When the floor is sloping to this extent, greater than 5/8 inch per 4 feet, the foundation settlement due to soil compressibility is severe. Such settlement requires a Structural Engineering evaluation and inspection to determine the proper retrofit.
Jeremy Livermore, S.E., P.E.
Structural Engineer, License #: S5905
Civil Engineer, License #: C71491
OC Structure Check
1133 Camelback St.
Newport Beach, CA 92658