1. APPENDIX A3
PRESENTATION ON ENERGY PERFORMANCE
OF THE OKHTA CENTER DOUBLE SKIN
FACADE

2. Presentation on Energy Performance and Requirements
Okhta Centre,Okhta Centre, St. PetersburgSt. Petersburg
Tower FacadeTower Facade-- October 2010October 2010

3. Presentation on Energy Performance and Requirements
PART IPART IPART IPART I
THE FOLLOWING ANALYSIS WERE DONE TOTHE FOLLOWING ANALYSIS WERE DONE TOTHE FOLLOWING ANALYSIS WERE DONE TOTHE FOLLOWING ANALYSIS WERE DONE TO
VERIFY THE FAÇADE ENERGY PERFORMANCEVERIFY THE FAÇADE ENERGY PERFORMANCEVERIFY THE FAÇADE ENERGY PERFORMANCEVERIFY THE FAÇADE ENERGY PERFORMANCE
BASED ON CURRENT PROEKT (PROJECTBASED ON CURRENT PROEKT (PROJECTBASED ON CURRENT PROEKT (PROJECTBASED ON CURRENT PROEKT (PROJECTBASED ON CURRENT PROEKT (PROJECTBASED ON CURRENT PROEKT (PROJECTBASED ON CURRENT PROEKT (PROJECTBASED ON CURRENT PROEKT (PROJECT
STAGE CONCEPT) DESIGN DOCUMENTS.STAGE CONCEPT) DESIGN DOCUMENTS.STAGE CONCEPT) DESIGN DOCUMENTS.STAGE CONCEPT) DESIGN DOCUMENTS.
TO PROVIDE ADDITIONAL INFORMATIONTO PROVIDE ADDITIONAL INFORMATIONTO PROVIDE ADDITIONAL INFORMATIONTO PROVIDE ADDITIONAL INFORMATION
AND ANSWERS TO SOME QUESTIONS WHICHAND ANSWERS TO SOME QUESTIONS WHICHAND ANSWERS TO SOME QUESTIONS WHICHAND ANSWERS TO SOME QUESTIONS WHICH
WERE NOT PREVIOUSLY CLEAR ORWERE NOT PREVIOUSLY CLEAR ORWERE NOT PREVIOUSLY CLEAR ORWERE NOT PREVIOUSLY CLEAR OR
ANSWERED DURING THE DESIGN REVIEW.ANSWERED DURING THE DESIGN REVIEW.ANSWERED DURING THE DESIGN REVIEW.ANSWERED DURING THE DESIGN REVIEW.

4. Presentation on Energy Performance and Requirements
ANALYSIS FOLLOWS WHAT WASANALYSIS FOLLOWS WHAT WASANALYSIS FOLLOWS WHAT WASANALYSIS FOLLOWS WHAT WAS
PREVIOUSLY ESTABLISHED AND YETPREVIOUSLY ESTABLISHED AND YETPREVIOUSLY ESTABLISHED AND YETPREVIOUSLY ESTABLISHED AND YET
WILL PROVIDE INFORMATION THATWILL PROVIDE INFORMATION THATWILL PROVIDE INFORMATION THATWILL PROVIDE INFORMATION THAT
WILL BE A GUIDE TO THE NEXT STAGEWILL BE A GUIDE TO THE NEXT STAGEWILL BE A GUIDE TO THE NEXT STAGEWILL BE A GUIDE TO THE NEXT STAGEWILL BE A GUIDE TO THE NEXT STAGEWILL BE A GUIDE TO THE NEXT STAGEWILL BE A GUIDE TO THE NEXT STAGEWILL BE A GUIDE TO THE NEXT STAGE
OF THE DESIGN WORKS.OF THE DESIGN WORKS.OF THE DESIGN WORKS.OF THE DESIGN WORKS.

5. Presentation on Energy Performance and Requirements
WHAT HAS BEEN CONSIDERED IN THISWHAT HAS BEEN CONSIDERED IN THISWHAT HAS BEEN CONSIDERED IN THISWHAT HAS BEEN CONSIDERED IN THIS
CURRENT CLIMATE ANALYSIS?CURRENT CLIMATE ANALYSIS?CURRENT CLIMATE ANALYSIS?CURRENT CLIMATE ANALYSIS?

