Repair of unlined Ward tunnel on Big Creek hydroelectric plant in Southern California required 82% of contract price for transportation and equipment due to fact that tunnel elevation is at about 7000 ft; data on repair work.


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    Title :

    Repairing unlined portions of tunnel involves difficult transportation job


    Additional title:

    Eng News-Rec


    Published in:

    Publication date :

    1947


    Size :

    3 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English





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