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Solaris, Sustainable architecture, Positive Energy and Well-being in the workplace


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Solaris, Sustainable architecture, Positive Energy and Well-being in the workplace

  1. 1. n SOLARIS, FRANCE’S FIRST POSITIVE ENERGY BUILDING • 31,000 sqm • 882 car parking places, 90 places for motorcycles and 100 for bicycles • The structure comprises two separate buildings, A and B, each with a surface area of 15,000 sqm Solaris, north view • Average module size of 5,000 sqm • Average depth of modules: 18 metres • Floor clearance: 2.70 metres • 1,000 sqm of interior gardens • Terraces on upper floors An innovative project par excellence, Solaris already stands as the • 4,223 sqm of solar roof panels benchmark for the future RT 2020 sustainability framework. The initial • 120 geothermal probes going down idea was to erect a building which generates more electricity than it to a depth of 100m consumes. That goal has been achieved, as Solaris will achieve positive energy status in terms both of kWh-boe and hard cash. To achieve such high performance, SERCIB has formed a multi- disciplinary team of outstanding experts, including architectural design by the “Architecture et Environnement” practice, thermal, static and thermodynamic design offices, and economics and innovation consultants. Solaris is a concept that can be reproduced on demand for units of 5,000 sqm. In the present case, the Clamart municipality will take delivery of the first SOLARIS building (building permit obtained on 11 octobre 2008 for a 31,000 sqm building).
  2. 2. n OUR FUTURE IS BEING BUILT TODAY Deployment of a “Sustainable Development” approach has already become an essential standard component in the design of office buildings. Above and beyond those standards, the practical aspirations of our contemporaries have changed. Whether through exposure to the positions of Al Gore or via Solaris, north view news about the 2007 Grenelle de l’Environnement environmental round table in France, a general awareness about the need for urgent environmental action has arisen. An unstoppable trend towards eco-citizenship has emerged on all continents. The recent warning shot of high energy prices when oil was at US$150 a barrel in mid-2008, heralding higher energy costs on a lasting basis, stimulated economic realism. All these observations have led to the realisation that in our business as property developers, only buildings meeting environmental responsibility concerns and which are energy efficient and generate renewable energy will satisfy the market requirements of tomorrow. Our sense of responsabilities has galvanised our company to conceive buildings that are ahead of their times, pre-empting regulatory and legal requirements for HPE (high energy performance), THPE (very high energy performance) and BBC low energy-consumption) buildings. This is how we have designed a reproducible building that is ten years ahead of its time, and which uses heat from the sun and the earth. This is France’s first positive energy building. Solaris is an existing repoducible concept for environmentally- Solaris, south view responsible investors and end-users. Dominique Lebel, Chairman SERCIB
  3. 3. Meudon forest n A PROJECT DRIVING A SUCCESSFUL URBAN REGENERATION PROGRAMME Solaris is located in Clamart, in the south western Paris suburbs.The municipality is close The tram project to Paris and adjacent to Issy-les-Moulineaux, Vanves and Malakoff and forms a natural extension to the south west Paris business districts while simultaneously benefiting from spin-off from the Vallée Scientifique de la Bièvre science park. A very dynamic economic renewal programme has taken shape in the former industrial estate (ZIPPEC) running alongside the A86 motorway, which has been renamed NOVEOS. This is where Solaris was born. The emblematic development is playing a pivotal role in the urban regeneration of the area and is being seen as a symbol of its sustainable development and strong forward-looking bias. Major international corporations have already been attracted to the area, including MBDA, Renault, Coca-Cola, Danone, Sanofi Synthelabo, Optic 2000, and Ela Médical. The Clamart multimedia centre As an unmistakeable sign of the regeneration of public space, the site will be on the route of the new tram service which from 2011 will connect the Châtillon-Montrouge station on Line 13 of the Paris Metro to Solaris, and continue onwards towards the suburbs of Vélizy and Viroflay. As a highly environmentally-friendly means of transport, the tram will strengthen the local public transport network and in addition to the metro line will also link with Line C of the RER suburban express, the SNCF line into Paris Montparnasse, and that of St Lazare-La Défense from Viroflay railway station. The site is also served by four bus routes irrigating the Hauts de Seine département and also serving the adjacent Essonne and Yvelines départements. A district rehabilitated for new, strongly service-oriented usage has been totally reinvented. A new economic momentum is genuinely underway at local level. With the immediate proximity of the Forest of Meudon, the green lung of the surrounding economic community, the site offers a living and working environment as outstanding as it is rare.
