Driving Licence Examinations Center
New Construction
- Building Type : Office building < 28m
- Construction Year : 2014
- Delivery year : 2014
- Address 1 - street : 1, Rue Mathieu de Dombasle 55430 BELLEVILLE SUR MEUSE, France
- Climate zone : [Cfb] Marine Mild Winter, warm summer, no dry season.
- Net Floor Area : 278 m2
- Construction/refurbishment cost : 514 690 €
- Number of Work station : 2 Work station
- Cost/m2 : 1851.4 €/m2
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Primary energy need
77.8 kWhep/m2.an
(Calculation method : RT 2012 )
Since 2005, the practical examinations of the driving license for motorcycles and trucks took place in precarious conditions on a military road near Verdun. In 2009, the Delegation for Safety and Road Traffic has programmed the construction of a new runway and a building allocated to theoretical tests.
From the outset of the project, the client wanted to include the construction of this building an environmental approach, particularly in selecting the contractor of the operation given the skills and references presented in sustainable construction.
Architectural approach
Set the limit of a business park on the edge of the fields and on the slopes of developments, the ECCP involved in building both the rusticity of an agricultural building and the modernity of a rational response to a tertiary program incorporating a requirement qualitéenvironnementale. In a search of accuracy and simplicity, construction is intentionally a very simple massing, hollowed by two galleries in false plafondsplanches larch openwork, for a reception and entrance, and a southwest side, coverage in cantilever, sun visor étéformant offices distribution passageway.
The program inshort
The site of the examination center, intended primarily to improve reception conditions for candidates and working conditions of inspectors, has a mixed track for permits A & EC provision for driving schools and a building. This building is primarily intended to:
- Local ERP exams for meetings of code (ETG) and oral or written examination for permits A & EC (EC1), with reception areas, waiting and health.
- The premises of the personal with the offices of inspectors license, a space kitchen-dining, and health. The ETG large room can be used as a place of shared meetings.
Beyond compliance with the functional program, regulation, budget, and enhancement of public services, a process of environmental quality, taking into account the concept of total cost, was desired by the project owner. The architectural and technical solution was available in a low-carbon perspective and declined by a bioclimatic design, the important use of bio-sourced materials, the implementation of simple and durable devices, and the cross-search optimal energy performance.
Sustainable development approach of the project owner
From the outset of the project, the client wanted to include the construction of this building an environmental approach, particularly in selecting the contractor of the operation given the skills and references presented in sustainable construction.The state wished to be exemplary through a comprehensive approach taking into account the quality of construction, energy performance, the operations costs, transportation of materials without forgetting the impact on climate change.
Consultation with the Inspectors of the driving license and road safety throughout the project development has optimized the future users of the framework.
The bio-based building materials enhance comfort, food quality and store 46 tons of carbon. In a predominantly agricultural and forestry department in a logic of territorial ecology, the choice to build the walls and the frame with wood has become faster.
Similarly, it was agreed to experiment the use of straw to insulate the perimeter walls.
Contrary to popular belief, the straw used in insulation is fire resistant, but under certain conditions. The boots that do not cost very expensive (€ 2 each) are easy to implement.
The architect chose to insulate the roof with cellulose wadding and top it off with a green roof and ventilated to improve summer comfort. All windows and siding are wooden. The earthen plaster of the corridor is of educational connotation for visitors and plantations consist of local species such as elderberry and lime.
The Hall of Theoretical Examination General (code), with 40 seats, located north take four skylights and leaves the south side for offices benefiting thus solar gains. Finally, the waters of the roof is collected for flushing toilets.
This willingness to value the regional materials found 9 local companies including 8 Meuse engaged in this process. The supervisor and the company responsible for implementing the straw were formed in the market, the professional rules of building straw.
The companies are strongly committed to respond positively to the social clause in the market. In this context, seven persons have made 666 hours of work for 598 initially planned.
This building, erected in just 1 year, helped train workers in new techniques and must now serve as an example:
-to educate professionals and elected officials as to the suitability of bio-based materials;
-to organize this industry by uniting the actors;
-to create synergy between project owners and local businesses while leveraging knowledge.
Of course, the site is pre-wired for fiber optics, but especially accessible to people with reduced mobility.
Architectural description
Based in voluntary simplicity limit of a business park on the edge of the fields and on the slopes of developments, the ECCP building displays both the rusticity of an agricultural building and the modernity of a rational response to a tertiary program integrating a requirement of environmental quality.In a search accuracy, construction is intentionally a very simple massing, hollowed by two galleries in false ceilings larch boards pierced, allowing a reception and entrance, and a southwest side, for coverage cantilever, summer sun visor, forming distribution offices passageway.
The outer skin is the declination of different implementation larch natural outdoor siding. It can be installed siding vertically for facades exposed to the weather, the recovery looked in the direction of the winds and rain, or horizontal installation for protected facades, but also used in laying to battens trapezoidal in horizontal installation openwork to the right of the building entrance.
North side, the parapet gable is highlighted by the horizontal profile of the high ventilation floor green roof.
