b"Association of Hydraulic Services Consultants AustraliaResearch Foundation 3.Results3.1DeltaOrb DPP1110 - 17.5 mm Ribs 1000mm Cover DeltaOrb roof sheeting (Figure 1) is classified as closely spaced sheeting ribs with depths less than 20mm in Table 3.1 (AS1562.1). Therefore, the minimum allowable pitch for this roof profile is 5.0. Maximum roof lengths are shown in Table 2 and Figure 2. m =76.9w = w' =33.8 38.3D =17.5h ol= 9.7 m 7.3 Area = 157mm 2 D/2 =8.8d= Figure 1DeltaOrb DPP1110 Roof SheetingTable 1 - DeltaOrb DPP1110 roofing profile variables used for calculations mDh ol w'w'/D > 2.5?Use Eqn.d mwa' D1 or D2?(0.75*h ol ) 76.9mm17.5mm9.7mm38.3mm2.19D17.3mm33.8mm157mm 2 Table 2 - DeltaOrb DPP1110 Maximum Roof Lengths for Rainfall IntensitiesMaximum Roof Length (m)* 100 I 5ARIPitchPitchPitchPitch (mm/h)57.51015 10024273036 15016182024 20012141518 2509111214 300891012 35078910 4006789 4505678 5005567 *The designer and installer must provide allowances for thermal expansion according to AS1562.1:2018 and other relevant design codes.Page 4 of 10"