This project is for the construction / addition of a 250s.f. fully engineered sunroom with separate environment from the dwelling to meet IECC Requirements. This project will keep the excavated materials on site for landscaping and the engineered foundation is a slab on grade, An ESC plan is not required. As this is exterior to the dwelling R314 & R315 are not required. R-1C ok per Colleen Carroll. All per the approved plans as marked, engineered details and calculations. pep