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Mine Exploration Forum

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Author Wheal Harriett or Dolcoath
Knocker

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Wheal Harriett or Dolcoath
Posted: 16/10/2012 07:39:57
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Perhaps cormac aren't keen on people seeing their capping methods.... IP: 90.221.39.42
stuey

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Joined: 15/08/2007

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Wheal Harriett or Dolcoath
Posted: 16/10/2012 07:49:55
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Interesting stuff Roy.

Can you easily get around the back side of it all?

BTW, they are opening Reades Shaft somewhere else today.
IP: 94.197.23.168
Dolcoathguy

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Joined: 21/05/2008
Location: Camborne, Cornwall

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Wheal Harriett or Dolcoath
Posted: 16/10/2012 10:01:18
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This morning the local wildlife had parked a shopping trolley outside the fence and placed all the cones in various places in the road.

Reade's is that the one where we had the discussion about Bats?

--

Is it safe to come out of the bunker yet?
IP: 194.126.226.123 Edited: 16/10/2012 10:05:07 by Dolcoathguy
Roger the Cat

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Joined: 12/11/2007
Location: Gloucestershire

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Wheal Harriett or Dolcoath
Posted: 16/10/2012 10:50:04
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Looking at Roy's fith photo showing a close-up of the hole nearest the bench, can somebody confirm whether or not the top is being held up by what looks like a 100mm-150mm concrete slab with nominal mesh reinforcement. From a distance it looks a bit like an ice-cream wafer - with similar structural properties, no doubt. It could be just top-soil, of course. IP: 79.75.88.8
lozz

Joined: 03/08/2012
Location: Cornwall

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Wheal Harriett or Dolcoath
Posted: 16/10/2012 16:39:09
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Do I take it that the area concerned is a public space controlled by the LA? Excuse ignorance, if so who is advising them on any remedial works?

Lozz.
IP: 109.152.79.200
stuey

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Wheal Harriett or Dolcoath
Posted: 16/10/2012 17:21:43
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I went to have a look and there is a bloody big digger on site, along with a place to make tea, things that carry water for tea and a place to sit down and drink tea. The main "standing in a circle looking at someone doing something until the man with the new rigger boots and new high viz jacket comes out with a clipboard and wonders what is going on" area is as-was.

It doesn't look like the sort of calibre set up which has been employed at other CC run shaft/stope capping operations.

If I was to air my thoughts, they would include the words "Big pour" "Hillbillies" and "Concrete". The words "quality" "well planned" and "understood" do not immediately spring to mind. However, I'm sure they will dig out some expert who knows exactly what to do. (pour concrete in it and pretend all is well, which it will be, until that starts moving as well)

Edit:- Roger, you are right. That is 100mm of concrete with some mesh.
IP: 94.196.170.124 Edited: 16/10/2012 17:24:15 by stuey
lozz

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Wheal Harriett or Dolcoath
Posted: 16/10/2012 17:42:38
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Seem to remember Telegraph Hill, St Day was always on the move years ago, did they ever fix that one?

Lozz.
IP: 109.152.79.200
The CORMAC Man!

Joined: 16/10/2012

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Wheal Harriett or Dolcoath
Posted: 16/10/2012 18:25:46
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Good Evening to you all!

I see that you have all expressed a keen interest in the voids so i thought i would register to ensure that you are kept informed.

CORMAC have been engaged to investigate the voids and yes we have now got somewhere to drink tea! H&S nowadays dictates that it is a must.

The fencing may not be the aesthetically pleasing however it has been erected to serve a purpose and that is to prevent access! We are only hiding the works from the people who do not want to view them (not everyone likes the thought of massive holes opening up in the ground) i will post progress photographs of the works on site to keep you all informed.

No fencing has been pinched as suggested but vandalism and trespass has occurred. The police have been informed and will be monitoring so please help me to protect the public and report any concerns you may have.

We have an experienced project team on board which contains ex local miners and CSM engineers some if not all of them you will know!

I have been following this forum since Friday and must say your local knowledge of the mining history has been extremely helpful. I am a Camborne man but too young to remember much of our important history so any further information you have in regards to the areas history would be much appreciated.

Just for info we commence excavation tomorrow and from this we can evaluate our options for the most suitable design - but yes you are all correct plenty of concrete is likely to be involved.

Any questions please do not hesitate!

Best regards
IP: 193.35.158.39
lozz

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Wheal Harriett or Dolcoath
Posted: 16/10/2012 18:33:00
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So there yer go, the horses mouth not the horses arse.

