Context - West Kirk of St Nicholas

Page 1


KirkofStNicholasUniting

PreDesignStudy

Buildingtype: Residential

Occupancyschedule:

Weekdays 6:00to22:00

Weekends 6:00to22:00

Location:

Aberdeen,Scotland,GB

SiteContext

Equinoxes

Aberdeenhasatemperateoceanicclimate

Quiteseasonal.Winterswithcold,shortdaysandsummerswithmildtowarm,longdays.

21Decto20Mar Winter-cold,dark Coldandwindytocrisp

21Marto20Jun

-chilly

anddrearytofine

Impactofwindoncomfort Cooling Chilling Toowindy

21Junto20Sep

-cool,light

21Septo20Dec

&

Likelyheating&coolingneed

Architecturalresponse

Impactofclimateonarchitecturalresponse

Whatit’slike:

Breezyandchilly

Stillandcold(orcolder)

Whatmosthumanswant:

Shelterfromthewind

Warmth

Whatit’slike:

Stillbutchilly

Breezyandcool

Windybutpleasant

Whatmosthumanswant:

Shelterwhenneeded

Someconnectivitywithoutside

Whatit’slike:

Pleasantorwarm

Breezyorcalm,notwindy

Whatmosthumanswant:

Tobeoutside

Toenjoytheweather

Whatit’slike:

Warmbutwindy

Hot(orhotter)

Whatmosthumanswant:

Protectionfromthewind&sun

Tobecool

Architecturalresponse

Bestwaysforarchitecturetorespondtoclimate

Provideshelterfromthecold

Well-insulatedglazingandenvelope

Goodcontrolofinfiltration

Massingswithlimitedarticulation

Efficient&comfortableheatingsystems

Taketheinsideoutside

Largeopeningstoconnectinsidewithoutside

Shadedoutsideareasasalternativetoinsidespace

Largerglazingratios

Shadingwhereneeded

Bringtheoutsidein

Controlledopeningsfornaturalventilation

Shelteredoutsidespaceslikecourtyards&atriums

Largerglazingratios

Shadingasneeded

Provideshelterfromheat

Shadedglazingwithsolarcontrol

Limitedunprotectedglazing

Efficientindoorcoolingsystems

Shadedoutdoorareaswithfansandpossiblymisting

Architecturalresponse

Whenarchitecturalresponsesaremostimportant

Glazingratio:Southfacade

Suggestionsformaximumglazingratioforthisclimate

Factorsaffectingglazingratio

Overallrecommendation

Focusonstrategiesthatreduceheatlossto maximisetheamountofglazingyoucanuse.

Improvingglazingandframeinsulationwillhavethe biggestimpact.

Coldweatherleadingtoheatloss

Heatlosspotential:

3,170heatingdegree-daysperyear

Heatlossthroughglazing:

High

Impactonglazingratio:

High

Optimalstrategy Tripleglazedlow-E,non-metal,noshading,basicglazing

Detrimentalsunleadingtoheatgain

Amountofoverheatingsun:

402overheatinghrsperyear

Heatgainthroughglazing:

Low

Impactonglazingratio:

Negligible

Typicalstrategy

Doubleglazedlow-E,non-metal,noshading,basicglazing

Glazingratio:South-westfacade

Suggestionsformaximumglazingratioforthisclimate

Factorsaffectingglazingratio

Overallrecommendation

Focusonstrategiesthatreduceheatlossto maximisetheamountofglazingyoucanuse.

Improvingglazingandframeinsulationwillhavethe biggestimpact.

Coldweatherleadingtoheatloss

Heatlosspotential:

3,170heatingdegree-daysperyear

Heatlossthroughglazing:

High

Impactonglazingratio:

High

Optimalstrategy

glazedlow-E,non-metal,noshading,basicglazing

Detrimentalsunleadingtoheatgain

Amountofoverheatingsun:

402overheatinghrsperyear

Heatgainthroughglazing:

Low

Impactonglazingratio:

Negligible

Typicalstrategy Doubleglazedlow-E,non-metal,noshading,basicglazing

Glazingratio:Westfacade

Suggestionsformaximumglazingratioforthisclimate

Factorsaffectingglazingratio

Overallrecommendation

Focusonstrategiesthatreduceheatlossto maximisetheamountofglazingyoucanuse.

