Case Studies

Collège Paul Eluard

Bonneuil sur Marne, France

Code: CS29

Building before renovation
© PROPASSIF
Construction process
© PROPASSIF
Construction process
© PROPASSIF
Construction process
© PROPASSIF
Construction process
© PROPASSIF

Original situation

1970-built nonresidential building (secondary school) in the dense city centre of Bonneuil sur Marne (East of Paris).

Renovation approach

Insulation added either as ETICS or as prefabricated filled panels. The construction process is about to start in March.

Renovation approach document

Modernisation proposal

Semi prefabricated global retrofit.

Efficiency improvement

Insulation, windows change to triple glazing, air tightness, thermal bridge reduction, installation of comfort ventilation with high performance heat recovery.

PHPP verification sheet after retrofit

TFA existing treated floor area (usable floor space)

8000.0 m2

Space heating Heating demand

14.0 kWh/(m2a)

Heating load

12.0  W/m2

Space cooling Cooling & dehum. demand

– kWh/(m2a)

Cooling load

– W/m2

Frequency of overheating (> 25 °C)

6.0 %

Frequency of excessively high humidity (> 12 g/kg)

0.0 %

Airtightness Pressurization test result n50

1.0 /h

Non-renewable Primary Energy (PE) PE demand

68.0 kWh/(m2a)

Primary Energy Renewable (PER) PER demand

48.0 kWh/(m2a)

Generation of renewable energy (in relation to projected building footprint area)

– kWh/(m2a)

EnerPHit classic

no

Key facts

Building typology

School | campus | university

Existing treated floor area (usable floor space)

8000 m2

Building owner

Département du Val de Marne

Consulting outphit partner

PROPASSIF

Project status

Construction phase

Overall budget

15500000 €

Contact

Etienne Vekemans
CEO
PROPASSIF
Phone: 0145081335
E-Mail: e.vekemans@propassif.fr