Question about approach for new project

[Jb9]

Hello,



I have a question about how folks approach new construction. More specifically, what is the general order of operations? My design is a 2-story with 2 1/2 bathrooms intentionally clustered around a single wet-wall/service cavity. There will be one horizontal branch and basically 3 bathroom groups each with a stack that will run vertically down to the horizontal branch (out the basement via an overhead sewer). Do plumbers start with locating the vent-roof penetration, then getting the main vertical stacks and (in my case) the horizontal branch aligned and in place before tackling the fixtures? In general, is there a best practice that most pro’s follow when approaching new construction? I understand that every project is probably different but I am just trying to understand how it all comes together in the context of all the subs.



Thanks.

 

[hj]

You start where the sewer enters the building and proceed from there connecting things as you go up to the roof.

 

[Sponsor]

 

[Terry]

You can work either direction. Most of the time on a new home I'm working down, starting with the vents.
If it's a slab on grade home, you have to start with the groundwork. The concrete then gets poured, the framers build the home, and you came back to top it out.
On large projects, you follow the framers upward. With cast iron piping, you tend to work upward.
But most of the time, if the home is framed first, and the ground work isn't in yet, I starting with the vents. In the 70's, I had a three man crew and we could rough plumb a three bath home in a day. Five a week.