IC ON RE L OA DE D NORDIC BUILT CHALLENGE NORWAY

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1 IC ON RE L OA DE D NORDIC BUILT CHALLENGE NORWAY

2 PERSPECTIVE

3 PERSPECTIVE

4 INDOOR PERSPECTIVE

5 BASIC CONCEPT EXPANSION A RENEWAL MUST BE ALWAYS ALSO CONSIDERED FROM AN ECONOMIC POINT OF VIEW. EXPANSIONS CAN BALANCE IMPROVEMENT COSTS BUT THIS IS ONLY ONE OF MANY DIFFERENT REASONS FOR THE DECISION OF THIS PROPOSAL TO MAKE AN EXPANSION IN THAT SCALE. A BRIEF DESCRIPTION OF SOME ELEMENTARY ASPECTS ARE GIVEN BELOW. LOCATION CITY CENTER DENSIFICATION VERSUS URBAN SPRAWL. DENSIFICATION BECAUSE OF LOCATION IN THE CITY CENTER. ABSOLUTELY BEST ACCESS TO PUBLIC TRANSPORT AS WELL AS INDIVIDUALLY ENVIRONMENTAL FRIENDLY ACCESSIBILITY (E.G. BICYCLE) URBAN DEVELOPMENT THE SURROUNDING IS CURRENTLY UNDERGOING A COMPREHENSIVE TRANSFORMATION. BG14 AND THE RADISSON BLU HOTEL WILL NOT LONGER BE THE ONLY VERTICAL BUILDINGS, EVEN IF THEY WILL PROBABLY STAY THE HIGHEST ONES. FROM AN URBAN PLANNING POINT OF VIEW IT WILL BECOME A NEW QUARTER WITH CONTEMPORARY CHARACTER. WITH THE RENEWAL OF BG14 THERE IS THE POSSIBILITY TO MAKE A CONTRIBUTION WITH AN OUTSTANDING BUILDING, WHICH CAN HAVE A POSITIVE IMPACT ON FURTHER DEVELOPMENTS. ARCHITECTURAL COMPACTNESS THROUGH THE EXPANSION BG14 BECOMES A MORE COMPACT BUILDING - RELATIONSHIP BETWEEN BUILDING VOLUME AND ENVELOPING SURFACE. ATRIUM THE EXPANSION CREATES AN ATRIUM, WHICH BENEFITS THE ENTIRE BUILDING - PARTICULARLY IN TERMS OF INDOOR CLIMATE. SPATIALITY SPATIAL AND FUNCTIONAL SURPLUS VALUE. THE EXPANSION CREATES NEW SPATIAL QUALITIES. AN EXCITING THREE- DIMENSIONAL ATRIUM SPACE BETWEEN THE EXISTING AND THE NEW STRUCTURE COMES INTO BEING. SPATIAL QUALITY MADE FOR PEOPLE. SHAPE THE SHAPE OR RESPECTIVELY THE SHAPING OF THE NEW STRUCTURE RESULTS FROM FUNCTIONAL DEMANDS, LIKE WIND ENERGY PRODUCTION, INCIDENCE OF LIGHT (FURROW) AND ALSO THE FINAL HEIGHT OF THE NEWLY ESTABLISHED BUILDING PART RESULTS FROM THE HELIOSTAT SYSTEM FOR DAYLIGHT U T I L I ZAT I O N. CONCLUSION THE EXPANSION IS THE KEY ELEMENT OF THIS PROPOSAL TO CREATE A SUSTAINABLE AND ENVIRONMENTAL FRIENDLY BUILDING. THE CO2 EMISSON, WHICH RESULTS FROM THE EXPANSION MUST BE SEEN IN RELATION TO A COMPLETELY NEW ERECTED BUILDING. ENVIRONMENTAL STRATEGY / BASIC CONCEPT

6 E.G. LEVEL 24 (MIN) 302 M² A E.G. LEVEL 09 / 10 (MAX) A 71 M² (L09) 353 M² 207 M² (L10) 1157 M² B B SCHEMES AREAS OFFICE FLOORS 1/1000 A CIRCULATION AREAS 207 M² (NET) B VERTICAL ACCESS / TECHNICAL PREMISES 340 M² (incl. construction areas) A ADDITIONAL USEABLE AREA OFFICE FLOORS ~ MIN 300 M² - MAX 560 M² (NET) E.G. LEVEL 09: 424 M² (NET) LEVEL 10: 560 M² (NET) SCHEMES USEABLE AREAS PUBLIC / MALL / FURTHER OFFICE SPACES 1/1000 B USEABLE AREA EXISTING BUILDING 1157 M² (NET) LEVEL M² LEVEL M² LEVEL M² LEVEL M² LEVEL M² LEVEL M² LEVEL M² LEVEL M² DENSIFICATION / AREA EFFICIENCY ENVIRONMENTAL PRINCIPLES OF THE CONCEPT

