Iberdrola tower
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Description of Iberdrola Tower, Bilbao, Spain. Sustainability aspects. Architect: César Pelli. This document was last modified on 8th November 2013.
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Iberdrola tower
- 1. Iberdrola Tower (Source: skyscarpercity; Image by: Unknown) (Source: google maps) (Source: panoramio; Image by :Unknown) 1 1 2 3 4
- 2. Technical challenges: -Foundations http://www.skyscrapercity.com/showthread.php?t=564601 (Source: Consorcio deAguas Bilbao Bizkaia; Author: unknown;) 2 3 1 4 Stone columns Deusto Bridge Foundations University Siphon Parking Major constraints due to the urban environment( Mayo-Martinez,2013); 2 (Source: SkyScrapercity; Author: unknown;) (Source: Consorcio deAguas Bilbao Bizkaia; Author: unknown;)
- 3. 3 Diaphragm walls. Provisional containment system. Image property of Torre Iberdrola AIE. ( Mayo-Martinez,2013); Diaphragm walls. excavation to the level of support from the foundation of the tower. Image property of Torre Iberdrola AIE. ( Mayo-Martinez,2013);
- 4. Sustainability LEED (Leadership in Energy and Environmental Design) CS 2.0 Certification • Public transport- less pollution; • Better interior environment – low levels of VOCS materials used ; • 20% of the content is recycled; • 20% of materials transported come from within a radius of 800 km; 4
- 5. 5 Energy rate, according to the Rate of Environmental Sustainability Edification in Basque Country, from Environmentally Sustainable Building Guide in Administrative or Office Buildings 2009.
- 6. 6 (Source: torreiberdrola.es; Image by: unknown)
- 7. The standard floors have a minimum free height of 2,80 mand hav a 60 cm suspended ceiling and 20 cm raised technical flooring, easing the provision of air- conditioning, cabling and telecomunications. The flexibility of the floors makes possible to split each floor into 5 offices 7 (Source: torreiberdrola.es; Image by: unknown)
- 8. 8 (Source: El Correo © DIARIO EL CORREO, S.A.U. Image by: Unknown;) • Parking for bicycles and changing facilities (showers for cyclists!); Low emission and efficient vehicles – 15 parking places for electric cars;
- 9. 9 (Source: El Correo © DIARIO EL CORREO, S.A.U., Image by: unknown)
- 10. 10 (Source: El Correo © DIARIO EL CORREO, S.A.U.; Image by: Unknown;) • Reduction of 40% in water consumption ; • Innovative waste water technologies;
- 11. • 20% of the space used for green areas; • 3 olive trees in the Lobby; (Source: eitb; Author: Unknown;) 11 (Source: eitb; Author: Unknown;) ( Source: eitb; Author: Unknown;) 1 2 3
- 12. AIR CONDITIONING AND VRV SYSTEM The common areas of the tower have been designed with grids AE, ceiling diffusers VDW (10,000 pcs.) and ADLR, and ventilators LVS. The use of regulators IN and MSA mufflers ensures that the air supply to the different spaces is done in a totally controlled way, noise free and without annoying drafts. Through the AWG is introduced outside air conditioners renewal for TKM, for KUL gates the foul air is ejected outside of the buildings and JZ dampers control the pressure and flow in the system. AE Grids Ceiling diffusers ADLR and VDW LVS air vents Conditioners, TKM series Mufflers MSA Flow regulators series IN AWG outdoor grills JZ dampers KUL dampers The air conditioning system has been designed for optimum efficiency, flexibility and user comfort. This is achieved thanks to the high level of renewed air in the ventilation system and the synergy with the active facade ventilation built into the Tower’s architectural design. The air conditioning is distributed throughout each floor via a large number of independent VRV units, enabling different temperatures in different areas and an important energy saving as units in areas with reduced occupancy can be switched off. 12 Variable Refrigerant Volume (Source: trox.es; Author: unknown)
- 13. 13 (Source: eitb; Author: Unknown;) 1 2 3 (Source: eitb; Author: Unknown;)(Source: eitb; Author: Unknown;)
- 14. 14 Fishmouth detail, at corner and at center of façade; Source: Zemborain (2012), (Bos et al., Challenging Glass 3:Conference on Architecture and Structural application ;see references)
- 15. 15 fishmouth Very transparent glass! • Ventilated Active Façade 1 2 (Source: Zemborian (2012); Image by: Unknown) (Bos et al., Challenging Glass 3:Conference on Architecture and Structural application ;see references) (Source: vidrioperfil; Image by: Unknown;)
- 16. 16 “The exterior wall, which acts as the water barrier, tilts following the building massing, while the inner wall remains vertical. This inner wall consists of a series of operable windows that allows maintenance of the resulting cavity. It also acts as the fire and smoke boundary of the building, which allowed us to provide 1 meter fire separation required by code while creating a completely glazed exterior with minimal transoms as intended” (Zemborian, A.,2012) (Bos et al., Challenging Glass 3:Conference on Architecture and Structural application ;see references) (Source: imageshackAuthor: Unknown;) 1 2 3 (Source: vidrioperfil; Author: Unknown;) (Source: imageshackAuthor: Unknown;)
- 17. Thank you !