6. Presentation on Energy Performance and Requirements
25 YEAR AVERAGE DAILY WIND SPEED25 YEAR AVERAGE DAILY WIND SPEED25 YEAR AVERAGE DAILY WIND SPEED25 YEAR AVERAGE DAILY WIND SPEED

7. Presentation on Energy Performance and Requirements
SUN EXPOSURE AND SHADESUN EXPOSURE AND SHADESUN EXPOSURE AND SHADESUN EXPOSURE AND SHADE

8. Presentation on Energy Performance and Requirements
25 YEAR AVERAGE TEMPERATURE, SOLAR HEAT25 YEAR AVERAGE TEMPERATURE, SOLAR HEAT25 YEAR AVERAGE TEMPERATURE, SOLAR HEAT25 YEAR AVERAGE TEMPERATURE, SOLAR HEAT
GAIN AND CLOUD COVERGAIN AND CLOUD COVERGAIN AND CLOUD COVERGAIN AND CLOUD COVER

9. Presentation on Energy Performance and Requirements
SUMMARIZING TH E ABOVE, SOME OF THESUMMARIZING TH E ABOVE, SOME OF THESUMMARIZING TH E ABOVE, SOME OF THESUMMARIZING TH E ABOVE, SOME OF THE
RESULTS OF THE ANALYSIS SPREADSHEETS WERERESULTS OF THE ANALYSIS SPREADSHEETS WERERESULTS OF THE ANALYSIS SPREADSHEETS WERERESULTS OF THE ANALYSIS SPREADSHEETS WERE
PROVIDED BELOWPROVIDED BELOWPROVIDED BELOWPROVIDED BELOW

10. Presentation on Energy Performance and Requirements

11. Presentation on Energy Performance and Requirements

12. Presentation on Energy Performance and Requirements

13. Presentation on Energy Performance and Requirements
SUMMARY OF HEATING REQUIREMENTS IN THESUMMARY OF HEATING REQUIREMENTS IN THESUMMARY OF HEATING REQUIREMENTS IN THESUMMARY OF HEATING REQUIREMENTS IN THE
BUFFER ZONES FROM L6 TO L72BUFFER ZONES FROM L6 TO L72BUFFER ZONES FROM L6 TO L72BUFFER ZONES FROM L6 TO L72

14. Presentation on Energy Performance and Requirements
SUMMARY OF HEATING REQUIREMENTS IN THESUMMARY OF HEATING REQUIREMENTS IN THESUMMARY OF HEATING REQUIREMENTS IN THESUMMARY OF HEATING REQUIREMENTS IN THE
BUFFER ZONES FROM L6 TO L72BUFFER ZONES FROM L6 TO L72BUFFER ZONES FROM L6 TO L72BUFFER ZONES FROM L6 TO L72

15. Presentation on Energy Performance and Requirements
SUMMARY OF COOLING REQUIREMENTS IN THESUMMARY OF COOLING REQUIREMENTS IN THESUMMARY OF COOLING REQUIREMENTS IN THESUMMARY OF COOLING REQUIREMENTS IN THE
OFFICES FROM L6 TO L72OFFICES FROM L6 TO L72OFFICES FROM L6 TO L72OFFICES FROM L6 TO L72

16. Presentation on Energy Performance and Requirements
TOTAL HEATING/COOLING REQUIREMENTS INTOTAL HEATING/COOLING REQUIREMENTS INTOTAL HEATING/COOLING REQUIREMENTS INTOTAL HEATING/COOLING REQUIREMENTS IN
THE OFFICES FROM L6 TO L72THE OFFICES FROM L6 TO L72THE OFFICES FROM L6 TO L72THE OFFICES FROM L6 TO L72

17. Presentation on Energy Performance and Requirements
SUMMARY OF HEATING/COOLING IN THESUMMARY OF HEATING/COOLING IN THESUMMARY OF HEATING/COOLING IN THESUMMARY OF HEATING/COOLING IN THE
ATRIUMS, L1 TO L5 AND L72 TO TOP OF TOWERATRIUMS, L1 TO L5 AND L72 TO TOP OF TOWERATRIUMS, L1 TO L5 AND L72 TO TOP OF TOWERATRIUMS, L1 TO L5 AND L72 TO TOP OF TOWER