7 SCHEME DAYLIGHT UTILIZATION WITH A HELIOSTAT SYSTEM SECTION EAST-WEST - ATRIUM /1000 SECTION NORTH-SOUTH ATRIUM 2 VENTILATION - HEATING/COOLING - DAYLIGHT UTILIZATION - INDOOR CLIMATE / INDOOR PLANTS ENVIRONMENTAL PRINCIPLES OF THE CONCEPT

8 SCHEME WIND ENERGY UTILIZATION ENERGY PRODUCTION BY WIND TURBINES WHICH BENEFIT FROM THE VENTURI-EFFECT OF THE SHAPED FORM / CANAL SECTION EAST-WEST - ATRIUM /1000 SECTION NORTH-SOUTH ATRIUM 2 WIND UTILIZATION FOR ENERGY PRODUCTION ENVIRONMENTAL PRINCIPLES OF THE CONCEPT

9 ELEVATION NORTH FACADE / OUTER RENEWAL DRAWINGS

10 ELEVATION SOUTH FACADE / OUTER RENEWAL DRAWINGS

11 SECTION FACADE 1/50 ELEVATION FACADE 1/50 DETAILS OF OUTER SHELL RENEWAL

12 SCHEME CURRENT SITUATION ACCESS / CIRCULATION / SERVICE AREAS SCHEME LIGHT SCHEME VIEWS SCHEME AREA EFFICIENCY ACCESS / CIRCULATION / SERVICE AREAS OFFICE FLOOR PLANS AFTER RENEWAL - SCHEMES

13 SCHEME NEW BASIC CONCEPT OF SPATIAL ORIENTATION 1/1000 LEVEL 10 EXAMPLE MIXED PRINCIPLES LEVEL10 EXAMPLE CELL OFFICE PRINCIPLE OFFICE FLOOR PLANS AFTER RENEWAL

14 SCHEME NEW BASIC CONCEPT OF SPATIAL ORIENTATION 1/1000 LEVEL 09 EXAMPLE LANDSCAPE OFFICE - OPEN SPACE OFFICE LEVEL 09 EXAMPLE CELL OFFICE PRINCIPLE OFFICE FLOOR PLANS AFTER RENEWAL

15 SCHEMATIC SECTION 1/1000 LEVEL 08 LEVEL 07 ROOF GARDEN FLOOR PLANS OF PUBLIC AREAS / OFFICE SPACES / MALL AND GROUND FLOOR LEVELS

16 SCHEMATIC SECTION 1/1000 LEVEL 06 LEVEL 05 FLOOR PLANS OF PUBLIC AREAS / OFFICE SPACES / MALL AND GROUND FLOOR LEVELS

17 SCHEMATIC SECTION 1/1000 LEVEL 04 LEVEL 03 FLOOR PLANS OF PUBLIC AREAS / OFFICE SPACES / MALL AND GROUND FLOOR LEVELS

18 SCHEMATIC SECTION 1/1000 LEVEL 02 CENTRAL STATION LEVEL 01 BG STREET FLOOR PLANS OF PUBLIC AREAS / OFFICE SPACES / MALL AND GROUND FLOOR LEVELS

19 SCHEMATIC SECTION 1/1000 LEVEL U1 UNDERPASS LEVEL U2 FLOOR PLANS OF PUBLIC AREAS / OFFICE SPACES / MALL AND GROUND FLOOR LEVELS