Improvingglazingandframeinsulationwillhavethe biggestimpact.

Coldweatherleadingtoheatloss

Heatlosspotential:

3,170heatingdegree-daysperyear

Heatlossthroughglazing:

High

Impactonglazingratio:

High

Optimalstrategy Tripleglazedlow-E,non-metal,noshading,basicglazing

Detrimentalsunleadingtoheatgain

Amountofoverheatingsun:

315overheatinghrsperyear

Heatgainthroughglazing:

Low

Impactonglazingratio:

Negligible

Typicalstrategy

Doubleglazedlow-E,non-metal,noshading,basicglazing

Glazingratio:North-westfacade

Suggestionsformaximumglazingratioforthisclimate

Factorsaffectingglazingratio

Overallrecommendation

Focusonstrategiesthatreduceheatlossto maximisetheamountofglazingyoucanuse.

Improvingglazingandframeinsulationwillhavethe biggestimpact.

Coldweatherleadingtoheatloss

Heatlosspotential:

3,170heatingdegree-daysperyear

Heatlossthroughglazing:

High

Impactonglazingratio:

High

Optimalstrategy

glazedlow-E,non-metal,noshading,basicglazing

Detrimentalsunleadingtoheatgain

Amountofoverheatingsun:

179overheatinghrsperyear

Heatgainthroughglazing:

Low

Impactonglazingratio:

Negligible

Typicalstrategy Doubleglazedlow-E,non-metal,noshading,basicglazing

Glazingratio:Northfacade

Suggestionsformaximumglazingratioforthisclimate

Factorsaffectingglazingratio

Overallrecommendation

Focusonstrategiesthatreduceheatlossto maximisetheamountofglazingyoucanuse.

Improvingglazingandframeinsulationwillhavethe biggestimpact.

Coldweatherleadingtoheatloss

Heatlosspotential:

3,170heatingdegree-daysperyear

Heatlossthroughglazing:

High

Impactonglazingratio:

High

Optimalstrategy

Tripleglazedlow-E,non-metal,noshading,basicglazing

Detrimentalsunleadingtoheatgain

Amountofoverheatingsun:

43overheatinghrsperyear

Heatgainthroughglazing:

Low

Impactonglazingratio:

Negligible

Typicalstrategy

Doubleglazedlow-E,non-metal,noshading,basicglazing

control

Glazingratio:North-eastfacade

Suggestionsformaximumglazingratioforthisclimate

Factorsaffectingglazingratio

Overallrecommendation

Focusonstrategiesthatreduceheatlossto maximisetheamountofglazingyoucanuse.

Improvingglazingandframeinsulationwillhavethe biggestimpact.

Coldweatherleadingtoheatloss

Heatlosspotential:

3,170heatingdegree-daysperyear

Heatlossthroughglazing:

High

Impactonglazingratio:

High

Optimalstrategy

glazedlow-E,non-metal,noshading,basicglazing

Detrimentalsunleadingtoheatgain

Amountofoverheatingsun:

43overheatinghrsperyear

Heatgainthroughglazing:

Low

Impactonglazingratio:

Negligible

Typicalstrategy

Doubleglazedlow-E,non-metal,noshading,basicglazing

Glazingratio:Eastfacade

Suggestionsformaximumglazingratioforthisclimate

Factorsaffectingglazingratio

Overallrecommendation

Focusonstrategiesthatreduceheatlossto maximisetheamountofglazingyoucanuse.

Improvingglazingandframeinsulationwillhavethe biggestimpact.