18. Presentation on Energy Performance and Requirements
SUMMARY OF HEATING/COOLING IN THESUMMARY OF HEATING/COOLING IN THESUMMARY OF HEATING/COOLING IN THESUMMARY OF HEATING/COOLING IN THE
ATRIUMS, L1 TO L5 AND L72 TO TOP OF TOWERATRIUMS, L1 TO L5 AND L72 TO TOP OF TOWERATRIUMS, L1 TO L5 AND L72 TO TOP OF TOWERATRIUMS, L1 TO L5 AND L72 TO TOP OF TOWER

19. Presentation on Energy Performance and Requirements
TOTAL HEATING/COOLING REQUIREMENTS INTOTAL HEATING/COOLING REQUIREMENTS INTOTAL HEATING/COOLING REQUIREMENTS INTOTAL HEATING/COOLING REQUIREMENTS IN
THE ATRIUMS (INCLUDING BUFFER ZONES), L1THE ATRIUMS (INCLUDING BUFFER ZONES), L1THE ATRIUMS (INCLUDING BUFFER ZONES), L1THE ATRIUMS (INCLUDING BUFFER ZONES), L1
TO TOP OF THE TOWERTO TOP OF THE TOWERTO TOP OF THE TOWERTO TOP OF THE TOWER
CONVERSION TO STEAM UNITS 4.1868W PERCONVERSION TO STEAM UNITS 4.1868W PERCONVERSION TO STEAM UNITS 4.1868W PERCONVERSION TO STEAM UNITS 4.1868W PER
CALCALCALCALITITITIT/sec/sec/sec/sec

20. Presentation on Energy Performance and Requirements
OBSERVATIONS BASED ON THE CURRENTOBSERVATIONS BASED ON THE CURRENTOBSERVATIONS BASED ON THE CURRENTOBSERVATIONS BASED ON THE CURRENT
ANALYSIS:ANALYSIS:ANALYSIS:ANALYSIS:
CURRENT HEATING REQUIREMENTS FOR THECURRENT HEATING REQUIREMENTS FOR THECURRENT HEATING REQUIREMENTS FOR THECURRENT HEATING REQUIREMENTS FOR THE
WHOLE PROJECT WAS ESTIMATED ATWHOLE PROJECT WAS ESTIMATED ATWHOLE PROJECT WAS ESTIMATED ATWHOLE PROJECT WAS ESTIMATED AT 46.1846.1846.1846.18WHOLE PROJECT WAS ESTIMATED ATWHOLE PROJECT WAS ESTIMATED ATWHOLE PROJECT WAS ESTIMATED ATWHOLE PROJECT WAS ESTIMATED AT 46.1846.1846.1846.18
GCAL/hrGCAL/hrGCAL/hrGCAL/hr. (THE VALUE ABOVE WAS TAKEN FROM. (THE VALUE ABOVE WAS TAKEN FROM. (THE VALUE ABOVE WAS TAKEN FROM. (THE VALUE ABOVE WAS TAKEN FROM
OKHTA CENTER WEBSITE)OKHTA CENTER WEBSITE)OKHTA CENTER WEBSITE)OKHTA CENTER WEBSITE)
TO COMPARE WITH THE CURRENT ANALYSIS ATTO COMPARE WITH THE CURRENT ANALYSIS ATTO COMPARE WITH THE CURRENT ANALYSIS ATTO COMPARE WITH THE CURRENT ANALYSIS AT
32.122 MW/4.1868 W PER CAL/sec = 7.67232.122 MW/4.1868 W PER CAL/sec = 7.67232.122 MW/4.1868 W PER CAL/sec = 7.67232.122 MW/4.1868 W PER CAL/sec = 7.672
MCAL/sec or atMCAL/sec or atMCAL/sec or atMCAL/sec or at 27.62 GCAL/hr27.62 GCAL/hr27.62 GCAL/hr27.62 GCAL/hr IN ONE DAYIN ONE DAYIN ONE DAYIN ONE DAY

