b'Association of Hydraulic Services Consultants AustraliaResearch Foundation 40Pitch1535Pitch 10Maximum Roof Length (m)3025 Pitch7.520 Pitch5151050100 150 200 250 300 350 400 450 500100 year Rainfall Intensity (mm/h) Figure 2 - DeltaOrb DPP1110 Maximum Roof Lengths for Rainfall Intensities Page 5 of 10'