Appendix A5_Summary of Analysis for Okhta Tower Facade Energy Performance

APPENDIX A5
PRESENTATION OF THE SUMMARY OF ENERGY
PERFOMANCE ANALYSIS FOR OKHTA CENTER
TOWER DOUBLE SKIN FACADE

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

THE FOLLOWING ANALYSIS WERE DONE TOTHE FOLLOWING ANALYSIS WERE DONE TOTHE FOLLOWING ANALYSIS WERE DONE TOTHE FOLLOWING ANALYSIS WERE DONE TOTHE 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 DESIGNBASED ON CURRENT PROEKT DESIGNBASED ON CURRENT PROEKT DESIGNBASED ON CURRENT PROEKT DESIGN
DOCUMENTS.DOCUMENTS.DOCUMENTS.DOCUMENTS.
TO PROVIDE ADDITONAL INFORMATION ANDTO PROVIDE ADDITONAL INFORMATION ANDTO PROVIDE ADDITONAL INFORMATION ANDTO PROVIDE ADDITONAL INFORMATION AND
ANSWER SOME QUESTIONS WHICH ARE NOTANSWER SOME QUESTIONS WHICH ARE NOTANSWER SOME QUESTIONS WHICH ARE NOTANSWER SOME QUESTIONS WHICH ARE NOT
PREVIOUSLY CLEAR OR ANSWERED.PREVIOUSLY CLEAR OR ANSWERED.PREVIOUSLY CLEAR OR ANSWERED.PREVIOUSLY CLEAR OR ANSWERED.PREVIOUSLY CLEAR OR ANSWERED.PREVIOUSLY CLEAR OR ANSWERED.PREVIOUSLY CLEAR OR ANSWERED.PREVIOUSLY CLEAR OR ANSWERED.

ANALYSIS FOLLOWS WHAT WASANALYSIS FOLLOWS WHAT WASANALYSIS FOLLOWS WHAT WASANALYSIS FOLLOWS WHAT WASANALYSIS FOLLOWS WHAT WASANALYSIS FOLLOWS WHAT WASANALYSIS FOLLOWS WHAT WASANALYSIS FOLLOWS WHAT WAS
PREVIOUSLY ESTABLISHED AND YET ITPREVIOUSLY ESTABLISHED AND YET ITPREVIOUSLY ESTABLISHED AND YET ITPREVIOUSLY ESTABLISHED AND YET IT
WILL PROVIDE INFORMATION THAT WILLWILL PROVIDE INFORMATION THAT WILLWILL PROVIDE INFORMATION THAT WILLWILL PROVIDE INFORMATION THAT WILL
BE A GUIDE TO THE NEXT STAGE OF THEBE A GUIDE TO THE NEXT STAGE OF THEBE A GUIDE TO THE NEXT STAGE OF THEBE A GUIDE TO THE NEXT STAGE OF THE
DESIGN WORKS.DESIGN WORKS.DESIGN WORKS.DESIGN WORKS.

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?CURRENT CLIMATE ANALYSIS?CURRENT CLIMATE ANALYSIS?CURRENT CLIMATE ANALYSIS?CURRENT CLIMATE ANALYSIS?

25 YEAR AVERAGE DAILY WIND SPEED25 YEAR AVERAGE DAILY WIND SPEED25 YEAR AVERAGE DAILY WIND SPEED25 YEAR AVERAGE DAILY WIND SPEED25 YEAR AVERAGE DAILY WIND SPEED25 YEAR AVERAGE DAILY WIND SPEED25 YEAR AVERAGE DAILY WIND SPEED25 YEAR AVERAGE DAILY WIND SPEED

SUN EXPOSURE AND SHADESUN EXPOSURE AND SHADESUN EXPOSURE AND SHADESUN EXPOSURE AND SHADESUN EXPOSURE AND SHADESUN EXPOSURE AND SHADESUN EXPOSURE AND SHADESUN EXPOSURE AND SHADE

25 YEAR AVERAGE TEMPERATURE, SOLAR HEAT25 YEAR AVERAGE TEMPERATURE, SOLAR HEAT25 YEAR AVERAGE TEMPERATURE, SOLAR HEAT25 YEAR AVERAGE TEMPERATURE, SOLAR HEAT25 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

