Modernism architecture in Germany - p3-pp.de€¦ · MODERNISM ARCHITECTURE IN GERMANY • A...
Transcript of Modernism architecture in Germany - p3-pp.de€¦ · MODERNISM ARCHITECTURE IN GERMANY • A...
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MODERNISM ARCHITECTURE IN GERMANY
• A case-study guide for a sustainable life-cycle managementof a former modern building within the built environment
Presentation by Julius Pahl
Hamburg, 05.04.2016
Nur zu Lernzwecken
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CONTENT
• Introduction
• Theoretical Basics
• Case-study: City-Hof Hamburg
• Crucial points for decision making
• Conclusion Fig. 1: Illustration of “City-Hof
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INTRODUCTION
Nur zu Lernzwecken
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INTRODUCTION
• Background and Motivation
• Problem defintion
• Scope of work
• Limitation
• Methodology Nur zu Lernzwecken
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INTRODUCTION
• Background and Motivation
• Problem defintion
• Scope of work
• Limitation
• MethodologyNur zu Lernzwecken
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INTRODUCTION
Background and Motivation
Nur zu Lernzwecken
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INTRODUCTION
Background and Motivation
Urbanism + Cities + Architecture
Nur zu Lernzwecken
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INTRODUCTION
Background and Motivation
Urbanism + Cities + Architecture
Change Growth Architectural taste(or “Zeitgeist“)
Sustainability
Nur zu Lernzwecken
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INTRODUCTION
Background and Motivation
Urbanism + Cities + Architecture
Change Growth Architectural taste(or “Zeitgeist“)
Sustainability
Nur zu Lernzwecken
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INTRODUCTION
Background and Motivation
Urbanism + Cities + Architecture
Change Growth Architectural taste(or “Zeitgeist“)
Sustainability
Challenge
Nur zu Lernzwecken
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INTRODUCTION
Background and Motivation
Urbanism + Cities + Architecture
Change Growth Architectural taste(or “Zeitgeist“)
Sustainability
Challengehow to handle this complexity within a sufficient wayNur zu Lernzwecken
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INTRODUCTION
Background and Motivation• City-Hof (in
Hamburg, Germany)
• Built in 1956
• Architect: Rudolf Klophaus
• Example of Post-War Modernism
Fig. 2: City-Hof in 1958
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INTRODUCTION
Background and Motivation
Fig. 3: City-Hof in 2015
• City-Hof (in Hamburg, Germany)
• Built in 1956
• Architect: Rudolf Klophaus
• Example of Post-War Modernism
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INTRODUCTION
Background and Motivation• City-Hof (in
Hamburg, Germany)
• Built in 1956
• Architect: Rudolf Klophaus
• Example of Post-War Modernism
Future unknown due to current debate about renovation or reconstruction
Fig. 4: City-Hof facing an unknown future
?? ?Nur zu Lernzwecken
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INTRODUCTION
Problem defintion
Nur zu Lernzwecken
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INTRODUCTION
Problem defintion• Thesis dealt with the issue of renovation or
reconstruction of an existing building erected in post-war Hamburg, Germany
• Movement of Modernism still defined and influenced almost every sphere of life spanning from architecture, arts, literature, societal conditions etc.
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INTRODUCTION
Problem defintion• Thesis dealt with the issue of renovation or
reconstruction of an existing building erected in post-war Hamburg, Germany
• Movement of Modernism still defined and influenced almost every sphere of life spanning from architecture, arts, literature, societal conditions etc.
How to handle Modernism Architecture in Germany?Main research questionNur zu Lernzwecken
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INTRODUCTION
Problem defintionHow to handle Modernism Architecture in Germany?1. Are Modernism architectural characteristics still contemporary
relevant?
2. What role plays the urban environment / design when it comes down to handle the legacy of Modernism architecture?
3. Renovation or reconstruction: which solution is more sustainable facing the life-cycle of a Modernism building in Germany?
