The Land Drainage Recovery Programme (LDRP)
Christchurch's land drainage issues post-earthquakes are hugely challenging - so much has changed with land subsidence and damage to waterways, land and land drainage infrastructure. Understanding the city's flood risk is complex, with multifaceted solutions needed to restore risk to pre-earthquake conditions. We need to do thorough investigations to understand the risk, prioritise those most at risk, and develop sensible area-wide solutions that offer the most benefit, to the most people.
We are fast tracking flood risk investigations and mitigation works, with a big commitment of funding and resource, but it will take many years to implement the flood mitigation works.
When considering a project, the LDRP Team uses guiding principles to establish if a response is appropriate or needed. These principles focus on each proposed project:
|Ecology||The self-sustaining processes and inter-relationships among plant, animal and insects|
|Landscape||Includes the special character of sites and places, their aesthetic qualities, and thier meaning to the community|
|Recreation||Includes active and passive recreation, play, and the structures that support these activities|
|Heritage||Includes sites and activities of historic significance (structures, remains, etc) and natural significance (remnants. landforms, etc)|
|Culture||The community's perception of a resource and its value, indicated by community involvement in management, celebration of past events, and planning for the future|
|Drainage||Includes inter-relationships between groundwater and surface water, natural flow regimes, and management of storm events|
Once a project is included in the LDRP it follows a process which takes it from early investigations through to options design (this is where we take a close look at possible options and do some preliminary designs), public consultation and, if approved, detailed designs and construction.
Not every project that is considered moves from early investigation through to options design. For some projects, investigations may reveal repair or remediation is needed, but equally adaptation and careful management may be a better option.
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