TO SUMMARIZE THE ABOVE AN EXAMPLE OF THETO SUMMARIZE THE ABOVE AN EXAMPLE OF THETO SUMMARIZE THE ABOVE AN EXAMPLE OF THETO SUMMARIZE THE ABOVE AN EXAMPLE OF THE
ANALYSIS SPREADSHEETS WERE PROVIDEDANALYSIS SPREADSHEETS WERE PROVIDEDANALYSIS SPREADSHEETS WERE PROVIDEDANALYSIS SPREADSHEETS WERE PROVIDEDANALYSIS SPREADSHEETS WERE PROVIDEDANALYSIS SPREADSHEETS WERE PROVIDEDANALYSIS SPREADSHEETS WERE PROVIDEDANALYSIS SPREADSHEETS WERE PROVIDED
BELOWBELOWBELOWBELOW

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 L72BUFFER ZONES FROM L6 TO L72BUFFER ZONES FROM L6 TO L72BUFFER ZONES FROM L6 TO L72BUFFER ZONES FROM L6 TO L72

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 L72OFFICES FROM L6 TO L72OFFICES FROM L6 TO L72OFFICES FROM L6 TO L72OFFICES FROM L6 TO L72

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 L72THE OFFICES FROM L6 TO L72THE OFFICES FROM L6 TO L72THE OFFICES FROM L6 TO L72THE OFFICES FROM L6 TO L72

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 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 TOWERATRIUMS, L1 TO L5 AND L72 TO TOP OF TOWER

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), L1THE 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

OBSERVATIONS BASED ON THE CURRENTOBSERVATIONS BASED ON THE CURRENTOBSERVATIONS BASED ON THE CURRENTOBSERVATIONS BASED ON THE CURRENT
ANALYSIS:ANALYSIS:ANALYSIS:ANALYSIS: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 46.1846.1846.1846.18
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

THE DOUBLE SKIN FAÇADE PROVIDES ANTHE DOUBLE SKIN FAÇADE PROVIDES ANTHE DOUBLE SKIN FAÇADE PROVIDES ANTHE DOUBLE SKIN FAÇADE PROVIDES ANTHE 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 AND TOBE MANAGED AND TOBE MANAGED AND TOBE MANAGED AND TO OPTIMIZEOPTIMIZEOPTIMIZEOPTIMIZE THE ENERGYTHE ENERGYTHE ENERGYTHE ENERGY
CONSUMPTION DURING COLD SEASON.CONSUMPTION DURING COLD SEASON.CONSUMPTION DURING COLD SEASON.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 SEASONMINIMUM 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.

