36 



BULLETIN 87, U. S. DEPARTMENT OF AGRICULTURE. 



Table 4. — Estimate of approximate amount of material required for construction of 



flumes — Continued . 



54-INCH "V" FLUME WITH 2-INCH BATTENED BOX. 



Kinds of lum- 

 ber. 



Mud sills 



Posts 



Caps 



Braces, sway... 

 Braces, lateral.. 



Stringers 



Sills 



Braces 



Arms 



Box boards 



Battens 



Running boards 



Add for waste. 

 Total.-.. 



Lumber required per mile. 



Dimensions. 



Inches. 

 6x6 

 6 x 

 6 x 

 ljx 

 Hx 

 6"x 

 4 x 

 4 x 

 4x6 

 2 xllO 

 ljx 4 

 2 x 12 



Ft. in. 



10 

 7 3 



7 



11 

 7 6 



12 

 7 

 1 9. 1 

 4 6' 



12 



4 



12 



Ft. in. 



30 



21 9 



21 



8 3 

 5 V 



48 0' 



14 



3 7 



9 

 ( 2 ) 



1 S 



24 



Ft. in. 



30 



43 6 



21 

 16 6 



22 6 

 96 

 42 

 21 6 

 54 



220 



40 



24 



440 



880 



440 



88i 



11,46 



880 



1,320 



2,640 



2,640 



10, 560 

 440 



440 

 440 

 440 

 440 

 1366? 

 440" 

 440 

 440 

 440 

 440 

 440 

 440 





13,200 



19, 140 



9,240 



7,260 



8,250 



42,240 



18, 480 



9,460 



23, 760 



96, 800 



17, 600 



10, 560 



275, 990 

 9,010 



285,000 



Nails required per mile. 



Size. 



1,700 17 



1, 075 10J 



390 4 



3, 625 36J 



12-penny. . 

 16-penny. . 

 20-penny . . 

 40-penny. . 



One keg of 40-penny 

 nails and one keg of 

 60-penny nails should 

 usually be allowed for 

 such preliminary work 

 as bridging, etc. 



Total . 



i Lateral braces are only figured for five-sixths of a mile, as at least one-sixth of each mile, on an average, 

 will be too close to the ground to require the use of these braces. 

 2 Various sizes. 



o 



WASHINGTON : GOVERNMENT PRINTI NG OFFICE : 1814 



