IRC2021Ch. 4

Foundations

Foundation design, materials, drainage, and construction requirements

Sections

R403-AR

Foundation and Seismic Requirements - Arkansas (AFPC 2021 Vol III)

New Madrid Seismic Zone influence puts Pulaski County at SDC C minimum, potentially D0/D1/D2 on soft soils. AFPC 2021 Vol III Section R403.1.6.1 governs foundation anchorage in high seismic categories.