21. Presentation on Energy Performance and Requirements
THE DOUBLE SKIN FAÇADE PROVIDES ANTHE DOUBLE SKIN FAÇADE PROVIDES ANTHE DOUBLE SKIN FAÇADE PROVIDES ANTHE DOUBLE SKIN FAÇADE PROVIDES AN
OPTION FOR THE HEATING REQUIREMENTS TOOPTION FOR THE HEATING REQUIREMENTS TOOPTION FOR THE HEATING REQUIREMENTS TOOPTION FOR THE HEATING REQUIREMENTS TO
BE MANAGED IN ORDER TO OPTIMIZE THEBE MANAGED IN ORDER TO OPTIMIZE THEBE MANAGED IN ORDER TO OPTIMIZE THEBE MANAGED IN ORDER TO OPTIMIZE THE
ENERGY CONSUMPTION DURING COLD SEASON.ENERGY CONSUMPTION DURING COLD SEASON.ENERGY CONSUMPTION DURING COLD SEASON.ENERGY CONSUMPTION DURING COLD SEASON.ENERGY CONSUMPTION DURING COLD SEASON.ENERGY CONSUMPTION DURING COLD SEASON.ENERGY CONSUMPTION DURING COLD SEASON.ENERGY CONSUMPTION DURING COLD SEASON.
IF OPTIMIZED, THE TOWER WILL EXPERIENCE AIF OPTIMIZED, THE TOWER WILL EXPERIENCE AIF OPTIMIZED, THE TOWER WILL EXPERIENCE AIF OPTIMIZED, THE TOWER WILL EXPERIENCE A
MINIMUM OF 4 MONTHS OF COLD SEASONMINIMUM OF 4 MONTHS OF COLD SEASONMINIMUM OF 4 MONTHS OF COLD SEASONMINIMUM OF 4 MONTHS OF COLD SEASON
INSTEAD OF THE NORMAL 6 MOTNHS. LESSINSTEAD OF THE NORMAL 6 MOTNHS. LESSINSTEAD OF THE NORMAL 6 MOTNHS. LESSINSTEAD OF THE NORMAL 6 MOTNHS. LESS
MONTHS MEANS LESSER CONSUMPTION OFMONTHS MEANS LESSER CONSUMPTION OFMONTHS MEANS LESSER CONSUMPTION OFMONTHS MEANS LESSER CONSUMPTION OF
ENERGY FROM THE ONE PROVIDED IN THEENERGY FROM THE ONE PROVIDED IN THEENERGY FROM THE ONE PROVIDED IN THEENERGY FROM THE ONE PROVIDED IN THE
CURRENT ANALYSIS.CURRENT ANALYSIS.CURRENT ANALYSIS.CURRENT ANALYSIS.

22. Presentation on Energy Performance and Requirements
IF OPTIMIZED, THE TOWER WILL REQUIREIF OPTIMIZED, THE TOWER WILL REQUIREIF OPTIMIZED, THE TOWER WILL REQUIREIF OPTIMIZED, THE TOWER WILL REQUIRE
COOLING TO A MINIMUM OF 6 MONTHS PERCOOLING TO A MINIMUM OF 6 MONTHS PERCOOLING TO A MINIMUM OF 6 MONTHS PERCOOLING TO A MINIMUM OF 6 MONTHS PER
YEAR ON WHERE MINIMUM ENERGYYEAR ON WHERE MINIMUM ENERGYYEAR ON WHERE MINIMUM ENERGYYEAR ON WHERE MINIMUM ENERGY
CONSUMPTION WILL COME FROM THECONSUMPTION WILL COME FROM THECONSUMPTION WILL COME FROM THECONSUMPTION WILL COME FROM THE
CIRCULATION OF USED AND FRESH AIR IN THECIRCULATION OF USED AND FRESH AIR IN THECIRCULATION OF USED AND FRESH AIR IN THECIRCULATION OF USED AND FRESH AIR IN THECIRCULATION OF USED AND FRESH AIR IN THECIRCULATION OF USED AND FRESH AIR IN THECIRCULATION OF USED AND FRESH AIR IN THECIRCULATION OF USED AND FRESH AIR IN THE
OFFICES.OFFICES.OFFICES.OFFICES.
TO OPTIMIZE, THE NEED TO TRANSFER HEATTO OPTIMIZE, THE NEED TO TRANSFER HEATTO OPTIMIZE, THE NEED TO TRANSFER HEATTO OPTIMIZE, THE NEED TO TRANSFER HEAT
FROM SUN EXPOSURE (SOLAR GAIN) FROM THEFROM SUN EXPOSURE (SOLAR GAIN) FROM THEFROM SUN EXPOSURE (SOLAR GAIN) FROM THEFROM SUN EXPOSURE (SOLAR GAIN) FROM THE
SOUTHERN TO THE NORTHERN SIDES TOSOUTHERN TO THE NORTHERN SIDES TOSOUTHERN TO THE NORTHERN SIDES TOSOUTHERN TO THE NORTHERN SIDES TO
EQUALIZE THE TEMPERATURE IN THE BUFFEREQUALIZE THE TEMPERATURE IN THE BUFFEREQUALIZE THE TEMPERATURE IN THE BUFFEREQUALIZE THE TEMPERATURE IN THE BUFFER
ZONE DURING COLD MONTHS.ZONE DURING COLD MONTHS.ZONE DURING COLD MONTHS.ZONE DURING COLD MONTHS.

