Ca s o d e e s tu d i o : Ro l l i n g e r g r u n d S ch o o l S i ti o we b : h ttp ://www.co n s tr u cti o n 2 1 .o r g /e s p a n a / Rollingergrund School PUBLICADO POR DE LIMA | 18 JULIO 16 Tipo de pro yecto : Rehabilitació n Tipo de edificio : Escuela, instituto , universidad Año de la co nstrucció n : 19 75 Zo na climática : [Cfb] Marine Mild Winter, warm summer, no dry seaso n. Superficie útil : 1 46 0 m 2 Co ste de la co nstrucció n : 2 6 70 0 0 0 € Número de unidades funcio nales : 1 Estudiantes Co ste/m2 : 1 8 29 €/m 2 Co ste/Estudiantes : 2 6 70 0 0 0 €/Estudiantes 239 , rue du Ro llingergrund , L-2441 Luxembo urg, Luxembo urg // Descripción http://www.arco .lu/ Fiabilidad de lo s dat o s : Aseso r // Actores Representante del contratista No mbre : ARCO Philippe Po ncé , PPo nce@arco .lu Sitio web : http://www.arco .lu/ Contratista general No mbre : Ville de Luxembo urg Filo so f ía am bie nt al de l pro m o t o r : Go als: - Energy perfo rmance co mparable to that o f a new co nstructio n - maximum day light - Optimal air quality - Sustainable materials - Sho rt co nstructio n phase The so lutio ns : - Remo val o f all damaged items and all thermal bridges - Co nservatio n o f the basic structure as a suppo rt and mass sto rage fo r ho t and co ld - Refurbishing o f the thermal envelo pe - Co ntempo rary architecture co mbined with functio nal design - Inside: bright ambience and natural materials The existing building had a very po o r energy perfo rmance. Stro ng reductio n o f the energy co nsumptio n and use o f sustainable materials will enable the reductio n o f maintenance co sts. The existing facade elements have been dismantled and immediately replaced by new insulating wo o den elements partly prefabricated. This metho d allo wed to co nduct parallel wo rk within the building and reduce co nstructio n time. De scripció n de la arquit e ct ura : A new facade has been implemented to impro ve the building's energy perfo rmance. Fro nt / Wo o d Elements: The unsealed and po o rly insulated existing co ncrete structure was co mpletely co ated with a new thermal envelo pe made o f prefabricated wo o den elements with cellulo se insulatio n. The reached U value is 0 .15 W / m2 K ca. External jo inery: To ensure o ptimal use o f natural light, the classro o ms were fit with glass in their entire length and height. The wo o d-aluminium windo w frames, , with ventilatio n o pening, are equiped with a triple glazing. They reach a U value o f 0 .9 W / m2 K. The external auto matic pro tectio n against the sun prevents o verheating in summer. Ro o f: The existing flat ro o f was insulated with mineral wo o l, sealed with vegetated EPDM strips. It reaches a U value o f 0 .11 W / m 2 K. Ventilatio n: To ensure a high air quality in ro o ms, a central ventilatio n system with high heat reco very was installed. The system is co ncealed in the false ceiling area abo ve the existing furniture. Lighting: The lighting o f classro o ms was co mpletely dismantled in favo ur o f extremely efficient lights. Presence detecto rs and auto matic respo nse to natural light is the guarantee fo r an eco no mic use. // Energía Consumo de energía Ene rgía prim aria ne ce saria : 10 1,8 0 kWh PE/m 2 /an Ene rgía prim aria ne ce saria po r un e dif icio e st ándar : 132,0 0 kWh PE/m 2 /an Mé t o do de cálculo : RGD du 31 ao ût 20 10 - bâtiment fo nctio nnel Co st e de la e f icie ncia e ne rgé t ica de l e dif icio : 0 kWh PE / € Co nsum o inicial : 0 kWh PE/m 2 /an Comportamiento de la envolvente Valo r de la U : 0 ,38 W.m -2 .K-1 Más inf o rm ació n : Rehabilitatio n and co mpliance o f the scho o l, in o rder to make it mo re attractive and get the energy label A. Installatio n o f walls in timber frame with thermal insulatio n o f 36 cm cellulo se. Frame with triple-glazed windo ws. Thermal insulatio n o f existing co ncrete walls with 20 cm thick ro ck wo o l. Cladding facades and cano py with Trespa panels. Realizatio n o f a green ro o f with 28 cm o f thermal insulatio n and an Alwitra waterpro o fing membrane. // Renovables y sistemas // Comportamiento ambiental // Productos Trespa Météon Pro duct o r: TRESPA Co nt act o : TRESPA Página we b: http://www.trespa.co m/sites/default/files/co def240 Cat e go ría de l pro duct o : Obras estructurales / Estructura - Albañilería - Fachada De scripció n: An efficient design canno t be do ne witho ut efficient materials, finishing and systems. Trespa Meteo n co mbines all these qualities. Co m e nt ario s: - // Costes Co ste de la co nstrucció n : 2 6 70 0 0 0 € Costes de construcción y explotación Co st e t o t al de l e dif icio : 3 20 0 0 0 0 ,0 0 € // Entorno urbano Ent o rno urbano : Ro llingergrund is lo cated in the no rthwest part o f the city o f Luxembo urg and is the seco nd largest area after Cessange. Ro llingergrund is a very green area. It has many parks because o f its lo catio n in the valley. Many green areas are scattered thro ugh the hills. The Bambësch fo rest is a part o f the natural heritage. It gives Ro llingergund an impo rtant place in the city o f Luxembo urg, because it is the central area o f relaxatio n o f the capital. // Calidad ambiental del edificio Calidad am bie nt al de l e dif icio : Eficiencia energética, la gestió n de la energía // Concurso