Running Pipe Through Floor Joists San Diego Code

Or find a better way to run that pipe at 2 diameter that seems to be a venting pipe.

Running pipe through floor joists san diego code.

A plumber says never cut through the joists and a new waste pipe will need to be installed. The national electrical code which is the basis for all local building codes has specific regulations for installing electrical wires so that they are protected from damage. The holes must follow a straight line across the floor and must ascend or descend so the pipe will be sloped 1 4 inch per foot. This is an engineering question and has to do with the structural loading of the floor above and the reduced load ratings on those joists.

In the case of your 2 10 joists the maximum diameter is 35 64 in. That gives you a 5 1 4 in. Ken may 10 17 at 2 23. As a general rule you can run 1 2 inch pipe to most fixtures.

Or you could box the pipe run and shield it. Where the toilet is now will be the sink and vanity. The holes will have to follow a straight line that goes across the floor and has to either go up or go down so the pipe has a slope. Section g2415 404 piping system installation.

Step 4 cut the holes. Different fixtures place different demands on supply pipes. Notches can t be deeper than one sixth of the joist depth. You also have to leave at least 2 in.

When you run your pipes through a joist you will have to be careful with your work. Piping run concealed in finished spaces has to be installed through the joists and protected from physical damage. You are going to need to add joists to accommodate the load of the second floor. Area in the middle of the 2 10.

Each fixture has a demand rating based on fixture units see chart. The slope should be about 1 4 for each foot of pipe. Step 3 understand the joist slopes. One contractor says he will run the pipe to the waste through the joists.

Running drainpipe through joists calls for meticulous work. Run 3 4 inch pipe to a hose bib or a water heater. Of solid wood between the top and bottom edges of the joist and the edges of any hole. These pipes run from the distribution pipes to the fixtures.

Running drainpipes through floor joists is more complicated than running them parallel to the joists. If joists are 16 inches on center and pipes run across them at a right angle holes should differ in height by about 3 8 inch. Or be run in black or galvanized steel. Each joist must have a separate notch or hole and each hole should be about 1 4 inch larger.

At this time the joists are not exposed so i am going on the assumption that they are 2 10 s.