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Mine Exploration Forum

Author Talybont: Warning

Avatar of royfellows

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

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Talybont: Warning
Posted: 04/03/2008 10:18:06
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I feel obliged to post a warning about what is likely to be earthquake damage in the Talybont deep adit.

I therefore have to say this to make my point: DANGER OF DEATH.

Unfortunately, the earthquake, which had not even been felt at Talybont, has caused part of the floor of my timbered roadway to collapse into the backfilled understope below. Part of the hanging has cracked, and holes to water appeared in the floor. Oddly, although several of my upright timbers on the hanging side had fallen, the roof timbers have not moved, so the roadway is still clear. I expect that a downward slide has pinched the cross pieces in firmly.

Until it has been reinforced with steal and the crack styrene grouted it has to be considered unsafe. It will also have to be assessed over a time period, with something in place to monitor and measure any movement. At this therefore, all work forward has ceased. I have to express awareness that the backfill which constitutes the floor could all be resting on a timber stull far below in the flooded workings below deep adit, and could all be ready to go. However, timber that is permanently submerged is usually well preserved, so I consider this to be indeed possible but unlikely.

As the road remained clear apart from fallen timber and a small amount of rock, anyone who had been beyond when the incident happened would still have been able to get out without problem.

The far reaches of my project dig pass through a faulted and broken area, in one section I had to concrete my packwalls. I inspected this on Sunday after some remedial work on the roadway and found it unaffected. I was glad to get back out although only in there for about 15 minutes.

Access to the deep adit by way of my ladder shaft at the bottom of the air shaft remains unaffected, so visits to view the horse gin and pumping arrangements are still possible, but please contact me first.
The water level is currently waist deep maximum to visit gin chamber, but outbye towards the buried portal obviously sumps out.


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