23. Presentation on Energy Performance and Requirements
BLINDS WILL BE REQUIRED TO CONTROLBLINDS WILL BE REQUIRED TO CONTROLBLINDS WILL BE REQUIRED TO CONTROLBLINDS WILL BE REQUIRED TO CONTROL
GLARE DUE TO LOW SUN ANGLE FROM THEGLARE DUE TO LOW SUN ANGLE FROM THEGLARE DUE TO LOW SUN ANGLE FROM THEGLARE DUE TO LOW SUN ANGLE FROM THE
HORIZON DURING COLD MONTHS.HORIZON DURING COLD MONTHS.HORIZON DURING COLD MONTHS.HORIZON DURING COLD MONTHS.
FURTHER ANALYSIS IS REQUIRED TO COOLFURTHER ANALYSIS IS REQUIRED TO COOLFURTHER ANALYSIS IS REQUIRED TO COOLFURTHER ANALYSIS IS REQUIRED TO COOLFURTHER ANALYSIS IS REQUIRED TO COOLFURTHER ANALYSIS IS REQUIRED TO COOLFURTHER ANALYSIS IS REQUIRED TO COOLFURTHER ANALYSIS IS REQUIRED TO COOL
DOWN THE BUFFER ZONES AT THE SEALEDDOWN THE BUFFER ZONES AT THE SEALEDDOWN THE BUFFER ZONES AT THE SEALEDDOWN THE BUFFER ZONES AT THE SEALED
BUFFER (BLAST) ZONE LEVELS OF THE TOWERBUFFER (BLAST) ZONE LEVELS OF THE TOWERBUFFER (BLAST) ZONE LEVELS OF THE TOWERBUFFER (BLAST) ZONE LEVELS OF THE TOWER
FAÇADE SINCE DURING WARM SEASON THEFAÇADE SINCE DURING WARM SEASON THEFAÇADE SINCE DURING WARM SEASON THEFAÇADE SINCE DURING WARM SEASON THE
ACCUMULATED TEMPERATURE IN THE BUFFERACCUMULATED TEMPERATURE IN THE BUFFERACCUMULATED TEMPERATURE IN THE BUFFERACCUMULATED TEMPERATURE IN THE BUFFER
ZONES WILL BE HIGH.ZONES WILL BE HIGH.ZONES WILL BE HIGH.ZONES WILL BE HIGH.

24. Presentation on Energy Performance and Requirements
THE AMOUNT OF AIR EXCHANGE AT SEALEDTHE AMOUNT OF AIR EXCHANGE AT SEALEDTHE AMOUNT OF AIR EXCHANGE AT SEALEDTHE AMOUNT OF AIR EXCHANGE AT SEALED
BUFFER ZONE LEVELS WILL DETERMINE THEBUFFER ZONE LEVELS WILL DETERMINE THEBUFFER ZONE LEVELS WILL DETERMINE THEBUFFER ZONE LEVELS WILL DETERMINE THE
SIZE/CAPACITY OF THE AIR HANDLING UNITS.SIZE/CAPACITY OF THE AIR HANDLING UNITS.SIZE/CAPACITY OF THE AIR HANDLING UNITS.SIZE/CAPACITY OF THE AIR HANDLING UNITS.SIZE/CAPACITY OF THE AIR HANDLING UNITS.SIZE/CAPACITY OF THE AIR HANDLING UNITS.SIZE/CAPACITY OF THE AIR HANDLING UNITS.SIZE/CAPACITY OF THE AIR HANDLING UNITS.
AT THE ATRIUM ZONES, THE ANALYSISAT THE ATRIUM ZONES, THE ANALYSISAT THE ATRIUM ZONES, THE ANALYSISAT THE ATRIUM ZONES, THE ANALYSIS
FOLLOWS REQUIREMENTS THAT THEFOLLOWS REQUIREMENTS THAT THEFOLLOWS REQUIREMENTS THAT THEFOLLOWS REQUIREMENTS THAT THE
TEMPERATURE IS MAINTAINED AT 18ºCTEMPERATURE IS MAINTAINED AT 18ºCTEMPERATURE IS MAINTAINED AT 18ºCTEMPERATURE IS MAINTAINED AT 18ºC
MINIMUM.MINIMUM.MINIMUM.MINIMUM.

