Stakeholders

Function : Contractor

Compagnie Plastic Omnium

 http://www.plasticomnium.com/fr/

Function : Assistance to the Contracting Authority

CBRE Project

 http://www.cbre.fr/fr_fr

Function : Designer

ROBELIN Architecte

Function : Thermal consultancy agency

SQUARE

 http://www.square-ing.fr/

Function : Other consultancy agency

WATT&KA

In charge of environmental certification of the building

Function : Company

PITANCE - LAMY

Contracting method

General Contractor

Type of market

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Energy consumption

• Primary energy need : 52,00 kWhep/m².an
• Primary energy need for standard building : 110,00 kWhep/m².an

Calculation method : RT 2012

Breakdown for energy consumption : Heating: 9.41% Cooling: ECS 4.57%: 4.28% Auxiliary: 11.12% Internal lighting: 13.86% Outdoor lighting: 0.40% car lighting: 4% Office: Air conditioning 22.24% LT Transform: 17.68% Elevator: 12.44%

Real final energy consumption

Final Energy : 49,00 kWhef/m².an

Envelope performance

• Envelope U-Value : 0,72 W.m^-2.K^-1
More information :

The features that helped limit energy consumption and ensure good thermal comfort to the occupants:

- Argon-filled double glazing (performance aluminum joinery: 1.4 W: m².K)
- Careful Airtightness to obtain the following results:

Bldg A: 1 (m3 / h) / m² to 4Pa
Bldg B: 0.39 (m3 / h) / m² to 4Pa
Bldg C: 0.62 (m3 / h) / m² to 4 Pa
Bldg D: 0.87 (m3 / h) / m² to 4 Pa

- The sun breakers on exposed facades manage based solar gain complemented by caps in lighters.
- A large area of glass walls allows enjoying of natural light and free solar gain in winter. In this way, significant savings on lighting and heating are carried out. To make this architectural choice profitable, double glazing performances are different depending on buildings directions.
- High level of insulation (between 12 and 16cm insulating in walls, the roof 16 and floor 16).
- The plan trees on the south create a plant screen in summer and take advantage of solar gain in winter
- Very compact buildings limiting walls with heat losses.

• Building Compactness Coefficient : 0,26

Indicator : I4

• Air Tightness Value : 0,79

Systems

Heating system :
• Geothermal heat pump
Hot water system :
• Individual electric boiler
Cooling system :
• Geothermal heat pump
• Chilled Beam
Ventilation system :
• Nocturnal Over ventilation
• Double flow heat exchanger
Renewable systems :
• Solar photovoltaic
• Heat pump (geothermal)
• Renewable energy production : 22,00 %
Other information on HVAC :

The thermofrigopompes (TFP) water type / underground water simultaneously feed on heating and cooling buildings.

The photovoltaic panels production is used directly in the building. Therefore, is no electricity resale. They are installed on roof railings and facing south. 240 m² of panels are installed, 150 high-performance modules (333 W / m²).

Smart Building

BMS :

The power meters are certified MID (Measuring Instruments Directive) and energy consumption data is stored and analyzed. Sub-counts provide access to consumption separately the following equipment:

Urban environment

• Land plot area : 17 238,00 m²
• Built-up area : 40,50 %
• Green space : 5 412,00

The creation of Jules Carteret campus is part of the reconversion of the Gerland district, a neighborhood in deep transformation. The campus will serve as a foundation to the requalification of this district. Additional bike paths were created around campus to join the already existing track. Green spaces are visible from public roads and from neighboring buildings to enhance the views of residents.

Product

Rooms retention / infiltration



StormTech

+31 (0)10-299-6410

 http://stormtech.com/


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Infiltration mats compound tunnel structures to infiltrate the entire project rainwater and to provide a zero leakage rate.

Meets environmental standards

Monocrystalline Photovoltaic Solar Panel



BenQ Solar

+886-3-500-8899

 http://benqsolar.com


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The production of photovoltaic panels is used directly in the building. There is no electricity resale. They are installed on roof railings and facing south. 240 m² of panels are installed, 150 high-performance modules (333 W / m²).

Meets the environmental requirements of the operation

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Water management

• Consumption from water network : 7 473,00 m³
• Consumption of harvested rainwater : 1 840,00 m³

Water Self Sufficiency Index : 0.2

Water Consumption/m2 : 0.21

Water Consumption/Work station : 3.74

The drinking water consumption was limited by the choice of hydro-efficient equipment: flush: 3 / 6L Urinal: 1L / hunting tap: 3L / min. Watering green spaces in the ground floor is made from non-potable water aquifer. Water consumption of green space represents 14.3% of the rainwater seeped into the groundwater due to an infiltration carpet.

Indoor Air quality

Air-handling filters are M5 and F9 type, which ensures a fine particle filtration (Int1 - High indoor air quality). In addition, the lining is a minimum of Class A for emissions of VOCs and formaldehyde. The wood used is treated with CTB P + products.

Comfort

Health & comfort : Comfort: Chilled beams help to ensure a residual air speed below 0.15m / s (summer and winter) and heat treating office space. Remote controls are available on each tray to allow occupants to manage the set temperature, lighting (dimming) and blinds. Blinds are installed in the South, East and West and are managed by a weather station (depending on solar gains). This ensures good thermal comfort and avoid glare. Visual comfort is ensured through uniformity >0,7 et un UGR<19. The choice of interior finishes turned to light colors and glazing unit is large enough to ensure good natural light in offices. Acoustic comfort is provided by class B and carpets powerful walls. All the technical premises are located in basements, which limits the risk of noise nuisance. Health: All linings are at least Class A and treatment of the wooden structure is certified CTB + P. The integration of allergen species was limited on the landscape project which allows to create pleasant outdoor areas for sensitive groups. The ventilation rate in the offices of 45m3 / h / beam which ensures excellent air exchange and the filters are of type F5 + F9 (fine filtration ensuring good air quality). The filters were changed before delivery.

Life Cycle Analysis

Eco-design material : wood frame