Hillside Drainage Trench Gutters

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.

Hillside drainage trench gutters.

We ll make sure the slope is correct by using a 4 foot 1 2 m level. This means that the drain should slope down a total of at least 1 inch for every 10 feet of pipe. If you had a discharge outlet 100 ft. 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.

We researched how long and deep the trench should be. To prevent erosion make a rock bed around the end of the tube. First thing first dig a trench. To create the drain you ll have to dig a gradually sloping trench from the source to the outlet.

From the inlet it would have to be about 1 ft. 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. The amount of collected water increases until it spills over the sides of the gutter. 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.

If gutters don t slope water gathers in them. 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. Continue until you have completed the trench. Make sure your downspout extension and connector fit together and on your gutter.

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 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. Screw a drain cover over the end of the tubing as it approaches daylight to keep critters out.

Depending on the size of your trench either dig the trench with shovels or rent a. The gutter slope also called the pitch is the amount the gutter tilts down to let rainwater flow out of it. 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.

The underground drainage pipe should slope downhill at least 1 8 in. We found that the trench needs to be 10 12 inches deep with about a 2 inch slope. We want our drain pipe to have a 1 slope so water will always drain properly. 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.

Home drainage systems.