New Nîmes University Hospital building constructed with 98% Exegy® low-carbon and very‑low-carbon concrete

With a lack of space and departments scattered across several sites, the Carémeau University Hospital in Nîmes invested €38 million in a unique building complex bringing together a geriatric unit, a general follow-up and rehabilitation care ward, an infectious and tropical diseases ward and a paediatric day ward.

The complex has a total floor area of 32,200 m2, a capacity of 150 beds (with an additional 100 beds for day cases) and a multi-storey car park with 250 spaces.

Project

Construction of a new building as part of efforts to restructure Nîmes University Hospital

Project owner

Nîmes University Hospital

Builder

Sogea Sud Bâtiment

Formulation development

VINCI Construction’s concrete laboratory and Béton du Gard

Time frame

September 2020–December 2022

98% Exegy® low-carbon and very-low-carbon concrete

The construction work was carried out by VINCI Construction subsidiary Sogea Sud Bâtiment, which used a total of 12,257 m3 of concrete, 11,950 m3 or 98% of which was EXEGY® low-carbon and very-low-carbon concrete, within the scope of the performance-based approach enabled by the new concrete standard.

2%

classic

98%

low carbon

0%

very low carbon

0%

ultra low carbon

11,950

m3 of EXEGY® concrete in total

28%

reduction in CO2*

851

tonnes of CO2eq avoided

*compared to an equivalent traditional concrete solution

A new Exegy® partner for the Occitanie region

For concrete production purposes, Sogea Sud Bâtiment undertook to launch an assessment process focused on local concrete specialists. This protocol, in place since 2020, enables local manufacturers to draw on the expertise of VINCI Construction’s concrete laboratory – in terms of formulation as well as studies and tests – to develop new concrete solutions that meet the specific needs of a worksite. The resulting concrete solutions are reserved exclusively for VINCI Construction for a given period of time, at a competitive price. In return, partner manufacturers can supply concrete to Group worksites in its trading area.

That is how Béton du Gard became the first partner to act as a guarantor of EXEGY® formulations in the Occitanie region, and the concrete solutions used on the Nîmes University Hospital worksite were co-developed and tested by VINCI Construction’s concrete laboratory and Béton du Gard.

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