sustainable buildings in cold climatesold...repairs of residential buildings costs an estimated 60...

2016-03-231

SUSTAINABLE BUILDINGSIN COLD CLIMATESUlf Nordwall

Peab Region NorthOversight of where weare currently building

HotelBORGARFJÄLL

Some houses lastlonger and ages more

beautiful than others. But howdo we build them and how

can we afford to live in them?

”

How do you want to live?

• Square meters• Function measurement

• Availability• Volume• Energy

• Rent

FUNCTIONMEASURABLE VALUES

• Material and details• Quality

• Degree of public/private• Rectangularity

• Movements• Room organisation

FUNCTIONUNMEASURABLE VALUES

BEAUTYTHE GOLDEN RATIO

SUSTAINABILITYWhen taking into account the total life span,the management stage occupies 70-80%of the total cost.

Repairs of residential buildings costs anestimated 60 billion SEK every year.(SCB, 2012)

Any relocation in an apartment costs about 25-30 000 SEK(Bostads AB Poseidon)

Good management is a competitive tool to keep the tenants

Focus on management has gone from technology to individual

How shall we afford to live?CALCULATION METHODS

CALCULATION METHODSSUSTAINABILITY

Starting point in the userand revenue drivers

Starting point in thetechnical solution andcost drivers

• KEY FIGURES

• EXPERIENCE VALUES

• ASSUMING CONDITIONS

• SENSITIVITY ANALYSIS

SUSTAINABILITY

Costing in early stages

Project cost < Market value

= OK to invest?

Project cost > Market value

= Haggle project cost?

Investment assessmentSUSTAINABILITY

• RESIDENCES – Living area, Living area/gross area

• OFFICE PREMISES – Office area, Office area/Living area

• SCHOOLS – LOA/pupil, UMA/pupil

• HOTEL – number of beds, room size

• HOSPITAL – number of hospital beds

• ARENA – number of seating places

Key figuresSUSTAINABILITY

Passivhus, Bollnäs (JOHANNA HOLM)

” The building is apassive building. Passivebuildings are designed toachieve as little as possiblepurchsed energy use overtime.

Laggarbergs skola, Timrå (ANDERS NYQUIST)

” This project is anexample that proves thatit is possible to rebuild anold school and transformit into a modern schoolbased on the principles ofrecycling.

Villa Ödman, Kvissleby (ANDERSNYQUIST)

Foundations with foamglass andlocal healthy eco-friendly materials.”

Gene Fornby, Örnsköldsvik (PER RAMQVIST)

Through, among other things, the northern, cooler area, severalregional solutions have emerged, such as: the fireplace being placedin the cattle shed and the dwelling rooms were unusually wellinsulated among other things.

”

Fiskevistet, Skagsudde (ULF NORDWALL)

To accentuate each other and createtension between the traditional and themodern is the theme of the building thatwas built at Skagsudde.

”

Ting 1, Örnsköldsvik (GERT WINGÅRDH)

The deep, glazed balconies create a climate zone around thebuilding which help to keep the heat in and simultaneously limit thesunlight radiation during the summer.”

Lerstenen, Umeå (THOMAS SANDELL)

The building hasbeen constructed bylocal contractorswith local suppliersand materials.

”

Arkitekthögskolan, Umeå (LENNART SJÖGREN)

The building is characterised by itsflexible architectural design. The materialshave been chosen to last for at least100 years.

”

Garaget, Umeå (JOHANNA OLSSON)

Reuse is the key word here from a sustainabilitypoint of view. Reuse of a place, a building and itsparts.”

Geografigränd, Umeå (ULF NORDWALL)

Low-energy house with venues androoms for versatile utility.”

Väven, Umeå (SNÖHÄTTA & WHITE ARKITEKTER)

With the city’s prime location, next to Umeälven, Väven is a meeting place for culture and people.”

Hedlunda förskola, Umeå(THOMAS GREINDL, JENS HOFF & JONAS KJELLANDER)

The construction materials used, both insideand outdoors, has been considering how the childmight experience them. Not least with the senseof touch, how it feels to take on different surfacestructures.

”

Kv Drevet, Umeå (ULF NORDWALL)

The new regionaloffices that Peab builtin Umeå is one of thefirst office buildings inSweden which is of alow-energy type.

”

Tavleliden, Umeå (THOMAS GREINDL)

The six houses builtat Tavleliden havebecome Sweden’snorthernmost certifiedpassive houses.

”

Umeva, Umeå (PETER JÖNSSON)

The interior designat the workplaces isincorporated into thebusiness operationsand is marked with theNordic Swan.

”

Kv Laxen, Skellefteå (OVE NILSSON)

The building opens up with large windows facing southoffering a beautiful view. The building’s transparent parts areprotected by a canopy.”

Kv Glasmästaren, Skellefteå (OVE NILSSON)

The building’s scale, materials and the colour scheme fit in with the surrounding builings.The wooden fascia with its carefully detailed finish is designed to increase the building’s longevity.”

Kv Hunden, Luleå (ANDREAS FRIES)

The residentialbuilding marks theblocks location as agateway to the citycenter and is linkedto other tallbuildings in thetownscape.

”

Kv Sparven, Luleå (BENGT AILI)

The Danish building bricks are of a veryhigh quality, both technically and with regard tothe appearance created.”

Hemavan, Hemavan (TOMAS SANDELL)

Hemavan/Fjällormen’s characteristic grassroofs are not just a part of the design, the extrasoil acts as an insulating layer.”

Raketskolan, Kiruna (MATS JAKOBSSON)

Material selection has been made withregard to the amount of embodied energy.The ventilation system is able to recover 90percent of the heat from the air in the rooms.

”

Ishotellet i Kiruna (YNGVE BERGKVIST)

The ice hotel in Jukkasjärvi isbuilt with natural ice, taken directlyfrom the Torne River. The hotel isrebuilt every year.

”

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Summary:Sustainability can be expressed inmany different ways. The future willshow which projects that will makean imprint.

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Thank you!

Ulf NordwallPeab Sverige ABRegion Nord ByggTel. +46 (0) 90 712 044Mobil. +46 (0) 733 37 48 02ulf.nordwall@peab.se