The longitudinal wall and protected from the adit, cut and punctuated by vertical timber battens echoing the structural columns, is coated with a mixture of earth ground, straw and sand.
The openings, the larch frame, allow judicious natural lighting of interior spaces, entrances, exits, and views on the exterior, access and tracks, or on the landscape as to the bay window in the background lobby.
The interior is conceived as permanent, functional, and simple and allows a possible new uses.
Inside the structure is revealed by wooden poles and in the examination room, taller by 3 glued laminated carriers farms impact the inclination reveals the roof slope.
On one of the walls of the reception, a small bay gives to see the inside of the wall, straw and wood frame.
Wood widely participates in the construction of exterior spaces as the tracks of local storage with its canopy cantilever, and the enclosure for waste, made with siding falls blades of the main building.
Stakeholders
Designer
Frédéric MARION Architecte dplg
Frédéric Marion - 7 rue St-Martin 54136 BOUXIERES AUX DAMES ☏ 03 83 22 25 28 ✉ [email protected]
http://archilink.com/~trame/scm/OPC + quantitative call for tender - without Performing Studies
Thermal consultancy agency
Lorr'EnR
John PINON - Tel.03 83 15 66 03 [email protected]
http://www.lorr-enr.fr/Thermal study - site assistance (air tightness)
Contractor
Etat- Direction Départementale des Territoires de la Meuse
http://www.meuse.gouv.fr/Designer
Dominique PETIT architecte dplg
Dominique Petit - 7 rue St-Martin 54136 BOUXIERES AUX DAMES ☏ 03 83 22 25 29 ✉ [email protected]
http://archilink.com/~trame/scm/OPC + quantitative call for tender - without Performing Studies
Designer
Anne Thomas architecte - certifiée RFCP
AT-HOME [email protected] ☏ 06 80 85 53 27
PRO Phase - Specifications straw walls expenses
Contracting method
Separate batches
Type of market
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Energy consumption
- 77,80 kWhep/m2.an
- 84,00 kWhep/m2.an
Envelope performance
- 0,24 W.m-2.K-1
- 0,59
Systems
- Radiant ceiling
- Individual electric boiler
- No cooling system
- Double flow heat exchanger
- No renewable energy systems
Urban environment
- 14 201,00 m2
- 2,00 %
- 9 600,00
Product
Straw Bales
univert'foin
Joseph Geltz 14 Place du Marché, 57 320 Bouzonville. France T 33 (0) 387 782 478 M 33 (0) 611 253 227 E-mail: [email protected]
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Straw bales forming integrated insulation to wood-frame boxes (External bracing for rain-fiberboard DWD AGEPAN 16 mm - straw bale insulation - Indoor Housing OSB KRONOBOIS by 18 mm)
Compressed wheat straw bale formed
Boots put on edge, front view, fibers perpendicular to the wall, upSection 360/490 mm50 to 120cm according to procedure and project needs
Density 140kg / m3
Density useful 120kg / m3
Humidity 10-12% at time of installation
Laying by the interior in protected site
Regional product, manufacturing, transport, storage and protection in accordance with French rules of construction straw (PGPR)
Project design straw: Anne Thomas, certified RFCP
Traditional surface coating mud - sand - straw
Fabrication sur site
Fabrication sur site
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Land use of the site, regional sand, and straw waste. Dosage, testing and on-site testing
Laying on wire mesh
earth-based plaster manufactured, tested and implemented according to the requirements described in the PCCN 2012
Water management
Indoor Air quality
Comfort
GHG emissions
Life Cycle Analysis
Reasons for participating in the competition(s)
Desired sobrietyThe use of bio-based construction materials for this low carbon building improve its thermal efficiency in winter and summer, comfort of use, health in the building and allows the storage of 46 tons of carbon. In this region, essentially focused agriculture and forestry, the choice for wooden walls and carpentry was obvious, especially in the perspective of local ecology. The same logic applied when it was decided to use straw for wall insulation and local raw earth for skim coating. The ventilated roof is insulated with cellulose wadding.The use of regional materials (PEFC wood and cellulose wadding from the Vosges, straw from Moselle...) was favored. The contractor and the construction companies are also local or regional. Earth from the land was used for skim coating, as the earth excavated for the archeological study, it was fully used for landscaping. Rain water is collected on the vegetalised rooftop, stored and used for bathrooms and cleaning.
Construction was fully committed to dry process logic. Simple design, materials (as little modified as possible) and technics enable a great recyclability in case of restructuration, extension, or deconstruction. Volume compacity, bioclimatic design, thermal efficiency of walls, passive level air-tightness, dual-flow ventilation were the answers provided to achieve ambitious goals in terms of energy sobriety, reduced consumptions.
An energy solution with wood pellets was studies and discarded for economical reasons - while remaining a possibility - for a heating solution through modular radiating reversible ceiling coupled to controlled ventilation. The building doesn't have any AC but features reversible controlled ventilation for night cooling. A solution to bring daylight was experimented with tubular light wells with shutters.