PRESERVATIVE TREATED STRESS RATED JOISTS AND PLANKS FOR USE IN CRIBBING FOR BAILEY TYPE BRIDGES
CRPW
WIDTH-LOCATION AND MEASURING METHOD
14.000 INCHES NOMINAL OVERALL SPECIFIED
CQWY
SPECIES-GRADE AND GRADING ASSOCIATION
"DOUGLAS FIR SELECT STRUCTURAL WEST COAST LUMBER INSPECTION BUREAU OR DOUGLAS FIR SELECT STRUCTURAL WESTERN WOOD PRODUCTS ASSOCIATION OR LARCH SELECT STRUCTURAL WESTERN WOOD PRODUCTS ASSOCIATION OR PINE, SOUTHERN DENSE STRUCTURAL 65 SOUTHERN PINE INSPECTION BUREAU"