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Mine Exploration Forum

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Author Wheal Harriett or Dolcoath
Morlock

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Joined: 31/07/2008

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Wheal Harriett or Dolcoath
Posted: 19/10/2012 15:50:37
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Very interesting pics, thanks Smile IP: 86.29.190.242
stuey

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Joined: 15/08/2007

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Wheal Harriett or Dolcoath
Posted: 19/10/2012 17:55:29
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That's run in a bit since I looked at it.
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lozz

Joined: 03/08/2012
Location: Cornwall

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Wheal Harriett or Dolcoath
Posted: 19/10/2012 18:06:06
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Better than Eastenders is this.

lozz.
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pengegon pixie

Joined: 18/10/2012

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Wheal Harriett or Dolcoath
Posted: 19/10/2012 19:08:35
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Gorthuher da!

Just walked past the site,spotted the local nutter shining a torch into what looks like a vent pipe.Asked him what he was doing,he said he was looking for Gus Shocked
IP: 86.129.228.174
pengegon pixie

Joined: 18/10/2012

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Wheal Harriett or Dolcoath
Posted: 19/10/2012 19:26:34
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Talking to another local apparently, not many shiny coats today! But two workmen seemed to know what they were doing and that more workings could be exposed on Mon Big Grin IP: 86.129.228.174
The CORMAC Man!

Joined: 16/10/2012

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Wheal Harriett or Dolcoath
Posted: 19/10/2012 21:34:22
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We are conducting a full and detailed investigation in the area to ensure the soloution we adopt will be the right soloution for all parties involved. I have and will continue to listen to the forums views but please understand my priorities are to provide best value to my client and deliver a safe remedy in an efficient manner with quality to match.

I would love to be able to provide access into the workings and would join you in the exploration but I am afraid this will never be a possibility.

As mentioned in a previous blog we have uncovered the vent pipe to dunkins garden? Footway? Shaft (its one of them anyway). We dropped a tape down it with a weight and measured the pipe length to be around 8mtrs, the tape continued its decent until we ran out of length at 30m. No design details for either cap can be found! (fairly useful having the main man for the job knowing he capped the others in 92! Still reckon its job creation lol!) So if any info on these is available I would be interested.

Just in case your expecting to visit a nicely accessible hole you will be sadly disappointed as we have dumped a few tonnes in the void for safety!

Laser scanning sounds really smart but also expensive! Following the investigation the risk does not warrant the cost of such a survey.

The wheal is likely to be removed to store next week and relocated on completion and it is likely we will investigate the noticeable depression in the opposite field following our current works unless any further movement becomes apparent!

I hope this has been a good insight into our week and look forward to posting more developments next week.

Derrickman if you would like to leave your contact details with my office 01209 615066 on Monday.

Thanks and regards Big Grin
IP: 31.123.89.77
Peter Burgess

Joined: 01/07/2008
Location: Merstham. Or is it Godstone ...... ?

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Wheal Harriett or Dolcoath
Posted: 19/10/2012 21:57:38
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lozz wrote:

Better than Eastenders is this.

lozz.
That's not difficult!

--

Hé ! Ki kapcsolva le a villanyt ?
IP: 92.10.171.224
KH....

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Wheal Harriett or Dolcoath
Posted: 19/10/2012 21:58:41
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Thanks for the update and pic's Cormac Man.

Looking at your photo's it does look more like a shaft than a stope, should be an easier job for you!

Laser scanning is only of any use if there is a void, perhaps below the possible blockage?
Was the vent pipe you discovered buried, won't vent much then!
Keep us up to date please, we appreciate your posts.
IP: 95.147.58.82
pengegon pixie

Joined: 18/10/2012

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Wheal Harriett or Dolcoath
Posted: 19/10/2012 22:01:32
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Fatla gena whye CORMAC Man? Is it true the sheave wheel is from Wheal Jane mine and have you seen Gus on site? IP: 86.129.228.174
The CORMAC Man!

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Wheal Harriett or Dolcoath
Posted: 19/10/2012 22:13:13
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Dydh da pixie

Who is Gus? A bunny? No a cat? Then yes two infact! One black the other ginger ballsy and brave both enjoy a prowl around the site! No collars so if the owners are reading please ask your kitties to read the signs!

As for the wheal no idea about its origin - all I know is I will need a crane to get it out!
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pengegon pixie

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Wheal Harriett or Dolcoath
Posted: 19/10/2012 22:31:30
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Definitely stoping as well as shafts.

