...and make it ready for yourself in the field; Afterwards, then, build your house.
Lots of water comes off the upper lot and through the main retaining wall slope.
Lots of digging and laying of pipe to move that water better than last year. Had quite a bit of erosion with the new layout after grading for the pool.
Two 4" lines into a 6" line. A 3" line for the slope itself (one across the top and one at the base just about the TBD retaining wall. Throw in another line for a french drain at the base of that TBB retaining wall and a 2" line for the laundry gray water...
You're looking at over $400 just in pipe hardware to from the face of the big wall to the trench were it's stubbed out. More to go.... Unngghh.
Doing my little part to stimulate the economy. /heh