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Post by endfeed on Feb 13, 2017 19:15:59 GMT
Replacing some internal cast stacks today, which are going to be Behind studwalls  they are down pipes for rainwater we are using the flexible connectors at bottom of cast, Got asked the question if the down pipes back up would they hold the pressure at the flexible coupler ,the building is about 10m high! So thats 1 bar. Also asked what fitting could be used to hold pressure if back up occurred I dont think there is anything but thought id ask just incase anybodys come accross anything  . The builders dont care about the elec,plum pipes behind the walls because they only quoted to build there bit. Cheers guys  |
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Post by tomplum on Feb 13, 2017 19:30:26 GMT
I'd say they'be ok, the joint can't blow off with all the wieght on top of it, I've no facts and figure to prove or disprove it but I'be confident fixing it to clamped flexi coupling,  |
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Post by battle1066 on Feb 13, 2017 19:34:00 GMT
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Post by battle1066 on Feb 13, 2017 19:36:59 GMT
At 6" the clips only rated at 18 psi ? So could end up feeling-blue-smiley-emoticonrain If your supplied poor quality clips as Jubille are top of the range.
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Post by endfeed on Feb 13, 2017 19:47:40 GMT
4'' cast but there s a few of them down the building, ill get soms pics tomorrow |
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Post by endfeed on Feb 14, 2017 17:09:09 GMT
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Post by endfeed on Feb 14, 2017 17:16:53 GMT
Used a mcalpine universal connector, pushes straight into cast👍
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Post by endfeed on Feb 14, 2017 17:19:37 GMT
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Post by endfeed on Feb 14, 2017 17:22:08 GMT
Jobs going weĺl still got two more to do hard graft removing cast and removing out of concreat floor smiley-chores017 chop
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Post by battle1066 on Feb 14, 2017 17:33:04 GMT
Looks just the job Endfeed.
What condition was the cast iron in since it was positioned internally within the building?
Why I ask is, I've worked on cast iron externally (mainly soil waste) and I've had it where it's been as good as new and other time super fragile especially just where it pops through the floor.
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Post by endfeed on Feb 14, 2017 17:43:43 GMT
Lots of cracks at bottom and leaking on joints the backs of pipes have rusted too. It used to be a bus depo years ago, its now gona be a cafe and offices😊
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Post by endfeed on Feb 14, 2017 17:48:57 GMT
Love those mc alpine universal connectors piece of piss to use.
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Post by battle1066 on Feb 14, 2017 18:10:34 GMT
How did you find the corner ones for cuting with the grinder?
I find the 4" can't get into do a clean cut and the 7" destroys the stub and snaps it below my chosen finish point. So I cut it higher than I want then work a top cut in so a section drops out so the 4" can reach the part it couldn't get to.
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Post by endfeed on Feb 14, 2017 18:24:58 GMT
Bit get left on at back were i cant reach with grinder.had to file it flush. Thats always bit i worry about! that its gona break further down always seems to go ok though knock it with hammer sometimes 😨.
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Deleted
Deleted Member
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Post by Deleted on Feb 14, 2017 20:34:22 GMT
Looks like you're doing a great job there endfeed and hard work too,,top job mate. |
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they are down pipes for rainwater we are using the flexible connectors at bottom of cast, Got asked the question if the down pipes back up would they hold the pressure at the flexible coupler ,the building is about 10m high! So thats 1 bar. Also asked what fitting could be used to hold pressure if back up occurred I dont think there is anything but thought id ask just incase anybodys come accross anything 
. The builders dont care about the elec,plum pipes behind the walls because they only quoted to build there bit. Cheers guys 
