. Railroad structures and estimates . ditions. The averagewidth is 20 ft. and the length may be 20 ft., 30 ft., or 40 ft., ormore. Where conditions are favorable, concrete foundationsare built, but generally wood sill or wood posts are used, andthe balance of the building is of frame construction. The floorjoists are 2 X 12 at 16-in. centers, covered with | roughboards and finished wdth second quality maple or other hard-wood. The walls are of 2 X 6 studs at 24 in. centers, doublesheathed on the outside and hned inside for a height of 5 roof timbers are also 2 X 6 at 24 in. centers, cov
. Railroad structures and estimates . ditions. The averagewidth is 20 ft. and the length may be 20 ft., 30 ft., or 40 ft., ormore. Where conditions are favorable, concrete foundationsare built, but generally wood sill or wood posts are used, andthe balance of the building is of frame construction. The floorjoists are 2 X 12 at 16-in. centers, covered with | roughboards and finished wdth second quality maple or other hard-wood. The walls are of 2 X 6 studs at 24 in. centers, doublesheathed on the outside and hned inside for a height of 5 roof timbers are also 2 X 6 at 24 in. centers, coveredv^ith T. <fe G. boards and either shingled or finished in slate orready roofing. The cost of this class of building is approximately, for thevarious sizes, as follows: Concretefoundation. Wood foundation. 20 X 30 without platform $12001600 2rx)0 20^ X 40 without platform 20 X oO without platform The piatfoma may be estimated at 30 cents per square foot. 372 SMALL FREIGHT SHED. /Galv. Iron Ridge/ ^ & Hip Roll. FRONT ELEVATIONTRACK SIDE 2 0 1 ^Studs 2x to ^, . ,.8 0x80 Sliding Door To be lined sohigh withIHemlock or Short LeafYellow Pine 80 X sV Sliding Door^ ■ 1 .t !. . 1 -^ : 1. 1- J Platform 1 PLAN Top of Rafter 2 X eac. to c!f Top of Plate
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