Lyon Part-Dieu

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Digital technology & sustainable innovation

La Part-Dieu was thought of initially as a business district. However, today, it is being reinvented on an urban level, but also economically. With the accelerated development of urban engineering, it has become a testing ground for the creation of the city and the urban services of the future, with the firm intention of optimising resources.

Commitment to sustainable innovation

With the European Transform programme, various energy scenarios have been modelled for the district, for in 5, 10 and 30 years’ time, to minimise the impact of the district development on energy use, production and networks linked to energy resources. The challenge is to double the building area while maintaining the same level of energy use.

The following areas have been identified:

  • Building energy performance
  • Development of a connection to the urban heating
  • Diversification of energy mix*on the scale of the district

Innovative solutions have already been developed to better control energy requirements, thanks to experimental projects seen as benchmarks in France. One such example is Smart Electric Lyon: interactive services and equipment designed to optimise comfort and manage electricity costs, by carrying out real-life tests for 25,000 private and company users, as well as for large public facilities.

A key aspect of the development project, sustainable mobility solutions also address some of the project’s environmental concerns.

Tuba, Lyon Part-Dieu. © Credit Mathias Ridde.

Ecocité certification: two innovations backed

Reduction of heat islands

The Lyon Part-Dieu project has an impact on correcting urban heat island phenomena. La Part-Dieu is a mineral district, experiencing high temperatures in the summer and cold temperatures in winter. New materials with varying albedo (reflective property) and rainwater infiltration techniques are going to be tested in 2017 with a view to integration in the public space projects.

Central control station

To minimise noise levels connected with construction works and so as not to disturb the day-to-day running of the district during the construction phase, SPL Lyon Part-Dieu and its professional partners have initiated an unusual approach to construction site organisation: transport of materials, sharing of construction site land takes, etc. The creation of a central control station will mean having single management of construction site flow within the boundary of the urban project.

Digital technology: public space for the conception of coproduced services

The Lyon Part-Dieu project plans to simplify the city through digital services integrated in the new developments and in connection with the introduction of a seamless flow: public Wi-Fi, smart urban furniture, etc. The district will also offer companies the opportunity to co-produce new digital services with users, in the TUBA living lab. Supported by the Club des Entreprises and incubated in the Part-Dieu Project, between 2012 and 2014, located on Place Béraudier for two years, this urban collaborative laboratory brings together 20 companies and public stakeholders. The goal: to enable any project initiator to develop new urban products or services with the district’s users, on the basis of public and private data made available to them.

Glossary of terms

Urban heat islands
The term ‘urban heat islands’ (UHI) refers to an urban area in which the air and surface temperatures are higher than those of the rural surroundings. To alleviate this, public spaces are handled in a way that integrates the choice of materials, more greenery and an increase in the share of permeable surfaces.

Energy mix
This defines the distribution of various primary energy sources used to produce energy defined on different scales, such as that of the district.

The EcoCité challenge is to support cities’ growth and attractiveness, to make them more respectful of their environment, consuming less energy and peri-urban areas, while satisfying the expectations of their current and future inhabitants. Overall, the approach is consistent with the fight against soil hardening, air pollution and global warming. The Greater Lyon Metropolis has signed up to the ÉcoCité approach through the Lyon Part-Dieu and Lyon Confluence projects, as well as research laboratories (LICIT , IFSTTAR, etc.)

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