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  1. caissondriller

    Setting long reinforcing cage for drilled shaft

    The first cage set was one piece 130+-', due to O-cell set up. All others were spliced, I don't know lengths but I believe to be close to your scope.
  2. caissondriller

    Setting long reinforcing cage for drilled shaft

    Yes. I spoke to the forman from a project completed in phil Pa. The cages were spliced. The only problem in picking the cage were the csl tubes. The first pick the cage bent enough to bend the csl tubes within the cage. The picks were adjusted and no other problems encountered.
  3. caissondriller

    Setting long reinforcing cage for drilled shaft

    In that area Cook Drilling Corp installed 4 130' cages in 6' diameter holes, loaded with csl and o cell equipment. I believe they made a custom jig out of smaller pipe, and had two cranes involved
  4. caissondriller

    Backfilling corrugated pipe {caisson}

    Thanks Zambo, that may be solution to the problem. Focht3 the reason flow able fill is not a practical method of backfilling is cure time and placement. The engineer on this project requires 24 hours of time previous to pouring concrete. There are about 800 total holes on this project. The...
  5. caissondriller

    Backfilling corrugated pipe {caisson}

    In loose sand and gravel {5-8-5 blows per six} we are advancing 42” steel pipe to 15 or 16 feet. After steel pipe is set permanent 36” corrugated pipe {CMP} is set. After 36” CMP is backfilled with existing drilled spoils, the 42” casing is extracted. A steel plate is set on the 36” CMP and...
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