p-trap or modified s-trap question

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flazoom

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I am attempting my first bathroom renovation (its a 1/2 bath) and am in a bit of a bind with installing the new vanity and sink. The new vanity is a raised model with a shelf that is 14 inches from the floor. Of course the existing p-trap is at a height of 13 inches from the floor now that I installed new tile. The pvc pipe coming out of the wall does not give me any room to install a new 'higher' p-trap unless I put a second bend that would essentially create an s-trap that will enter the wall at a 90 degree bend instead of dropping straight down. Is this an acceptable solution? My other option is to cut the wall and raise up the drain pipe to install a standard p-trap configuration. 'cutting the vanity shelf is not an option in this case. Thanks for any advise.
 
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flazoom

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Thank you hj,
Since the problem is only about an inch clearance issue, is it ok to install the new p-trap closer to the sink drain (2-3 inches higher than the original) and have a slightly steeper angle drain pipe from the trap itself to the waste pipe in the wall? It looks like the original trap is 2 inch pvc. I could replace with a 1 1/2 inch trap which if raised a bit might give me clearance. Would this approach cause a problem?
Thanks in advance for any help.
 

hj

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trap

Since the problem is only about an inch clearance issue, is it ok to install the new p-trap closer to the sink drain (2-3 inches higher than the original) and have a slightly steeper angle drain pipe from the trap itself to the waste pipe in the wall?

I am confused by the above statement, regarding a inch clearance and 2-3 inches higher. I do not know how you would be able to angle the trap outlet downward and still make the connections at either end, unless you used a flexible corrugated device which is also not permitted, even though they make and sell them.
 
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