ASCE 7-16 Kzt Calculation — with Chart Jul 2019 khoitsma ASCE, iPad_iPhone, Pythonista ASCE Kzt topographic 0 Comments ASCE 7-16 Kzt Calculation Topographic Factor ESC = 2D Escarpment R2D = 2D Ridge H3D = 3D Hill See list of all ASCE posts.