4. What aspects should a decision-making checklist include?Nur zu Lernzwecken
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INTRODUCTION
• Background and Motivation
• Problem defintion
• Scope of work
• Limitation
• MethodologyNur zu Lernzwecken
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THEORETICAL BASICS
Nur zu Lernzwecken
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THEORETICAL BASICS
• Modernism - an overview
• History and theory of Modernist architecture
• Vision and legacy: Modernism today
• Modernist buildings in Germany
• Rennovation or reconstruction and the basic process of decision making
Nur zu Lernzwecken
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THEORETICAL BASICS
• Modernism - an overview
• History and theory of Modernist architecture
• Vision and legacy: Modernism today
• Modernist buildings in Germany
• Rennovation or reconstruction and the basic process of decision making
Nur zu Lernzwecken
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THEORETICAL BASICSModernism - an Overview
• Modernism: a sphere spanning roughly from the 1860s through the 1970s
• A counter movement which rejected the traditional past
• Flourished with industrialization and urbanization
• Modernism meant a striving for new forms (e.g. within literature, art, architecture, social order and conditions)Nur zu Lernzwecken
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THEORETICAL BASICSModernism - an Overview
Fig. 5: Different spheres of Modernism
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THEORETICAL BASICSModernism - an Overview
Fig. 5: Different spheres of Modernism
CubismBauhau
s
Modernism
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THEORETICAL BASICSHistory and Theory of modernist architecture
Fig. 5: Different spheres of Modernism
“As a style it is less coherent, its boundaries looser, than, say, classicism. Many critics would
argue that modernism is not even a singular style, that it incorporates a great variety of
aesthetics and sensibilities“Sudip Bose in 2008
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THEORETICAL BASICSHistory and Theory of modernist architecture
• Key facts about modernist architecture:
• Rejection from the past with a deep aversion against typical ornamentation used in preceding spheres (e.g. Art Nouveau)
• Core time: beginning of WWI until end of 1970s
• Typical materials: concrete, steel, glass
• Modernist architects: left-wing tendency with stark focus on socialistic values
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THEORETICAL BASICSHistory and Theory of modernist architecture
• Four buildings to exemplify Modernist architectural aspects
1. AEG-Turbinenwerke (1912)
2. Musterhaus am Horn (1923)
3. Barcelona-Pavillon (1929)
4. Unité d’Habitation (1952)Nur zu Lernzwecken
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THEORETICAL BASICSHistory and Theory of modernist architecture
AEG-Turbinenwerke (1912)
Fig. 6: AEG-Turbinenwerke build by Peter Behrens
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THEORETICAL BASICSHistory and Theory of modernist architecture
Musterhaus am Horn (1923)
Fig. 7: Musterhaus am Horn, build by George Muche in cooperation with all present Bauhaus workshops
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THEORETICAL BASICSHistory and Theory of modernist architecture
Barcelona Pavillon (1929)
Fig. 8: Barcelona-Pavillon by Ludwig Mies van der Rohe, build for former world exhibition in Barcelona
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THEORETICAL BASICSHistory and Theory of modernist architecture
Barcelona Pavillon (1929)
Fig. 9 and 10: Plan of Barcelona-Pavillon and Interior
• Free floor plan
• Floating room
• Floating roof
• Mainly very new materials used; apart from marble wall
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THEORETICAL BASICS
3 Julius PahlMT Presentation
History and Theory of modernist architectureUnité d’Habitation (1952)
Fig. 11: Finished Unité d’Habitation in Marseille, France
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THEORETICAL BASICS
• Modernism - an overview
• History and theory of Modernist architecture
• Vision and legacy: Modernism today
• Modernist buildings in Germany
• Rennovation or reconstruction and the basic process of decision making
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THEORETICAL BASICSVision and legacy: Modernism today
• Critical overview of the legacy
• Timeframe: after Modernism ended and the reminiscence of the buildings produced
1. Reflection was made with a treatise about the end of Modernism; beginning of Post-Modernism and International Style
2. Reflection of the opinion of Modernism from a contemporary point of view
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THEORETICAL BASICSVision and legacy: Modernism today
