lumber is
less than 2" in nominal thickness and may be called boards or strips.
Dimension lumber is from 2" up to, but not including, 5" thick and may
be called stringers, posts, girders, beams, etc. Plywood is a composite
panel or board made up of cross-banded layers of veneer, or veneer and
a core of either lumber or particle board, bonded with adhesive. These
products can be used in contact with fresh water and soil. Also, these
products may be used in waterfront structures if they do not come in con-
tact with salt water or salt water splash.
Treatment Standard: AWPA C2 - For soil or fresh water exposure
(ground contact only)
Brands: Each piece shall be legibly and permanently branded, marked,
or tagged by the producer. An exception can be made when bundled
lumber is 1" X 4" or less in size, when lumber is less than 2" X 4" in size,
or when lumber is 36" or less in length. In these cases, only the exterior
faces must be marked.
Brand Information
Example Interpretation
Code Ltrs
Supplier's Brand
ABCO
Company name or logo
Plant Designation
and Year of
D-86
Location & date treated
Treatment
Species of Timber
and Preservative
SPSK
Southern Pine treated
Treatment
with CCA
Retention(s)
4
0.40 pcf (Per spec.)
Other
If specified dry
Dry
C-7
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