25. Presentation on Energy Performance and Requirements
RECOMMENDATIONS:RECOMMENDATIONS:RECOMMENDATIONS:RECOMMENDATIONS:
THE ANALYSIS CONSIDERED HEATING THETHE ANALYSIS CONSIDERED HEATING THETHE ANALYSIS CONSIDERED HEATING THETHE ANALYSIS CONSIDERED HEATING THE
BUFFER ZONES ONLY TO AVOIDBUFFER ZONES ONLY TO AVOIDBUFFER ZONES ONLY TO AVOIDBUFFER ZONES ONLY TO AVOID
CONDENSATION AT THE INSIDE SURFACE OFCONDENSATION AT THE INSIDE SURFACE OFCONDENSATION AT THE INSIDE SURFACE OFCONDENSATION AT THE INSIDE SURFACE OFCONDENSATION AT THE INSIDE SURFACE OFCONDENSATION AT THE INSIDE SURFACE OFCONDENSATION AT THE INSIDE SURFACE OFCONDENSATION AT THE INSIDE SURFACE OF
THE EXTERNAL SKIN.THE EXTERNAL SKIN.THE EXTERNAL SKIN.THE EXTERNAL SKIN.
HEATING THE BUFFER ZONES AT A MAINTAINEDHEATING THE BUFFER ZONES AT A MAINTAINEDHEATING THE BUFFER ZONES AT A MAINTAINEDHEATING THE BUFFER ZONES AT A MAINTAINED
TEMPERATURES AS REQUIRED IN GOSTs ANDTEMPERATURES AS REQUIRED IN GOSTs ANDTEMPERATURES AS REQUIRED IN GOSTs ANDTEMPERATURES AS REQUIRED IN GOSTs AND
SNiPs WILL RESULT TO COOLING CONSUMPTIONSNiPs WILL RESULT TO COOLING CONSUMPTIONSNiPs WILL RESULT TO COOLING CONSUMPTIONSNiPs WILL RESULT TO COOLING CONSUMPTION
IN THE OFFICES DURING COLD SEASON.IN THE OFFICES DURING COLD SEASON.IN THE OFFICES DURING COLD SEASON.IN THE OFFICES DURING COLD SEASON.

26. Presentation on Energy Performance and Requirements
COMPARISON OF PERFORMANCE OF USINGCOMPARISON OF PERFORMANCE OF USINGCOMPARISON OF PERFORMANCE OF USINGCOMPARISON OF PERFORMANCE OF USING
DOUBLE GLAZING UNITS (DGU) OVER TRIPLEDOUBLE GLAZING UNITS (DGU) OVER TRIPLEDOUBLE GLAZING UNITS (DGU) OVER TRIPLEDOUBLE GLAZING UNITS (DGU) OVER TRIPLE
GLAZING UNITS (TGU).GLAZING UNITS (TGU).GLAZING UNITS (TGU).GLAZING UNITS (TGU).
THE ANALYSIS USE THE SAME INFORMATION ASTHE ANALYSIS USE THE SAME INFORMATION ASTHE ANALYSIS USE THE SAME INFORMATION ASTHE ANALYSIS USE THE SAME INFORMATION AS
APPLIED TO THE DGU ANALYSIS FOR THEAPPLIED TO THE DGU ANALYSIS FOR THEAPPLIED TO THE DGU ANALYSIS FOR THEAPPLIED TO THE DGU ANALYSIS FOR THE
DOUBLE SKIN FAÇADE SYSTEM ABOVE.DOUBLE SKIN FAÇADE SYSTEM ABOVE.DOUBLE SKIN FAÇADE SYSTEM ABOVE.DOUBLE SKIN FAÇADE SYSTEM ABOVE.