  4. 4. n SAVING TO PRODUCE MORE Texlon® roofing used to create EFFICIENTLY a microclimate at garden level. Support beam Before it starts to generate electricity, a building must start by cutting down on energy use. Mobile membrane The first objective in the design of Solaris was thus to achieve even more exacting cuts in energy consumption than those required by France’s BBC low energy-consumption building Incoming air standard. Open Solar and temperature sensors cause the upper air chamber to be pressurised allowing light to penetrate This was made possible by: through the gestalt graphics. • a north-south layout and an optimized building shape. • insulation via the outer shell of the building by abolishing thermal bridges, combined with energy-efficient glazing. • the use of thermal inertia (internal mass). • night-time over-ventilation + rotary heat exchangers. • sophisticated regulation. Closed As internal temperatures in solar gains increase, • use of geothermal energy. the lower air chamber is pressurised reducing the level of light and solar gain penetrating • a garden creating a microclimate. the space. Lot B2.2 Lot B2.1 Lot A2.1 Lot A2.2 Lot B2.3 Lot B2.4 Lot A2.4 Lot A2.3 BULDING B BULDING A n SMART MANAGEMENT About the lighting: • Luminaires are located in accordance with workstation location and use low-consumption bulbs. • Lights go on only when users are present. • The lighting adapts to exterior lighting levels using dimmers. About temperature control: • The energy is stored in the floors using a network of coils. • The heat generated during daytime building use is absorbed. • In winter, 120 thermal probes tap the heat generated by the enormous mass of earth 100 metres underground and inject it inside the building. In summer, the opposite happens. • The dual regulation system is computer controlled. • During mid-seasons, cheaper night-time over ventilation is used to store cold in the building’s interior structures. This combination of technologies will enable Solaris to halve its energy bill, taking energy costs (before solar panel generation) to just 7/sqm/year, compared with 16/sqm/year for an equivalent RT 2005 building.
  5. 5. n THE EARTH AND THE SUN AT THE HEART OF SOLARIS Once it has managed to reduce its energy consumption, Solaris can generate renewable energy. This is how it becomes a positive energy building according to French RT 2005 calculation rules. To achieve this degree of performance, Solaris takes its energy from two natural sources: the sun and the earth, by combining • a roof installation comprising 4,223 sqm of solar panels (the biggest roof installation in the Greater Paris region on a service building) • 120 geothermal probes 100 metres deep, for a total of 12 km! Combining these two systems enables Solaris to offset its energy requirements, generate surplus energy and make substantial CO2 savings. The value of the electricity generated and sold on to EDF, theFrench Electricity Utility, is estimated at 291,000/year, or 9.38/sqm/year. Solaris thus generates 9.38/sqm/year - 7.38/sqm/year = 2,38/sqm/ year net, which can be allocated to the tenant’s private use to operate computers, printers, photocopiers, etc. Key figures: Solaris consumption 43.7 kWh-boe/sqm/year Requirement: 1,266,907 kWh-boe/year Generation: 1,320,960 kWh-boe/year RT 2005 calculation basis
  6. 6. n WELLBEING FOR ALL User comfort was a constant objective in the design of Solaris. This comfort calls for HQE High Environmental Quality certification: Solaris obtains a P (high) or TP (very high) performance rating for each of the 14 HQE targets. Six targets are TP (note that the HQE label requires applicants to achieve only seven P or TP targets out of the total of 14). Users will also be able to benefit from a 1,000 sqm breathing interior garden with a revolutionary transparent roofing material called Texlon®.This umbrella-type roofing is made up of pneumatic “cushions”, similar to bubbles, which offer enhanced temperature regulation and optimised light filtering. The garden creates its own micro-climate. Two large staircases link the fully-lit and fully visible levels of the garden, guaranteeing the pleasant nature of the vertical circulations which will, as a result, be used on foot. • Inter-company restaurant • Cafeteria • Concierge • Crèche • Service lift • Sun screens • Exterior blinds (depending on façade) • Reinforced floor area for storage
  7. 7. n COMMITMENT Ce qui est vrai restera (“True today, true tomorrow”) is SERCIB’s baseline, adopted two decades ago, and it is as true now as it was then. Solaris is ahead of its times. In energy performance terms, the project is currently without doubt the most sophisticated on the market. Among the challenges that SERCIB has undertaken to meet are those of providing avant-garde buildings which are nevertheless what the market wants, leveraging new technologies by using those with a proven track record, reconciling construction with environmental protection, and being an influential player in urban regeneration. n A REPRODUCIBLE CONCEPT Solaris is a concept that can be reproduced on demand for units of 5,000 sqm and above for environmentally responsible investors and end-users. SERCIB can satisfy all demands in France and elsewhere. Depending on the latitude of the countries concerned and their specific regulatory frameworks, the concept can be adjusted, but the basic principles remain unchanged. SERCIB supports the ten principles of the United Nations Global Compact. Immeuble Crystal 6 rue Hélène Boucher – 78 280 Guyancourt - France Tél : +33 (0)1 39 30 57 30 - Fax : +33 (0)1 39 30 57 39 - - Document non contractuel - Crédit photos / Illustrations et perspectives : Architecture et Environnement - SERCIB - Document imprimé sur du papier labellisé FSC / Photos Maire de Clamart et Infracom.