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. 
Lumber required per mile. 
Dimensions. 
Mud sills 
Posts 
Caps 
Braces, sway... 
Braces, lateral.. 
Stringers 
Sills 
Braces 
Arms 
Box boards 
Battens 
Running boards 
Add for waste. 
Total.... 
Inches. 
6 x t 
6 x e 
6 x t 
i|x e 
lis. € 
6'x S 
4 x e 
4 x e 
4 x € 
2 xllO 
ljx 4 
2 x 12 
Ft. in. 
10 
7 3 
7 
11 
7 6 

o 
Ft. 
30 
21 
21 
Ft. in. 
30 
43 6 
21 
16 6 
22 6 
96 
42 
21 6 
54 
220 
40 
24 
440 
880 
440 
880 
11,467 
880 
1,320 
2,640 
2,640 
10. 560 
440 
440 
440 
440 
440 
366§ 
440 
440 
440 
440 
440 
440 
440 
ft 
£6 

ID 
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. 
1,700 
1,075 
390 
3,625 
17 
10f 
4 
36i 
Size. 
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. 
1 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 PRINTING OFPirp : 1914 
