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I have a 2 bowl Kitchen sink that has the usual pipework underneath.
I'd like to, using parts like these:
https://www.bunnings.com.au/caroma-50mm-extended-double-bowl-connector_p4783979
https://www.bunnings.com.au/caroma-50mm-adjustable-60-225mm-cap-and-lining_p4784080
https://www.bunnings.com.au/kinetic-1000mm-stainless-steel-flexible-braided-hose-water-connector_p04...
https://www.bunnings.com.au/kinetic-250mm-stainless-steel-flexible-braided-hose-mixer-tap-extension-...
to split the waste underneath into a 3 part waste and to split the hot and cold water to make a coffee station in my lounge room in a built in cabinet.
below is a drawing of the idea from above and from the front running through the cabinet.
My question is, is this allowed/ would this be okay/how would this be done in a new build house?
Hello @Genises
Welcome to the Bunnings Workshop community, it's sensational to have you join us, and thanks for sharing your question about modifying your sink.
Just a friendly reminder that any plumbing work needs to be carried out by a licensed plumber for safety and compliance.
Generally speaking, your idea is definitely possible. But I suspect that a plumber would run the plumbing underneath your cabinetry to avoid cutting into your cabinet walls. They would use copper pipes and brass fittings to create the water extension and PVC pipes for the wastewater. Although the parts you mentioned would possibly work, its not how a plumber would arrange the fittings and should any catastrophic leak occur, it would not be covered in your insurance.
If you need further assitance, please let us know.
Eric
