Backyard Flood? We can help! French Drain installed with catch basins.
A good French drain is perforated pipe surrounded by gravel. This system is used to collect water from low spots in the yard, under the house, in the crawl space, along the exterior footer of the house, under driveways, and under basement floors.
The Gravel and Perforated pipe collect subsurface water. French Drain works best in low spots through the yard or along the footer and foundation of the house.
A good French drain will be at least 20″ inches deep. a base of gravel under the pipe and on top. The holes of the pipe point down into the base of gravel underneath. Watch a video of “How a French drain works“.
Adding catch Basins will make the system work even better. Catch basins collect immediate surface water runoff! In other words, as it rains and water begins to flood, the catch basin will collect the water straight away.
Once the French Drain is installed it will need a place to discharge. The water needs to flow downhill and away from the area, usually to the street or storm drain. A Pop Up Emitter can be used at the end of the line or a curb hole can be drilled for even better discharge.
The discharge pipe from the French drain is solid pipe. Once the water has been collected, we need to keep it and let it flow away from the wet spot.
Sometimes a Sump Pump is needed to left the water up from areas that are too low for gravity flow to the street or storm. Sump Pits and Pumps Work Great! In fact, They work even better than gravity!!
A good sump pump will lift and pump 40 to 60 gallons of water per minute! That’s 2 trash cans full of water every minute being removed when it rains. The pump needs to be at least 1/3 horsepower and sits in proper sump basin at least 24 inch deep.
The discharge pipe from the pump should be 1 1/2 inch to 2 inch PVC.
So how much does a good system cost?
You can expect to pay from 1700 to 4200 for a good system, It really depends on much pipe and gravel need to be installed.
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