Proper drainage around the structure and inside the landscape is the key to preventing ugly wet spots in the yard and the possibility of crawling space or basement damaging water or humidity.Wet basement can lead to the development of molds, structural damage and other serious problems that affect the value and attractiveness of the house.In the landscape, perforated drainage tiles installed correctly next to the base and other problem areas effectively drain water directly from the structure.Dig one or a series of connected ditches to accommodate perforated drains.Use a shovel to cut the turf sections and place them on a waterproof cloth as completely as possible so that they can be re-placed latervegetation.Depending on the extent of the drainage problem, create a trench between about 1 and 2 feet wide.The necessary trench depth is also different.If the drainage tile is mainly used to protect the foundation from groundwater, then dig ditches up to 6 feet deep.If the main consideration is surface water, then it is enough to have a trench of only 2 feet deep.Make sure the trench extends to the appropriate outlet such as trench, drain field or dry well.Tilt the bottom of the trench to facilitate the flow of water out of the structure.To force the flow of water, create a slope between about 1/2 and 2%, which means that the bottom of the trench will be at 1-Half foot and 2 feet height per 100 cross foot.Slope is established using a laser level or a wooden pile, chord level.If the soil is particularly muddy and is concerned that it can easily clog the drain, arrange the formed ditches with a filter cloth or landscape cloth.It may not be necessary in sandy or other wells.drained sites.Place the perforated drain tile in the center of the ditch.If more than one trench is dug, use the fittings of the same material and the adhesive suitable for use with the specific drain material to connect the part of the perforated drain tile.Position the tile with horizontal perforation.Check to ensure that the slope established at the bottom of the trench passes through the drain.Move around the underground earth as needed to make any adjustments.Cover perforated drain tiles with at least 12 inch of clean coarse gravel.Spread filter cloth or beautify cloth on coarse gravel.The filter fabric allows water to enter the system, but it blocks the passage of silt and debris, which may block the perforated drain pipe and significantly shorten its effective life.Later fill the remaining part of the ditch with the soil removed earlier, leaving only enough space at the top to accommodate the removed turf part.Replace the removed turf part.Depending on the weather, gently water the lawn every few days until it is re-built.
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