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  1. thedecimalinch

    Transportation of a vessel in a building

    Thanks. Yeah I agree however we have to ensure the vessel will actually go in. Therefore I need a rough idea of what will be used to move it.
  2. thedecimalinch

    Transportation of a vessel in a building

    We have a molecular seive vessel which is 5m high and the diameter is 3m. The weight is 12 tonnes so it is not light. Anyway we need to transport this on its side in a concrete building. We have to transport it on its side because of clashes with other plant. What sort of device can we use to...
  3. thedecimalinch

    Calculating the weight of a 90 deg pipe elbow

    Hi thanks but all I can find is charts and I am looking for stuff up to 1100DN for both steel and stainless. I can not find any
  4. thedecimalinch

    Calculating the weight of a 90 deg pipe elbow

    I cant find this anywhere on the web but basically I have to go through some drawings and count how many elbows there are on pipe work and put on the weights also. Has anyone got an easy way of doing this please?
  5. thedecimalinch

    Installation of 304L stainless steel pipe

    Hi we are not really near the sea no around 100km away. Ihave been on sites before and the SCC was immense! So basically a good flush out with water will suffice then?
  6. thedecimalinch

    Installation of 304L stainless steel pipe

    /hi thanks for the replies. some the carbon steel lines are open loop and all are treated with NAOH. The stainless lines are closed loop and none of them are treated. I was hoping to get some input from a construction point of view. ie after installation do you have to use chemicals for...
  7. thedecimalinch

    Installation of 304L stainless steel pipe

    It is mainly cooling water. I am not sure about the lagging. The cooling water will go up to 70 degrees celcius
  8. thedecimalinch

    Installation of 304L stainless steel pipe

    We have 1000's of stainless steel pipework to be installed some of which will be lagged. Nearly all of it will be welded apart from connections to the equiptment. What flushing will be required? Will we need to use chemicals at all at any stage. After installation is there any kind of...
  9. thedecimalinch

    flushing pipework

    So would I be in correct in saying that after pipe work installation 304l stainless then the standard practice is just to flush it with water? There is no need for chemicals at all?
  10. thedecimalinch

    flushing pipework

    Thanks but there is only a preliminary design at the moment and this has not been out lined yet
  11. thedecimalinch

    flushing pipework

    Sorry the Stainless steel will be 304L
  12. thedecimalinch

    flushing pipework

    When stainless steel and carbon steel has been installed how is it then flushed? Do you have to use chemicals? If so what? The pipework will be for cooling water. Also when will passivation or pickling be required please?
  13. thedecimalinch

    Pipework help required

    I am mechanical with very limited pipework exposure. Anyway we have a company that has priced up and tendered for a big cooling water project. I have to gho through the tender package and look for mechanical mistakes. What should I look out for. My main thoughts are this: Make sure they have...
  14. thedecimalinch

    B31.3 pipework

    Sure more details. We have a breathing air stainless steel line which is in the way of installing and removing a component on site. Rather than chop it every time I was thinking iof having a short section of it flanged off for for ease of maintenance. But people say its not possible... Would it...
  15. thedecimalinch

    B31.3 pipework

    Why can you not easily change a design of liquid and gas pipework from having welded butts to have a section of pipe flanged to allow for the maintenance of other components?
  16. thedecimalinch

    Tracking of components for a new build

    How would RFID actually work on site when the equiptment has actually arrived? If it was going to be read then there would be too many RFID chips in one area surely?
  17. thedecimalinch

    Tracking of components for a new build

    I was laughing so hard at that I fell off my chair! Thank you very much for your contribution.
  18. thedecimalinch

    Tracking of components for a new build

    I have been asked by my manager to write a company standard or the labelling/ tracking of components that will arrive on a new build nuclear power station. This is a bit over my head at the moment. How does steel pipe work usually come marked up apart from just writen oon with a marker pen? My...

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