In this article, you will know how to determine the drainage pipe sizes by yourself. If you are the one who is in the process of building your dream house, it may help you a lot. You will also get a sense of accomplishment, as every planning had your mind and heart.
Determination of plumbing code
In the process of building a home, water and waste delivery systems have to be installed. To determine this you have to know the plumbing code. From the plumbing good, you will get indispensable information like sizes and types of pipes needed. You have to know the pipe size and type required for the drain system, waste system and vent system. You can contact your local building department to get these details.
Plumbing code is uniform all over. A local jurisdiction may have deletions or additions in the code. This, it is always important to refer to the local building department to get the required details. You can use the uniform plumbing code to calculate the plumbing waste lines sizes required for the construction project.
Comparison for better results
The uniform plumbing codebook with the local building code is used to check whether both agree on a particular size. You have to make note of the differences if any.
Reviewing home’s blueprint
You have to review the Homes blueprint and assign the number of units’ fixture. You can do this according to the standards already determined in the plumbing code tables. You can find a table under the head “discharge of fixtures by units”. This will get you the required result.
Minimum drainage pipe sizes by fixture table
You have to add the number of units and get the total number of units. This will give you the discharge waste and vent system comparison units along with the minimum pipe diameter for specific fixtures.
Verification of the final drain
You have to make sure that the final drain into the sewer system is not smaller than the largest branch on the system. The largest branch on the system should be smaller than the main drain line.
You must now calculate the number of sanitary inlets which tie into a stack on the drain system. This will help you to determine the maximum number of fixture units that can be together in one stack. Referring to the table named”maximum number of fixture units on one stack” is very important. So keep along with the plumbing code book every time with you.
Soon after assigning the fixture units, minimum drainage requirements, and other inlets coming into the drain design the drain waste and vent plumbing waste system. For you to understand better you can draw the design on a graph paper and decide how to connect the system together.
See to that whether all the fixture that uses a trap is tied into a vent stack. Check the code requirement for approved piping, under certain jurisdictions restrictions to use some types of pipe. After you have installed the drain waste and vent system, it’s a water standing test. This is necessary for building department approval. Finally, you have to also include the cleanouts as well.
It is always recommended to have professional help or hire services for determining the drainage pipe sizes. It can save time, effort as well as money. It will also give you the expected quality when there was no confusion in determining the drainage pipe sizes.