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Kastelli, Oulu, Finland

  • Building type:
  • Education & Culture
  • Other Public Buildings
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Kastelli multipurpose hall and school, the largest construction project by the City of Oulu, Northern Finland, was completed in August 2014. Professionals who worked on the project, together with the extensive use of computer modelling technology, played a key role in managing the project. Peikko’s on-time deliveries were also integral to the success of the project.

The 24,500 m2 building will house two schools, classrooms for evening and adult education classes, a day care centre, a library, an auditorium, a youth club, and gym facilities. Commissioned by the City of Oulu, the goal is to offer facilities for a range of different age groups close to where people live under one and the same roof. The project generated a number of cost and time-saving ideas, says Mikko Mäläskä. One of these was the work done on optimising the lifting anchors used for the building’s 12-tonne, double-storey interior cladding elements. “We would probably have replaced the auditorium’s elements with in-situ cast concrete if Peikko had not stepped up to the mark so quickly. First, Peikko worked out the basic idea for how these massive elements could be safely lifted into place and then confirmed by calculations that it could be done,” explains Pauli Sutinen, Managing Director of VB-Betoni, which has supplied the elements in question. Toni Metsi, Peikko Finland’s Regional Sales Manager for Northern Finland, emphasises the importance of the quality and the timing of customer service in ensuring that everybody gets the information they need when they need it in a project like this. “This is an important principle for us at Peikko,” he says. “When the customer asks us to clarify a product-related issue for them, we aim to respond as quickly as possible, both in terms of technical customer service and production. One of the issues that we were asked to investigate for the Kastelli project was how best to carry out the most demanding hoisting needed. This is what comprehensive service is all about, not just booking orders and delivery product.” Hanna Keskiaho says Lemminkäinen has very much appreciated Peikko’s approach, particularly solutions that were realized with the use of anchor bolts, PETRA hollow-core slab hangers, and smaller steel parts. Peikko also provided detailed dimensioning calculations for the lifting anchors needed for the interior cladding elements supplied by VB-Betoni, which enabled precast panels to be used here safely. The solution worked out between Peikko and VB-Betoni meant that the elements could be transported to the site horizontally and erected into their final vertical position with a minimum of difficulty. Peikko’s expertise has also benefited the project’s structural engineers, WSP Finland, as it freed up a lot of their time to concentrate on the main aspects of the design and the detailed engineering needed. This has proved particularly valuable, given the very tough timetable that everyone has been required to work to and the geometrical complexity of the design, which won a specially organised architectural competition. Massive number of custom parts The unusual shapes characteristic of the design presented their own challenges in specifying the building’s elements and dimensioning Peikko’s products. “Peikko was a natural choice for us, as we’ve worked with them successfully for many years,” says Hanna Keskiaho. “In fact, we wouldn’t have chanced giving such a big contract to some small supplier.” Keskitalo is particularly impressed by Peikko’s ability to deliver its products to the site in only a week, despite the customised nature of the parts in question. Ensuring construction never halts because of Peikko is obviously a priority for the company, she says. “Even when we put in an order for a big delivery of bolt connections, Peikko was able to deliver enough of these items in about a week to get things off to a good start.” Around 2,000 anchor bolts were ordered from Peikko, together with around 650 TS Joint Reinforcements. All of these, together with the custom lifting anchors described above, were supplied by Peikko’s plant in Lahti, which also supplied the PETRA hollow-core slab hangers. “The hollow-core slab hangers were a particularly critical delivery, and Peikko handled this very well too,” says Lemminkäinen Talo’s Structural Foreman Kimmo Similä. Peikko’s steel components played an important role in ensuring the smooth production of the building’s elements at VB-Betoni’s plant in Vaala, which never had to halt work while it waited for a delivery. “We got everything we needed on time. That’s quite an achievement, as the number of parts needed proved a lot larger than the original estimate,” says Pauli Sutinen. “But that’s what I have come to expect from Peikko.” Peikko Finland’s Business Manager for Connections, Antti Rousku stresses that customers need to be able to rely on Peikko’s scheduling, even when deliveries are made up of large number of custom parts. “In projects like this, we always set up a project organisation to guarantee our delivery,” he says. “This enables us to ensure that we have the capability on hand to handle detail engineering work associated with how our products are used. We have to be able to see the big picture and see the customer’s needs in terms of that big picture.”

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Peikko was a natural choice for us, as we’ve worked with them successfully for many years,” says Hanna Keskiaho. “In fact, we wouldn’t have chanced giving such a big contract to some small supplier.

Hanna Keskiaho, hankintainsinööri, Lemminkäinen Talo Oy

Project facts

Project size:
24 500 m2
Construction company:
Lemminkäinen PPP Oy
Structural Engineer:
WSP Finland
Arkkitehtitoimisto Lahdelma & Mahlamäki Oy
Delivery year:
Completion year:

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Heikki Jäämaa

Heikki Jäämaa


Mob. 040 712 3432
[email protected]