Attachment 5A - Noosa Landfill RRA Flood Assessment

Noosa Landfill RRA Flood Assessment




Image 3-2 Hydraulic Structure Locations


3.4     Hydraulic Roughness
Manning’s ‘n’ hydraulic roughness values applied to the TUFLOW modelling are shown on Table
3-1.

Table 3-1        Manning’s ‘n’ Values

      Landuse / Surface Type                                    Manning’s ‘n’

      Cleared Open Space / Site                                     0.04

      Light Vegetation / Rural Residential                          0.06

      Roads                                                         0.02

      Bushland                                                      0.10

      Waterbodies                                                   0.03

      Culverts                                                      0.013




J00352R1V2                                                                              5