New cost- efficient construction industry model developed in Finland to meet clients' requirements
The Technical Research Centre of Finland, VTT has developed a model for the construction industry, which improves the requirements of management process for buildings. This is the first time a model links building's requirements and its design information together. This reduces construction errors and construction can be completed faster due to the reduced number of modifications, repairs and delayed installations.
The main beneficiaries of VTT's requirements model are property developers, designers, contractors and especially the end-users of buildings. In the VTT's requirements model the project information is broken down into four sub-models, requirements, design, construction and maintenance models. The requirements model divides requirements on several levels, such as, project, site, building, storey and space in the design model and the systematic structure helps project participants to manage clients' requirements in different phases. In addition, the model automatically links higher level requirements into cascading system level requirements, such as, requirements for partition or external walls, electrical and HVAC systems, etc.
Using the integrated requirements model, clients and designers can co-operate in modifying the requirements for the building as the design progresses and document the changes. This helps to facilitate the development of requirements in the design phase. With the current methods the reasons behind the changes made in the design and construction phases are usually not documented and changes may be implemented without a clear understanding of their relation to the clients' requirements or their implications to the use of the building. This may lead to a building which is very different than the originally approved specifications defined.
To enable utilisation of the VTT's requirements model specification in construction projects the next step is to develop software tools which will link the requirements, design, construction and maintenance models of the building in practice.
Doctoral dissertation publication: http://cife.stanford.edu/online.publications/TR161.pdf
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