IF OPTIMIZED, THE TOWER WILL REQUIRE COOLINGIF OPTIMIZED, THE TOWER WILL REQUIRE COOLINGIF OPTIMIZED, THE TOWER WILL REQUIRE COOLINGIF OPTIMIZED, THE TOWER WILL REQUIRE COOLINGIF OPTIMIZED, THE TOWER WILL REQUIRE COOLINGIF OPTIMIZED, THE TOWER WILL REQUIRE COOLINGIF OPTIMIZED, THE TOWER WILL REQUIRE COOLINGIF OPTIMIZED, THE TOWER WILL REQUIRE COOLING
TO A MINIMUM OF 6 MONTHS PER YEAR ON WHERETO A MINIMUM OF 6 MONTHS PER YEAR ON WHERETO A MINIMUM OF 6 MONTHS PER YEAR ON WHERETO A MINIMUM OF 6 MONTHS PER YEAR ON WHERE
THE ENERGY CONSUMPTION AT THE MINIMUM WILLTHE ENERGY CONSUMPTION AT THE MINIMUM WILLTHE ENERGY CONSUMPTION AT THE MINIMUM WILLTHE ENERGY CONSUMPTION AT THE MINIMUM WILL
COME FROM THE CIRCULATION OF USED AND FRESHCOME FROM THE CIRCULATION OF USED AND FRESHCOME FROM THE CIRCULATION OF USED AND FRESHCOME FROM THE CIRCULATION OF USED AND FRESH
AIR IN THE OFFICES.AIR IN THE OFFICES.AIR IN THE OFFICES.AIR IN THE OFFICES.
TOTOTOTO OPTIMIZE,OPTIMIZE,OPTIMIZE,OPTIMIZE, THE NEED TO TRANSFER HEAT FROMTHE NEED TO TRANSFER HEAT FROMTHE NEED TO TRANSFER HEAT FROMTHE NEED TO TRANSFER HEAT FROM
SUN EXPOSURE (SOLAR GAIN) FROM THE SOUTHERNSUN EXPOSURE (SOLAR GAIN) FROM THE SOUTHERNSUN EXPOSURE (SOLAR GAIN) FROM THE SOUTHERNSUN EXPOSURE (SOLAR GAIN) FROM THE SOUTHERN
TO THE NORTHERN SIDES TO EQUALIZE THETO THE NORTHERN SIDES TO EQUALIZE THETO THE NORTHERN SIDES TO EQUALIZE THETO THE NORTHERN SIDES TO EQUALIZE THE
SUN EXPOSURE (SOLAR GAIN) FROM THE SOUTHERNSUN EXPOSURE (SOLAR GAIN) FROM THE SOUTHERNSUN EXPOSURE (SOLAR GAIN) FROM THE SOUTHERNSUN EXPOSURE (SOLAR GAIN) FROM THE SOUTHERN
TO THE NORTHERN SIDES TO EQUALIZE THETO THE NORTHERN SIDES TO EQUALIZE THETO THE NORTHERN SIDES TO EQUALIZE THETO THE NORTHERN SIDES TO EQUALIZE THE
TEMPERATURE IN THE BUFFER ZONE DURING COLDTEMPERATURE IN THE BUFFER ZONE DURING COLDTEMPERATURE IN THE BUFFER ZONE DURING COLDTEMPERATURE IN THE BUFFER ZONE DURING COLD
MONTHS.MONTHS.MONTHS.MONTHS.

BLINDS WILL BE REQUIRED TO CONTROL GLARE DUEBLINDS WILL BE REQUIRED TO CONTROL GLARE DUEBLINDS WILL BE REQUIRED TO CONTROL GLARE DUEBLINDS WILL BE REQUIRED TO CONTROL GLARE DUEBLINDS WILL BE REQUIRED TO CONTROL GLARE DUEBLINDS WILL BE REQUIRED TO CONTROL GLARE DUEBLINDS WILL BE REQUIRED TO CONTROL GLARE DUEBLINDS WILL BE REQUIRED TO CONTROL GLARE DUE
TO LOW SUN ANGLE FROM THE HORIZON DURINGTO LOW SUN ANGLE FROM THE HORIZON DURINGTO LOW SUN ANGLE FROM THE HORIZON DURINGTO LOW SUN ANGLE FROM THE HORIZON DURING
COLD MONTHS. THERMAL PERFOMANCE OF THECOLD MONTHS. THERMAL PERFOMANCE OF THECOLD MONTHS. THERMAL PERFOMANCE OF THECOLD MONTHS. THERMAL PERFOMANCE OF THE
BLINDS WERE NOT CONSIDERED IN THEBLINDS WERE NOT CONSIDERED IN THEBLINDS WERE NOT CONSIDERED IN THEBLINDS WERE NOT CONSIDERED IN THE CURRENTCURRENTCURRENTCURRENT
ANALYSISANALYSISANALYSISANALYSIS
FURTHER ANALYSIS IS REQUIRED TO COOL DOWNFURTHER ANALYSIS IS REQUIRED TO COOL DOWNFURTHER ANALYSIS IS REQUIRED TO COOL DOWNFURTHER ANALYSIS IS REQUIRED TO COOL DOWN
THE BUFFER ZONE AT THE SEALED BUFFER (BLAST)THE BUFFER ZONE AT THE SEALED BUFFER (BLAST)THE BUFFER ZONE AT THE SEALED BUFFER (BLAST)THE BUFFER ZONE AT THE SEALED BUFFER (BLAST)
ZONE LEVELS OF THE TOWER FAÇADE SINCE WARMZONE LEVELS OF THE TOWER FAÇADE SINCE WARMZONE LEVELS OF THE TOWER FAÇADE SINCE WARMZONE LEVELS OF THE TOWER FAÇADE SINCE WARM
THE BUFFER ZONE AT THE SEALED BUFFER (BLAST)THE BUFFER ZONE AT THE SEALED BUFFER (BLAST)THE BUFFER ZONE AT THE SEALED BUFFER (BLAST)THE BUFFER ZONE AT THE SEALED BUFFER (BLAST)
ZONE LEVELS OF THE TOWER FAÇADE SINCE WARMZONE LEVELS OF THE TOWER FAÇADE SINCE WARMZONE LEVELS OF THE TOWER FAÇADE SINCE WARMZONE LEVELS OF THE TOWER FAÇADE SINCE WARM
SEASON THE TEMPERATURE IN THE BUFFER ZONE WILLSEASON THE TEMPERATURE IN THE BUFFER ZONE WILLSEASON THE TEMPERATURE IN THE BUFFER ZONE WILLSEASON THE TEMPERATURE IN THE BUFFER ZONE WILL
BE HIGH.BE HIGH.BE HIGH.BE HIGH.

