GeoPaveTraffic and BigH thanks for your help. It sounds like mason sand is the correct filter media. I think it would be hard to construct vertical sand, gravel, and sand layers over the drain pipe. I would need to build vertical dividers between the different layers, and do 3 pours of material...
I am building a french drain in a high clay soil at my house. I am planning on backfilling the trench with sand to filter the clay and using a drain sleeve filter on the perforated drainage pipe.
I am able to get a ASTM D6707 drain sleeve filter with an AOS of 0.6mm. What kind of sand should I...
I am building a subsurface drain (french drain)in a high clay soil. I am planning on backfilling the trench with sand to filter the clay and using a drain sleeve filter on the perforated drainage pipe. What sand and AOS filter should I use?
I have seen C33 sand is recommended. If I use a ASTM...
