Code confusion on utility/mechanical room

I am trying to find information in the 2015 building code that specifies the rules for utility/mechanical rooms. I am specifically looking for info on:1. Type and thickness of drywall2.… I am trying to find information in the 2015 building code that specifies the rules for utility/mechanical rooms. I am specifically looking for info on:1. Type and thickness of drywall2.…Read MoreGreenBuildingAdvisor