20 1. SUMMARY STEEL GLASS AIR MAIN MATERIALS OF THIS PROPOSAL. BUILDING ELEMENTS EASY TO ASSEMBLE AND TO DISASSEMBLE NEW CONSTRUCTION - STEEL SELF-SUFFICIENT CONSTRUCTION AIR IS AN IMPORTANT MATERIAL Environmental strategies ICON RELOADED POSITIVE IMPACT OF THE ATRIUM REUSE / REBUILT OF THE EXISTING INSULATION GLASS ALUMINIUM-PANELS LED BACK INTO THE LOOP SUN SHADING INTEGRATED WITHIN THE TWO GLAS-LAYERS WIND ENERGY UTILIZATION VENTURI-EFFECT PHOTOVOLTAIC MODULES INTEGRATED IN THE FACADE ENERGIE PILES NATURAL VENTILATION AND ENERGY RECOVERY VIA THE ATRIUM DAYLIGHT UTILIZATION HELIOSTAT-SYSTEM LIGHT GUIDING SYSTEM MORE DAYLIGHT AND VIEW BICYCLE PARKING - AUTOMATICALLY VALET PARKING GREEN STRATEGY - INDOOR PLANTS

21 2. CRADLE TO CRADLE STRATEGY 3. BUILDING ELEMENTS/MATERIALS C2C PRINCIPLE WASTE = FOOD THIS PROPOSAL USE DIFFERENT STRATEGIES CONCERNING THIS PRINCIPLE. REUSE THE NORTH FACADE BECOMES AN ATRIUM FACADE > REDUCE OF WASTE BY REUSING THE INSULATION GLASS OF THE NORTH FACADE, WHICH WILL BE ATTACHED AT THE SOUTH FACADE AND ADDITIONAL UPGRADED TO REACH TODAY S REQUIREMENTS. RECYCLE THE ALUMINIUM-PANELS OF THE EXISTING FACADE WILL BE LED BACK INTO THE LOOP - IF CLEAN / ABLE TO DISASSEMBLE. CONCERNING THE REASONS FOR THE REMOVAL PLEASE SEE DAYLIGHT UTILIZATION. NEW CONCERNING THE USE OF NEW MATERIALS: NEW MATERIALS / BUILDING ELEMENTS ARE USED IN A PURE WAY, WHAT MEANS THAT THEY ARE NOT COMBINED TO INSEPARABLY COMPONENTS AND THEREFORE EASY TO ASSEMBLE AND TO DISASSEMBLE - STARTING WITH ERECTION, OVER LIFETIME (EASY TO CHANGE) AND FINALLY WHEN THEY WILL BE LED BACK INTO THE LOOP. C2C PRINCIPLE RENEWABLE ENERGY THIS PROPOSAL USE WIND, SUN AND ENERGY PILES CONCERNING THIS PRINCIPLE. WIND ENERGY UTILIZATION SEASONAL INDEPENDENTLY - ENERGY PRODUCTION OF NEARLY THE SAME EFFECTIVENESS OVER THE YEAR. (E.G. IN COMPARISON TO SOLAR-SYSTEMS). ENERGY PRODUCTION BY WIND TURBINES WHICH BENEFIT FROM THE VENTURI-EFFECT OF THE SHAPED FORM / CANAL. PHOTOVOLTAIC MODULES INTEGRATED IN THE SOUTH AND WEST FACADE. THE THIN-FILM PHOTOVOLTAIC MODULES ARE ATTACHED ON VENTILATION OPENINGS, WHICH ENHANCES THE EFFECTIVENESS BECAUSE OF THE BETTER TRANSMISSION ANGLE. ENERGIE PILES IN THE AREA OF THE NEW FUNDAMENTS STEEL GLASS AIR ARE THE THREE MAIN MATERIALS OF THIS PROPOSAL. THESE MATERIALS / BUILDING ELEMENTS ARE USED IN A PURE WAY, WHAT MEANS THAT THEY ARE NOT COMBINED TO INSEPARABLY COMPONENTS AND THEREFORE EASY TO ASSEMBLE AND TO DISASSEMBLE - STARTING WITH ERECTION, OVER LIFETIME (EASY TO CHANGE) AND FINALLY WHEN THEY WILL BE LED BACK INTO THE LOOP. THE BUILDING ELEMENT NEW STRUCTURE OF EXPANSION: STEEL - AS A RECYCLEABLE MATERIAL - IS USED FOR THE CONSTRUCTION OF THE NEW BUILDING, WHICH IS DESIGNED AS A STEEL FRAME STRUCTURE. THE ALUMINIUM-PANELS OF THE EXISTING FACADE WILL BE LED BACK INTO THE LOOP - IF CLEAN / ABLE TO DISASSEMBLE. CONCERNING THE REASONS FOR THE REMOVAL PLEASE SEE DAYLIGHT UTILIZATION. BUILDING ELEMENT FACADE GLASS THE MAIN FACADE MATERIAL IS GLASS - ASSEMBLED TO A MULTIPLE PURPOSE COMPONENT. DAYLIGHT IS AN IMPORTANT QUALITY AND REDUCE THE NEED OF ELECTRIC LIGHTING. REUSE OF THE EXISTING INSULATION GLASS OF THE NORTH-FACADE - INSTALLED AS ROOM-SIDED GLASS-LAYER IN THE SOUTH FACADE (SEE DRAWING SECTION FACADE ). THE SMALLER DIMENSIONED NEW HORIZONTAL FACADE PROFILES COMPENSATE THE SLIGHTLY DIFFERENCE BETWEEN THE FORMER ALUMINIUM PANEL AND THE GLASS SIZE. THE REUSE OF THE INSULATION GLASS MEANS ALSO A REDUCED USE OF NEW MATERIALS. BUILDING ELEMENT ATRIUM / FACADE AIR IS AN IMPORTANT MATERIAL OF THIS PROPOSAL. THE ATRIUM HAS A POSITIVE IMPACT TO THE CLIMATE CONDITIONS OF THE BUILDING. AIR IS ALSO USED FOR THE FACADE. THE AIR LAYER BETWEEN THE TWO GLASS LAYERS DEFUSE THE NEGATIVE IMPACT OF THE OUTDOOR CLIMATE CONDITIONS. IN WINTER THE AIR LAYER ACT AS INSULATION, IN SUMMER TO TAKE AWAY THE HEATED AIR. C2C PRINCIPLE CELEBRATE DIVERSITY THE SPECIFIC TASK, EXISTING BUILDING AND LOCATION DEMAND SPECIFIC SOLUTIONS, WHICH ARE NEVERTHELESS ADAPTABLE AND TRANSFERABLE.

