Channel Drain Solution for Standing Water and Flooding
Severe areas of standing water or flooding can block your driveway or sidewalks, destroy your garden or landscaping, or even render part or all of your property unusable. Why? A lack of adequate drainage, improper grading, or failed drainage systems might cause standing water or flooding around your property. Our Solution? First examine the problem areas and the surrounding environment to determine the exact cause of your standing water problem. Then you'll want to design and install a custom exterior drainage solution. (If you're not a DIY'er, you can hire a professional, like us.) The goal? To move water away from your property and yard, eliminating your flooding conditions for good.
Pour water onto the sidewalk and note where water puddles. Once the surface is dry, draw a chalk circle around the low-lying areas.
Mark the appropriate place for excess water to run off. If the sidewalk is near the curb, have the drainage system empty onto the curb. Include the distance from the sidewalk to the drainage outlet in your measurement.
Use chalk on the sidewalk and wooden stakes and string on the ground to mark out the path of a drainage trench. The trench will run from the spot where water gathers on the sidewalk to a trench that will run parallel to the sidewalk and empty at the curb. The trench will need to be at least 1 1/2 feet wide so the walls of the trench have an adequate slope.
Cut through the trouble area on the sidewalk with a concrete saw. Use the chalk outline as your guide. The trench should be three times as deep as the diameter of the drain pipe. Remove concrete and other debris from the opening.
Dig out a drainage trench along the side of the sidewalk, 6 inches away from the sidewalk. The trench will need to have a slope, of 1 percent, or 1 foot for every hundred feet.
Pour 2 inches of gravel over the surface of the trench.
Place a perforated drainage pipe from the concrete opening to the trench along the sidewalk. Over the sidewalk section, set rectangular grid drains over the opening. They should sit 1 inch below the surface of the sidewalk.
Connect the lengths of pipe with connectors. Along the sidewalk trench, use a T connector every 10 feet so excess water can enter the drainage system. The T connectors go upside down so the stem is pointing up to receive water. Place a grid drain over the T connectors.
Cover the drain pipes with landscape fabric and course gravel. Add a 2-inch layer of sand over the gravel to improve drainage
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