Lozz.
IP: 109.152.79.200
scooptram

Joined: 22/05/2007

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Wheal Harriett or Dolcoath
Posted: 16/10/2012 18:49:07
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its a shame you couldnot leave a manhole in the caping there is possably some very intresting things around that area

--

playing with tin stream works
IP: 86.171.151.3
KH....

Joined: 27/10/2010

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Wheal Harriett or Dolcoath
Posted: 16/10/2012 19:06:08
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Looks like they mean business today!
Hope it has a low ground pressure ;-)
Looking forward to the pic's, CORMAC Man!
IP: 95.147.58.82 Edited: 16/10/2012 19:08:41 by KH....
The CORMAC Man!

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Wheal Harriett or Dolcoath
Posted: 16/10/2012 19:08:49
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We mean business alright! the local rock still has us scared though Wink anyone up for some blasting? (Only Joking!) IP: 193.35.158.39
Dolcoathguy

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Location: Camborne, Cornwall

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Wheal Harriett or Dolcoath
Posted: 16/10/2012 19:16:51
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Hi Cormac Man.
Have you managed to get Allen Buckley involved? He is one of the main experts on this mine. Any photos posted of the work will be very much appreciated.
It will be extremely interesting also to establish what caused the collapse, whether it was a failure of the previous cap or timbers covering a stope that have collapsed or something else.

Thanks for posting here
Smile

--

Is it safe to come out of the bunker yet?
IP: 89.242.53.1 Edited: 16/10/2012 19:17:41 by Dolcoathguy
KH....

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Wheal Harriett or Dolcoath
Posted: 16/10/2012 22:02:58
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Interesting project Cormac man! Has any drilling been done before sending the swing shovel out onto what I presume is an unknown collapse of ground, the visible hole does not mean that is the extent of unstable ground or perhaps you have more info on on it.
I do hope that you are able to keep us up to date with developments and pic's, some of us are very interested in the situation.
Thanks for your postings.
Edited.

As an aside I might have spotted a 'flock' of bats heading in there recently, perhaps a case for 'scooptrams' manhole access?
IP: 95.147.58.82 Edited: 16/10/2012 22:14:29 by KH....
stuey

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Wheal Harriett or Dolcoath
Posted: 16/10/2012 22:24:48
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I was yapping to someone else who makes a living by being a hole expert. It seems that it's in the right place to be on the outcrop of main lode.

I recall that Dolcoath had a count house fire and a lot of the original plans were destroyed. (that assumes that anything above adit was actually recorded)
IP: 94.197.253.36
Knocker

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Wheal Harriett or Dolcoath
Posted: 16/10/2012 23:26:32
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That would have the potential to be one mother of a hole! Could keep every concrete plant in Cornwall busy for years to come!!!! IP: 90.221.39.42
Roy Morton

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Joined: 09/10/2007
Location: Redruth Cornwall

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Wheal Harriett or Dolcoath
Posted: 17/10/2012 02:43:49
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Just shows you how things can change in a relatively short space of time.
50 years difference between these extracts from OS 6"
The clock tower is particularly interesting.



(click image to open full size image in new window)

Note that the then new Dolcoath avenue, is marked as Dolcoath road.



(click image to open full size image in new window)



--

'Bid me discourse, I will enchant thine ear'
IP: 86.152.102.158 Edited: 17/10/2012 02:50:03 by Roy Morton
Dolcoathguy

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Wheal Harriett or Dolcoath
Posted: 17/10/2012 06:53:43
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Also the object marked as an Engine house at the end of Dolcoath ave is more likely the Old Compressor House..

The Terrace where I live is shown as 3 plots but it has been 4 since 1919....

to name but a few more mistakes

I have searched for any remains of the clock tower, but its behind small pond in lots of thick undergrowth, I suspect all that I will find is a base...

--

Is it safe to come out of the bunker yet?
IP: 194.126.226.123 Edited: 17/10/2012 07:07:11 by Dolcoathguy
derrickman

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Wheal Harriett or Dolcoath
Posted: 17/10/2012 09:19:19
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I'd be curious to know how long CORMAC Man has been reading the website.

Apart from the local and historical knowledge there are also members here with considerable professional experience of this sort of exercise, much of it current or recent.

I would have thought a laser scan down a borehole would have been a valuable first step, you can learn a great deal from an exercise of that sort and it doesn't take long

--

''the stopes soared beyond the range of our caplamps' - David Bick...... How times change .... oh, I don't know, I've still got a lamp like that.
IP: 93.88.81.158
rikj

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Wheal Harriett or Dolcoath
Posted: 17/10/2012 12:03:14
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The CORMAC Man! wrote:

I have been following this forum since Friday and must say your local knowledge of the mining history has been extremely helpful.




--

'If the rule you followed brought you to this, of what use was the rule?'
IP: 31.53.143.133
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