22 4. BUILDING CONSTRUCTION 5. ENERGY SUPPLY BESIDE THE EXISTING BG14-BUILDING A SO CALLED CONSTRUCTIVE SHELF IS ERECTED, WHICH IS A COMPLETELY SELF-SUFFICIENT CONSTRUCTION, IMPLEMENTED A STEEL FRAME STRUCTURE. FACADE RENOVATION REUSE OF THE EXISTING INSULATION GLASS OF THE NORTH-FACADE - INSTALLED AS ROOM-SIDED GLASS-LAYER IN THE SOUTH FACADE (SEE DRAWING SECTION FACADE ). THE SMALLER DIMENSIONED NEW HORIZONTAL FACADE PROFILES COMPENSATE THE SLIGHTLY DIFFERENCE BETWEEN THE FORMER ALUMINIUM PANEL AND THE GLASS SIZE. A SECOND GLASS-LAYER AND AN AIR LAYER WILL BE ADDED. THE AIR LAYER BETWEEN THE TWO GLASS LAYERS DEFUSE THE NEGATIVE IMPACT OF THE OUTDOOR CLIMATE CONDITIONS. IN WINTER THE AIR LAYER ACT AS A KIND OF INSULATION, IN SUMMER TO TAKE AWAY THE HEATED AIR. IN THE SPACE BETWEEN THE TWO GLASS LAYERS, A SUN SHADING AND LIGHT GUIDING SYSTEM IS INTEGRATED. THE ALUMINIUM-PANELS OF THE EXISTING FACADE WILL BE LED BACK INTO THE LOOP - IF CLEAN / ABLE TO DISASSEMBLE. THE REUSE / REBUILT OF THE EXISTING INSULATION GLASS OF THE NORTH-FACADE INTO THE SOUTH-FACADE REDUCE THE AMOUNT OF TRANSPORTATION FROM AND TO THE BUILDING SITE AND REDUCE THE USE OF NEW MATERIALS. THE NEW FACADE HAS A TOTAL WEIGHT OF 84,5 KG/M² REMAINING FACADE ELEMENTS: 49,2 KG/M² ADDITIONAL FACADE ELEMENTS: 35,3 KG/M² WIND ENERGY UTILIZATION SEASONAL INDEPENDENTLY - ENERGY PRODUCTION OF NEARLY THE SAME EFFECTIVENESS OVER THE YEAR. (E.G. IN COMPARISON TO SOLAR-SYSTEMS). ENERGY PRODUCTION BY WIND TURBINES WHICH BENEFIT FROM THE VENTURI-EFFECT OF THE SHAPED FORM / CANAL. VENTURI EFFECT: PROFILE OF INLET OPENING / PROFILE OF SMALLEST OPENING = 1:8 A1 x v1=a2 x v2 > LINEAR SPEEDUP > FACTOR 8 > PROPORTIONALLY INCREASE OF ENERGY PRODUCTON WITH HIGHER WIND SPEED 5/m/s 2000 kwh/a 7,5/m/s 5200 kwh/a 10/m/s kwh/a 15/m/s kwh/a 20/m/s kwh/a PHOTOVOLTAIC MODULES INTEGRATED IN THE SOUTH AND WEST FACADE. THE THIN-FILM PHOTOVOLTAIC MODULES ARE ATTACHED ON VENTILATION OPENINGS, WHICH ENHANCES THE EFFECTIVENESS BECAUSE OF THE BETTER TRANSMISSION ANGLE. ENERGIE PILES IN THE AREA OF THE NEW FUNDAMENTS DAYLIGHT UTILIZATION (SEE CHAPTER 6) REDUCES THE DEMAND OF ELECTRIC LIGHTING WINDOWS / SOLAR SHADING THE AIR-LAYER LEADS TO A DECISIVE IMPROVEMENT CONCERNING THE U-VALUE. THE IMPACT AS A BUFFER IS PARTICULARLY EFFECTFUL CONCERNING SUMMER OVERHAETING. IM WINTER THE AIR-LAYER ACTS AS INSULATION. SUN SHADING IS COMBINED WITH THE LIGHT GUIDING SYSTEM AND IS INTEGRATED WITHIN THE TWO GLAS-LAYERS AND THEREFORE PROTECTED AGAINST WIND AND POLLUTION. THE LIGHT GUIDING SYSTEM WORKS CENTRALIZED, THE SOLAR SHADING DECENTRALIZED, HANDLED BY THE EMPLOYEES.

