Architectural drawings pertaining to the design, construction and alternation of the boilers, bunkers, coal elevator, and powerhouse within the Fort San Sanatorium and Fort San, Saskatchewan. Drawings were prepared for the administrators of the sanatorium, the Saskatchewan Anti-Tuberculosis League. Includes: (1)-(14) drawings of the boiler system, prepared by Foster Wheeler Limited of St. Catharines, Ontario, Babcock-Wilcox and Goldie-McCullough, Limited of Galt, Ont., and Canadian Sirocco Co, Ltd. of Windsor, Ont. (15)-(32) drawings of the air ducts, bunkers, coal elevator, and coal handling plant, prepared by The Manitoba Bridge & Iron Works Ltd. of Winnipeg, Manitoba. (33)-(39) drawings of various aspects of the powerhouse, prepared by the United Conveyor Corp. of Canada, Ltd., and by A. R. Greig.