The upper floor joist shall "be placed cross- 

 v/ise of the barn, A ribbon of 1" x 6" material shall 

 be cut into the studding at the elevation shown in the 

 plan. The outside of the ribbon shall be flush with the 

 edge of the studding. The ends of the floor joist 

 shall rest upon this ribbon. Spike the floor joist to 

 the studding with 3 - 20d. nails. 



ROOF. 



Material for roofs of different pitches are 

 provided in the lists. Within the respective ranges of 

 elevations stated, use the roof recommended. Exception 

 shall occur only where snowfall is not a source of risk as 

 on the Southern Forests and on the Modoc. 



Rafters and other members of the roof frame 

 should be of selected straight grain lumber; 1st choice 

 Douglas fir, 2nd choice white fir, 3rd choice Yellow pine, 

 free from knots and other imperfections. Too much 

 attention cannot be given to the selection of the best 

 sticks of the lumber order for rafters. 



Care should be teken to cut the rafters true 

 in order that they rest firmly on the plate , meet 

 squarely at the apex of the roof. 



Rafters shall be braced as shown in the Plan. 

 Dimensions of material t o be used for braces will vary 

 in the different types of roofs. 



Roof projections should be sheeted solid with 

 1" x 12" rough or dressed lumber. 



Raft or ends should be finished in the manner 

 illustrated by the diagram "Section". 



Use for roof covering either - 



(a).- Star A. Ster Red cedar or Redwood shingles 

 (b).- Shakes of White fir or Sugar pine. 

 (c).- Galvanized iron (See B.M. Page 8.) 



Lay shingles 4^-" to weather on sheeting 8" on 

 center. Nail them with 3d. fine galvanized shingle nails. 

 Lay bottom course of shingles double and project it Ill- 

 inches beyond the sheeting. Allow a 1 inch projection 



-IE- 



