354 ESTIMATE OF WEIGHT AND COST 



Have Struts. Ordinary eave struts made of 4-angles laced, whose 

 length does not exceed 20 to 30 feet, cost for shop work from 0.80 to 

 i . oo cents per Ib. 



Plate Girders. The shop work on plate girders for crane girders 

 and floors will cost from 0.60 to 1 .25 cents per Ib., depending upon the 

 weight, details and number made at one time. 



Bye-Bars. The shop cost of eye-bars varies with the size and 

 length of the bars and the number made alike. The following costs 

 are a fair average: Average shop cost of bars 3 inches and less in 

 width and ^ inches and less in thickness, is from 1 . 20 to 1 . 85 cents 

 per Ib., depending on length and size. A good order of bars running 

 from 2^" x 24" to 3" x %", and from 16 to 30 ft. long, with few 

 variations in size, will cost about 1.20 cents per Ib. Large bars in 

 long lengths ordered in large quantities can be fabricated at from 

 0.55 to 0.75 cents per Ib. 



To get the total cost of eye-bars the cost of bar steel must be added 

 to the shop cost. 



Cost of Drafting. The cost per ton for making details of mill 

 buildings varies with the character of the work and the tonnage that is 

 to be fabricated from one detail, so that costs per ton may mean very 

 little. The following will give an idea of the range of costs. Details 

 for headworks for mines cost from $4.00 to $6.00 per ton; details 

 for church and court house roofs having hips and valleys cost from 

 $6.00 to $8.00 per ton; details for ordinary mill buildings cost from 

 $2.00 to $4.00 per ton. The details for all work fabricated by the 

 Gillette-Herzog Mfg. Co., with the exception of plain beams and com- 

 plicated tank work, were made in 1896 by contract, by Mr. H. A. Fitch, 

 now structural engineer for the Minneapolis Steel and Machinery Co., 

 Minneapolis, for $2.06 per ton. This price netted the contractor a fair 

 profit. 



Actual Costs of Detailing. The details of the building for which 

 the estimate is made in this chapter cost $3 . 60 per ton. The details for 

 the Basin & Bay State Smelter, Basin, Montana, containing 270 tons of 

 steel cost $2.00 per ton. 



