SHOP COSTS 355 



Actual Shop Costs. The following actual shop costs will give an 

 idea of the range of costs : The shop cost of the transformer building 

 of which the estimate is made in this chapter was about $20.00 per ton 

 including drafting; the Carbon Tipple building at Carbon, Montana, 

 weighing 86 tons, cost $18.60 per ton. The shop cost of the structural 

 work of the East Helena transformer building, the estimate of which 

 is given in the next to the last column in Table XXVI, cost $21 .80 per 

 ton including details. The shop cost of the Basin & Bay State smelter, 

 weighing 270 tons, was $17.20 per ton including details which cost $2.00 

 per ton. The shop cost of six gallows frames made by the Gillette-Her- 

 zog Mfg. Co., varied from $21 .80 to $41 .80 per ton, with an average of 

 $32.20 per ton including details. 



Cost of Erection. With skilled labor at $3 . 50 and common labor 

 at $2.00 per day of 9 hours, small buildings like those given in Table 

 XXVI will cost about $10.00 per ton for the erection of the steel frame- 

 work, if trusses are riveted and all other connections are bolted. The 

 cost of laying corrugated steel is about $0.75 per square when laid 

 on plank sheathing, $1.25 per square when laid directly on the purlins, 

 and $2.00 per square when laid with anti-condensation roofing. The 

 erection of corrugated steel siding costs from $0.75 to $i .00 per square. 

 The cost of erecting heavy machine shops, all material riveted and in- 

 cluding the cost of painting but not the cost of the paint, is about $8.50 

 to $9.00 per ton. Small buildings in which all connections are bolted 

 may be erected for from $5.00 to $6.00 per ton. The cost of erecting 

 the East Helena transformer building (next to the last building in Table 

 XXVI) was $12.80 per ton including the erection of the corrugated 

 steel and transportation of the men. The cost of erecting the Carbon 

 Tipple was $8.80 per ton including corrugated steel. The cost of 

 erection of the Basin & Bay State Smelter was $8.20 per ton including 

 the hoppers and corrugated steel. The cost of erecting 6 gallows frames 

 in Montana varied from $11.20 to $15.20 per ton, with an average of 

 $13.00 per ton, all connections being riveted. 



COST OF MISCELLANEOUS MATERIAL. In making an 

 estimate for a mill building the engineer needs to be familiar with the 



