Résumé of issue
Snow loading (ASCE7)
There is a potentially un-conservative error affecting the calculation of drift width where drift height exceeds height of obstruction.
Occurrence
This issue relates to Tedds 2018 from March 2018, Tedds 2017 from March 2017,Tedds 2016 from March 2016, Tedds 2015 from June 2015, Tedds…