DUST PEEVENTION AND EOAD PRESERVATION, 1915. 



19 



Table 18. — Cost data for surfacing. 

 [Surfacing, stations —(1+61) to 235 +50.]i 



Items. 



Stone on 

 work. 



Spread- 

 ing 

 stone. 



Bitumen 

 on work. 



Applica- 

 tion of 

 bitumen. 



RoUing. 



Surfac- 

 iag, com- 

 plete. 





Tom. 

 5,735.68 



Tons. 

 5,735.68 



Gallons. 

 90,557 



Sq. yds. 

 42, 111. 90 



Sq. yds. 

 42, 111. 90 



Sq. yds. 

 42, 111. 90 









S2, 139. 58 

 6,601.98 



$944.82 



$209. 26 

 8,274.42 



$3,588.30 

 180. 32 



$213. 34 

 89.25 



$7, 095. 30 





15, 145. 97 









Total 



8,741.56 



944.82 



8,483.68 



3,768.62 



302. 59 



22,241.27 







Ton. 

 $1. 5240 

 15.62 



Ton. 

 $0. 1647 

 1.69 



Gallon. 



$0. 0937 



15.16 



Sq. yd. 

 $0. 0895 

 6.73 



Sq. yd. 



$0.0072 



.54 



Sq. yd. 

 $0. 5281 





39.74 







1 Average over all experiments. 



Table 19. — Materials and cost data per square yard for bituminous macadam by the 



penetration method. 



6 



1 



Station. 



Description. 



Quantity of material. 





Stone. 



Bitumen. 



Length 



of 

 section. 



Area of 

 section. 



Stone. 



Chips. 



Bitu- 

 men. 



1 

 2 

 5 

 6 

 13 



-(1+61) to 5+00 



5+00 to 18+00 



38+10 to 50+45 



50+45 to 58+45 



153+00 to 163+00 



163+00 to 173+00 



192+00 to 200+00 



200+00 to 208+89 



Sandstone 

 ...do 



Gneiss 



...do 



Trap 



Asphalt A 



Asphalt X 



Asphalt A 



Asphalt X 



-do . . . . 



Feet. 

 661 



1,300 



1,235 

 800 

 950 



1,000 

 800 

 889 



Sq. yards. 

 1, 202. 22 

 2, 599. 67 

 2,195.56 

 1,422.22 

 1,688.88 

 1,777.78 

 1,422.22 

 1,580.45 



Tons. 



0.134 

 .134 

 .098 

 .098 

 .122 

 .122 

 .117 

 .117 



Tons. 



0.022 

 .022 

 .018 

 .018 

 .033 

 .033 

 .025 

 .025 



Gallons. 

 2.17 

 2.04 

 2.03 

 2.12 

 2.03 



14 

 17 



...do 



Granite 



Asphalt A 



.do 



2.02 

 2.12 



18 



...do 



Asphalt X 



1.92 



a 



o 



a 



Station. 



Cost per square yard (cents). 



— 6 



r 



Stone 



on 

 siding. 



Unload- 

 ing stone. 



Haul- 

 ing 

 stone. 



Spread- 

 ing stone. 



Chips on 

 si<Hng. 



Unload- 

 ing chips. 



Haul- 

 ing 

 chips. 



Spread- 

 ing chips. 



1 



-(1+61) to 5+00 

 5+00 to 18+00 

 38+10 to 50+45 

 50+45 to .58+45 

 153+00 to 163+rK) 

 163+C>0 to 173+00 

 192+00 to 2fXJ+00 

 2fXJ+00 to 208+89 



30.66 

 30.6,5 

 11.78 

 11.78 

 15. 25 

 15.24 

 16. 75 

 16.75 





8.61 

 8.60 

 1.89 

 1.90 

 3.05 

 3.05 

 4.10 

 4.11 



L45 

 L43 

 .72 

 .75 

 .89 

 .89 

 1.91 

 1.91 



5.11 

 5.11 

 2.10 

 2.10 

 6.14 

 6.14 

 3.55 

 3.56 





1.44 

 1.43 

 .34 

 .34 

 .83 

 .83 

 .87 

 .87 



1.55 



2 







L57 



5 







1.84 



6 







1.89 



13 

 14 

 17 

 18 



2.21 

 2.21 

 1.89 

 1.90 



0.60 

 .60 

 .40 

 .40 



1.77 

 1.78 

 1.24 

 1.25 



6 



Station. 



Cost per square yard (cents). 



1 



w 



Bitumen 

 on siding. 



Hauling 

 bitumen. 



Loading 



and 

 heating 

 Vjitumen. 



Apply- 

 bitumen. 



Rolling 

 penetra- 

 tion 

 stone. 



Rolling 

 penetra- 

 tion and 

 seal. 



Total 

 cost. 



1 



2 

 5 

 6 

 13 

 14 

 17 

 18 



-(1+61) to .5+00 

 5+fX)to 18+00 

 38+10 to 50+45 

 .50+45 to .58+45 

 153+Of) to 163+00 

 163+fKJ to 173+00 

 K»2+fX) to 2^)0+00 

 2fKJ+W to 208+89 



26.71 

 1.3.27 

 24.95 

 13.78 

 13.16 

 2.5. 51 

 26.93 

 12.52 



..50 



.47 

 .47 

 .49 

 .47 

 .47 

 .49 

 .44 



1.70 

 1.59 

 1.2fi 

 1.32 

 1.29 

 1.39 

 1.71 

 1.55 



1.78 

 1.67 

 1.85 

 1.93 

 1..50 

 1.62 

 2.02 

 1.84 



.21 

 .22 

 .12 

 .13 

 .56 

 ..56 

 .50 

 .50 





41 

 42 

 42 

 44 

 69 

 69 

 68 

 69 



80.13 

 66.43 

 47.74 

 36.85 

 48.41 

 68.98 

 63.04 

 48.29 



