Rafters and ceiling joists in regions of heavy 

 snowfall, - order No. 1 Clear 2" x 6" rough for buildings 

 with partitions; 2" x 8" for all two story barns and build- 

 ings 16 feet wide without partitions (Douglas fir 1st choice) 

 (End, white fir), (3rd, yellow pine). 



SIDING. 



(See Cut No. B.M.-l) 



Siding of various kinds is made in three grades, 

 i.e., "B and Better", "C n and "D". The "" grade is speci- 

 fied in the Manual as standard for all milled siding. Use 

 this grade generally for repairs and miscellaneous con- 

 struction. 



FLOOR AND CEILING. 



(See Cut No. B.M.-l) 



Flooring and ceiling cut in California mills is 

 usually segregated into three grades, i.e., "B"and better, 

 "C" and "D". "D" vertical flooring and "C" ceiling has 

 been specified as standard in this Manual. Use this grade 

 generally for repair work and in miscellaneous building. 



COMMON LUMB3R. 



Common lumber for building purposes is sold in 

 four grades, i.e., No. 1, No. 2, No. 3 and No. 4 Common. 



For general work No. 1 Common has been specified 

 as standard in this Manual. For joists or beam members, 

 always select the best sticks of this grade. 



'No. 2 Common or lower grade may be used for roof 

 slioetin f secondary partitions, stall partitions, etc. 



i 



No. 3 or 4 Common is suitable only for concrete 

 forms, etc. 



B.M.-(2) 



