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An innovative flooring implanted in 24,000 m2 of Murcia will reduce the ambient temperature by 1.5 ° C (07/02/2020)

Next Monday, the works of the European project 'Life Heatland' in six streets of the city, with which the conventional asphalt with new pavement of high reflectance - cold asphalt - has been renewed.

José Ballesta: "This initiative allows both the reduction of the surface temperature and the environmental surface, improving the quality of life and well-being of Murcia, as well as mitigating the effects of climate change."

In addition to this action on the asphalt, the City Council has installed in the garden of Santa Isabel an innovative pavement impregnated in a photocatalytic agent, which reduces pollution of pollutant gases from cars and improves ca

The mayor of Murcia, José Ballesta, together with the Councilor for Urban Agenda and Open Government, Mercedes Bernabé, visited this morning the works that are being carried out on Pío Baroja Street, framed within the European project 'Life Heatland', which represent the Conventional asphalt replacement with a new high reflectance flooring - cold asphalt, 'cool pavement' - which will reduce the ambient and soil surface temperature.

“This new cold asphalt pavement has been implanted in an area of ​​24,000 square meters and will reduce both the air temperature and the surface of the soil, improving the quality of life and well-being of Murcia, as well as mitigating the effects of climate change, â€said José Ballesta.

The pavement of 'Life Heatland' has a lower capacity for storing solar energy than conventional ones, so they absorb heat from the sun to a lesser extent.

Specifically, a decrease in the air temperature of 1.5ºC and the surface pavement of 10ºC will be achieved, in addition to an energy saving of 7% for cooling devices and 5% for public lighting.

“We put innovation and 'smart' solutions at the service of improving urban environments, to create a healthier city, with lower energy consumption and CO2 emissions, and a better quality of life for neighbors, serving the environment Environment and Sustainable Mobility as one of the development vectors endorsed by the Social Council, â€said José Ballesta.

In addition to this action on the asphalt, the City Council is carrying out works in the Garden of Santa Isabel, where a surface composed of an innovative pavement impregnated in a photocatalytic agent has been installed, which allows reducing pollution from gases from the combustion of motor vehicles and improves air quality.

The streets that already have 'cold asphalt'

This week the works of this project have started, 'Life Heatland', which includes seven streets, of which six have been paved with cold asphalt (Monte Carmelo street, Sauce street, Carmen Conde street, Valle Inclán street, Pío Baroja Avenue , where this morning an information point on 'Life Heatland', and on Pintor Almela Costa street) and one with traditional asphalt, Lope de Rueda street, have been enabled, with the aim of comparing the data obtained through this initiative.

The works are expected to conclude on Monday.

This pavement, on the one hand, will improve the coefficient of performance of air conditioning and cooling devices, reducing their energy consumption and, on the other hand, will have a greater reflectance compared to conventional pavements, also producing an improvement in visibility nocturnal, potentially reducing lighting and thereby producing energy savings.

Measurement of air temperature, humidity, wind speed and noise

The European project 'Life Heatland' has involved the installation of four measuring devices, which will allow 1.5 million data to be obtained, since they will record, every 30 minutes and 24 hours / day, the following parameters: pavement surface temperature , air temperature, humidity, wind speed, solar irradiation, ozone air, lighting level and noise.

The estimated duration of this project is 3 years - specifically, the measuring towers were installed in 2018, at which time they started working to know the current situation.

The data obtained is sent through 3G to a server for consultation.

With the data taken to date of the conventional asphalt and with those that will be taken during the next months of the new asphalt, it is planned to develop a mathematical model to predict the effect of pavement implantation in other urban areas, which will allow to know its behavior in case it is installed in other cities.

Life + program

Life Heatland is a project co-financed by the European Union (LIFE16 CCA / ES / 000077), framed within the Life + program, which has a global budget of 1,359,221 euros.

The City of Murcia is developing this initiative in collaboration with the Business Association of Research Technology Center of the Construction of the Region of Murcia (CTCON), the construction company CHM Works and Infrastructures, the Regional Federation of Construction Entrepreneurs of Murcia (FRECOM ) and Cluster of the Construction sector of Slovenia.

Within the Urban DNA initiative, the City Council conducted asphalt tests with this type of pavement in the La Paz neighborhood in December, with the aim of verifying the suitability of the asphalt.

Source: Ayuntamiento de Murcia

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