Building A Septic Drain Field

Check the soil to determine its absorption capacity.

Building a septic drain field.

Step 1 choose your site you will want to choose a site that is away from the house but close to the tank. Placing the tanks underground 1. Use either a shovel or an excavator to make a hole in the. Make sure the drum is level when you set it down.

Dig a trench that s 4 26 3 ft 1 22 7 92 0 91 m. These trenches should be 3 to 4 feet deep and 3 feet wide. The size of the field will be based on the size of the home and the rate of percolation. How to build a septic drain field step 1.

The drain field can be made from a variety of materials. Be sure to put a test cap on the end going into the building. The weight of many large trucks driving over a drain field will crack the pipes in the drain field and compact the soils. Also there may not be enough pitch to get to the drain field depending on the depth your drain field is and how close it will be to the outlet of the tank.

Dig the drain field trenches which should be two sections of 50 feet or four sections of 25 feet. Place the drum with 1 side hole at the end of the trench. A total drain area of 100 feet is required for most septic systems. The trench should also have a very slight downward slope so that the waste can drain out of the the drain pipe.

Compacted soil in a drain field will decrease the drain field s ability to drain. Another consideration should be local zoning regulations. Soil tests can generally be done by the local department of. Traditionally it is a series of stone and pipe trenches but a number of alternatives are in use today including but not limited to concrete galleys plastic chambers perforated pipe and styrofoam peanuts and peat moss.

The biggest issue that can arise from construction near a drain field is the damage caused by heavy construction equipment. While all septic tank drain fields require regular inspection you can save a lot of money by digging one yourself. Don t run too much. A typical home with a good percolation rate may require as little as 4 500 square feet of field or as much as 9 000 square feet with a poor percolation rate.

Dig a hole 1 ft 30 cm deeper for.