In New Orleans, new 12-in. carrier pipe was placed inside old 20-in. main, which now serves as casing; reducing pipe size at each end of crossing under railroad had little effect on line's ability to handle load; pressure drop was increased only 3 psi at maximum load; for corrosion protection, 3/4 in. reinforced concrete coating over usual coal-tar enamel and asbestos felt wrapping was used; annular space was filled with saturated lime water as rust inhibitor.


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    Title :

    Repairing a railroad crossing


    Additional title:

    Am Gas J


    Contributors:

    Published in:

    Publication date :

    1965


    Size :

    2 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Keywords :


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