Plumbing is one of the rough in elements of construction and is generally hidden by the finished elements such as walls floors and roofs.
Plumbing in cement floor.
How to install sewer septic and drain lines b.
Before the concrete trucks come the contractor fills in the area over the network of plumbing pipes and drain lines with compacted sand.
Once the concrete is out you can dig in the remaining trench to remove the sand or soil before running the new plumbing.
Here with this video you will learn some of the basic rules of thumb for doing rough in plumbing underground.
Once you have finished scoring all the concrete that lies in the path where the plumbing will be installed it s time to get the concrete out.
Removing concrete for plumbing.
Installing underground rough in plumbing under the cement slab before pouring the floor on the pole barn house.
Once the trenches are dug you can add the sewer pipes and stub outs pipes that sit above the slab floor that eventually connect the sink toilet bathtub or shower and any other drains to the system.
The most efficient and least expensive method of installing a basement shower without the need to break concrete is to install it over existing plumbing stub outs.
At this point you will no longer see the horizontal drainpipes and the main sewer line but you will see the stubs that extend vertically out of the sand.
Take your floor plan and measuring tape and check the location of every pipe.
There are two primary methods used for removing a scored concrete floor a jackhammer and or a sledgehammer.
The photo below shows a sink drain hot water line and cold water line at a stud wall on the outer edge of the floor slab.
Using the dimensions on the floor plan measure from the outside of the foundation walls or slab.
How to run plumbing under concrete.
This limits your ability to change the basement layout but if the stub outs are in place using them will save money and labor.
Considerations cutting through a concrete floor should be a last resort.