Efficiency Of Private Flood Proofing Of New
Buildings – Adapted Redevelopment Of A
Floodplain In The Netherlands
Author(s)
B. Gersonius, C. Zevenbergen, N. Puyan & M. M. M. Billah
Abstract
A number of cities in Europe’s deltaic and coastal regions, such as the London
metropolis, Hamburg and Dordrecht, share in part similar challenges such as
(re)development activities and expansions onto floodplains and they recognize
the need for new planning approaches to manage actual and future flood risks in
these areas. The tendency is now to look for new ways to distribute
responsibilities between different types of stakeholders, so as to take advantage
of different initiatives over differing spatial scales, from the catchment level
down to the individual building level. In this respect, there is a clear need to
include resilience measures taken at the lowest spatial level as part of a top-down
and bottom-up approach. This kind of measure comprises flood proofing of
buildings and associated infrastructure as well as adapting building activities to
the risk. The extent to which such measures will be provided will probably be
dictated by micro and macro economic factors. However, as of yet information
on their performance is limited, which particularly holds true for the Dutch
context. Consequently, the economic efficiency of these technologies is unclear.
In this paper a new database containing economic information involving the
costs and benefits for implementing these measures is presented. Flood damage
databases have been constructed from a synthesis of all data available from both
secondary sources, such as the ABI and FEMA database, and from the real
experience of floods. The data is built up from knowledge about the effect of
flood water on both the fabric of the building and its contents. In order to
investigate the efficiency of private flood proofing of buildings, benefit cost
analyses for different building types and elevations are conducted for a case
study in Dordrecht, the Netherlands. The benefit for each damage reduction
strategy is calculated by estimating the difference in expected annual losses
compared to the traditional way of building.
Keywords: flood proofing, economic efficiency, urban (re)development, urban
flood management, resilience.
Keywords
flood proofing, economic efficiency, urban (re)development, urban
flood management, resilience.
Related Book
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