Hélène Boucher condominium in Sevran

by VERONIQUE VERNA
/
2019-02-13 16:39:32
/
Francia
/
7873 / FR

Renovation

Building Type : Collective housing < 50m
Construction Year : 1973
Delivery year : 2018
Address 1 - street : 10 ALLEE HELENE BOUCHER 93270 SEVRAN, France
Climate zone : [Cfb] Marine Mild Winter, warm summer, no dry season.

Net Floor Area : 1 700 m²
Construction/refurbishment cost : 480 811 €
Cost/m2 : 282.83 €/m²

Primary energy need :
64 kWhep/m².an
(Calculation method : )

Energy consumption

Economical buildingBuilding

< 50A

51 à 90B

91 à 150C

151 à 230D

231 à 330E

331 à 450F

> 450G

Energy-intensive building

Energy renovation of a small joint ownership of 23 lots in Sevran ( in Paris suburbs) as part of the "OPAH Quartier Rougemont". The works included the insulation of the roof terrace, the installation of a thermal insulation from the outside, the replacement of all the joinery, the installation of a humidity-sensitive ventilation, the insulation of the low floor and the setting up of the building's safety. The energy saving is 68%.

Sustainable development approach of the project owner

Rehabilitation and energy renovation of a 1970 condominium: 23 housing units under the OPAH of the Rougemont district with the operator OZONE.

Insulation from the outside, Insulation of the roof terrace, replacement of all windows, and upgrading common areas. ECIC thermic. EVAM syndic. Budget 480 € 811 ht.

This allowed to divide by almost 3 the energy consumption of the condominium from 178 to 64 kWeh/m²/year. It has reached certain levels of BBC renovation requirement (without being labeled) thanks to this performance.

Building users opinion

The occupants dropped the interior heating temperature by 3 ° C.

Contractor

Name : SYNDIC EVAM 17/19 Rue Jean Charcot, 93600 Aulnay-sous-Bois

Construction Manager

Name : VERNA ARCHITECTES

Contact : VERONIQUE VERNA

Stakeholders

Function : Thermal consultancy agency

Function : Assistance to the Contracting Authority

Contracting method

Separate batches

Energy consumption

Primary energy need : 64,00 kWhep/m².an
Primary energy need for standard building : 178,00 kWhep/m².an

Calculation method :

CEEB : 0.0002

Breakdown for energy consumption : 22% heating
30% ECS
9% lighting
2% auxiliary pumps
5% auxiliary fans

Initial consumption : 178,00 kWhep/m².an

Real final energy consumption

Final Energy : 57,00 kWhef/m².an

Envelope performance

Envelope U-Value : 0,62 W.m^-2.K^-1

Systems

Heating system :

Urban network

Hot water system :

Urban network

Cooling system :

No cooling system

Ventilation system :

Humidity sensitive Air Handling Unit (Hygro B

Renewable systems :

No renewable energy systems

Biodiversity approach

Urban environment :

Residential environment, Rougemont district in Sevran.

Product

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Replacement of the windows and guardrail doors with a carpentry with a fixed flame arrestor to respect the C + D

Clear glazing and increased standards

Construction and exploitation costs

Cost of studies : 6 403 €
Total cost of the building : 628 000 €
Subsidies : 521 900 €

GHG emissions

GHG in use : 10,00 KgCO₂/m²/an

Methodology used :

Existing RT

GHG emissions were 30 KgCO2 / m2

Reasons for participating in the competition(s)

Energy renovation of a small joint ownership of 23 lots in Sevran as part of the "OPAH Quartier Rougemont". The works included the insulation of the roof terrace, the installation of a thermal insulation from the outside, the replacement of all the joinery, the installation of a humidity-sensitive ventilation, the insulation of the low floor and the setting up of the building's safety. The energy saving is 68%.