The roof and one wall to Rosvalla tennis hall in Nyköping yielded to pressure and blew his nose collapsed in 2010.
Several high-profile race has occurred in construction projects with unclear division of responsibilities. Swedish Technology & amp; Architects have taken an initiative to improve the situation.
Numerous buildings collapsed during the winters of 2010 and 2011, which got the SP, SP Technical Research Institute, to talk about the system error that is often lacking a designer responsible for the overall stability of a building.
– Now, the company supplies components to a much greater extent than previously. The risk is that a designer makes rafters and another wall construction, but no one takes care of the big picture when putting together the said Carl-Johan Johansson at SP 2012.
The need to appoint a head designer, responsible for the whole, was not mentioned even by the Swedish Work Environment Authority after the high-profile collapse at the Health Centre houses in Ystad spring of 2012.
Investigators from the Swedish Work Environment Authority suggested a clarification of the regulations so that a main constructor must be appointed if several engineers are involved in the same project. No such requirement has not yet been introduced, but still discussed within the Administration.
In engineering consultants trade and employers’ organization Swedish Technology & amp; Architects noticed that several designers felt bad after the collapse at the Health house.
– Designers have a great responsibility, it creates stress and becomes a health and safety issue. It started with Kista collapse, where the one who got the blame was the young designer, says Mikael Hallgren, an engineer with Tyréns.
Kista The collapse occurred 2008, when the mall was expanded. A beam with too narrow life gave way, causing the slab collapsed, killing one person.
After Ystad collapse formed Swedish Technology & amp; Architects, STD, a thematic group to try to improve safety and work has resulted in a model for the role as head designer. The note states that a principal designer must have an overall picture of the construction works on the technical characteristics in terms of, for example, resistance, stability and durability.
According to the model, the main constructor also examine the involved designers’ drawings and calculations, and have the power to disallow them if they do not measure up.
The idea is the template to clarify the role in cases where a principal engineer appointed.
– In the current situation, it is a voluntary document that can serve as basis for such procurement, says Mikael Hallgren, part of the thematic group.
Should the main constructor in your template to take responsibility for overall stability of a building?
– Yes, that’s a given. But we do not relieve the designer who makes the plot any responsibility. The main designer must verify that the overall stability calculation has been made, but it could have been done by someone else, says Mikael Hallgren.
Michael Hallgren do not know how many projects that have used the new template, but within Tyréns he knows some cases.
– Tyréns have used the model as a basis for the client make up about how the division of labor should go, he said.
How have they thought it has worked?
– I have received feedback that people are grateful to the template exists at all. It strengthens designers’ in their discussion with clients because it is an industry-wide document. Otherwise, it may seem that we’re talking in own thing and just want to access additional sales, he says.
Michael Hallgren believe that several of the shortcomings that have been revealed in the construction project at the Health house would have been avoided if the model had been used in the procurement. Where burst coordination between the various construction firms and led among other things to different types of anchors between the joists and wall were reported from the different providers.
But the direct cause of the collapse, the pillars feldimensionerades by copying them into the drawing program and was put in the wrong place, would probably not have been detected with the new template.
What do you hope template should lead to?
– Increased safety and engineers to feel safer after their assignments and projects. Knowing that the component you yourself have constructed works along with the rest, says Mikael Hallgren.
Should not it be a legal requirements with a main constructor of complicated projects?
– It is a matter for the National Housing Board. We have recommended that they write it in its regulation, and I perceived that they would consider it in their work, says Mikael Hallgren.
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