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  • Dry Pack

    I running a 3" cast iron pipe into a concrete lift station with a 4" cored hole. I heard to seal the connection I should use "dry pack and wrap" does anyone know this method or have any ideas about what i should do?

    Thanks

  • #2
    Re: Dry Pack

    dry packing is similar to rat proofing.

    i assume this is a vertical pipe and doesn't need to be water tight.

    wrap the pipe with 10 mil tape and mix up a sticky mixture of cement and sand. i prefer plastic cement.

    now we typically use 3m fireproofing caulking.

    rick.
    phoebe it is

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    • #3
      Re: Dry Pack

      actuall it is a horizontal pipe and needs to be water tight.

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      • #4
        Re: Dry Pack

        I would refer either a "kor-n-seal" wich will allow a little movement if the tanks settle (http://www.npc.com/products/pipe-con...SSPEC05-06.pdf) or Link-Seals (http://d2858181.u85.securedc.com/pdf/sub_ls.pdf)

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        • #5
          Re: Dry Pack

          You can use non-shrink grout but i would rather see either of my above options!

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          • #6
            Re: Dry Pack

            Thanks I think this should do it as long as if will be able to get one.

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            • #7
              Re: Dry Pack

              Any precaster should have them in stock, we use the kor-n-seals almost eevery sewer manhole that goes in the ground

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              • #8
                Re: Dry Pack

                you may have to core drill your hole bigger than 4" though, possibly 8", but i want to say it is 6" or 7"

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                • #9
                  Re: Dry Pack

                  Wrench ,good info. What's Your best practice in this situation. New concrete found. going in.
                  4" plastic ABS passing through concrete. clean out extension travels up 45 degree angle
                  to grade. Can't have ground water follow drain in! Thanks' Tool
                  I can build anything You want , if you draw a picture of it , on the back of a big enough check .

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                  • #10
                    Re: Dry Pack

                    Tool, If you didnt pour the foundation yet try this:

                    http://www.a-lok.com/pdfs/ZLokCastInBoots.pdf

                    Otherwise go with the Kor-N-Seals

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                    • #11
                      Re: Dry Pack

                      Wrench,I'm in the permit stage. I'll go with the z lock boot. Looks great,and I'll pass this info on to friends . thanks' tool
                      I can build anything You want , if you draw a picture of it , on the back of a big enough check .

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                      • #12
                        Re: Dry Pack

                        we just set a man hole with about 20 pipes coming in and they used the Link-Seals

                        i hope it works
                        Charlie

                        My seek the peek fundraiser page
                        http://observatory.mountwashington.o...nal&fr_id=1040


                        http://www.mountwashington.org/weather/conditions.php

                        new work pictures 12/09
                        http://public.fotki.com/hvachawk/

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