Hillside Drainage Trench Gutters

We want our drain pipe to have a 1 slope so water will always drain properly.

Hillside drainage trench gutters.

First thing first dig a trench. From the inlet it would have to be about 1 ft. You want a gentle slope from the edges of the trench to the center. So it is not critical that the french drain trench bottom be perfectly sloped it is great if you can manage it but don t get too frustrated over it.

The drainage pipe or drain tile as some call it will lay on a bed of gravel in the bottom of the trench and it is very easy to move this gravel around to properly slope the drain pipe. Depending on the trench length and more important the type of soil digging the trench with a shovel can range from relatively easy to downright impossible. To create the drain you ll have to dig a gradually sloping trench from the source to the outlet. Make sure your downspout extension and connector fit together and on your gutter.

If gutters slope too severely they don t hold water and water could splash over the sides in heavy rain. The trench should be at least 6 inches wide and slope down slightly 1 to 2 inches per length of pipe so water drains away from the downspouts. To prevent erosion make a rock bed around the end of the tube. If gutters don t slope water gathers in them.

We researched how long and deep the trench should be. The trench should be about 18 inches deep and 9 to 12 inches wide. Fill the bottom of the trench with large crushed rock setting field stones or larger flat stones into the sides to help shape and support it. That means the trench and drainpipe must slope away from the house with at least 1 inch 2 5 cm of fall for every 8 feet 2 4 m of run.

Continue until you have completed the trench. Depending on the size of your trench either dig the trench with shovels or rent a. We ll make sure the slope is correct by using a 4 foot 1 2 m level. The underground drainage pipe should slope downhill at least 1 8 in.

If you had a discharge outlet 100 ft. French drains need to have a slope of at least 1 so the force of gravity will work for you. This means that the drain should slope down a total of at least 1 inch for every 10 feet of pipe. Screw a drain cover over the end of the tubing as it approaches daylight to keep critters out.

I laid the 2x4 flat on the bottom of the trench placed the level on the 2x4 and every 5 10 feet worked my way from the alley to the house checking the level as i went. Home drainage systems. When i thought i was done digging the trench i used an 8 foot long 2x4 and a level to make sure there was some slope to the bottom of my trench. Where the tube passes by the downspout from the gutter we installed a y fitting and drained the roof water from the gutter system directly into the main drainage line.

You don t want a deep steep ditch but a shallow sloping one instead.