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Danube University Krems Department for Building and Environment Center for Architectural Heritage and Infrastructur

International Conference in Interdisciplinary Research Cooperation Center of Excellence Telč (CZ) 30 th October – 1 st November 2013. Holistic analysis as a basis for the renovation of box-type windows. Dr. sc. techn. Dipl. Arch . ETH Christian Hanus.

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Danube University Krems Department for Building and Environment Center for Architectural Heritage and Infrastructur

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  1. International Conference in Interdisciplinary Research CooperationCenter of Excellence Telč (CZ)30th October – 1st November 2013 Holistic analysis as a basis for the renovation of box-type windows Dr. sc. techn. Dipl. Arch. ETHChristian Hanus Danube University KremsDepartment forBuildingand EnvironmentCenter forArchitecturalHeritageand Infrastructure
  2. Old buildingoftheDanube University Krems Café Virginier, 1922 Collection NÖLAK, 1988 Danube University Krems, 2011 1919-22Constructionofthefactorybuildingforthe „ÖsterreichischeTabakregie“, designedbyarchitectPaul Hoppe 1991Shutdownofthetobaccoproduction 1987ffStepwiserenovationandreorganisation 1995Setting-upoftheDanube University Krems in theoldfactory 2011 Recognition oftheneedforrenovationofwindows
  3. Baseline Christian Hanus Eminent damagepatternson windows (mainlysouthand west) Latestrenovationofthewindows was in themiddleofthe 1990s usingacrylicresinpaints Conditions: historicalmonumentandfederalprocurementlaw
  4. Definition ofrenovationversions schematic diagram of the renovation versions version 2 aditionalglazingatthe interiorcasement actualstate singleglazing in the interiorandexteriorcasement version 3 heatprotectionglazing in the interiorcasement version 1 k-glassin the interiorcasement version 4 newwindowwith a tripleheatprotectionglazing Christian Hanus
  5. Definingtheevaluationcriteria Buildingphysicalcriteria- thermal bridges, condensation- energeticbalancing- daylighting- summeroverheating Environmental buildingcriteria- global warming potential- acidification potential- primaryenergycontent Economiccriteria- renovationcosts- lifecyclecosts Monument conservationcriteria- appearance- original substance Christian Hanus
  6. Buildingphysicalcriteria I 1 2 3 4 ENERGETIC BALANCING Determination ofthephysicalvalues UW-valueheattransfercoefficient [W/m²a] nairchange rate [h-1] g-value total solar energytransmittance [1] Christian Hanus [A] measurement: tracer-gas, thermal sensor [B] calculation, simulation: calumen, EN-ISO 10077-1 [C] productdata: baubook [D] estimation: interpolatingvalues [E] guidelines, standards: OIB RL 6, EN 672, EN 410 [A,B,E] [B,C] [B,C] [C,E] [B,C] [A,B] [D,E] [D,E] [D,E] [D,E] Christian Hanus [B,C] [B,C] [C,E] [C,E] [B]
  7. Buildingphysicalcriteria I 1 2 3 4 ENERGETIC BALANCING Calculationoftheenergyperformancecertificate(simplifiedprocedureÖNORM H 5055 - 5059,2002/91/EG (EPBD),programmecotech 3.0) Rudolf Passawa, Bernhard Kram, Christian Hanus ecotech GmbH
  8. Buildingphysicalcriteria I 1 2 3 4 SUMMER OVERHEATING Nocturnalhypothermianot allowed (windowsclosedbynight) Insufficientnumberofhungwindowsforventilation Partitioningofofficesandseminarrooms Christian Hanus
  9. Buildingphysicalcriteria I 1 2 3 4 DAYLIGHTING Modellingoftheseminarroom SE 1.1(relux®, lightlab) Assessment ofthedaylightconditionsaccording ÖNORM B 5034 Conclusionstootherroomsin thebuilding ChristianHanus relux®-graphic,, simulation: Gregor Radinger
  10. Buildingphysicalcriteria I 1 2 3 4 DAYLIGHTING Simulation time: 23rd March at 9:01 am (10‘000 lx) actualstateP: TLQ = > 2%Ø TLQ = ~ 4% V1 P: TLQ = 2% Ø TLQ = ~ 3% V2P: TLQ = 2% Ø TLQ = ~ 3% V3P: TLQ = 1,5% Ø TLQ = ~ 2,5% V4P: TLQ = 1,5% Ø TLQ = ~ 2,5% relux®-graphic,, simulation: Gregor Radinger
  11. Buildingphysicalcriteria I 1 2 3 4 DAYLIGHTING Evaluation ofthedaylighttransmittance(productdate, calumen) Evaluation ofthecolorrenderingfactor(productdate, calumen) Calculationoftheproportionofglass Christian Hanus Christian Hanus
  12. Environmental criteria I 1 2 3 4 EVALUATION PARAMETERS Primary energycontent(PEIneTGH-SAN) Global warming potential (GWPTGH-SAN) Acidification potential (APTGH-SAN) FM Plus GmbH Christian Hanus
  13. Economiccriteria I 1 2 3 4 Procedure Determiningthecostsfortherenovation(constr. Index costs, experience, builders) Calculationoflifecyclecosts(standard ÖNORM B 1801-2, excellFloegl) Identificationofcostfactors Accountingfor 30 years FM Plus GmbH Helmut Floegl, Christian Hanus
  14. Preservationcriteria I 1 2 3 4 Objectivesandprinciples Preservingtheoriginal substance(additive and reversible mesasures) Preservingthehistoricappearance(harmonicaddition) Guideline oftheFederal Monument Office„Energieeffizienz am Baudenkmal“ (2011) Venice Charter (1964) Christian Hanus Christian Hanus
  15. Final evaluation I 1 2 3 4 Christian Hanus
  16. TABLEOFMETHODOLOGYOFTHEHOLISTICANALYSISOFTHEBOXWINDOWRENOVATION TABLEOFMETHODOLOGYOFTHEHOLISTICANALYSISOFTHEBOXWINDOWRENOVATION OBJECT ANALYSIS HISTORY CONCEPTION OF VERSIONS PRESERVATION BUILDUNG PHYSICS ECONOMICS AND REAL ESTATE FACILITY MANAGEMENT DAYLIGHTING
  17. Thank you for your attention
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