Board lumber for subflooring, sheathing and similar uses may be No. 3 or better for
fir, spruce, cypress, hemlock, redwood, cedar, tamarack and southern yellow pine,
or No. 4 or better for ponderosa pine, sugar pine, Idaho white pine, northern white
pine and Norway pine, or minimum one-half inch thick CD or better plywood, or equivalent.
Dimensions for floor joists, ceiling joists, girders, beams, rafters and headers must
be No. 2 or better for fir, yellow pine, hemlock or spruce.
(Ord. 523 (part), 1975).
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