3457.1SCOPE
Provide lumber for general building purposes. Refer to ASTM D9, Standard Terminology Relating to Wood and Wood-Based Products, for definition of terms.
3457.2REQUIREMENTS
Use Douglas Fir, Norway (Red) Pine, Ponderosa Pine, White Pine, or Southern (Yellow) Pine. Provide grade marked lumber graded in accordance with grading rules, adopted by regional associations of lumber manufacturers, in accordance with the requirements of the American Lumber Standards. Provide No. 1 Grade lumber, unless otherwise specified.
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Source: Minnesota Standard Specifications for Construction, 2025 Edition. Pages 958–0 of 1,081. View official source ↗