Cloudburst Management Plan - Climate Change Adaptation

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The Next Phase
The work involved in the next phase of the Cloudburst Management Plan
gives rise to a number of new issues and projects which are essential
with regard to implementing the Plan.
First and foremost, there is a need for clarification of the legal framework
for climate adaptation such as the proposals for amendments
described earlier. These issues must be clarified before the projects can
be realised:
• A detailed project must be worked out for each of the water catchment
areas in the Cloudburst Management Plan in order of priority.
• Any effects on the environment as a consequence of draining pluvialflood
water to the harbour and, in particular, to freshwater basins,
must be clarified prior to giving drainage permission. It is important
that this project is initiated quickly as the detailed project work
regarding the water catchment areas is dependent on the result.
• There is a need for future-proofing the hydraulic impact and capacity
of the water courses*.
• Two intermunicipal projects must be studied closely: one for Harrestrup
Å’s water catchment area including Herlev, Ballerup, Frederiksberg,
Gladsaxe, Rødovre, and Hvidovre local authorities and one for
Søborghus Rende-systemet (drainage ditch-system) with Gentofte
and Gladsaxe local authorities. The objective of these projects is to
climate-adapt the impact on and possibly also the capacity of these
water courses so that they can form part of the general flood-proofing
measures of the city.
• Detailed planning of flood ways must be coordinated with the
neighbouring local authorities including, in particular, the City of
Frederiksberg.
Hydraulic capacity expresses the quantity of water a
given watercourse can handle measured in litre per
* second.