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.
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 THEFOLLOWS 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.

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 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 MAINTAINEDHEATING 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.

COMPARISON OF PERFORMANCE OF USINGCOMPARISON OF PERFORMANCE OF USINGCOMPARISON OF PERFORMANCE OF USINGCOMPARISON OF PERFORMANCE OF USINGCOMPARISON 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).
USING THE SAME INFORMATION AS APPLIED TOUSING THE SAME INFORMATION AS APPLIED TOUSING THE SAME INFORMATION AS APPLIED TOUSING THE SAME INFORMATION AS APPLIED TO
THE DGU ANALYSIS FOR THE DOUBLE SKINTHE DGU ANALYSIS FOR THE DOUBLE SKINTHE DGU ANALYSIS FOR THE DOUBLE SKINTHE DGU ANALYSIS FOR THE DOUBLE SKIN
FAÇADE SYSTEM ABOVE.FAÇADE SYSTEM ABOVE.FAÇADE SYSTEM ABOVE.FAÇADE SYSTEM ABOVE.FAÇADE SYSTEM ABOVE.FAÇADE SYSTEM ABOVE.FAÇADE SYSTEM ABOVE.FAÇADE SYSTEM ABOVE.

IN USING TGU FOR THE EXTERNAL SKIN OF THEIN USING TGU FOR THE EXTERNAL SKIN OF THEIN USING TGU FOR THE EXTERNAL SKIN OF THEIN USING TGU FOR THE EXTERNAL SKIN OF THEIN USING TGU FOR THE EXTERNAL SKIN OF THEIN USING TGU FOR THE EXTERNAL SKIN OF THEIN USING TGU FOR THE EXTERNAL SKIN OF THEIN USING TGU FOR THE EXTERNAL SKIN OF THE
TOWER, THE SECOND SKIN IS ASSUMED TO BETOWER, THE SECOND SKIN IS ASSUMED TO BETOWER, THE SECOND SKIN IS ASSUMED TO BETOWER, THE SECOND SKIN IS ASSUMED TO BE
DELETEDDELETEDDELETEDDELETED. THIS IS DUE TO THE COST OF. THIS IS DUE TO THE COST OF. THIS IS DUE TO THE COST OF. THIS IS DUE TO THE COST OF
HAVING TGU FAÇADE WILL ULTIMATELY THEHAVING TGU FAÇADE WILL ULTIMATELY THEHAVING TGU FAÇADE WILL ULTIMATELY THEHAVING TGU FAÇADE WILL ULTIMATELY THE
SECOND SKIN TO ADDITIONAL COSTS ON THESECOND SKIN TO ADDITIONAL COSTS ON THESECOND SKIN TO ADDITIONAL COSTS ON THESECOND SKIN TO ADDITIONAL COSTS ON THE
PROJECTPROJECTPROJECTPROJECT
THE TEMPERATURE IN THE INTERIORTHE TEMPERATURE IN THE INTERIORTHE TEMPERATURE IN THE INTERIORTHE TEMPERATURE IN THE INTERIOR
(OFFICES) WILL BE MAINTAINED AT 21ºC AS(OFFICES) WILL BE MAINTAINED AT 21ºC AS(OFFICES) WILL BE MAINTAINED AT 21ºC AS(OFFICES) WILL BE MAINTAINED AT 21ºC AS
REQUIRED IN GOSTs ANDREQUIRED IN GOSTs ANDREQUIRED IN GOSTs ANDREQUIRED IN GOSTs AND SNiPsSNiPsSNiPsSNiPs

