b'Delta MW and EPS-FR Panel Awning and Patio Roof System ym a Boundary Class 10abn A m 2Class 1 900 DTS BASE CASE PLAN VIEW Class 1 Class 10a A m 2l y 900 DTS BASE CASE AXONOMETRIC VIEW Combustible roofNon-combustible WallFigure 4-9. DtS base case: Class 10a structure with combustible roof enclosed along three sides located within 900 mm of the site boundary.Figure 4-10 illustrates the dominant mechanisms for heat transfer to the site boundary from a fire below the Class 10a structure for the DtS base case.Revision 1-428'