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  1. soniam

    Minimal Trench Separation for Utilities

    Thank you swazimatt! Is there any additional work you do when the clearances are not met to protect either utility?
  2. soniam

    Minimal Trench Separation for Utilities

    Can anyone tell me what they have spec'd out for storm and sanitary sewers that will have overlapping trenches? Recently, the stormwater department changed their design criteria and one of the repercussions is that there will be more (large 30"+) storm pipe in the ground. There are several...
  3. soniam

    Bore Casing Design

    I have a project that has a bore under an irrigation ditch. The original design had a 54" steel casing pipe for a 36" carrier pipe. The casing pipe was specified to have a minimum thickness of 3/4". Due to the amount of construction activity happening these days, the cost and availability of...

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