Enlarging and Relocating 2 1/2' Drain
Posted by Chris on September 14, 1998 at 22:09:57:
I am curious what your suggestions might be for the following. I need to cut into a foundaion and install larger pipe for a floor drain. The room is going to be turned into a three head shower. The problem is that there are no existing prints to reference. How accurate are locators for finding cast iron pipe in a slab? Also, assuming a 4" sewer line, how wide should I cut to ensure enough room to cut the pipe and install new fittings?


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