23 6. TECHNICAL SOLUTIONS 7. INNOVATION PARTNERSHIPS VENTILATION THE ATRIUM IS THE MAIN NEW ACTION CONCERNING VENTILATION. NATURAL VENTILATION AND ENERGY RECOVERY CAN BE PROVIDED VIA THE ATRIUM. DAYLIGHT UTILIZATION IS AN SPECIAL ASPECT OF THIS PROPOSAL. HELIOSTAT-SYSTEM THE HELIOSTAT-SYSTEM AT THE TOP OF THE NEW BUILDING IS ABLE TO BRING DAYLIGHT/BRIGHTNESS INTO THE ATRIUM AND FURTHER INTO THE ADJACENT OFFICE SPACE. THE HELIOSTATS ARE SLIGHTLY CONVEX TO ACHIEVE A GOOD LIGHT SCATTERING AND NO GLARE. THERE IS ALSO THE POSSIBILITY TO CREATE A SIMILAR TO DAYLIGHT SITUATION ALSO IN THE WINTER (VIA SPOTLIGHTS). LIGHT GUIDING SYSTEM INTEGRATED WITHIN THE FACADE SOUTH AND WEST. LIGHT GUIDING SYSTEM THROUGH THE FACADE TO LEAD DIFFUSED LIGHT INTO THE MIDDLE ZONE OF THE BUILDING. GLASS FACADE THE REMOVAL OF THE ALUMINIUM-PANELS OF THE EXISTING FACADE PROVIDE MORE DAYLIGHT AND THE POSSIBILITY OF A VIEW, EVEN WHEN IT S SUNNY. THE LOWER PART OF A ROOM IS A LOT LESS ATTACKED BY SUN AND GLARE. THE RELATION / VIEW TO THE OUTSIDE IS A QUITE IMPORTANT ASPECT CONCERNING PEOPLES QUALITY OF LIFE. PARTNERSHIPS ARE ESSENTIAL FOR THE QUALITY OF THE FINAL RESULT - PARTICULARLY IN THE QUITE COMPLEX BUILDING SECTOR. MORE ON THIS TOPIC LATER. 8. OTHER ENVIRONMENTAL STRATEGIES AREA EFFICIENCY THE TOPIC AREA EFFICIENCY IS DIRECTLY RELATED TO THE EXPANSION CONCEPT AND IS SHOWN IN SOME SCHEMES. TRANSPORT BECAUSE OF THE LOCATION IN THE CITY CENTER AND THE DIRECT CONNECTION TO CENTRAL STATION THIS BUILDING SITE OFFERS BEST ACCESS TO PUBLIC TRANSPORT AS WELL AS INDIVIDUALLY ENVIRONMENTAL FRIENDLY ACCESSIBILITY BY BICYCLE AND BY FOOT IN TERMS OF DISTANCES. CONCERNING BICYCLE PARKING THE ACCESSIBILITY AND QUALITY IS IMPORTANT FOR USE. THEREFORE THIS PROPOSAL SUGGEST AN AUTOMATICALLY VALET PARKING SYSTEM AS A SPECIAL OFFER FOR TENANTS AND EMPLOYEES. GREEN STRATEGY THE INDOOR CLIMATE WILL BE POSITIVELY INFLUENCED BY INDOOR PLANTS WITHIN THE ATRIUM AS WELL AS WITHIN THE ENTIRE BUILDING.

