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Building Information Modeling/ Virtual Design & Construction
At the Råslätt residential area in Jönköping, Skanska is undertaking a comprehensive renovation of half of all the units there – 1,250 apartments. The buildings were constructed between 1967 and 1972 and were part of the million homes program.
We are replacing sewer pipe systems, renovating bathrooms and making the conversion from direct electric heating to district heating. The project began in 2007 and will be completed in 2011.
Skanska has created a knowledge bank – Miljonhemmet – based on our collective experiences with the million homes program. This knowledge bank includes pipe replacement, which we have benefited greatly from during the work at Råslätt. Tools are also constantly improving when we develop new methods. Råslätt has, for example, contributed a new model for thermal conversion to the knowledge bank.
Some 48 nationalities are represented in Råslätt and over 100 different languages are spoken there. We have succeeded in creating a clear dialogue with the residents so that they feel secure and involved. A clear sign that we succeeded is that the tenant survey forms that VätterHem sends out on a routine basis have not shown any increase in the number of complaints.
The time it takes to renovate each apartment has been reduced, from six weeks to 17 days, while costs have been reduced by 20%. We were able to achieve this by finding more intelligent construction methods.
The conversion from electric to district heating has reduced heating costs by 30% and is better for the environment.
Our excellent skills regarding the million homes program have resulted in our client, VätterHem, expanding our assignment. We hope that our good collaboration will result in us being entrusted with the renovation of the remaining 1,250 apartments in the area.
Anna Westher+46 10 44 89 212
Mejl Anna Westher
Marknadssegment: Apartment buildings
Renovating this almost 40-year-old million homes program area will be a boost for its residents. Since tenants are staying put, it has been important to shorten construction times and cause as little disruption as possible to their everyday routines. VätterHem has conducted tenant surveys on a regular basis that have shown that complaints have not increased, despite the fact that we are inside, rebuilding the tenants’ apartments. Moreover, we have managed to maintain zero errors during final inspection.
Conversion from electric to district heating has reduced heating costs by 30% and is better for the environment.
The environment and safety are important even during the actual construction process. To date, we have completed approximately 500,000 work hours with zero accidents.
Råslätt is a Green Workplace, which means, among other things, that we meet Skanska’s criteria for low energy consumption and sortable waste. For example, we use energy-efficient lighting and have work bikes.
Råslätt is a partnership assignment involving close client cooperation. Consequently, subcontractors are on the same level as us during dialogues with the client, and they feel a greater responsibility to deliver according to plan and on budget.
All tenants remain in their apartments during the renovation, which poses special requirements on those of us performing the work. It is important to have meetings with everyone involved at the start of the project. Residents need to get answers to their questions and feel comfortable about the situation.
Our employees and subcontractors are considerate of the residents and willingly answer questions. Things are going surprisingly smoothly thanks to a positive attitude on the part of everyone.
”48 nationalities are represented in this residential area. Sometimes it can be a little difficult with the languages, but we have resolved that. At the cleaning firm, there is a cleaner who knows several languages, while VätterHem has caretakers who know other languages,” explains Jan Aspång, Product Manager at Skanska.
Enabling tenants to remain in their apartments requires good planning. We hold a construction meeting every month and weekly meetings with the skilled workers and subcontractors.
The time it takes to complete an apartment has been reduced from six weeks to 17 days. That means less hassle for the residents and 20% lower costs. We are finding intelligent solutions that we are making sure get reused during the project. These solutions are very useful also for other Skanska projects, since we compile all new knowledge into our knowledge bank – Miljonhemmet.
In customer surveys, VätterHem has proven to be a very satisfied customer, which they have also shown us through their continued confidence. They have reached a service agreement with us for several nearby communities.