- 18. Slide 1: 1)www.panoramio.com/photo/53577884 2) maps.google.co.uk/maps?q=google+maps+bilbao&ie=UTF- 8&hq=&hnear=0xd4e4e27664b89b9:0x6534acc41e95a645,Bilbao,+Biscay,+Spagna&gl=uk&ei=6Md8Uv6TM9 KThQfy1ICwDA&ved=0CCoQ8gEwAA 3) www.skyscrapercity.com/showthread.php?t=564601 Slide 2: 1): www.skyscrapercity.com/showthread.php?t=564601 2),3): www.consorciodeaguas.com/html/pdf/sifuni.pdf 4) Mayo-Martinez M. "Iberdrola Tower. Structure." DYNA. September 2013. Vol. 88-5 p.520 Slide 3: 1) Mayo-Martinez M. "Iberdrola Tower. Structure." DYNA. September 2013. Vol. 88-5 p.520 2) Mayo-Martinez M. "Iberdrola Tower. Structure." DYNA. September 2013. Vol. 88-5 p.521 Slide 5: 1)www.unican.es/NR/rdonlyres/00012251/tohgybnoxbdhmmunfuriqtbudmoxkknk/Guia_edificaci%C3%B3n_ sostenible_edificios_administrativos.pdf Slide 6: 1) www.torreiberdrola.es/download/es/Dossier_servicios_presentacion_torreiberdrola.pdf , p. 16-17 Slides References
- 19. Slides References Slide 7: 1) www.torreiberdrola.es/download/es/Dossier_servicios_presentacion_torreiberdrola.pdf, p.17-18 Slides 8, 9, 10: info.elcorreo.com/graficos/2011/transformacion-bilbao/torre-iberdrola.htm Slide 11: 1) www.eitb.com/multimedia/images/2012/02/16/612846/612846_Imagen_111_foto960.jpg 2) www.eitb.com/multimedia/images/2012/02/16/612848/612848_Imagen_122_foto960.jpg 3) www.eitb.com/multimedia/images/2012/02/16/612839/612839_Imagen_139_foto960.jpg Slide 12: www.trox.es/xpool/download/es/pdf/reference_projects/torre_iberdrola.pdf Slide 13: 1) www.eitb.com/multimedia/images/2012/02/16/612835/612835_Imagen_078_foto960.jpg 2)www.eitb.com/multimedia/images/2012/02/16/612840/612840_Imagen_096_foto960.jpg 3) www.eitb.com/multimedia/images/2012/02/16/612838/612838_Imagen_092_foto960.jpg
- 20. Slides References Slide 14: 1)* Bos, F., Louter, C., Nijisse, R., Veer, Fred, 2012, Challenging Glass 3: Conference on Architecture and Structural application, Amsterdam: IOS Press, BV . Available at: books.google.co.uk/books?id=yekrr9Dz2TgC&pg=PA167&lpg=PA167&dq=challenging+glass+3+torre+iberd rola&source=bl&ots=FYdf3gFkaJ&sig=vjSLYjqyqxEWZ3rR7Dl1SmNa5oc&hl=it&sa=X&ei=7ud2Upf1DKOO 0AXU6YH4Dg&ved=0CCoQ6AEwAA#v=onepage&q=challenging%20glass%203%20torre%20iberdrola&f= false Slide 15: 1)* 2)www.vidrioperfil.com/img/noticias/torre-iberdrola-completa-su-fachada-1.jpg Slide 16: 1) img189.imageshack.us/img189/8232/85608153.jpg 2) desmond.imageshack.us/Himg18/scaled.php?server=18&filename=dsci0011z.jpg&res=medium 3)www.vidrioperfil.com/img/noticias/torre-iberdrola-completa-su-fachada.jpg
- 21. Further References Mayo-Martinez M. "Iberdrola Tower. Structure." DYNA. September 2013. Vol. 88-5 p.518-524 Challenging Glass 3: Bos, F., Louter, C., Nijisse, R., Veer, Fred, 2012, Conference on Architecture and Structural application, Amsterdam: IOS Press, BV . Available at: <books.google.co.uk/books?id=yekrr9Dz2TgC&pg=PA167&lpg=PA167&dq=challenging+glass+3+torre+i berdrola&source=bl&ots=FYdf3gFkaJ&sig=vjSLYjqyqxEWZ3rR7Dl1SmNa5oc&hl=it&sa=X&ei=7ud2Upf 1DKOO0AXU6YH4Dg&ved=0CCoQ6AEwAA#v=onepage&q=challenging%20glass%203%20torre%20ibe rdrola&f=false> www.unican.es/NR/rdonlyres/00012251/tohgybnoxbdhmmunfuriqtbudmoxkknk/Guia_edificaci%C3%B 3n_sostenible_edificios_administrativos.pdf www.torreiberdrola.es/download/es/dosier_torreiberdrola.pdf issuu.com/bilbaointernational/docs/iberdrolaen Video: teknopolis.elhuyar.org/reportajes/torre-iberdola-construccion-de-altura/?lang=es
Editor's Notes
