Veitvet School, Norway


Veitvet School, Norway

Green Aspects


Energy efficiency
The school fulfils Norwegian passive house standards (NS 3701) and uses very little energy for space heating through super insulation and a high degree of airtightness. The school building meets Norwegian energy standard A and is designed to use 76 kWh/m2, which is approximately 50 percent less than Norwegian standards. The multi-purpose hall is designed to use 124 kWh/m2.

Building heat loss was minimized through an integrated design process involving Building Information Modeling (BIM) that optimized the building shape, glazing, U-values and thermal bridges. The roof, exterior walls, windows and floor have U-values of 0.1 W/m2K, 0.17 W/m2K, 0.8 W/ m2K and 0.09 W/m2K respectively. Airtightness in the school has been measured to be 0.3 air changes per hour at 50 Pa, compared with the passive house standard of 0.6 air changes per hours. Over 80 percent of the heat from outgoing air is recovered and efficient heating is sourced from the Oslo municipal district heating system. The school is also equipped with energy efficient lighting, presence detectors to control lighting, ventilation systems, control systems and an energy monitoring system. Solar window shades avoid excessive solar heat gain and the need for cooling.

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Renewable energy
A photovoltaic solar system with panels on the school’s south-facing façade annually generates approximately 6,000 kWh. The system provides electricity to charge electric vehicles in the car park.


Carbon footprinting
Skanska used the Norwegian government’s carbon calculation tool,, which can be used to determine a building’s carbon footprint by calculating emissions from construction materials, operational energy and operational transport. The school’s lifecycle carbon footprint was calculated to be around 42 percent lower than the reference design model for the school. was used together with BIM to identify cost-effective low-carbon materials and design options.

The embodied carbon emissions for the project were calculated to be 3,304 tCO2e, including 2,957 tCO2e for construction materials and 317 tCO2e for site activities (diesel and electricity use), which is approximately 50 percent less than a typical newly constructed Norwegian school building.

Low-carbon solutions included the use of flyash concrete and precast hollow core concrete slabs. Timber was used throughout the building where possible, such as for columns, beams, window frames, ceilings and the façade. Load bearing steel beams made from recycled steel were also used.


Environmentally responsible materials
Construction materials that met the low-emission M1 Emission Classification of Building Materials standards were selected where possible, such as ceiling tiles, floor glue, flooring, and wall coverings. Natural materials included the extensive use of wood and timber, and marmoleum flooring, which is a natural bio-based materials that is also highly durable, non-toxic, anti-microbial and easy to maintain. Plaster and steel beams with high recycled content were also used. During the operation of the school, Skanska will ensure that only environmentally certified cleaning products be used on site.

Waste management during construction
The team followed BREEAM NOR waste standards and diverted 92.5 percent of project waste from landfill, compared with the Norwegian minimum sorting rate of 60 percent. Two workers were specifically employed to monitor construction waste on a daily basis and were paid by result. zoloft dosage ocd

Building elements were prefabricated off-site to reduce waste creation on site, such as the roof and bearing construction. Skanska Norway is a member of Grønt punkt Norge AS, which ensures the recycling of packaging.


Water efficiency
The school is designed to use around 10 percent less water than a typical newly built school in Norway. Dual flush toilets with a maximum 6-liter flush have been installed along with taps with presence sensors. prednisone 5 mg canine

Other Green Aspects

Minimizing environmental impacts of construction
The construction site was certified according to Skanska Norway’s internal Green Workplace environmental management system (Grønn arbeidsplass), which is aligned with Skanska’s ISO 14001 certification. The system has higher emission standards for site machinery, energy efficient indoor and outdoor site lighting, and stricter standards for chemicals and waste management than Norwegian building regulations demand. In addition, Skanska worked to retain much of the existing vegetation during construction.

Green roofing
The entire 3,000 m2 roof is covered by sedum vegetation. Green roofs provide additional thermal insulation and extend the roof ’s lifespan by protecting it from weathering and ultraviolet light. Roof vegetation can also provide habitats for birds and insects, filter airborne pollution and reduce stormwater runoff.

Raising awareness of more sustainable buildings
During construction, Skanska held several tours of the site for school children, including a large event attended by the Norwegian Prime Minister and around 600 people in total. Skanska also organized specific events with the school, such as lectures concerning sustainability and BREEAM-NOR. The school itself will be used as an educational tool for pupils to learn about passive and more sustainable buildings. For example, a display in reception shows how much energy the PV system generates.

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