Coldweatherleadingtoheatloss

Heatlosspotential:

3,170heatingdegree-daysperyear

Heatlossthroughglazing:

High

Impactonglazingratio:

High

Optimalstrategy

Tripleglazedlow-E,non-metal,noshading,basicglazing

Detrimentalsunleadingtoheatgain

Amountofoverheatingsun:

130overheatinghrsperyear

Heatgainthroughglazing:

Low

Impactonglazingratio:

Negligible

Typicalstrategy

Doubleglazedlow-E,non-metal,noshading,basicglazing

control

Glazingratio:South-eastfacade

Suggestionsformaximumglazingratioforthisclimate

Factorsaffectingglazingratio

Overallrecommendation

Focusonstrategiesthatreduceheatlossto maximisetheamountofglazingyoucanuse.

Improvingglazingandframeinsulationwillhavethe biggestimpact.

Coldweatherleadingtoheatloss

Heatlosspotential:

3,170heatingdegree-daysperyear

Heatlossthroughglazing:

High

Impactonglazingratio:

High

Optimalstrategy

glazedlow-E,non-metal,noshading,basicglazing

Detrimentalsunleadingtoheatgain

Amountofoverheatingsun:

266overheatinghrsperyear

Heatgainthroughglazing:

Low

Impactonglazingratio:

Negligible

Typicalstrategy Doubleglazedlow-E,non-metal,noshading,basicglazing

Thisfacadeseesalowamountofdetrimental overheatinghours. Whenoverheatinghappens,itsimpactislow.

Beneficialwarmingfromthesunisextremelycommon. Whenwarmingsunhappens,itsbenefitcanbequite significant.

Shading: Southfacade

Effectivenessofdifferentshadingstrategies

Shading: South-westfacade

Thisfacadeseesalowamountofdetrimental overheatinghours. Whenoverheatinghappens,itsimpactislow.

Beneficialwarmingfromthesunisextremelycommon. Whenwarmingsunhappens,itsbenefitcanbequite significant.

Embrace

Shading: South-westfacade

Effectivenessofdifferentshadingstrategies

Thisfacadeseesalowamountofdetrimental overheatinghours. Whenoverheatinghappens,itsimpactislow.

Beneficialwarmingfromthesunisextremelycommon. Whenwarmingsunhappens,itsbenefitcanbequite significant.

Embrace

Shading: Westfacade

Effectivenessofdifferentshadingstrategies

Noshading

Shading: North-westfacade

Thisfacadeseesalowamountofdetrimental overheatinghours. Whenoverheatinghappens,itsimpactislow.

Beneficialwarmingfromthesunisverycommon. Whenwarmingsunhappens,itsbenefitmaybe relativelylow.

North-westfacade

Shading

Shading: North-westfacade

Effectivenessofdifferentshadingstrategies

Noshading

BriseSoleil

Thisfacadeseesalowamountofdetrimental overheatinghours. Whenoverheatinghappens,itsimpactislow.

Beneficialwarmingfromthesuniscommon. Whenwarmingsunhappens,itsbenefitislow

Shading: Northfacade

Effectivenessofdifferentshadingstrategies

Noshading

BriseSoleil

Shading: North-eastfacade

Thisfacadeseesalowamountofdetrimental overheatinghours. Whenoverheatinghappens,itsimpactislow.

Beneficialwarmingfromthesuniscommon. Whenwarmingsunhappens,itsbenefitmaybe relativelylow.

Shadingnotneeded.

Shading: North-eastfacade

Effectivenessofdifferentshadingstrategies

Noshading

BriseSoleil

Thisfacadeseesalowamountofdetrimental overheatinghours. Whenoverheatinghappens,itsimpactislow.

Beneficialwarmingfromthesunisverycommon. Whenwarmingsunhappens,itsbenefitcanbequite significant.

Embrace

Shading: Eastfacade

Effectivenessofdifferentshadingstrategies

Noshading

Shading: South-eastfacade

Thisfacadeseesalowamountofdetrimental overheatinghours. Whenoverheatinghappens,itsimpactislow.

