I think I understand now what you mean about an unwrapped trench causing settlement. Keeping fines out is not only to protect the F.D. from plugging, it's also to protect the integrity of the surrounding soil structure by keeping them in their place. Thanks for pointing that out, it's something...
Thanks for your responses. I've decided not to slope the pipe significantly. But I will make sure it does not slope away from the pump any.http://tinyurl.com/yg72tkc
Thanks for your response. You raise some good questions. I'm not sure what you mean by "poorly protected". Can you elaborate? Protected from what?
If it's sediment you're concerned about: Placed within the foundation it is protected more from sediment than outside the perimeter of the...
As a follow up question, I'd like your opinions on my idea to deal with the points where the F.D. interferes with sewer lines. I will not know exactly the position of the sewers until I do some digging.
Have a look at the diagram at http://tinyurl.com/yg72tkc
If I discover that the sewer &...
Thank you for the responses. The layout is "fancy" because it's a finished basement & I want to minimize the number of walls I cross under. Lines run to the furnace because that is a local low spot in the floor. I understand the desire to pick a central position for the sump but I also need to...
I'm designing a French drain for underneath my basement floor and I have some questions about the elevations and sloping of the pipe.
Have a look at the diagram at http://tinyurl.com/yg72tkc ( opens to...