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Author Video of 1999 Langton #7 Shaft survey
Blackcraig1

Joined: 04/03/2008

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Video of 1999 Langton #7 Shaft survey
Posted: 26/09/2020 19:53:52
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The Coal Authority now posts interesting videos of their work in treating former mines for shaft collapses (a recent video from Wigan shows this), Pennine lead mine erosion repair and other topics.

One of the most fascinating is this one, showing a camera survey down #7 Shaft at Langton Colliery in 1999. Water can be seen pouring into the depths from one of the insets, as the shaft was flooded to below 180m from the surface when this was shot.

Now, they state that all of the insets are submerged, as the water has now risen to 65m from the surface, a level they maintain it at.

https://www.youtube.com/watch?v=Diy8Q3Yzgg0
IP: 86.130.144.65 Edited: 26/09/2020 19:59:51 by Blackcraig1
sinker

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Joined: 13/12/2010
Location: North Wales.

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Video of 1999 Langton #7 Shaft survey
Posted: 27/09/2020 08:41:25
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That's really good; thanks for flagging it up Thumb Up


--

Yma O Hyd....
IP: 31.52.112.106
Blackcraig1

Joined: 04/03/2008

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Video of 1999 Langton #7 Shaft survey
Posted: 27/09/2020 19:29:10
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Then there's this one, of an ROV descent of the now flooded Hesketh Shaft at Chatterley Whitfield Colliery in 2011.

The cameras are lowered down to and into the water, then beneath it to the bottom of the shaft.

https://www.youtube.com/watch?v=WFR7yTEaovk&t=333s
IP: 86.130.144.65 Edited: 27/09/2020 19:29:34 by Blackcraig1
alex17595

Joined: 05/01/2018

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Video of 1999 Langton #7 Shaft survey
Posted: 29/09/2020 15:15:37
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I saw a video of a flooded quarry, in the Lake district I think, taken with a home made ROV. The quality was excellent.


Something like this https://www.youtube.com/watch?v=zRNmhxISOMQ but with some big lights on.


Sadly my technical skills are lacking.
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