SUMMARY OF ENERGY PERFORMANCE IN USINGSUMMARY OF ENERGY PERFORMANCE IN USINGSUMMARY OF ENERGY PERFORMANCE IN USINGSUMMARY OF ENERGY PERFORMANCE IN USING
TRIPLE GLAZING FOR THE TOWER FACADETRIPLE GLAZING FOR THE TOWER FACADETRIPLE GLAZING FOR THE TOWER FACADETRIPLE GLAZING FOR THE TOWER FACADE

ATRIUM ZONESATRIUM ZONESATRIUM ZONESATRIUM ZONESATRIUM ZONESATRIUM ZONESATRIUM ZONESATRIUM ZONES

OFFICE ZONEOFFICE ZONEOFFICE ZONEOFFICE ZONEOFFICE ZONEOFFICE ZONEOFFICE ZONEOFFICE ZONE

TOTAL OF ENERGY PERFORMANCE IN USINGTOTAL OF ENERGY PERFORMANCE IN USINGTOTAL OF ENERGY PERFORMANCE IN USINGTOTAL OF ENERGY PERFORMANCE IN USINGTOTAL OF ENERGY PERFORMANCE IN USINGTOTAL OF ENERGY PERFORMANCE IN USINGTOTAL OF ENERGY PERFORMANCE IN USINGTOTAL OF ENERGY PERFORMANCE IN USING
TRIPLE GLAZING FOR THE TOWER FACADETRIPLE GLAZING FOR THE TOWER FACADETRIPLE GLAZING FOR THE TOWER FACADETRIPLE GLAZING FOR THE TOWER FACADE

AS OBSERVED BASED ON THE ABOVE, USING TRIPLEAS OBSERVED BASED ON THE ABOVE, USING TRIPLEAS OBSERVED BASED ON THE ABOVE, USING TRIPLEAS OBSERVED BASED ON THE ABOVE, USING TRIPLEAS OBSERVED BASED ON THE ABOVE, USING TRIPLEAS OBSERVED BASED ON THE ABOVE, USING TRIPLEAS OBSERVED BASED ON THE ABOVE, USING TRIPLEAS OBSERVED BASED ON THE ABOVE, USING TRIPLE
GLAZING UNITS (TGU) FOR TOWER IS NOT ADVISABLEGLAZING UNITS (TGU) FOR TOWER IS NOT ADVISABLEGLAZING UNITS (TGU) FOR TOWER IS NOT ADVISABLEGLAZING UNITS (TGU) FOR TOWER IS NOT ADVISABLE
BECAUSE THIS WILL RESULT TO HIGHER ENERGYBECAUSE THIS WILL RESULT TO HIGHER ENERGYBECAUSE THIS WILL RESULT TO HIGHER ENERGYBECAUSE THIS WILL RESULT TO HIGHER ENERGY
CONSUMPTION DUE TO REQUIRED MAINTAINEDCONSUMPTION DUE TO REQUIRED MAINTAINEDCONSUMPTION DUE TO REQUIRED MAINTAINEDCONSUMPTION DUE TO REQUIRED MAINTAINED
TEMPERATURE IN THE OFFICES.TEMPERATURE IN THE OFFICES.TEMPERATURE IN THE OFFICES.TEMPERATURE IN THE OFFICES.
FURTHER, USING TGU WILL RESULT TO COOLERFURTHER, USING TGU WILL RESULT TO COOLERFURTHER, USING TGU WILL RESULT TO COOLERFURTHER, USING TGU WILL RESULT TO COOLER
INTERIOR SURFACE TEMPERATURE BECAUSE OF ITSINTERIOR SURFACE TEMPERATURE BECAUSE OF ITSINTERIOR SURFACE TEMPERATURE BECAUSE OF ITSINTERIOR SURFACE TEMPERATURE BECAUSE OF ITS
BETTER PERFORMANCE WHICH WILL ALSO RESULT TOBETTER PERFORMANCE WHICH WILL ALSO RESULT TOBETTER PERFORMANCE WHICH WILL ALSO RESULT TOBETTER PERFORMANCE WHICH WILL ALSO RESULT TO
INTERIOR SURFACE TEMPERATURE BECAUSE OF ITSINTERIOR SURFACE TEMPERATURE BECAUSE OF ITSINTERIOR SURFACE TEMPERATURE BECAUSE OF ITSINTERIOR SURFACE TEMPERATURE BECAUSE OF ITS
BETTER PERFORMANCE WHICH WILL ALSO RESULT TOBETTER PERFORMANCE WHICH WILL ALSO RESULT TOBETTER PERFORMANCE WHICH WILL ALSO RESULT TOBETTER PERFORMANCE WHICH WILL ALSO RESULT TO
COOLER EXTERIOR SURFACECOOLER EXTERIOR SURFACECOOLER EXTERIOR SURFACECOOLER EXTERIOR SURFACE TEMPERATURE ON THETEMPERATURE ON THETEMPERATURE ON THETEMPERATURE ON THE
CURTAIN WALL SYSTEM WHICH WILL FURTHERCURTAIN WALL SYSTEM WHICH WILL FURTHERCURTAIN WALL SYSTEM WHICH WILL FURTHERCURTAIN WALL SYSTEM WHICH WILL FURTHER RESULTRESULTRESULTRESULT
FROSTING ON THE GLASSFROSTING ON THE GLASSFROSTING ON THE GLASSFROSTING ON THE GLASS DURING COLDDURING COLDDURING COLDDURING COLD SEASON.SEASON.SEASON.SEASON.