First results
1. Reason for denial in Modernism lies in non-observance in correlation to the human-scale
2. Functional architecture equated in presence of coldness
3. Broad-scale social failure partly happenedNur zu Lernzwecken
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THEORETICAL BASICSVision and legacy: Modernism today
First results
1. Reason for denial in Modernism lies in non-observance in correlation to the human-scale
2. Functional architecture equated in presence of coldness
3. Broad-scale social failure partly happened
= Rejection of Modernism Architecture Nur zu Lernzwecken
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THEORETICAL BASICSVision and legacy: Modernism today
= Rejection of Modernism Architecture
= Rise of Postmodernism
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THEORETICAL BASICSVision and legacy: Modernism today
= Rejection of Modernism Architecture
= Rise of Postmodernism
• Architecture of remembrance
• “Form follows fiction“
• Use of former architectural elements Nur zu Lernzwecken
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THEORETICAL BASICSVision and legacy: Modernism today
Fig. 12: The Humboldt-Forum in Berlin (currently being erected and replacing the old Berliner Schloss)
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THEORETICAL BASICSVision and legacy: Modernism today
Modernism seems to be on the rise again, as research results suggested
• Started to be classified as a part of history worth to be protected
• Reasons:
• Museums and galleries ran Modernism-related exhibitions
• Growing interest in public (e.g. National Trust in the UK)
• Interview results (e.g. “taste-building process“; “historical content of a city“)
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THEORETICAL BASICS
• Modernism - an overview
• History and theory of Modernist architecture
• Vision and legacy: Modernism today
• Modernist buildings in Germany
• Rennovation or reconstruction and the basic process of decision making
Nur zu Lernzwecken
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THEORETICAL BASICS
Table 1: Statistics about the current building stock in Germany
Building stock in Germany
Buildings with living space among them these areResidential Buildings
TOTAL 18.922.618 18.259.360
erected before 1919 2.655.042 2.444.522
1919 - 1948 2.307.543 2.223.080
1949 - 1978 7.188.157 6.978.881
1979 - 1986 1.828.250 1.783.004
1987 - 1990 736.588 716.906
1991 - 1995 1.153.484 1.121.640
1996 - 2000 1.434.704 1.402.653
2001 - 2004 790.074 776.095
2005 - 2008 594.658 583.946
2009 - 2011 234.118 228.633
Modernist buildings in Germany
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THEORETICAL BASICS
Table 1: Statistics about the current building stock in Germany
Building stock in Germany
Buildings with living space among them these areResidential Buildings
TOTAL 18.922.618 18.259.360
erected before 1919 2.655.042 2.444.522
1919 - 1948 2.307.543 2.223.080
1949 - 1978 7.188.157 6.978.881
1979 - 1986 1.828.250 1.783.004
1987 - 1990 736.588 716.906
1991 - 1995 1.153.484 1.121.640
1996 - 2000 1.434.704 1.402.653
2001 - 2004 790.074 776.095
2005 - 2008 594.658 583.946
2009 - 2011 234.118 228.633
Modernist buildings in Germany
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THEORETICAL BASICSModernist buildings in Germany
Basement Area
(Internal) building area
Roof area Pollutants Facade / exterior wall / outer area
Rising humidity (due to nonexistent or defective seal)
Beam heads not viable anymore (timber structures only)
Lacking air seal
Mineral fiber or rock wool insulation
Minimum thermal insulation non-existent
Maceration (timber structures only)
Soundproofing not valid anymore (concerning legal requirements)
Weak beams Preservatives (only timber)
Original windows not valid anymore (concerning legal requirements)
Rusty steal joists
Microbial pollution Asbestos Mold
Non existent or defective horizontal barrier
Thin concrete ceiling (non-sufficient static load)
Parquet adhesive
Salts Mold Formaldehyde
Cracked plaster PCB
Cracks in masonry
Thermal bridges (triggers sweeping humidity)
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46
THEORETICAL BASICS
• Modernism - an overview
• History and theory of Modernist architecture
• Vision and legacy: Modernism today
• Modernist buildings in Germany
• Rennovation or reconstruction and the basic process of decision making
Nur zu Lernzwecken
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47
CASE-STUDY:CITY-HOF HAMBURG
Nur zu Lernzwecken
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48
CASE-STUDY: CITY-HOF HAMBURG
• Overview: City of Hamburg
• The City-Hof in Hamburg
• History and life-cycle overview of the City-Hof
• City-Hof for sale?
