How to drill a new toilet waste?

kapricorn

I am renovating my bathroom and I want to relocate the toilet to improve the functionality of the space so I need to drill a new toilet waste in the floor. I have an old Federation era house with a good sized (3m x 3m) bathroom that was added in the 1950s. The floor is concrete about 100mm thick and re-inforced with small diameter mesh steel and suspended about 1.5m above ground with the original corrugated iron sheets still in situ.

My questions are:

1. Would a core drill (120mm dia) or a jackhammer be more suitable? (I have a jackhammer but not a core drill)

2. If I used a core drill, what type of core drill would go through both the re-inforcing steel mesh, the concrete and the corrugated sheeting?

3. Would an Ozito 900W Rotary hammer drill handle the drilling or would i need to hire something bigger?

Thanks in advance for your assistance.

Cheers Kapricorn  

MitchellMc

Welcome to the Bunnings Workshop community @kapricorn. It's wonderful to have you join us, and many thanks for your question about drilling a toilet waste.

You'd need to use a diamond core drill bit to get through the concrete and mesh. A jackhammer will work, but you'll still need to cut the mesh, which will be difficult unless you can break the concrete below and get a reciprocating saw in there. Bit of a rough job, though.

For core bits of that size, you'd typically be looking at something with a bigger motor like the Full Boar 2000W 150mm Core Drill. It also comes with a coolant feed line. It would be best if you took it very slow when you hit the rebar or risk breaking teeth or wearing the diamond coating off. However, it will give you a much cleaner hole than any other method.

Please let me know if you have any questions.

Mitchell