Polperro Sea Outfall · AditNow Community

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derrickman
50.2% (Neutral)
Newbie Topic Starter

16 years ago

http://www.polperrofestivalsandlights.co.uk/documents/flooddefence.pdf

surfing about and found this. Definitely a bit different. Both ends are securely gated and the Swallow Cove end is inaccessible by any normal means, but it's there

from recollection there is a dropshaft about 6m deep under the car park, down to the main drive

the Clerk of the Works was a former Geevor Mine Captain called Jeremy Green. Miners were a mixed bag of Irish, Geordies and even one or two Cornishmen, I believe the shotfirer was local.

''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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carnkie
50.2% (Neutral)
Newbie

16 years ago

Looks like a very neat piece of engineering. Essentially, if I'm reading this right, they have built a tunnel from the carpark to Swallow Cove that can be brought into operation when the situation arises. Problem solved.

As you are aware flash floods are a major concern in this part of the world and will probably become more frequent but I suppose solutions will vary from location to location. As you know there was a tragic one recently at Zennor.

The past is a foreign country: they do things differently there.

derrickman
50.2% (Neutral)
Newbie Topic Starter

16 years ago

that's about right. There is a side branch to the stream lower down.

the access is via wiers which over-top when the flow reaches a certain level, and discharges into the outfall.

the overflow was once accomodated by a low-lying area which acted as a surge brake, but uncontrolled infilling of the valley to extend the carpark over the years had removed this rather useful local feature....

''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.