Olbia, the new Hydrogeological Planning Plan is underway: «Safer and more aware urban development»
Most of the restrictions that had hindered building in the city after Cyclone Cleopatra have been removed
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The Olbia Hydrogeological Planning Scheme is now executive : with the publication, this morning, of the decree signed by the President of the Region, Alessandra Todde, the new PAI gives the green light to a safer and more aware urban development .
Compared to the one drawn up in 2015, after the passage of cyclone Cleopatra, the new plan approved by the regional council frees three quarters of the city from the restrictions that had hindered the building of seven hectares of the territory , now reduced to about two. With the variation introduced by the study carried out by Technital spa, the Hydrogeological Planning Plan draws a new map of the hydrogeological risk that the 37 thousand square kilometers of the territory run, in the event of flooding, downgrading the danger of entire areas that from Hi4, with a high risk and where any type of building work was banned, become Hi*, critical but only under special surveillance where the construction of above-ground works is permitted as long as the walking surface is higher than the maximum flood level (in the order of a few centimeters).
" The impact on the city and its development is significant because three quarters of Olbia are freed up and citizens will be able to consciously carry out interventions , excluding underground structures", said the technical director of the company that drew up the study, Simone Venturini, specifying that the perimeter of the danger areas was assessed by applying the most recent and restrictive regulations, taking into account the value of people's vulnerability determined through mathematical models and considering both the levels of flooding and the speed of the water moving on the ground. "Until a few days ago - added Venturini - with the version of the PAI dating back to 2015, all the areas in which flooding could be expected, even just a few centimetres and with a frequency of fifty years, had to be classified as areas with high hydraulic danger while with this substantial modification even those areas will be able to be enhanced from a building point of view".
