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  • Users: ake71
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  1. ake71

    Piling

    What determines whether a pile cap is required between a pile and a column extension? Thanks Ake
  2. ake71

    Bored Piling

    Thanks I have a set of drawings which shows the toe levels. It has already been determined during the design phase which included geotech assessments. So my question is that during actual construction what happens if the toe level has been exceeded? Is this an actual issue or can that be...
  3. ake71

    Bored Piling

    If the pile toe levels has been exceeded by more than 500mm or so, what is the best rectification for this: I have thought about a few options but advise would be great: * pour in concrete to the toe level * do nothing as the desirable toe level has been passed and therefore has met the piling...
  4. ake71

    SIMOPs and SIMOPs matrix

    SIMOPs (simultaneous operations) are described as the potential clash of activities which bring about an undersired event or set of circumstances; eg: safety, environment, damage to assests, scghedule, etc. MOPO stands for "matric of permissible operations" that clearly lays out what...
  5. ake71

    SIMOPs and SIMOPs matrix

    I am putting together a SIMOPs plan. does anyone have a template and a plan already done so that I can read and use as an example. in addition does anyone have a SIMOPs matrix, or matrix of permissible operations (MOPO) template, inlcuding description?
  6. ake71

    Air back pressure valve to be used for water regulating valve

    Hi There, We are currently using an air back pressure control valve for our air line. However, I would like to know if I can use the same valve model for water. I have to temporarily hook up a pressure regulating valve for water to reduce the line pressure from 800kpa to 650kpa and since we...
  7. ake71

    Air diaghragm pumps

    Thanks for that but what about the pulsation dampers. Do I need them because I will be running two in parrellel? Also do I need a proiming pot or will the AOD pumps hold suction, even when they are not running?
  8. ake71

    Air diaghragm pumps

    We currently have a (3")air diaphragm pump running at 42m3/hr We want to install a second air diapghram pump (total flow 80m3/hr), but after further investigation I found that I needed to put in a pulsation damper for each pump because I will now have 2 pumps in parrallel and may cause an...
  9. ake71

    Fluidised bed reactor for converting NiCl2 to Nio

    I am looking into the positioning of lances for the injection of NiCl2 into the FBR. Currently the lances are positioned near the top of the fluidised bed, but the intention is to lower them an additional 400mm down from the original position,with a reduction of inclanation of approx 8 degrees...
  10. ake71

    pipe vibration in stainless steel pipe

    here is a drawinghttp://files.engineering.com/getfile.aspx?folder=50403832-ff39-44b6-ab10-07bebf0d4a8c&file=filter_line.bmp
  11. ake71

    pipe vibration in stainless steel pipe

    I dont have the tools to measure frequency as I am in remote location. All I can say is that you can see the pipe vibrating.
  12. ake71

    pipe vibration in stainless steel pipe

    I have a pipe vibration issue. Each time the submersible pumps starts the stainless steel pipe vibrates. I have two static mixers, which I can not remove. They are required because we have found that although removing the mixers has more or less eliminated vibration, it has affected the chemical...

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