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Mine Exploration Forum

Author Crossroads Levels, Cwmystwyth
Grout1

Joined: 08/03/2011
Location: West Wales

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Crossroads Levels, Cwmystwyth
Posted: 25/04/2016 16:18:28
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Just a caution to anyone planning to do the through trip between the Crossroads/Top adits in the vicinity off Taylor's shaft.

On our visit last Saturday, the Top exit was temporarily blocked at the corner just inside of the squeeze by a number of laptop sized slabs neatly closing the opening. These had fallen from the friable rock in the roof and were removed, but we had to carefully pass a larger slab perched beside the corner.

If this decides to move whilst someone is exiting:
a) it might hurt
b) the rest of the party may have to reverse the route and possibly miss the pub whilst they extricate their companion
Or
c)you might live with the guilt of leaving your mate stuck, whilst you sneak off to the pub for a quick one before calling CR.

Roy is aware, but he obviously has his hands full at present with his main construction project. So tread carefully.

Alan SCMC
IP: 86.176.129.124
Graigfawr

Joined: 04/11/2009

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Crossroads Levels, Cwmystwyth
Posted: 26/04/2016 23:07:09
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Thanks for the news.

There have been periodic slips of blocks at this location previously but this fall sounds significantly larger.

The exit / entrance crawl is actually above the masonry entrance arch and enters the roof of the level through the void between where the inner end of the arch ends and decent solid rock begins. The inner end of the arch used to be just visible in the floor of the crawl about half way through the crawl when looking outwards. It was visible down low, just outwards of the awkward dog-leg in the crawl.

IP: 188.220.65.44
royfellows

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Joined: 13/06/2007
Location: Great Wyrley near Walsall

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Crossroads Levels, Cwmystwyth
Posted: 27/04/2016 12:54:44
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Graigfawr wrote:

Thanks for the news.

There have been periodic slips of blocks at this location previously but this fall sounds significantly larger.

The exit / entrance crawl is actually above the masonry entrance arch and enters the roof of the level through the void between where the inner end of the arch ends and decent solid rock begins. The inner end of the arch used to be just visible in the floor of the crawl about half way through the crawl when looking outwards. It was visible down low, just outwards of the awkward dog-leg in the crawl.



Do you think that it would be a good idea to dig out (subject to SAM approval) the entrance proper, and repair the broken roof?

--

I once had someone''s lamp in for repair and they told me that they had a ''Petzl Duo'' that they could use. I didn''t sleep well that night and got up early to finish their lamp.
IP: 2.97.69.149
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Crossroads Levels, Cwmystwyth
Posted: 27/04/2016 14:23:48
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Roy

Digging out would be sensible in long term, but it might need a little thought as the rock is heavily contorted beside the dog leg. If it was possible to align an Armco type tube with the original archway then the digging might run between the vertical stonework if it is still insitu.

An alternative might be to drop in in vertically directly above the dog leg.

Or just clean it all up a bit and hope it stays put.

Perhaps we should take a few measurements in the meantime to see what is involved.
IP: 86.176.129.124
royfellows

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Crossroads Levels, Cwmystwyth
Posted: 27/04/2016 15:55:30
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There is a plastic tube coming out of Lefel Fawr eventually. However I was planning on putting it into Wilkinsons Level at Talybont to replace Simon H's now rusting drum.

Any thoughts anyone?

--

I once had someone''s lamp in for repair and they told me that they had a ''Petzl Duo'' that they could use. I didn''t sleep well that night and got up early to finish their lamp.
IP: 2.97.69.149 Edited: 27/04/2016 15:56:02 by royfellows
Graigfawr

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Crossroads Levels, Cwmystwyth
Posted: 27/04/2016 22:05:35
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Top Adit is relatively close to the road, is perfectly dry, and leads to Taylor's Shaft.

The existing crawl probably dissuades casual entry which is probably a good thing in view of the shaft and some of the workings that it leads to.

I fear that if entry was made easy, then it might induce inexperienced people into the level. For this reason, I suggest that there may be merit in ensuring that the entry continues to be visually off-putting to casual entry.

Might we worth keeping in mind when designing possible changes to this level portal?
IP: 188.220.65.44
royfellows

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Crossroads Levels, Cwmystwyth
Posted: 27/04/2016 22:28:33
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Sounds like a leave as is, but make safe.

--

I once had someone''s lamp in for repair and they told me that they had a ''Petzl Duo'' that they could use. I didn''t sleep well that night and got up early to finish their lamp.
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Owt

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Crossroads Levels, Cwmystwyth
Posted: 27/06/2017 14:26:20
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Is it rigged for a through trip at the moment? (I have not been there for a couple of years).
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Grout1

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Crossroads Levels, Cwmystwyth
Posted: 27/06/2017 16:59:54
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Yep rigged either way, but beware rub points on pitch up from lower entrance.

I believe some of the ropes were put in during the last couple of years.
They were fine back in April, but I would suggest any trip through should be undertaken after checking the top entrance condition and on the basis of possibly having to reverse trip.

Definitely worth it for a view up Taylor's shaft
IP: 165.120.76.34
Owt

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Crossroads Levels, Cwmystwyth
Posted: 27/06/2017 17:34:00
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Thank you! Thumbs Up IP: 86.167.7.221
royfellows

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Crossroads Levels, Cwmystwyth
Posted: 27/06/2017 17:58:48
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I will have a chat on Monday about the top adit, G1 is helping me get steel into Lefel Fawr.

--

"How people get on with these things as a mobile device I cannot begin to imagine, but it certainly explains a lot about peoples behaviour."
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Owt

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Crossroads Levels, Cwmystwyth
Posted: 27/06/2017 18:55:12
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royfellows wrote:

I will have a chat on Monday about the top adit, G1 is helping me get steel into Lefel Fawr.


Thanks Roy. I am sorry that I am not free to help on Monday.
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Graigfawr

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Crossroads Levels, Cwmystwyth
Posted: 27/06/2017 19:51:36
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Grout1 wrote:


Definitely worth it for a view up Taylor's shaft


Be aware that the rubble you stand on to look vertically up the shaft is piled up on a timber staging across the shaft with a couple of hundred feet of water beneath the staging. There is a tremendous weight of rubble on the timbers and they will not support the weight indefinitely.
IP: 188.221.169.101
Grout1

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Crossroads Levels, Cwmystwyth
Posted: 31/03/2019 14:31:12
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Has anyone seen or know of a survey for this area of the Cwmystwyth mines? There appears to be a mixture of original and more modern survey marks. just wonderered if NMMC or AberCC had a drawn up survey.

Also of interest was the standing water in Taylor's shaft. The debris that lies a metre or so below the lower level intersection still seemed to be present, but it was flooded almost back to the level horizon.

I have never seen a pool of water here before and there had been a few dry days prior to visit.
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Wyn

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Crossroads Levels, Cwmystwyth
Posted: 01/04/2019 17:56:22
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I remember seeing a hand drawn plan and section on this area, with written notes in two sets of handwriting. It was dated about 1984. It was online a few years ago, I think it may have originated from AberCC. IP: 86.164.184.136
royfellows

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Crossroads Levels, Cwmystwyth
Posted: 01/04/2019 19:06:11
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You are correct, I have it in front of me, its dated 1981. But dont feel inclined to put it on line due to possible copyright.

It was given me some time ago by Simon H who drew it and who I have not seen for some time now.

Suggest contact Simon direct.

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