Lumber:

ROOF SHEATHING SHALL BE 1/2" DOUGLAS FIR CD
WITH EXTERIOR GLUE, 32/16 SPAN INDEX.
ROOF PANEL EDGES SHALL BEAR ON THE FRAMING
MEMBERS AND BUTT ALONG THEIR CENTER LINES.
SHEATHING SHALL BE NAILED USING COMMON WIRE
NAILS AT SPACINGS NOTED ON THE SCHEDULE.
NO UNBLOCKED PANELS LESS THAN 12" WIDE SHALL
BE USED.

ALL FRAMING LUMBER SHALL BE GRADE STAMPED DOUGLAS
FIR LARCH WITH A MOISTURE CONTENT NOT TO EXCEED 19%.
GRADIG SHALL BE NO.1 FOR BEAMS, JOISTS, RAFTERS, PLATES,
AND STUDS.