#moving bathroom plumbing

My wife and I recently purchased and moved into a 120 year old home in Arvada, CO. The home was moved to its current location in the 1940s so the oldest plumbing is from that time. I'm working on finishing the bathroom (plumbed as a 1/2 bath, expanding to 3/4) in the basement for the...

I am replacing a double sink vanity with a new double sink vanity. For reasons i will not go into I can not alter the back of the vanity. The drain pipes (s) going into the sink drain , coming out of the wall need to be moved up about 3 inches (coming out of wall) to clear the back of the...