THE OBJECTIVE OF THIS ANALYSIS WAS TOTHE OBJECTIVE OF THIS ANALYSIS WAS TOTHE OBJECTIVE OF THIS ANALYSIS WAS TOTHE OBJECTIVE OF THIS ANALYSIS WAS TOTHE OBJECTIVE OF THIS ANALYSIS WAS TOTHE OBJECTIVE OF THIS ANALYSIS WAS TOTHE OBJECTIVE OF THIS ANALYSIS WAS TOTHE OBJECTIVE OF THIS ANALYSIS WAS TO
PROVIDE PRELIMINARY ANSWERS TO SOMEPROVIDE PRELIMINARY ANSWERS TO SOMEPROVIDE PRELIMINARY ANSWERS TO SOMEPROVIDE PRELIMINARY ANSWERS TO SOME
QUESTIONS THAT WERE NOT PREVIUOSLYQUESTIONS THAT WERE NOT PREVIUOSLYQUESTIONS THAT WERE NOT PREVIUOSLYQUESTIONS THAT WERE NOT PREVIUOSLY
ANSWERED BECAUSEANSWERED BECAUSEANSWERED BECAUSEANSWERED BECAUSE OFOFOFOF INCOMPLETEINCOMPLETEINCOMPLETEINCOMPLETE ANALYSISANALYSISANALYSISANALYSIS
WHICH WERE LIMITED ONLY FOR THE PROEKTWHICH WERE LIMITED ONLY FOR THE PROEKTWHICH WERE LIMITED ONLY FOR THE PROEKTWHICH WERE LIMITED ONLY FOR THE PROEKT
SUBMISSION.SUBMISSION.SUBMISSION.SUBMISSION.
FURTHER VERIFICATION OF THIS ANALYSISFURTHER VERIFICATION OF THIS ANALYSISFURTHER VERIFICATION OF THIS ANALYSISFURTHER VERIFICATION OF THIS ANALYSIS
SHALL BE REQUIRED IN ORDER TO FULLYSHALL BE REQUIRED IN ORDER TO FULLYSHALL BE REQUIRED IN ORDER TO FULLYSHALL BE REQUIRED IN ORDER TO FULLY
UNDERSTAND THER PERFORMNACE OF THEUNDERSTAND THER PERFORMNACE OF THEUNDERSTAND THER PERFORMNACE OF THEUNDERSTAND THER PERFORMNACE OF THE
DOUBLE SKINDOUBLE SKINDOUBLE SKINDOUBLE SKIN FAÇADE SYSTEM.FAÇADE SYSTEM.FAÇADE SYSTEM.FAÇADE SYSTEM.

Appendix A5_Summary of Analysis for Okhta Tower Facade Energy Performance

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