Horizontal/Subsurface Infrastructure & Transportation

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Observed surface failure around existing manhole with recent connection

  • 1.  Observed surface failure around existing manhole with recent connection

    Posted 15 hours ago
    Observed failure
    Further failure
    Hello,
    I am hoping to start discussion about this manhole.  I would like to gain peer insight and draw on your experience.  The contractor has been having issues meeting the required 95% compaction in this wastewater utility trench and around manholes.  I also do not think they are packing the bedding aggregate properly.
    Thanks, 
    HS


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    Hale Sloan P.E., M.ASCE
    Owner, Principal Engineer
    Sloan Engineering and Consulting, LLC
    Hays KS
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