transitive. 1  To reverse the winding or twisting of: unwind a ball of yarn. 2  To separate the tangled parts of; disentangle. 3  To free (someone) of nervous tension or pent-up energy.
A leach field is an important part of a septic system. It disperses fluid from the septic system over a large area of soil adjacent to the building it services.he distribution box has another pipe that leads to the leach field. From this pipe, you will dig the trenches. Decide where to dig your trenches. You will need to dig three trenches, each about 12 inches wide and 20 feet long.
Undo. mightyanvil. In the towns where I have designed a house with a septic system, the tank had to be either 10 or 15 ft from the structure (including any overhangs) and the leaching field had to be 15 ft away from the foundation.There should be nothing above ground and you can walk over it.ndo. mightyanvil. In the towns where I have designed a house with a septic system, the tank had to be either 10 or 15 ft from the structure (including any overhangs) and the leaching field had to be 15 ft away from the foundation.