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  1. #1
    TDF Member Irnbru's Avatar
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    Exclamation Cylinder Date Stamping and Visual/Hydrostatic tests

    Have been speaking to a few of the guys at IDEST/SITA (many thanks Pat/Neil) about date stamping. Apologies all of the below is common knowledge but it became apparent that there were some differing views .

    From 2000 until 2012 the year must be stamped as YYYY and the month will always be MM. Therefore the dates between 2000 and 2012 will be YYYY/MM.

    From 2013, and because there will never be a month 13 so the year stampings can be abbreviated to YY/MM (13/07 in the case of July 2013). If a test house wish to continue with the full YYYY for the year, this is acceptable.

    Visuals and Hydrostatic tests

    If a cylinder has missed it's visual (2.5 years from hydro) it CAN have a visual...if all is OK it can then be used for the remaining time since its last hydro. But it MUST have a hydro after 5 years from it last hydro.

    ie
    2010 - tank has a hydro
    2012 (end of June) - due date of visual, visual inspection missed.
    Note: Persons should not be filling the tank after this date without insisting on a visual.

    2013 - tank is visually inspected and if all is OK* has 2 years of usage (not 2.5) before it's scheduled hydro in 2015
    2015 - next hydro

    *IF on visual inspection it needs to be shot blasted it must have a hydro. All subsequent hydrostatic tests would then be from the new date.
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  2. #2
    TDF Member John-flood's Avatar
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    Is it mandatory to have a valve service on visuals
    Regards
    John
    Padi IDCS #648395/ Tec 50
    Apprentice cave

  3. #3
    TDF Member Irnbru's Avatar
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    Good question - I'd maybe speak to Pat and Neil at IDEST/SITA.

    Post was originally to clarify (my own) misconceptions - and some testing facilities saying you needed to have a hydro if you missed your vis.
    Like Cave Diving? - see www.fb.me/CaveDivingFilms
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  4. #4
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    It would be good if this was in writing, without a written IDEST/SITA document, a test house can just say that it's quoting a thread on a web forum. Adding a clarification to the O2 cleaning intervals would also be good, as we are still on 12 months here!

  5. #5
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    Quote Originally Posted by Irnbru View Post
    Good question - I'd maybe speak to Pat and Neil at IDEST/SITA.

    Post was originally to clarify (my own) misconceptions - and some testing facilities saying you needed to have a hydro if you missed your vis.
    I missed a visual on my twinset and was told that I must have a hydro so explained that I was there to purchase a visual not a hydro and if they didn't want the business I would go elsewhere, visual was done as requested

  6. #6
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    Quote Originally Posted by Irnbru View Post
    Good question - I'd maybe speak to Pat and Neil at IDEST/SITA.

    Post was originally to clarify (my own) misconceptions - and some testing facilities saying you needed to have a hydro if you missed your vis.
    Given your location I'm guessing you have had a problem with Pattersons. Mine were overdue a visual by 2 weeks and they insisted on Hydros which they failed. They seem to fail to grasp the concept that the hydro is due every 5 years regardless of the date of the visual. They seem to think that performing a visual after the due date somehow extends the time between hydros. Other IDEST stations just shortened the next due date. Our club have stopped using them for this reason.

    I didn't get the chance to argue they were scrapped by the time I found out. To be fair, they would probably failed a visual as well as corrosion was noted on both tanks.

    Sharon

  7. #7
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    Quote Originally Posted by frogfone View Post
    Given your location I'm guessing you have had a problem with Pattersons. Mine were overdue a visual by 2 weeks and they insisted on Hydros which they failed. They seem to fail to grasp the concept that the hydro is due every 5 years regardless of the date of the visual. They seem to think that performing a visual after the due date somehow extends the time between hydros. Other IDEST stations just shortened the next due date. Our club have stopped using them for this reason.

    I didn't get the chance to argue they were scrapped by the time I found out. To be fair, they would probably failed a visual as well as corrosion was noted on both tanks.

    Sharon
    I'm getting this too from my LDS.
    Cyl has missed Visual inspection date by 2 weeks.
    I want a visual up to the next Hydro date. LDS is insisting on a hydro now.
    Can anyone point me at documentation for the visual/hydro sequencing?

    Ron.

  8. #8
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    Speak to bob at angus diving should be ok.

  9. #9
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    Quote Originally Posted by Ron MacRae View Post
    I'm getting this too from my LDS.
    Cyl has missed Visual inspection date by 2 weeks.
    I want a visual up to the next Hydro date. LDS is insisting on a hydro now.
    Can anyone point me at documentation for the visual/hydro sequencing?

    Ron.
    Hi Ron,

    I run a dive shop and we are an Idest test centre. The requirements are for a hydro test every 5 years. The visual test should be done half way between every hydro, but if a cylinder is presented say three years after the hydro then it can have a visual test but that test will only be valid until the next hydro is due which will be 2 years. If it presented four years after a hydro then it can still have a visual test which would be valid for 1 year. Oxygen cleaning period is now every 15 months to fall into line with testing every 2 1/2 years.

    The cylinder valve should be serviced at every test.

    Dave
    Last edited by Bubblesless; 26-02-2015 at 10:22 AM. Reason: Extra info

  10. #10
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    Quote Originally Posted by Bubblesless View Post
    Hi Ron,

    I run a dive shop and we are an Idest test centre. The requirements are for a hydro test every 5 years. The visual test should be done half way between every hydro, but if a cylinder is presented say three years after the hydro then it can have a visual test but that test will only be valid until the next hydro is due which will be 2 years. If it presented four years after a hydro then it can still have a visual test which would be valid for 1 year. Oxygen cleaning period is now every 15 months to fall into line with testing every 2 1/2 years.

    Dave
    Hi Dave,
    I know that. However my LDS insists otherwise.

    I'd like to find a official document I can quote to them.
    N.B. I have a good relationship with them but they are just following what they've been told by the previous owner.
    If I can provide chapter and verse that they are incorrect then they will likely change their position.

    Ron.


 
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