Shower Remodel

Greetings all. First post in this group so be easy on me!
I am looking at remodeling my shower and adding an additional 4 feet of shower by stealing it from my master closet. The issue is that the wall separating the two contains the shower piping. I have already torn away the drywall from the inside of the closet to revel 2 sets of copper piping coming up from out of the slab. The the two inner pipes are bent and joined with the two outer pipes, respectively. The two outer pipes then travel up the wall and bend into the single handled 3- way valve which then goes to the shower head.
I can only assume that the inner pipes go back into the slab and travel under the slab to feed the bath tub not 4 feet away from the shower. Obviously, only a guess. Regardless, my issue is that I want to knock the wall down that my shower currently occupies keeping the drain in the same location. I assumed the easiest thing would be to break up some of the slab around the pipe and cap of the pipe and run some new pipe in the attic for the new shower.. however it now appears with the addition of the 4 pipes coming up from the slab, that I can't just cap them off and some joining of pipe will have to occur.
So, that leaves me with my question: Does that leave me with cutting the slab? I assume that is something I should spend the $$ and hire out?
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hobbzilla wrote:

A little difficult to picture, but would it be possible for you to "excavate" the slab (saw/chip) right around the pipe stubs down maybe a couple of inches? Then solder in a loop that would be just below whatever floor level you need to achieve.
It doesn't sound to me like a massive carter needs to be created for this.
Can you post photos (not here, on a photo site)?
Jim
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wrote:

Take the path of least damage. Sounds like you just need a small place cut out to drop the pipe connections.
Gas powered machines are nasty in a confined space like your bath. I've cut my slab for a shower/tub upgrade..btdt.
Remove what you need in the slab to get down into the slab. Try an air hammer/chisel - rent one for the day. -- Oren
"My doctor says I have a malformed public-duty gland and a natural deficiency in moral fiber, and that I am therefore excused from saving Universes."
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wrote:

Oh, and check too determine if this slab has tension cable. Of those in my house; one ran right through the master bath slab.
-- Oren
"My doctor says I have a malformed public-duty gland and a natural deficiency in moral fiber, and that I am therefore excused from saving Universes."
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