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.
leach fields in most cases have an important rule of thumb: IF A leach field WORKED BEFORE IT CAN WORK AGAIN! To begin with this is how the septic system and leach field is supposed to work. 1  You flush the toilet. 2  The waste travels down the drain pipes in your home until they all come together into one large sewer pipe.3  This pipe goes through or under the foundation in your home.ee an animation of the septic tank leach field process here. When a septic tank backs up into your house, damage to the leach field is already done. 1  The sludge layer has overflowed the baffle in the tank. 2  That sludge has run into the leach field.