- Sifon de la Universidad (University Siphon, an incredible construction to collect residual waters), a tunnel of 5 meters diameter, that passes through the site in the West zone with North-South direction. The tower ‘s foundation is situated 2 meters from the gable of the tunnel. The site is located on land formed by alluvial silts and clays of very soft consistency and great compressibility. The persistent presence in the soil surface of piezometric level almost associated tidal range . Existing structures : a) foundations of Deusto bridge , west of the site, b ) retaining walls Square parking Euskadi , south of the parcel; c ) the stone columns North zone made in the so called Campa de los Ingleses to accelerate the consolidation of silt ,prior to the execution of the urbanization.
- SUSTAINABILITYTorre Iberdrola have the prestigious LEED (Leadership in Energy and Environmental Design) CS 2.0 Certification, awarded by the USGBC (US Green Building Council) which assesses and recognises projects using more environmentally-friendly practices, ones that are therefore healthier, more respectful of the environment and with more cost effective structures. As a result, attention has been paid to the regeneration of the area around the building, its public transport links, its parking capacity, parking for bicycles, the maximization of spaces, etc. Public transport. To reduce the pollution generated by transport, Torre Iberdrola is located in an urban area very well connected with the public transport network, including the underground, tram and local buses. Parking for bicycles and changing facilities. To reduce pollution and the impact of the use of cars, those renting offices have access to parking spaces for bicycles (98 places) and changing facilities with showers that cyclists can use. Low emission and efficient vehicles. It also has 15 parking places for electric vehicles with a charging point. Maximisation of open spaces. The design of the Torre Iberdrola development guarantees that at least 20% of the free space is used for green areas. WATEREFFICIENCY Reduction of 40% in consumption. To reduce the demand for drinking water in the building it has been equipped with innovative technologies, such as electronic taps and limits on the volume of water used in the toilets, with the result being a reduction of 40% compared to standard consumption. Innovative waste water technologies. To reduce the demand for drinking water, the floor M1 houses a system for recovering greywater. Water coming from the basins and toilets on floors 2 to 35 is recovered and treated so that it can be reused for the toilets and urinals on the floors with rented offices (4 to 29) and M1. Rainwater in the downpipes from the roof is also reused and before joining the water recovery system it passes through a filter which removes 80% of the solids in suspension. BETTER INTERIOR ENVIRONMENT To improve the health conditions for those working there, the construction of the Torre Iberdrola has used materials with low levels of volatile organics so that their components are not dissipated over the lifetime of the building. ENERGY EFFICIENCY AND USE OFRENEWABLESTorre Iberdrola is a sustainable and energy efficient building which uses renewable energies that allow for significant savings for the companies based there. Green energy. Torre Iberdrola buys all its energy in the form of IBERDROLA Green Power that comes exclusively from energy sources certified 100% renewable, characterized by being as environmentally friendly as possible and avoiding CO2 emissions and other pollutants, thereby reducing the greenhouse effect in the atmosphere. On buying IBERDROLA Green Energy it is using energy that is cleaner, more environmentally friendly and more suitable for protecting nature. Energy optimisation. The air conditioning system has been designed to maximise efficiency, flexibility and the comfort of