1#重庆人 . W( {, V: }. F( Y( z. z7 X& k( Q- T: X5 c) i
' J1 i3 c$ @9 r# g5 NIf the builder is responsible for rough grading and the certificate as per your contract signed, then for sure, your builder has to do whatever needed to get a pass, whether it is a retaining wall or anything else. Talk to your lawyer to find out.