D 6.2 Documentation of Each Study Case CS1 Public Weigh House, Bolzano (Italy) Delivered at M42
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D 6.2 Documentation of each study case CS1 Public Weigh House, Bolzano (Italy) Delivered at M42 EUROPEAN COMMISSION DG Research and Innovation Seventh Framework Programme Theme [EeB.ENV.2010.3.2.4-1] [Compatible solutions for improving the energy efficiency of historic buildings in urban areas] Collaborative Project – GRANT AGREEMENT No. 260162 The European Union is not liable for any use that may be made of the Information contained in this document which is merely representing the authors view Deliverable D6.2 Documentation of each study case Technical References Project Acronym 3ENCULT Project Title Efficient ENergy for EU Cultural Heritage Project Coordinator Alexandra Troi EURAC research, Viale Druso 1, 39100 Bolzano/Italy [email protected] Project Duration 1 October 2010 – 31 March 2014 (42 Months) Deliverable No. D6.2 Dissemination Level PU Work Package WP 6 “Case studies & Transferability” Lead beneficiary P09 “TUD” Contributing beneficiary(ies) P10 “COBO”, P01 “EURAC” Author(s) Dagmar Exner Co-author(s) Francesca Roberti, Alexandra Troi, Elena Lucchi, Tiziano Caprioli, Roberto Lollini Date 31st March 2014 File Name WP6_D6.2_20140331_Documentation of case study 1 2 Deliverable D6.2 Documentation of each study case Table of Content 0 Documentation of CS1: The Public Weigh House .......................................................................... 5 0.1 General Information .............................................................................................................. 5 0.2 Building Assessment ........................................................................................................... 17 0.3 Detailed description ............................................................................................................. 22 0.3.1 Urban Context and Local climate data ........................................................................ 22 0.3.2 Report on history of the building ................................................................................. 34 0.3.3 Building consistency .................................................................................................... 37 0.3.4 Building Energy consumption ..................................................................................... 41 0.4 Constraint condition and protection ..................................................................................... 42 0.5 Selected area of intervention ............................................................................................... 47 0.5.1 Functional area: “Test room”, 1st floor ........................................................................ 47 1 Report on status pre-intervention ................................................................................................. 50 1.1 Analysis of architectural elements ....................................................................................... 50 1.1.1 Thermal envelop ............................................................................................................ 50 1.2 Structural analysis and assessment of moisture ................................................................. 61 1.2.1 U-value determination ................................................................................................... 61 1.2.2 Determination of air tightness ...................................................................................... 65 1.2.3 IR-Thermography .......................................................................................................... 77 1.2.1 Physical and mechanical properties of elements ....................................................... 81 1.2.1 Physical and mechanical properties of elements ....................................................... 82 1.3 Hygrothermal and environmental monitoring ....................................................................... 83 1.3.1 Monitoring results temperatures ................................................................................. 83 1.3.2 Monitoring results humidity ......................................................................................... 99 1.4 Results derived from the application of PHPP ................................................................... 100 1.5 Overall rating ..................................................................................................................... 100 2 Design ....................................................................................................................................... 101 2.1 Simulation ......................................................................................................................... 101 2.2 Planned solutions .............................................................................................................. 101 2.2.1 Solution package ........................................................................................................ 101 2.2.2 Development of an energy efficient heritage compatible window .......................... 104 2.3 Transfer to urban scale concept ........................................................................................ 108 3 Implementation (in the test room) .............................................................................................. 110 4 Summery and conclusion .......................................................................................................... 111 5 Annex 1 - PHPP calculation for status pre-intervention ....................................................... 112 6 Annex 1 - PHPP calculation for status after (hypothetical) interventions ........................... 115 7 Annex 2 - Description of the monitoring system .................................................................. 118 3 Deliverable D6.2 Documentation of each study case 7.1 Monitoring Concept ........................................................................................................ 118 7.2 Monitoring system .......................................................................................................... 118 7.3 Monitoring layout/plans ..................................................................................................... 120 7.4 Thermal transmittance of the exterior walls ....................................................................... 124 7.4.1 Heat flux instruments .................................................................................................. 124 7.5 Blower door test and gas tracing ....................................................................................... 125 7.5.1 Blower door test instruments ..................................................................................... 125 7.5.2 Gas tracing instruments ............................................................................................. 126 7.5.3 Infrared thermography ................................................................................................ 127 7.6 Monitoring system after intervention ............................................................................ 128 7.6.1 General description ..................................................................................................... 128 7.6.2 Measurement of humidity in wooden beam ends (test room) ................................. 128 7.6.3 IR-Thermography: Airtightness of first window prototype ...................................... 130 8 Annex 3 - Case Study organisation ........................................................................................ 132 8.1 Local Case Study Teams (LCS teams) ............................................................................. 132 8.2 LCST formalisation ............................................................................................................ 133 8.2.1 First cooperation agreement (in German) ................................................................. 133 8.2.2 Second cooperation agreement (in German) ............................................................ 138 8.3 LCST meetings ................................................................................................................. 144 8.3.1 Minutes of first “Workshop on windows”, 26th August 2011 ................................... 144 8.3.2 Feedback of the conservator regarding the first window prototype 28th February 165 8.3.3 Minutes of second “Workshop on windows”, 09th April 2013 .................................. 166 8.3.4 Feedback of the conservator regarding the drawings of the second window prototype 13th June 2013 .......................................................................................................................... 173 4 Deliverable D6.2 Documentation of each study case 0 Documentation of CS1: The Public Weigh House 0.1 General Information Location Name and location of building Public Weigh House, Waaggasse 1, I-39100 Bozen Cadastral number: Bp. 269/1, 269/2 Altitude: 269,72 m (above sea level) Heating days: 183 days Heating degree days: 2791 HDD Previous/other locality names Waaghaus Bozen, Casa della Pesa Bolzano Ownership Stiftung Südtiroler Sparkasse, Talfergasse 18, I-39100 Bozen Local legislation The building is a representative example of the building stock of the middle age in the historic city Centre of Bolzano. It is qualified as building of historical and architectonic interest in the Urban Building Regulation Code and therefore admits only respectful interventions of renovation and maintenance.