How to Build a Storm Drain

A storm drain is a system of pipes and inlets that carries stormwater runoff away from impervious surfaces, such as roads and parking lots. Storm drains help to prevent flooding and erosion, and they also improve water quality by removing pollutants from runoff.

Step 1: Design the storm drain system

The first step in building a storm drain is to design the system. This involves determining the size and location of the pipes and inlets, as well as the slope of the pipes. The design should be based on the amount of rainfall that is expected in the area, as well as the topography of the land.

Step 2: Excavate the trenches

Once the storm drain system has been designed, the next step is to excavate the trenches for the pipes. The trenches should be deep enough to allow for the proper slope of the pipes.

Step 3: Install the pipes

The next step is to install the pipes in the trenches. The pipes should be made of a material that is resistant to corrosion, such as PVC or concrete. The pipes should be connected together using watertight joints.

Step 4: Install the inlets

The next step is to install the inlets for the storm drain system. The inlets should be placed at low points in the landscape, such as at the bottom of hills or at the ends of driveways. The inlets should be covered with grates to prevent debris from entering the system.

Step 5: Backfill the trenches

Once the pipes and inlets have been installed, the trenches should be backfilled with soil. The soil should be compacted to prevent the trenches from settling.

Step 6: Test the storm drain system

The final step in building a storm drain is to test the system. This can be done by pouring water into the inlets and checking to make sure that the water flows through the system properly.

Conclusion

Building a storm drain is a complex process that requires careful planning and execution. However, by following the steps outlined above, you can successfully build a storm drain system that will help to protect your property from flooding and erosion.