Plumbing Under Raised Floor

There are two general types of raised floors.

Plumbing under raised floor.

The raised drainage platform was a necessity because the main drain the big black one on the right in the first picture did not have a place where we could connect the bathroom drainage to the rest of the house s drainage. In some instances heating ducts and some electrical cables are also buried. But it may run at an angle rather than straight out to the street. Pipes can leak under a foundation for a variety of reasons.

Using the dimensions on the floor plan measure from the outside of the foundation walls or slab. The two major plumbing codes in the united states is the ipc international plumbing code and the upc. Raising a bathroom floor is a large time consuming project. Modern plumbing has made it easier than ever for us to get clean water and to waste it.

The center of the lav s drain is located 18 approximately above the finished floor. Raising any floor a small distance is just a matter of making the subfloor thicker. Also notice the drain is centered right in the middle of this 30 inch vanity. There was no headroom.

He considers the 1994 law mandating low flow 1 6 gallon toilets and 2 5 gallon per minute faucets and showerheads a step in the right. There are a number of ways to raise a bathroom floor depending on how much it needs to be raised. So before you can do any real planning you have to find that line. Shifting ground soil whether from an earthquake or less drastic sources can cause.

We have to change the mind set that we can just turn on the water and let it run like niagara falls richard says. 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. So instead of breaking concrete we built the floor up to accommodate the plumbing. Diameter vertical pipe that runs into the basement floor.

Houses built on slabs at the very least have the plumbing drainage system buried under the slab. How to repair plumbing under a foundation. In a house with a raised floor system all mechanical systems are readily visible and almost always accessible. This can be done by adding more osb or by placing tile.

Also called raised flooring access flooring or raised access computer flooring a raised floor is a construction model in which an elevated floor is built above a building s original concrete slab surface thereby creating a hidden void between the two floors that is used for the passage of mechanical and electrical services. From there the pipe runs under the floor and out to the city sewage system under the street. The bathroom floor was previously raised about 10 extra inches relative to the rest of the floor for drain pipes that were run above the slab. First locate the main stack the large 3 or 4 in.