. Handbook of construction plant, its cost and efficiency. Fig 264. Another type of scarifier, built on the same general lines as aroad machine, is shown in Fig. 265. This machine has 13 teeth,1x2 ins. long, with a cutting depth below frame of 9 extreme width of cut is 4 ft. 8 in. The machine is reversible. Fig. 265. New Scarifier. and is 13 ft. 8V2 ins. long, axle to axle, weighs 2,900 lbs., andcosts $500, f. o. b. New York state. One of these machines was recently tried out on a hard ce-mented macadam pavement. Previous to the use of the scarifier,the work of ripping up the p
. Handbook of construction plant, its cost and efficiency. Fig 264. Another type of scarifier, built on the same general lines as aroad machine, is shown in Fig. 265. This machine has 13 teeth,1x2 ins. long, with a cutting depth below frame of 9 extreme width of cut is 4 ft. 8 in. The machine is reversible. Fig. 265. New Scarifier. and is 13 ft. 8V2 ins. long, axle to axle, weighs 2,900 lbs., andcosts $500, f. o. b. New York state. One of these machines was recently tried out on a hard ce-mented macadam pavement. Previous to the use of the scarifier,the work of ripping up the pavement was done by hand at thefollowing cost: SCARIFIERS 579 20 men with picks at $ per day $ Sharpening 80 picks at 10c Foreman Cost per day for 170 ft. of road 16 ft. wide $ Cost per mile $1, The cost by machine was as follows: Operator on machine $ Sharpening picks Roller operator Fuel, etc Rent of roller Cost per day for 1818 ft. of road 16 ft. wide $ Cost per mile $ SCRAPERS (See Grading Machines, page 335.) HANDBOOK OF CONSTRUCTION PLANT SCREENS Ordinary sand and coal screens cost from $3 to $12 each. Re-volving screens with rollers and gears, but no frame nor drivingmechanism cost as follows: Size Price Weight, Lbs. 32 ins. x 8 ft. $ 3,
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbuilding, bookyear191
