Cathy---you need to give us some more details and a correct size---2x6 is too small for a shower and toilet---
photos help--a plan is also good in new construction---do you need to simply install the P-traps? or do you need to rough in the entire plumbing?
photos help--a plan is also good in new construction---do you need to simply install the P-traps? or do you need to rough in the entire plumbing?