13-140-120 Minimum thickness.

   (a)   Exterior engineered brick or concrete masonry both load-bearing and non-load-bearing walls shall have a minimum nominal thickness of six inches.

   (b)   Interior engineered brick and concrete masonry load-bearing walls shall have a minimum nominal thickness of four inches and shall be capable of sustaining a horizontal uniform pressure of not less than five p.s.f. without exceeding the allowable tensile stresses of SCPI 1969 and NCMA 1970 respectively.

(Prior code § 71-7)