Construction of 22-mi Bartibog-Heath Steele line, Ont; self-propelled mobile rock drill was engaged to drill 6 in. holes for blasting in rock cuts, and each shot used 2000 lb of 60% Dynamex; ties are distributed by motor truck along completed subgrade, ahead of any other operations; then self-propelled hoist, hauling two flatcars containing rail, tie plates, rail anchors and fastenings, starts laying rail on ties.


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    Title :

    Swamp, gullies and hardrock on CNR project


    Additional title:

    Eng Contract Rec


    Published in:

    Publication date :

    1957


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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