Northern Beaches Council

Cardno was commissioned by Northern Beaches Council to undertake the Manly to Seaforth Flood Study for urban catchments, which comprises the suburbs of Clontarf and Balgowlah...

GIS data utilised aerial photos, building outlines, cadastre, GIS layers, study area, rainfall gauges, RTA Classified Roads, site inspection and the study area.

A range of design event durations were simulated to determine the critical duration for flooding throughout the study area. Generally, shorter duration events are critical in...

A number of GIS layers were provided by Council to assist with the study. This included: • Aerial Photography – provides 2014 ortho-rectified aerial imagery at a 0.5 metre pixel...

This report forms the Flood Study for Newport. It documents flood behaviour across the catchment for a range of historic and design floods. This includes information on flood...

Post-processed layers for Depth, Height, Velocity, Hydraulic Categories, Z0, Z1, ZAEM1. Flood events: 0.5%, 0.2%, 1%, 2%, 5%, 10%, 20%, 50%, PMF, 1% with 0.4m SLR and 10%...

Handover list of electronic data, consisting of the hydraulic, hydrologic, and GIS data used in the preparation of the Greendale Creek Flood Study.

Extents for 50%, 20%, 10%, 5%, 2%, 1%, 0.5%, 0.2% AEP, PMF and FPA.

Complete report

Report and Figures