Sunday, September 26

Orihuela presents its master plan against floods that requires an investment of 194 million euros



The municipal concessionaire company of the integral water service, at the request of the Orihuela City Council, has identified a total of 193 basins draining ravines and surface waters in the municipal term, as explained by the deputy mayor José Aix, the Councilor for Infrastructure, Ángel Noguera Y the new director of Hidraqua in Alicante South, Sergio Sánchez. In order to develop medium and long-term projects, financing is necessary that can come from the Renhace Plan of the Generalitat and European funds.

The document includes “All the solutions that prevent floods, create new green areas for public use and high environmental value and promote the circular economy by reusing rainwater for irrigation of agricultural areas,” as explained in their appearance.

“We have talked about floods almost daily since that tragic September 2019 by DANA and it is also the time to make decisions that will respond to many of the neighborhood complaints that occur when there are episodes of heavy rains,” said Aix, who added that now to talk about infrastructures the concept of sustainability has been “naturalized”, in this case “with a view to 15 years” to develop the projects envisaged in the plan. “A roadmap on which are the medium and long-term solutions, which allows prioritizing and choosing those that are most important and which serves as a strong argument to be able to apply for grants with both the Vega Baja RenHace Plan and the European funds that need a document forceful in which it is seen with broad perspectives in which the resolution to the problems and their impact at the county level is seen “, as described by manager Sergio Sánchez.

The plan describes four large areas of action located in the urban area of ​​the city Orihuela, Polígono Industrial Puente Alto, districts and Orihuela Costa. Actions focused under the new environmental criteria to solve stormwater problems through urban systems of sustainable drainage, water reuse and configuration of new green areas.

  • In the urban helmet It was confirmed the need to design 14 main collectors with 46 kilometers of rainwater network, 7 rolling and storage areas (with 144,000 cubic meters of capacity) consisting of storm tanks, floodplains and rolling ponds, six vegetated roofs in public buildings , 18 rain gardens and 13 containment dikes. This master plan includes the installation of a 27-kilometer regenerated water network and the landscape intervention in Mount San Miguel.

  • In the Polígono Industrial Puente Alto de Orihuela, which was razed during the last DANA in September 2019, Two rain gardens have been designed with a capacity of 104,000 cubic meters and a laminating basin with another 288,000 cubic meters of capacity.

  • In the districts It is contemplated the construction of 17 main collectors (15 kilometers of rainwater network), 29 rolling and storage areas (225,000 cubic meters) made up of storm tanks, floodplains and rolling ponds, vegetated roofs in public buildings, 29 gardens of rain, floodplains and 27 containment dikes and four vegetated ditches and permeable pavements.

  • On Orihuela Costa 20 main collectors have been designed (15 kilometers of rainwater network), six rolling and storage areas (98,000 cubic meters) made up of floodplains and rolling ponds, 1 containment dam, in addition to the landscape intervention in the Nacimiento river and installation of reclaimed water network for park irrigation (32 kilometers long). In addition, all the instrumentation of the networks and alert systems has been included to contribute data to the Smart River Basin tool.

Image of the presentation of the master plan against floods in Orihuela


Noguera, for his part, has indicated that “The solution proposal has been designed on three fronts; Separative networks, Urban Sustainable Drainage Systems and ravine correction in order to sustainably manage urban drainage, promoting the reuse of rainwater and optimizing the water cycle. The plan has been designed for a return period of 15 years ”.

“Once this plan is designed, we are going to work to obtain the necessary financing for its execution. In principle, these plans will be requested through the “Next Generation” funds of the European Union and the funds earmarked for the “Vega Baja Regeneration Plan – Vega RenHace”, Noguera has stated.

Some of these action forecasts already overlap with projects that were designed without being addressed for a decade, with the Generalitat’s forecasts in the RenHace plan and in some cases, secondarily, with those foreseen by the CHS between 2022 and 2027 .

This is the case of the network of containment dykes in La Muela and the Sierra de San Miguel and that was designed by the Ministry of the Environment, and that Hidraqua has already assumed, with the bulk of the project with the study carried out by an engineering in its day and even with the environmental authorizations of 2010, and an investment of 240,000 euros to build four of the dams planned to avoid the dragging of solids. Two on ravines that flow into the San Antón neighborhood and two that fall onto the N-340.


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