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Oslo, Norway

Turunen-Rindel I.,Standards Norway | Knudtzon L.,Norwegian Institute for Urban and Regional Research NIBR | Laukli E.,University of Tromso
Proceedings of Forum Acusticum | Year: 2011

Universal design or accessibility to all is in great focus in Norway and other European countries. The population structure is changing. People live longer and the number of elderly people is gradually increasing in the population. These changes cause a great political interest for people managing their lives on their own as long time as possible. The Norwegian technical regulations for buildings require accessibility to all. The main focus in technical regulations and laws in Norway is on public and work buildings. In order to follow up the needs for aging people and all kinds of hearing and visually impaired people, a revision of the sound classification of buildings in NS 8175 is therefore necessary. The suitability of the present limit values and types of criteria suitable for hearing and visually impaired people are considered for open plan teaching environments and open plan offices, cultural buildings, museums, lobbies, assembly halls, shopping malls, restaurants, etc. A socio-acoustic survey has been conducted among hearing and visually impaired people concerning their experiences of acoustic conditions at these different types of buildings, spaces and rooms. The results of the survey and types of problems in various spaces are presented. The findings are used for evaluation of acoustic criteria that are relevant for implementation in the building regulations and in sound quality classification. Source


Brynn R.,Standards Norway
Assistive Technology Research Series | Year: 2014

The background for this presentation is the adaptation of a new national standard for user participation in ICT in Norway in December 2013. The standard provides requirements for including user participation as a part of the different stages of the development process of ICT services and products. The article sets the content of the standard into a larger context of user participation theories, presents the role of standardisation as a tool for the objective of universal design both on national and European level, and presents some ideas about the practical use of a standard for user participation in the development processes in the field of ICT products and services, but also in other fields where inclusion of users' interests and viewpoints is relevant. © 2014 The authors and IOS Press. Source


Turunen-Rindel I.,Standards Norway
42nd International Congress and Exposition on Noise Control Engineering 2013, INTER-NOISE 2013: Noise Control for Quality of Life | Year: 2013

The first Norwegian Standard on acoustic classification, NS 8175, was published 1997 with four quality classes. Classes for dwellings were harmonized with those of other Nordic countries; class C was related to building codes. The standard concerns dwellings, hospitals, schools, kindergartens, work premises etc. Indoor noise and sound insulation criteria and outdoor noise limits nearby buildings were specified. After some years of experience, criteria were revised and new editions were published 2005 and 2008. In 2012 additional criteria for universal design were finalized for public and work buildings. In order to follow up needs for aging population, children, hearing and visually disabled and others, new criteria were adopted. A socio- Acoustic survey was conducted among hearing and visually disabled. Their experiences of acoustics in spaces were applied as basis for selected criteria on room acoustics and noise levels. Acoustic quality for universal design is defined by measures for reverberation time vs. room height, acoustic absorption, noise level, speech intelligibility etc. Also, sound amplifying systems and devices for assisted listening are applied. Latest classification concerns acoustics in museums, lobbies, assembly halls, restaurants, transport terminals, commercial buildings etc. As the standard is closely connected to building codes, changes are harmonized with the codes. Source


Turunen-Rindel I.,Standards Norway | Laukli E.,University of Tromso
Proceedings of Forum Acusticum | Year: 2014

In 2012, a revised version of the sound quality classification standard, NS 8175, was issued. Universal design for accessibility to all in public and work buildings was the main purpose of this revision. Both vision and hearing impaired persons may have great difficulties in work buildings and public areas. A socio-acoustic survey made in connection with the revision showed that in particular the hearing impaired may have great difficulties in a number of areas, production areas and restaurants being most problematic concerning speech communication. It is well-known that background noise level and reverberation time are important factors for the recognition of speech. Normal hearing adults may start to have problems when the A-weighted noise level reaches 45 dB. A reverberation time exceeding around 0.5 s may influence the speech recognition. Hearing impaired subjects with hearing aids will have far greater problems with noise and reverberation. Considering the younger subjects, even normal hearing children have reduced speech recognition as compared to the adults. Hearing impaired children with hearing aids have been shown to have dramatically reduced communication performance under poor acoustic conditions. This is of particular importance in kindergartens and for teaching conditions in schools.Therefore, the revised NS 8175 has introduced new maximum values for both noise levels and reverberation times in public spaces. Source


Leivestad S.,Standards Norway | Mehus J.,Standards Norway
Structural Engineering International: Journal of the International Association for Bridge and Structural Engineering (IABSE) | Year: 2012

This paper addresses the importance of achieving quality in new structures by first promoting implementation of adequate quality systems in design and execution standards, most prominently of them EN 1990 Basis of structural design. Secondly, by motivating the stakeholders in the industry to appreciate the added value that adequate quality procedures will provide and see this as a normal and natural part of their work. Naturally such procedures will also have a similar role in the increasing volume of assessment and retrofitting of existing structures. Source

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