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Report - Crag Mill Quarry, Northumberland - November 2014

Discussion in 'Industrial Sites' started by dave, Nov 30, 2014.

  1. dave

    dave 28DL Regular User
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    Another splendid day out in the Northumberland countryside with a view to finding as many quarries as possible explored with Catbalou enjoyed your company and thanks for doing the driving again. As Cat said in her report some of these quarries are listed as inactive or active really you dont actually find out till you get there this one was i believe an inactive one but was far from it when we got there what with cctv and pir,s all over the place which appeared switched on and very much working. That said the processing plant for this place appeared to be almost redundant a bit rusting in places etc.

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    The control room with all the readouts set at zero.

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    Loved this sign reminds me of my reaction when setting off the alarms at a recent explore.

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    This was the water in question btw.

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    thats it another one ticked off the list oh and sorry you couldnt be with us Sed hopefully see you soon mate.
     

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  2. catbalou

    catbalou off the wall
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    Re: Crag Mill Quarry Northumberland November 2014

    [​IMG]

    that where the "Deep Active Sludge" resided, im assuming.. as well as thin ice / danger / keep off / warning / and general "p off, go away" signs were? a tad 'overkill' perhaps!

    great photos there and superb day out... need a revisit to the other site? with tripod this time
     
  3. dave

    dave 28DL Regular User
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    Re: Crag Mill Quarry Northumberland November 2014

    cheers Cat quite agree Re that other site too.
     
  4. Cuuvin

    Cuuvin 28DL Colonial Member
    28DL Full Member

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    Re: Crag Mill Quarry Northumberland November 2014

    Did a little research on the Wiki .."The activated sludge process was discovered in 1913 in the United Kingdom by two engineers, Edward Ardern and W.T. Lockett ."Activated sludge is a process for treating sewage and industrial wastewaters using air and a biological floc composed of bacteria and protozoa. "
    Hmm...not exactly a tasty soup that you'd want be in ! The Good part is if it's in operation, the "air" part makes the pond a giant "fizzy". ...another trip to the internet ...
    "Vivaitaliavfn (Expert Level: Technician) says:
    June 12, 2012 at 3:40 pm
    The presence of bubbles does reduce a person’s buoyancy in water because air is less dense than water however some bouoyancy does remain so the person could still swim. If the person tired to float they would not be as high in the water. While experiments have shown that massive release of gasses (bubbles) can sink vessels, the amount is very large. We don’t aerate basins with that much air!
    An exception would be a very lean person who is negatively buoyant in water anyhway. He/she would definitely be less well off in the presence of bubbles."
    so all you skinny folk better start drinking beer so if you fall in a "deep active sludge" pond you won't sink !! ;)

    p.s. ... gad, am i bored ...:D
     
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