Excerpt from The Technograph: 1906-1907 The following data were gathered by the writer while in charge of the Drafting Department of A. Bolter's Sons' Structural Steel and Iron Works, of Chicago, Ill., during the years 1904, 1905, and 1906.
The Works are divided into three different departments, the Structural Shop, the Architectural Shop, and the Foundry. The Structural Shop has a capacity of 800 tons per month. The Draft ing Department employes on an average seven or eight engineers. All the work is standardized with regard to details to as great an ex tent as possible, in order to decrease the work in the Drafting Room, yet not to such an extent that it would be difficult for the shop men to read the drawings. For example, all beam, steel and cast-iron column connections, with the exception of special cases, are not drawn and dimensioned completely, but merely indicated. The shop and drafting room have been provided with a set of the firm's stand ards, which have all these connections drawn out completely with dimensions and which give lists of the material.
The data here presented were taken from a great variety of work, such as public and private school buildings, churches, brew eries, malt houses and elevators, grain bins, warehouses, libraries, hospitals, apartment buildings, factories and manufacturing plants, train sheds, mill buildings, office buildings, electric lighting plants and pumping stations.
Table I shows the character of the buildings and also the aver age cost of preparing the drawings. The cost of drafting material and blue prints is not included. Where the material for the work is to be ordered from the mill and not taken from stock, the cutting bills or mill orders are taken as being part of the details. Table II shows some of the particulars of the buildings from which the data in Table I were derived and the following notes give additional in formation about some of the work.
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