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What is the purpose of this.

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westward10

westward10

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Was visiting the priory at Canons Ashby when I see several of these dotted around the building. A date at the top indicates 1982 so not part of the original building fabric. I know what they are but anyone else. The top has been cut off but it just ends at a bowl shaped affair.
[ElectriciansForums.net] What is the purpose of this.
 
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Maybe there's no rainwater coming down them now... but I'm almost certain that's what the original purpose of them was. They were probably reinstated in 1982 so as to comply with listed building regs ? Can you go back there again and take another pic of the top part ? Also the bottom part too would be useful...
 
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Mikegh said:
Anything to do with concealing lightning conductors
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You are correct but they are not concealing a conductor they are the conductor. At the base, not shown is a test label and an electrode bolted to the bottom. It was difficult to tell but they could also be acting as downpipes but I am pretty sure they aren't as the top didn't appear to connect to anything else. I have seen decorative tops to protection systems but not these parts.
 
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westward10 said:
You are correct but they are not concealing a conductor they are the conductor. At the base, not shown is a test label and an electrode bolted to the bottom. It was difficult to tell but they could also be acting as downpipes but I am pretty sure they aren't as the top didn't appear to connect to anything else. I have seen decorative tops to protection systems but not these parts.
Click to expand...
Was thinking they might be the actual conductor but dismissed it
 
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Mikegh said:
Was thinking they might be the actual conductor but dismissed it
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There's my girlfriend looking at the gardens and me looking at lightning protection ?
It was the test notice that drew me to them because I just thought they were downpipes.
 
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GBDamo said:
That roof looks to go down behind a parapet wall and the things at the top look like collectors/hoppers that will be draining the gully behind the parapet wall.

View attachment 87270
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It is possible but the apparent collector has a dome on it but it could enter behind that. That aside the notice on them states they are lightning protection.
 
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westward10 said:
It is possible but the apparent collector has a dome on it but it could enter behind that. That aside the notice on them states they are lightning protection.
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Could be that they are earthed as the present a risk of lightning hitting them rather than being installed specifically for that reason, or two birds with one stone.
 
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GBDamo said:
Could be that they are earthed as the present a risk of lightning hitting them rather than being installed specifically for that reason, or two birds with one stone.
Click to expand...
Possible as I have seen downpipes linked to the protection system but there seemed to be no other downward sections and the electrode at the bottom indicates they are integral to the system. Maybe the case there is a grid on the roof and the downpipes were an inconspicuous way to ground it.
 
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I wasn't sure where Canons Ashby was so I set the sat nav, 25 odd minutes.
"Why are you going this way"
"Following sat nav"
"I pass it every time I go to my sisters I know the way", sat nav turned off
45 minutes we get there, I say nothing??
 
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westward10 said:
I wasn't sure where Canons Ashby was so I set the sat nav, 25 odd minutes.
"Why are you going this way"
"Following sat nav"
"I pass it every time I go to my sisters I know the way", sat nav turned off
45 minutes we get there, I say nothing??
Click to expand...
Classic.
 
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Looking at pictures of the Gable end of the building there is it would seem a box gutter behind the parapet and as usual in buildings of that age the gutter would discharge through the parapet either by a Gargoyle to avoid the water cascading down the face of the building or with the addition of a hopper and down pipe, these may be added later to control the water better, it was also common for a centre courtyard to have water discharge straight into the yard and have a rainwater collection tank underneath it to provide the buildings water requirements, normally for cooking and horse's, the main drink being a Mead of some kind.
 
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