Sustainability in the Safety Measures of the Historical-Cultural Heritage against Hydraulic Risks

Sustainability in the Safety Measures of the Historical-Cultural Heritage against Hydraulic Risks

Francesca Pirlone (University of Genoa, Italy), Zaira Sotgia (University of Genoa, Italy) and Ilenia Spadaro (University of Genoa, Italy)
DOI: 10.4018/978-1-4666-1924-1.ch015
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Abstract

This chapter describes a methodological approach based on different research experiences developed in EU contest: CHEF, aimed to prevent damages caused by hydraulic risks to historical and cultural heritage; and RIVES, aimed to safeguard territory by avoid damages. Based on these experiences, paying attention especially to urban fabric and historical contest, it has been created a reconnaissance and evaluative chart. It is necessary to find out and quantify all the specific indicators useful to make a clear and deep knowledge about the territory involved to simplify a security project to avoid damages caused by hydraulic risks. The CBA Method, used to find sustainable actions, aimed to make a safety plan, permits to identify actions to preserve the territory, as limited and erodible resource. With the Geographic Information System, it is possible have a graphical representation about the results. The test area is the historic centre of Genoa.
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Preservation And Sustainability Policies For The Historic Centres: Methodological Approach

An analysis of the scientific literature and methods in the determination of hydraulic risk (a function of hazard, vulnerability and exposure) has been identified in the methodological approach described below.

This approach considers as basic premise the concept of sustainability (Figure 1) which, if accompanied by processes of cognitive-participatory and, by appropriate information technology, will serve as a DSS (Decision Support System) used by government and the Facilities Civil Protection for the identification of sustainable interventions to be deployed in historic centres (the preventive planning and emergency management phase).

Figure 1.

Scheme setting methodology5

The approach presented in this text draws on different research experiences (see Introduction) which considered the safety of the historical and cultural heritage from natural disasters and sustainability concerns. For the latter, within academic contexts6, has been called the “CBA or the three variants” method that, through the use and qualification and quantification of indicators, makes it possible to identify specific actions and/or interventions, sustainable, which are required to implement.

The “CBA” (Figure 2) comes from the experience of the Dutch method DCBA or four variants7 integrating it with the intuitive techniques (in particular, has been used and, appropriately revised, the method Delphy). The DCBA method was established for the design and construction of new sustainable neighbourhoods and, therefore included in a urban scale, while the way the CBA has provided for its use in the existing consolidated tissue (such as the Italian territory) and its applicability to systems for large areas.

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