Fixture Unit Calculations

This is the header of a typical plumbing fixture schedule. You need to be an expert to fill in all the blanks correctly. Good luck if you try it yourself or CLICK HERE to have it done by a professional.

Fixture Unit Calculations - They Must Be Correct!

Your building department may require you to provide fixture unit calculations to obtain a plumbing permit.

These are very important as the calculations show to the department that the drain pipes you plan to use are sized properly.

Because of the physical laws on Earth and how gravity works, pipes of a certain inner diameter can only allow so much flow.

Master Plumber Tim Carter Can do the Calcs

Allow Tim Carter, a master plumber, to do your fixture unit calculations. He has been doing them since 1989 and you can get a permit in a jiffy

Tim can also draw your plumbing isometric drawing or your required plumbing riser diagram. He provides 24-hour service as an option if you're in a hurry.

Go here to see all of the plumbing plans, isometric drawings, gas-line drawings, water-line drawings, etc. that Tim can do for you.

Tim Carter has been a master plumber since 1989. He knows all about plumbing fixture schedules.