Canadian engineer . or side girders. Asshown on Plate No. i, the main bridge, with its long curvedtail of a western approach spotted here and there withsmall bridges, resembles a huge rocket fired from FortGarry station, which is only a fraction of a mile farther general design of substructure and superstructurewas made in the Bridge Department of the TranscontinentalRailway. The designing of the details of the whole of thesteel work Avas made by the Dominion Bridge Company, ofMontreal, the Strauss Bascule Bridge Company, of Chicago,furnishing the drawings and details of the Bascule s
Canadian engineer . or side girders. Asshown on Plate No. i, the main bridge, with its long curvedtail of a western approach spotted here and there withsmall bridges, resembles a huge rocket fired from FortGarry station, which is only a fraction of a mile farther general design of substructure and superstructurewas made in the Bridge Department of the TranscontinentalRailway. The designing of the details of the whole of thesteel work Avas made by the Dominion Bridge Company, ofMontreal, the Strauss Bascule Bridge Company, of Chicago,furnishing the drawings and details of the Bascule span,from which the shoT drawings were prepared. All detailshop drawings were made by The Dominion Bridge Co.,and the steel work was mnnufactured by them at the Lachineshop and erected bv their owi erection department. Thecontractors for the substructure, including piers, pedestals, wal!s, etc., were Messrs. Haney, Quinlan andRobertson, Toronto. The entire structure was completedrt the end cf the year Fig. 2.—View Showing Viaduct and Erection Traveller. Tiie i-i^rs, numbered from i to 6 on No. i,are of concrete construction and of the dimensions shownin the plate. It has been stated that this is the only bridgem the vicinity in which the foundations rest on solid abutments and retaining walls on land are not carrieddown to bed rock, but rest on piles driven into the super-stratum, which is a thick clay. The drawings of all con-crete foundations were prepared by the National Transcon-tinental Railway. The steel work was designed in accordance with thegeneral specifications for steel superstructures of the De-partment of Railways and Canals, of igo8. The assumedlive load was the two standard locomotives followed bv theuniform train load, belonging to class Heavy of thespecification, or a load of 120,000 lbs. on two axles 7 feetapart, whichever gave the greater stress. This live load isgiven in detail on Plate No. i, and is the live load for
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Keywords: ., bookcentury1800, bookdecade1890, bookpublishertoron, bookyear1893