24 Instructions: Please fill in data in framed cells. Feel free to leave some cells empty. The description fields can be used to provide extra information when necessary. The work sheet "Example" provides an example on how data can be filled in. Motto of the team ICON RELOADED Heated area (GIA) Total m 2 The heated area is defined as the Gross Internal Area (GIA) (BRA in Norwegian) supplied by heat from the building's heating system and enclosed by the building's climate screen. GIA: The floor area contained within the building measured to the internal face of the external walls. Motto of the team ICON RELOADED Heated volume Total m 3 Should be provided as net volume. Calculated as GIA * room height (top of the floor to the bottom part of the overlying floor construction). Volume occupied by interior floors should not be included. Façades Provide information about one or more types of façades in the below table. If only one kind of façade is used in the building, fill inn only façade type 1 in the form. Because the form is only used for calculation of heat loss numbers, compass directions (North, East ie.) is not relevant. Provide internal areas. In the window's area, please include the size of the glass and framing. If the windows' U-values differentiate, please provide the average value. Area façade Hereby windows U-value façade U-value windows Description (if necessary) m 2 0,85 W/m 2 K retrofitting existing facade - mainly south / west m 2 0,35 W/m 2 K new facadesystem mainly north (Qbiss-Air) m 2 0,15 W/m 2 K retrofitting existing facade by elevators east m 2 0,35 W/m 2 K new facadesystem to atrium U-value corrected to 1W/m²K (facade to unheated spaces) m 2 0,15 W/m 2 K exterior walls against earth - basement m 2 m 2 m 2 m 2 m 2 W/m 2 K W/m 2 K W/m 2 K W/m 2 K W/m 2 K Roof Total area windows Total area façades Window area/façade area Window area/heated area (GIA) Average U-value facade Average U-value windows % 54% 0,01 0,52 Hereby roof U-value roof Total area roof window U-value roof window m 2 0, m 2 0, m 2 0,20 Roof windows (see below) are included in the value Roof windows (see below) are included in the value Description (if necessary) existing roof new glassroofsystem new last floor to unheated skygarden U-value corrected to 1W/m²K (floor to unheated spaces) Area [m 2 ] U-value [W/m 2 K] Heat loss [W/K] Walls ,15 429,0 Windows , ,8 Roof ,09 182,3 Floor ,11 361,1 Thermal bridges , ,5 Air volume [m 3 /h] Heat recovery Heat loss [W/K] Infiltration % 3003 Ventilation % 8030 Total heat loss number [W/K] Total heat loss number excl. ventilation [W/K] 0,52 0,38 Floor U-value of the floor (not including heat Area resistance in the ground) Description (if necessary) Towards ground 2860 m 2 0,11 W/m 2 K Towards air 310 m 2 0,15 W/m 2 K view of underside arcade Ventilation Heat recovery 85 % Average yearly heat recovery factor for all ventilation systems in the building Average air volume flow 2,78 m 3 /m 2 h 2,78 m 3 /m 2 h is the minimum allowed air volume (average over the year) in passive house energy calculations (NS 3701). The value is fixed for all teams. Other Normalized thermal bridge value 0,03 W/m 2 K The normalized thermal bridge value is the sum of all heat losses from themal bridges, divided on the heated area (BRA). Passive house requirement for this value is 0.03 W/m 2 K, and it is predefined that this requirement is met by all teams. Note that this means focus on thermal bridges. The value cannot be changed by the team in this phase of the competition. Infiltration (n50) 0,6 h -1 The infiltration number is the number of air changes if the air pressure inside is 50 Pa higher than outside. The Norwegian passive house requirement is 0.6 air changes per hour, and it is predefined that this value is met by all teams. The value cannot be changed by the team in this phase of the competition.

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