Drill a 10cm dia hole in reinforced concrete


Postby torsheedavies » Thu Dec 18, 2008 11:22 am

The house has a downstairs toilet only. I want to put one in the bathroom which is directly overhead. There is a waste pipe from the bathroom down through the reinforced concrete floor. The floor is 18cm thick. The hole for the waste pipe is about 5cm dia. I do not want one of the electric toilets which would grind the waste up to pass down a small pipe. So I need to make a 10cm dia hole in the reinforced concrete. What is the best way to do this?
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Postby stoneyboy » Thu Dec 18, 2008 12:31 pm

torsheedavies,
Hire yourself a diamond core bit and drill.
end
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Postby plumbbob » Fri Dec 19, 2008 9:37 pm

Be very careful as drilling that size hole through a concrete floor may depending on the construction, seriously compromise the structural integrity of that section of floor.
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Postby TheDoctor5 » Tue Jan 27, 2009 8:39 am

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