Q:

How do you install a perforated drain pipe?

A:

Quick Answer

Installing a perforated drainage system can be a labor-intensive project that includes digging a sloping trench and laying down a landscape fabric in addition to laying the perforated pipes. When installed properly, perforated drainage pipes help channel away water from a building structure and prevent flooding or water from pooling.

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Full Answer

The following steps show how to install a perforated drainage pipe system.

  1. Start digging
  2. Check with the local building code for the required depth of the trench before digging. Select the best area around a structure to dig the trench. The trench must be at least two times wider than the pipe and deeper than the frost line. Bigger projects may require a backhoe to facilitate the digging.

  3. Create the slope
  4. Drive stakes into the trench, using a sledgehammer, spaced four feet apart. Tie a string on the stake where the pipe will start and wrap it around the succeeding stakes, gradually lowering it one-half of an inch for each stake. This will serve as a guide for the grade of the slope.

  5. Pack the soil
  6. With the slope grade determined, pack the soil firmly to make a solid base. Use a tamper to pack the soil properly following the slope.

  7. Use a landscape fabric and lay down the gravel
  8. Lay down landscaping fabric on the dirt to prevent dirt from entering and clogging the pipes. Add about two inches of gravel and level it according to the slope.

  9. Lay down the pipe and finish up
  10. Lay down the pipe on the gravel and fill over and around it with four to six inches of gravel. Wrap the fabric around the gravel and top it with soil and sod.

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