A. All foundations, except otherwise provided in this chapter, shall be continuous foundations.
B. Buildings erected without a continuous foundation and upon a slab of cement or asphaltic concrete not less than three inches in thickness need not be ratproofed as required, if a concrete curb not less than one foot in depth below finished grade is run continuously around and under the outside edges of such slab.
C. Buildings under four hundred square feet in area having an eighteen-inch clearance under the floor joists and supported on piers need not have the required continuous foundation.
(Prior code § 6.16.090 (Ord. 270 § 7 (part), 1945))