Gus is a rabbit once a tv star, I think the cats mentioned are after him! he can't read either he's lost his glasses Oh My God
IP: 86.129.228.174
pengegon pixie

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Wheal Harriett or Dolcoath
Posted: 19/10/2012 22:50:01
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Local nutter just informed me Augustus J Honeybun flies in from Flambards most nights,loves the carrots in Dunkins garden. Devil IP: 86.129.228.174
KH....

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Wheal Harriett or Dolcoath
Posted: 19/10/2012 22:56:10
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Thanks, I was wondering if Gus was still over at Flambards!
Happy days!
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derrickman

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Wheal Harriett or Dolcoath
Posted: 20/10/2012 03:26:30
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laser scanning is very effective and not particularly expensive. It was extensively used at Combe Down where the problems were controlling the quantities of concrete placed in voids of unknown extent, and preventing cement contamination of local water flows.

Most of this was carried out by Hydrock who I am sure are well known to you.


by the by, it's not forum etiquette to include pm content in open forum posts


--

''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.
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The CORMAC Man!

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Wheal Harriett or Dolcoath
Posted: 20/10/2012 07:50:39
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I do not have the pm fictions available so if you are not happy to voice information openly then please find an alternative way in contacting me either through our website www.cornwall.gov.uk/cormac or by phone.

Thank you
IP: 31.123.89.77
christwigg

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Joined: 20/02/2008
Location: Cleveland / North Yorkshire

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Wheal Harriett or Dolcoath
Posted: 20/10/2012 08:18:49
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The CORMAC Man! wrote:

I do not have the pm fictions available so if you are not happy to voice information openly then please find an alternative way in contacting me either through our website www.cornwall.gov.uk/cormac or by phone.

Thank you


I've turned PM on for you.
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Knocker

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Wheal Harriett or Dolcoath
Posted: 20/10/2012 08:35:00
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The sheave wheel was most definately from Jane - I guess it was going to have to move soon anyway IP: 90.221.39.42
pengegon pixie

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Wheal Harriett or Dolcoath
Posted: 20/10/2012 08:56:40
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Thanks Knocker, you don't know if it was from Clemows or No2 shaft? IP: 86.129.228.174
scooptram

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Wheal Harriett or Dolcoath
Posted: 20/10/2012 09:33:44
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think they are from clemows

--

playing with tin stream works
IP: 86.179.130.114
stuey

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Wheal Harriett or Dolcoath
Posted: 20/10/2012 10:10:31
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The capping which was done over there was most certainly per the official plugging/capping done at the time, which was quite accurately specced.

They also (which was decent of them) had CAU to look at the site and note features as capping progressed. These reports are available in the back of the CSL in folders. You have to wade through them, they had a splurge of doing loads of them. It is pretty sad that there were fenced off and walled around shafts with descriptions like "Shaft 5x4ft, granite collar with steel ladders in situ" and they pretty much dug back to rock, did their 30 degrees slant, put the beams and deck in, did a 30cm pour and then did the 2m pour after that. It was totally and utterly unnecessary and a load of decent, interesting places, like Binner Downs and Wheal Bucketts (to name a few-as well as bat habitats) were destroyed at a whim.

From what I gather, the main capping programmes which followed any done by working mines were.

80's. Operation Minecap. These are the basket "clwyd caps" you see which are either done in the manner of beams/board/concrete/backfill/basket or where they threw a cone in the shaft, put some junk in it, then concrete and then another cap. I've seen a few of these pulled out and the concrete isn't that thick.

80's-90's I gather Cornish Tin (or similar) were plugging shafts as a payment of removing tips. These have small stone box markers with an internal vent pipe. I've seen these around St Day (Green's and Lemon's west shaft) as well as a couple up at Tresavean. I have a feeling that they are probably responsible for the re-bar and block bat castles like at Creegbrawse and Polberro.

Then you have the 90's Kerrier/Carrick plugging program with the cork shaped markers ( sometimes containing vent tube) and also the big boxy bat castles.

Subsequent things have included the practice of using the above plugging style for blocked shafts marked with sleepers. Thomas' Shaft Basset, or Taylor's Whim Consols, and then the circular bat castles you see around consols, buller, etc.

There are a few style changes in the 90's programme, I gather different firms came up with different finishes/shapes. See Hidderley's near Roskear, Kite's Shaft of West Towan, etc, etc.

I have a general schematic for plugging guidance. I'll put it up later.

If you have a 90's or Cornish Tin plug, it will survive a direct hit from a nuclear missile. Everything else around it will disintegrate first.
IP: 94.197.255.218
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