Engineering and Contracting . ndicate that little money hasbeen wasted if the wearing coat does n^ agive satisfaction, while a great saving hasbeen effected if it wears well. The total costof surfacing is very small— cts. for oil, cts. for hauling and spreading, and for the screenings in place complete, atotal of cts. per square yard. The iu-mof heating does not appear in the tabulation,but this is probably included in the cost ofspreading. If not, the total cost would notexceed 3 cts. The cost of the finished road is much lessthan that usually paid for a first class hard
Engineering and Contracting . ndicate that little money hasbeen wasted if the wearing coat does n^ agive satisfaction, while a great saving hasbeen effected if it wears well. The total costof surfacing is very small— cts. for oil, cts. for hauling and spreading, and for the screenings in place complete, atotal of cts. per square yard. The iu-mof heating does not appear in the tabulation,but this is probably included in the cost ofspreading. If not, the total cost would notexceed 3 cts. The cost of the finished road is much lessthan that usually paid for a first class hardsurface pavement, but it is doubtful if thefigures could be duplicated on another con-tract. The cement which was furnished bythe county was secured at a very low work was located near the cement mills,and as the manufacturers were conducting acampaign for concrete roads, they made aspecial price for this contract. The haul wasshort and over a good road, making thetotal cost per barrel $1,647 delivered on Fig. 3. Method of Spreading Stone Screenings Angeles C mins. to the ^-yd. batch is only fair work. .Samples of the sand and screened gravelwere tested daily to determine the propermixture. Only on One day. Dec. 7, was theamount of sand increased, but the gravel on Hot Asphaltic Oil. Huntington Drive. Losounty, Calif. The contractor was-fortunate if he cameottt even. The figures show a profit of $3, on the pavement proper, but the tabu-lation fails to include his overhead charges,depreciation of plaint, interest on investment Fcbniarv 18. 191-1. Engineering and Contracting 209 and incidentals. As the overhead charges ofthe county amounted to $1,300, the contractor,whose charges must have been much greater,probably lost money. For excavation, overhaul and shaping hereceived $2, and it cost him $2,, aloss of $ His hauling cost was high,amounting to per cent of the total. Thereis a big difference shown in the cost of haul-ing sa
Size: 2223px × 1124px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookpublisherchicago, bookyear19
