Census information for Amherst (Buffalo County, State of Nebraska). Contains: population counts from the 2010 Census and estimated counts up to 2016, Population Rings and much more.
Please try again later. This is the end point of a 70ft french drain constructed with 6in Multi-Flow product encased in coarse sand. The water is flowing into a 4inch PVC pipe via a tee connection. There is already some flow in the 4inch PVC from the upstream downspout lines that run under the french drain line. 1  Film & Animation.
A French drain installation is a simple process that requires a whole lot of digging. Decide to learn how to install a french drain, or if itâs worth hiring a pro. A single exterior French drain trench thatâs 50 feet long means excavating about 75 cubic feet of soil. Depending on how wet your soil is (if you have a drainage problem, itâs probably pretty wet), that means 4 to 5 tons of dirt. Not only do you have to dig out the dirt, youâll have to move it somewhere.