Beneficialwarmingfromthesunisextremelycommon. Whenwarmingsunhappens,itsbenefitcanbequite significant.

Embrace

Shading: South-eastfacade

Effectivenessofdifferentshadingstrategies

Toplighting

Impactofsunontoplightingstrategies

Beneficialsun

Cloudy/Benignsky

Detrimentalsun

Providesanetbenefitfor:

Flatskylights

AngledskylightsfacingE,S&W

ClerestoriesfacingE,S&W

Greatfortoplighting

Mixofdiffuseanddirectsun

Improvedthermalcomfort

Betterpassivedesign

Lowerheatingenergy

Predominantconditionfor:

AngledskylightsfacingN

ClerestoriesfacingN

Goodfortoplighting

Mainlydiffuselight

Minimaloverheating

Lowglare

Notcommoninthisclimate.

Ideallyavoided

Benefitsofdaylightoutweighedby:

Reducedthermalcomfort

Reducednaturalventilationpotential

Highercoolingenergy

Astheresidentialscheduleisoftenatnightthis %canbequitehigh.

Toconsiderduringthesetimes: Electriclightingwillberequiredfor adequatelightinginside

Privacymaybeneeded

Glazingmayappearlikeamirrorfrom theinside

Toplighting

Suitabilityofdifferenttoplightinginthisclimate

Clerestoryfacingnorth

Notexposedtomuchdetrimentalsun. Sunoftenprovidesbeneficialwarming.

Daylightfromamixofdirectsunanddiffuselight.

Clerestoryfacingsouth

Notexposedtomuchdetrimentalsun.

Sunoftenprovidesbeneficialwarming.

Daylightfromamixofdirectsunanddiffuselight.

Clerestoryfacingeast

Notexposedtomuchdetrimentalsun. Sunoftenprovidesbeneficialwarming.

Daylightfromamixofdirectsunanddiffuselight.

Clerestoryfacingwest

Notexposedtomuchdetrimentalsun.

Sunoftenprovidesbeneficialwarming.

Daylightfromamixofdirectsunanddiffuselight.

Skylightanglednorth

Notexposedtomuchdetrimentalsun. Sunoftenprovidesbeneficialwarming.

Daylightfromamixofdirectsunanddiffuselight.

Skylightangledeast

Notexposedtomuchdetrimentalsun. Sunoftenprovidesbeneficialwarming.

Daylightfromamixofdirectsunanddiffuselight.

Toplighting

Suitabilityofdifferenttoplightinginthisclimate

Skylightangledsouth

Notexposedtomuchdetrimentalsun.

Sunoftenprovidesbeneficialwarming.

Daylightfromamixofdirectsunanddiffuselight.

Skylightangledwest

Notexposedtomuchdetrimentalsun.

Sunoftenprovidesbeneficialwarming.

Daylightfromamixofdirectsunanddiffuselight.

Unprotectedskylight

Notexposedtomuchdetrimentalsun.

Sunoftenprovidesbeneficialwarming.

Daylightfromamixofdirectsunanddiffuselight.

Monitorskylight

Consideranoverhangforthemonitortoblockoverheatingsun.

Daylightmainlyfromdiffuselight.

Daylightamixofredirectedsunanddiffuselight.

LightPipes

Smallopeninglimitsimpactofoverheatingsun. Doesnotletinanybeneficialwarmingsun.

Daylightofteninsufficientduetocloudyskies.

Outsidespaces

Howoftenoutsidespaceisusable

Anoutsidespaceinthislocationwithoutinterventionwillhavelimiteduse forseatedperiodsof20minutesormore.

Alwaysunusable 15%hrs*

Alwaysusable 1%hrs*

Usablewithintervention 84%hrs*

*Annualoccupiedhrs

Overallrecommendation

Combinewindbreakswithheatingandlighting(+65%hrs*)

Maximuminterventionusability

Outsidespaces

Outsidespaces

Howthisstrategycompares

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