Most codes I am aware of reference the "ANSI/ASCE 7-95 Minimum Design Loads for Building and Other Structures". It has it all: dead, live, wind, snow, rain, earthquake. Chris Boyd Project Planner & Estimator Taggart Construction, Inc. BUILDING GREEN SINCE 1994 cboyd at tagcon.com 207/ 865-2281 x2 www.tagcon.com