{"id":36394,"date":"2022-10-20T08:36:38","date_gmt":"2022-10-20T05:36:38","guid":{"rendered":"https:\/\/www.sweco.fi\/?post_type=showroom_cpt&p=36394"},"modified":"2022-12-05T18:35:14","modified_gmt":"2022-12-05T16:35:14","slug":"helsinki-upper-secondary-school-of-natural-sciences","status":"publish","type":"showroom_cpt","link":"https:\/\/www.sweco.fi\/en\/projects\/helsinki-upper-secondary-school-of-natural-sciences\/","title":{"rendered":"Helsinki Upper Secondary School of Natural Sciences"},"content":{"rendered":"
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Helsinki Upper Secondary School of Natural Sciences<\/h1>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\t\n\t\t\n\t<\/section>\n\n
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Helsinki Upper Secondary School of Natural Sciences to feature more than 1,700\u00a0cubic\u00a0metres of wood<\/h1>\n

A new wooden general upper secondary school with an emphasis on natural sciences will be completed in connection with the Kumpula campus of the University of Helsinki. For SRV, the project represents lifecycle-wise construction, supported by wood construction experts from Sweco all the way from the call for tenders to implementation planning.<\/p>\n

The new Helsinki Upper Secondary School of Natural Sciences is owned by Helsinki University Properties Ltd. The new building and shared use facilities of the school will be opened to approximately 900 general upper secondary students in autumn 2023. The Kumpula campus is also home to the University of Helsinki, meaning that the general upper secondary students will have early access to the world of science. The general upper secondary school may also utilise the teaching and sports facilities of the university.<\/p>\n

SRV implemented the project as a collaborative project management contract, with a design team consisting of experienced wood construction professionals right from the start of the tendering process. \u201cDue to the COVID-19 pandemic, we were unable to meet face to face for a long time, but working together came naturally to us from the start,\u201d says Design Unit Director Robert Holmstr\u00f6m <\/strong>from SRV Construction Ltd.<\/p>\n

The design team remained unchanged from start to finish. \u201cIt was fantastic to be able to implement structural design all the way from the tendering and development stages to implementation planning,\u201d says Project Manager Susanna Friman <\/strong>from Sweco.<\/p>\n

The wooden general upper secondary school strengthens SRV\u2019s already extensive expertise in wood construction. \u201cWe want to create lifecycle-wise buildings that take the client\u2019s wishes, financial aspects, users\u2019 wellbeing and the environment into account in the long term,\u201d Holmstr\u00f6m says.<\/p>\n

The spaces can withstand almost anything<\/h4>\n

The client and the future staff and users of the school were heavily involved in the process throughout planning. Their key wishes included the adaptability of the spaces, which was ensured by implementing the frame as a combination of a pillar and beam solution and solid wood CLT elements.<\/p>\n

\u201cLoad-bearing partition walls were only implemented in stairways. Otherwise, the spaces are equipped with flexible movable folding walls,\u201d says Senior Structural Engineer Petri Kokkonen <\/strong>from Sweco. CLT-concrete composite slabs were used in the intermediate floors. \u201cAll in all, more than 1,700\u00a0cubic\u00a0metres of CLT and glued laminated timber were utilised in the school.\u201d<\/p>\n

The adaptability of the spaces was also taken into account by implementing a larger than usual superimposed load. \u201cUsually, a sufficient superimposed load for teaching facilities is 2.5\u00a0kilonewtons per square metre, but for this site the superimposed load is 5\u00a0kilonewtons,\u201d Kokkonen says. To put this into perspective, the superimposed load for ventilation machine rooms is usually approximately 4\u00a0kilonewtons. \u201cThe structural strength is at a level where the general upper secondary school facilities should be able to withstand almost any kind of use.\u201d<\/p>\n

Joint commitment to schedules<\/h4>\n

The entire project group was committed to shared risk management from the start, and the factors monitored included humidity control, budget and schedule, to name a few. Each party recorded their own schedules in a pilot tool developed by SRV. \u201cCommitment to shared schedules truly comes into its own when the entire design team drafts the schedules together,\u201d Holmstr\u00f6m says.<\/p>\n

Cooperation was especially important in the fire protection design for the building. The site is compliant with the requirements of fire resistance class P0. \u201cIn order to meet the requirements, the project applied solutions that differed from dimensioning tables, which required close cooperation with rescue authorities and building control,\u201d Friman says.<\/p>\n

The finished wooden general upper secondary school will feature many impressive details, such as a diagonally timbered facade and a massive outdoor canopy serving as the focal point. \u201cConnecting its load-bearing pillars and beams to the grid structure of the roof was one of the most interesting tasks of the project,\u201d Kokkonen says. \u201cThe pillars that are more than 20\u00a0metres long and the 30-metre beam had some of the largest dimensions of any glued laminated timber structures we have designed.\u201d<\/p>\n

Picture: Arkkitehdit AFKS, SRV<\/p>\n

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