27. Presentation on Energy Performance and Requirements
IN USING TGU FOR THE EXTERNAL SKIN, THEIN USING TGU FOR THE EXTERNAL SKIN, THEIN USING TGU FOR THE EXTERNAL SKIN, THEIN USING TGU FOR THE EXTERNAL SKIN, THE
SECOND SKIN IS ASSUMED TO BE DELETED.SECOND SKIN IS ASSUMED TO BE DELETED.SECOND SKIN IS ASSUMED TO BE DELETED.SECOND SKIN IS ASSUMED TO BE DELETED.
THE TEMPERATURE IN THE INTERIOR WILL BETHE TEMPERATURE IN THE INTERIOR WILL BETHE TEMPERATURE IN THE INTERIOR WILL BETHE TEMPERATURE IN THE INTERIOR WILL BETHE TEMPERATURE IN THE INTERIOR WILL BETHE TEMPERATURE IN THE INTERIOR WILL BETHE TEMPERATURE IN THE INTERIOR WILL BETHE TEMPERATURE IN THE INTERIOR WILL BE
MAINTAINED AT 21ºC AS REQUIRED IN GOSTsMAINTAINED AT 21ºC AS REQUIRED IN GOSTsMAINTAINED AT 21ºC AS REQUIRED IN GOSTsMAINTAINED AT 21ºC AS REQUIRED IN GOSTs
AND SNiPsAND SNiPsAND SNiPsAND SNiPs

28. Presentation on Energy Performance and Requirements
PREVIOUS CONCEPTUAL WINTER OPERATIONPREVIOUS CONCEPTUAL WINTER OPERATIONPREVIOUS CONCEPTUAL WINTER OPERATIONPREVIOUS CONCEPTUAL WINTER OPERATION

29. Presentation on Energy Performance and Requirements
THE CURRENT ANALYSIS AGREES ON THETHE CURRENT ANALYSIS AGREES ON THETHE CURRENT ANALYSIS AGREES ON THETHE CURRENT ANALYSIS AGREES ON THE
WINTER OPERATION PREVIOUSLY PROVIDED INWINTER OPERATION PREVIOUSLY PROVIDED INWINTER OPERATION PREVIOUSLY PROVIDED INWINTER OPERATION PREVIOUSLY PROVIDED IN
THE CONCEPT DESIGN.THE CONCEPT DESIGN.THE CONCEPT DESIGN.THE CONCEPT DESIGN.
THE LOUVRES DISCHARGING AIR FROM THETHE LOUVRES DISCHARGING AIR FROM THETHE LOUVRES DISCHARGING AIR FROM THETHE LOUVRES DISCHARGING AIR FROM THE
OFFICES WILL BE REQUIRED BUT WILL BEOFFICES WILL BE REQUIRED BUT WILL BEOFFICES WILL BE REQUIRED BUT WILL BEOFFICES WILL BE REQUIRED BUT WILL BE
ATTACHED TO A DUCT FORCING HOT AIR FROMATTACHED TO A DUCT FORCING HOT AIR FROMATTACHED TO A DUCT FORCING HOT AIR FROMATTACHED TO A DUCT FORCING HOT AIR FROM
THE OFFICE TO THE BUFFER ZONE DURINGTHE OFFICE TO THE BUFFER ZONE DURINGTHE OFFICE TO THE BUFFER ZONE DURINGTHE OFFICE TO THE BUFFER ZONE DURING
COOL MONTHS. PROVIDING FULL LOUVREDCOOL MONTHS. PROVIDING FULL LOUVREDCOOL MONTHS. PROVIDING FULL LOUVREDCOOL MONTHS. PROVIDING FULL LOUVRED
OPENING ON THE SECOND SKIN WILL DEFEATOPENING ON THE SECOND SKIN WILL DEFEATOPENING ON THE SECOND SKIN WILL DEFEATOPENING ON THE SECOND SKIN WILL DEFEAT
THE THERMAL PERFORMANCE OF THE SECONDTHE THERMAL PERFORMANCE OF THE SECONDTHE THERMAL PERFORMANCE OF THE SECONDTHE THERMAL PERFORMANCE OF THE SECOND
SKIN.SKIN.SKIN.SKIN.