users. This is achieved thanks to the high air renewal rate for ventilation and to the synergy with the architecture of the tower itself through a Ventilated Active Façade. On each of the floors, the air conditioning is distributed through a large number of independent units (VRV - Variable Refrigerant Volume), which allows for different temperatures at different points of the floor and for money to be saved by switching off those located in less heavily used areas. All of this results in savings of around 20% in energy consumption. MATERIALS AND RESOURCES Recycled content, 20%. To conserve natural resources, it can be demonstrated that at least 20% of the materials used in constructing Torre Iberdrola are recycled. Materials from the area, 20%. To reduce the environmental impact of transporting goods, at least 20% of all the materials used in the construction of the Torre Iberdrola have come from within a radius of 800km. INNOVATION IN TECHNOLOGY AND PROCESSESThis system also allows companies renting offices in the building to benefit from the developer's sustainable strategies, since they can obtain their own Leed Certificate for interiors, with all the advantages this brings. EFFICIENT AIR CONDITIONINGAND ENERGY SAVING The air conditioning system has been designed to maximise efficiency, flexibility and the comfort of users. This is achieved thanks to the high air renewal rate for ventilation and to the synergy with the architecture of the tower itself through a Ventilated Active Façade. On each of the floors, the air conditioning is distributed through a large number of independent units (VRV), which allows for different temperatures at different points of the floor and for money to be saved by switching off those located in less heavily used areas. www.iberdrola.es
- The floors in the offices have been painted with special anti-dust paint and the offices also have a false ceiling and raised floor, guaranteeing the full functional flexibility of the space. The false ceiling, with 60 cm of free space to the framework, is of the perforated metal tray type, and both the lights and the other utilities are integrated into this. For its part, the modular floor, raised to offer 20 cm free height, is of fire resistant anhydrite.
- “The spandrel was designed as angled metal panels that absorb the geometrical differences between the two walls, forming a shape that we called "fishmouth". As the stack joints of the exterior panels arch towards the center of each facade from a low point at the corners, the angles of the fishmouth vary from module to module creating a warped surface. Automatic motorized blinds inside the wall catch the heat that enters in the cavity, which is then mechanically removed. That heat can be later recovered to pre-treat the fresh air in winter time. This double skin solution was instrumental to the energy efficiency of the building, which is expected to achieve a LEED Platinum certification from the United States Green Building Council.” Book: Challenging Glass3 – Conference on Architecture and Structural application. 2012 Article by: Axel Zemborain
- “The exterior wall, which acts as the water barrier, tilts following the building massing, while the inner wall remains vertical. This inner wall consists of a series of operable windows that allows maintenance of the resulting cavity. It also acts as the fire and smoke boundary of the building, which allowed us to provide the solid 1 meter fire separation required by code while creating a completely glazed exterior with minimal transoms as intended.” Book: Challenging Glass3 – Conference on Architecture and Structural application. 2012 Article by: Axel Zemborain