mark handler
SAWHORSE
Guide to Fire Sprinkler Changes in the 2018 IFC, IBC, IRC and IEB
https://nfsa.org/wp-content/uploads/2018/03/2018-IFC-IBC-IEBC-Guide.pdf
https://nfsa.org/wp-content/uploads/2018/03/2018-IFC-IBC-IEBC-Guide.pdf