Roof framing plans (truss manufacturer’s layout) shall be provided to identify the method of construction (pitched or trussed), and framing/truss members. The plan must also show roof falls (direction and slope), position of all downpipes (and overflows if internal gutters), roof bracing, point loads and penetrations.
Lintels may also be shown on a roof plan. Roof catchment and cross-sectional areas for internal gutters should be calculated.