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HEATING AND VENTILATION GERMÁN ELZAURDIA – HOSPITEC, URUGUAY


Use of pre-insulated pipes in HVAC systems


Germán Elzaurdia, from Hospitec, highlights the need to challenge the belief that it is only possible to have hospitals with sustainable technologies in developed economies. A project in Uruguay clearly demonstrated the opportunities to create energy efficiencies and save costs by using pre-insulated pipes for HVAC installations.


Main façade of the SMI hospital.


Hospital buildings consume a huge amount of energy resources, are often poorly managed, with inefficient and outdated systems. To maximise efficiency, the energy services must be made a focus in every new project. This can be a challenge in countries with emerging economies, with environments that are not yet fully technologically developed and in a market that does not yet measure the economic benefits of having buildings with a sustainable energy consumption. When work commenced on the


expansion and re-design of the central


Chilled water generation plant, consisting of 3 water chillers.


healthcare facilities of the SMI Medical Institution in Montevideo, the capital city of Uruguay, the goal was to utilise innovative technologies to reduce the energy profile of the new areas of the building. The project consisted of an extension , attached to an existing


of 18,000 m2


facility – expanding the site’s capacity with 180 beds distributed over eight floors, an emergency service, a diagnostic imaging service, a surgical block of eight operating theatres, a sterile services centre, consultation areas and various


Germán Elzaurdia


Germán Elzaurdia, an architect, graduated from FADU, Universidad de la República, Montevideo, Uruguay, in 2015. He is currently undertaking a Master’s degree in project and management of hospital buildings at the Catholic University of Murcia/Alebat Education, with a view to completion in 2019. He is a former faculty member at


FADU, UDELAR, for architectural project courses and graphical expression courses. Germán has also been a speaker at various international hospital engineering conferences. He has been a partner at Hospitec Architects, since 2015, a firm specialising in hospital programmes and high complexity buildings. A SUAIH member, Germán has participated in the execution of more than 40,000 m2 of hospital buildings and 45,000 m2


of other programmes.


He was appointed as co-designer and construction manager of the renovation of the SMI central hospital.


IFHE DIGEST 2020


intensive care units. This was to be added to the existing building of 24,000 m2 by August 2019, an area of 11,000 m2


and, was


executed, as part of the first phase of the project. Several aspects were applied to reduce


the energy consumption of the building. This included some passive measures, such as the installation of double glazing and insulation of potable water, thermal conditioning and medical fluid systems – as well as the implementation of some active measures, such as a high efficiency water chiller system, high efficiency heat exchange and recovery systems, intelligent control and monitoring systems for potable water and HVAC, and solar collection systems for the generation of hot water. The existing building is a hospital


complex that has undergone multiple reforms and expansions over 70 years of operation, resulting in a plethera of different systems and technologies. This necessitated an in situ test of how the systems performed within the environment, to evaluate efficiency, installation and lifetime costs, as well as maintenance requirements. Of all the services, HVAC had the


highest diversity of technologies, featuring central heating by radiators, mini split


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