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First off, thank you so much for the replies!!!!!
I've attached a property overview drawing. (My camera is on the fritz). The blue dotted lines on the side represent a french drain (with pvc) and the property slopes to the sidewalk where I have holes drilled for the water to drain into the street. I've done some elevation checks and as long as I install my drain properly I'll have no water flow issues. The patio will have a slight slope away from the house and away from the inner planter wall and will have drains.
1. Yes the water would seem to damn up against the outer wall. I have no other choice since it abuts the fenceline. I can't dig into the neighbors property.
2. I could pull the wall in 4 inches and put in a channel drain but that would be awkward with the space between the wall and the fence.
3. I can't build up the grade without having a wierdly sloping patio. This is one of the reasons for the planter walls in that it keeps the dirt below the normal fenceline off my patio.
Also, if anyone is in Southern California I'd be willing to pay for help on this design phase.
Thanks again!
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