City Hall and multifonction space in Champneuville (55)

5222
Last modified by the author on 27/08/2019 - 18:37

Extension + refurbishment

  • Building Type : Other building
  • Construction Year : 1920
  • Delivery year : 2012
  • Address 1 - street : 9 rue de l'église 55100 CHAMPNEUVILLE, France
  • Climate zone : [Cfb] Marine Mild Winter, warm summer, no dry season.

  • Net Floor Area : 212 m2
  • Construction/refurbishment cost : 513 601 €
  • Number of none : 100 none
  • Cost/m2 : 2422.65 €/m2
  • Primary energy need
    84.5 kWhep/m2.an
    (Calculation method : RT 2005 )
Energy consumption
Economical buildingBuilding
< 50A
A
51 à 90B
B
91 à 150C
C
151 à 230D
D
231 à 330E
E
331 à 450F
F
> 450G
G
Energy-intensive building
  • Meuse Energie Nouvelle 2011 Label (New Energy in Meuse)
  • Energy requirements management on patrimonial buildings by EDF
  • Rubans du patrimoine 2013
  • LQE 2013 Prize winner (Environmental Quality in Lorraine)

The city’s project is committed to meeting the maximum amount of criterias in sustainable development and incorporating a social dimension by consulting residents. Besides, self-financing was achieved thanks to an ethical et solidarity-based bank. The operation involves renovation, restructuration and extension of the city hall and the old community hall.

The main objectives were:

    • to improve the conditions of use
    • to comply with the new legislations: accessibility, safety, acoustics, thermal in order to reach the BBC renovation performance .

Sustainable development approach of the project owner

- Meuse Energie Nouvelle 2011 Label (New Energy in Meuse)
- Energy requirements management on patrimonial buildings by EDF
- Rubans du patrimoine 2013
- LQE 2013 Prize winner (Environmental Quality in Lorraine)

The city’s project is committed to meeting the maximum amount of criteria about sustainable development and incorporating a social dimension by consulting residents. Besides, self-financing was achieved thanks to an ethical et solidarity-based bank. The operation involves renovation, restructuration and extension of the city hall and the old community hall.

The main objectives were:
- to improve the conditions of use
- to comply with the new legislations: accessibility, safety, acoustics, thermal in order to reach the BBC renovation performance .

Low environmental impact building site :
- Departmental Charter on construction’s waste management
- Building Processes and construction materials chosen for quality implementation with low environmental and sanitary impact

Hygrothermal comfort
- Good inertia of the envelopes
- Perspirant walls
- Blackout roller blinds on south and west facades
- Programmable double-flow ventilation

Acoustic comfort
- Building submitted to the Decree 2007-1467 du 12/10/2007
- Acoustic Limiter for sound amplifiers
- Very good acoustic quality of the hall
- High-quality sound insulation

Visual comfort
- Natural Light
- Non-reflective materials and coverings
- Blackout roller blinds on the windows, doors, south and west facades.
- Motion detector switch

Architectural description

Works involve renovation, restructuration and extension of the city hall and the old community hall.
The main objectives were:
- improve the conditions of use
- compliance with the new legislations: accessibility, safety, acoustics, thermal

Orientation:
- Existing Building: north.
- Extension: southwest

See more details about this project

 http://www.lqe.fr/home/upload/fiches/FicheMairieChampneuville.pdf

Stakeholders

    Contractor

    Mairie de CHAMPNEUVILLE (55)


    Designer

    Agnès RIES





    Company

    Dreneri Bâtiment


    Company

    Meuse Métal


    Company

    Gil Carrelages



Type of market

Global performance contract

Energy consumption

  • 84,50 kWhep/m2.an
  • 148,00 kWhep/m2.an
  • RT 2005

    Primary energy needs calculated from the average of two buildings:
    - City hall: 48 kWh FE/m2/year
    - Community hall: 121 kWh FE/m2/year
    Primary energy needs for a standard building calculated from the average of two buildings:
    - City Hall = 83 kWh FE/m2/year
    - Community hall = 213 kWh FE/m2/year

  • 962,00 kWhep/m2.an

Envelope performance

    Materials
    -Structure: Existing: facades and shear walls in dressed stone and rubble stone, timber work, tiles cover. Extension: brick masonry 25 cm thick, roof terrace in concrete with watertighness and insulation
    - Insulation:.Cellulose wadding, wood wool, high-density polyurethane
    - Joinery: solid wood, double windows in community hall
    - Facade.: Existing: dressed stone and coat. Extension: larch siding.
    - Floors and Walls: Solvent-free paints on wall coverings in cellulose fiber, wall panelling in laminated wood, enamelled stoneware earthenware. Floors: tiles floor in enameled stoneware, solid oak woodfloor. Ceilings: perforated plastered board, acoustic false ceiling in mineral and wood fiber. Insulation : "Box in box" principle and the airtightness.
    - Roofing: Existing: 400mm blown cellulose wadding. Extension: Insulation under tightness and complement on the underside of concrete slab with 100 mm wood wool.
    - Walls. internal dubbing 160 mm wood wool with technical plenum
    - Floors : 80 mm high density polyurethane under concrete screed (no HCFC, HFC or CFC). Punctually, 120mm wood wool under solid oak flooring
    - Glazing. Insulation Uw 1.40 W/m²K. Double windows in community hall.

    EN 13829 - q50 » (en m3/h.m3)

  • 0,76

Systems

    • Wood boiler
    • No domestic hot water system
    • No cooling system
    • Double flow heat exchanger
    • Wood boiler

    - Heating: wood pellets stove
    - Ventilation: programmable double flow ventilation .

Urban environment

  • 3 114,00 m2

Construction and exploitation costs

  • 71 406
  • 513 601
  • 432 201

Indoor Air quality

    - Non-polluting material
    - Perspirant walls
    - Natural ventilation and double flow ventilation

GHG emissions

  • 1,60 KgCO2/m2/an

Life Cycle Analysis

    Stone; wood (larch, oak); cellulose wadding; wood wool; solvent-free paint; Wood fiber

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Author of the page

Marie-Laure Aubriot

Chargée de mission construction durable


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