560 CEMENTS, LIMES, AND PLASTERS. 



TABLE 213. 

 DETAILED ESTIMATES OF COSTS OF CEMENT MANUFACTURE (2000-BARREL PLANT). 



Labor : Cost Per Barrel. 



Quarry ...$0.05 



Stone house 00 J 



Mill building 01J 



Kiln-room 01 J 



Engine- and boiler-room. 01 J [ $0. 15 



Fuel mill 01 



Yard gang 01 J 



Repair gang 02 \ 



Miscellaneous 00 J . 



Raw materials : 



Coal 22J 1 ,, 



Gypsum 01J } * 24 * 



Supplies : 



. Repair parts 04 ] 



Lubricants 02 [ .09 



Miscellaneous 03 J 



General mill account. 



Packing and shipping 04 1 nft 



Office force 02 J ' uo 



Fixed charges : 



Interest on cost of plant 07 1 



Sinking fund 05 I 9 oi 



Depreciation .05 



Administration and selling expenses 06 J J 



Total $0.77f 



Estimates have been published by Mr. E. Duryee, covering the 

 cost of building a small plant and making cement at a very inaccessible 

 point in Arizona. The raw materials are located quite near the plant, 

 but fuel, labor, and freight are all very high. These estimates are as 

 follows : 



TABLE 214. 



APPROXIMATE COST OF TWO-KILN PLANT, DAILY CAPACITY 300 BARRELS. 



(DURYEE.) 



Crusher $2,000 



Mill for disintegrating clay 500 



Rotary clay drier 1 ,500 



Elevators and conveyors for raw materials 1,000 



Storage-bins for raw materials 1,000 



Mills for grinding raw materials 10,000 



Two rotary kilns, linings, and stacks 15,000 



Mills for grinding cement 10,000 



300-H.P. electric motors and step-down transformers. 9,000 



Conveyors and elevators for cement 1,500 



Cost of grading and erecting machinery 10,000 



Shafting and pulleys, belts, and setting up 5,000 



Buildings and cement-bins 10,000 



Office, laboratory, and laboratory equipment 1,500 



Freight 10,000 



Plans, specifications, and superintendence 3,000 



$91,000 



