put weed barrier over the drain tube to, again, keep the dirt out.
5. After I was sure everything was going downhill I filled the main trench with more 3/4 inch gravel . As this was behind my garage I gravelled the whole area . I think you could put more weed barrier over the gravel and lay down some
layed weed barrier down on the whole area and forced it to the bottom of the trench. This helps keep dirt from clogging the drain. A smaller trench will have to run from the drain area to the street or away from the area that floods.
3. Next I put a couple of inches of gravel in the bottom of the main trench