Spacing,2x6,2x8,2x10,2x12,Note
"12"" o.c.",~10.5',~13.5',~16.5',~19.5',Planning values; verify locally
"16"" o.c.",~9.5',~12.0',~15.0',~18.0',Planning values; verify locally
"24"" o.c.",~8.0',~10.0',~12.5',~15.0',Planning values; verify locally