• City-Hof: A building investigation
• Results and first conclusionNur zu Lernzwecken
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49
CASE-STUDY: CITY-HOF HAMBURG
• Overview: City of Hamburg
• The City-Hof in Hamburg
• History and life-cycle overview of the City-Hof
• City-Hof for sale?
• City-Hof: A building investigation
• Results and first conclusionNur zu Lernzwecken
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50
CASE-STUDY: CITY-HOF HAMBURGThe City-Hof in Hamburg
Fig. 13: The City-Hof in Hamburg in 2015
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51
CASE-STUDY: CITY-HOF HAMBURGThe City-Hof in Hamburg
Fig. 14: The City-Hof from above, 2010
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52
CASE-STUDY: CITY-HOF HAMBURGThe City-Hof in Hamburg
Fig. 15 & 16: Location of City-Hof Nur zu Lernzwecken
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53
CASE-STUDY: CITY-HOF HAMBURGHistory and life-cycle overview of the City-Hof
• Purpose was to give an in-depth overview about the historical developments of the City-Hof
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54
CASE-STUDY: CITY-HOF HAMBURGHistory and life-cycle overview of the City-Hof
• Purpose was to give an in-depth overview about the historical developments of the City-Hof
1900 1924
Fig. 17: “St. Johannis“ monastery Fig. 18: Competition entry from Klophaus & HorchNur zu Lernzwecken
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55
CASE-STUDY: CITY-HOF HAMBURGHistory and life-cycle overview of the City-Hof
1924 1938
Fig. 19: Winning proposalsFig. 20: Proposed headquarter for Hamburg Hochbahn byKlophausNur zu Lernzwecken
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56
CASE-STUDY: CITY-HOF HAMBURGHistory and life-cycle overview of the City-Hof
1950s 1957
Fig. 21: Early design of City-Hof by Klophaus
Fig. 22: City-Hof after its completion
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57
CASE-STUDY: CITY-HOF HAMBURGHistory and life-cycle overview of the City-Hof
• Hard facts:
• Architect: Rudolf Klophaus
• Total plot size: 5.700 m2 / GF: 32.000 m2 / usable space: 24.000 m2; office usage
• 4 high-rise towers with intermediate free space between them
• Three of these with 11 levels; one with 12
• Shopping passage on the ground (spanning 140m with 3.000 m2)
• Underground parking area with 400 parking spaces
• Newly developed facade material “LECA“ (Light Expanded Clay Aggregates)
Nur zu Lernzwecken
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58
CASE-STUDY: CITY-HOF HAMBURGHistory and life-cycle overview of the City-Hof
1957
• Life-cycle developments
• Modification of facade material in 1970s to eternit layer system
• Change to plastic windows in 1970s
• Extension of space with use of container for main tenant in the 2000sNur zu Lernzwecken
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59
CASE-STUDY: CITY-HOF HAMBURGHistory and life-cycle overview of the City-Hof
1957
• (Urban) developments
• City-traffic planning
• Resettlement of harbor
• Decline of neighboring trade marketsNur zu Lernzwecken
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60
CASE-STUDY: CITY-HOF HAMBURGHistory and life-cycle overview of the City-Hof
1957 2006
Leasehold expired: City-Hof fell back to municipal asset
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61
CASE-STUDY: CITY-HOF HAMBURGHistory and life-cycle overview of the City-Hof
2015
City-Hof was declared as a heritage building in 2013
Fig. 23: City-Hof in 2015
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62
CASE-STUDY: CITY-HOF HAMBURG
• Overview: City of Hamburg
• The City-Hof in Hamburg
• History and life-cycle overview of the City-Hof
• City-Hof for sale?
• City-Hof: A building investigation
• Results and first conclusionNur zu Lernzwecken
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63
CASE-STUDY: CITY-HOF HAMBURG
• Overview of reasons
• 1956 - 2006: leasehold by “Gemeinschaft der Bauherren Johanniswall“
• After lease had fallen back, the City-Hof was owned by the City of Hamburg
• Building seemed to be in devastating conditions (impression of facade and underground parking)
• Main tenant: Bezirksamt Mitte (Municipal office of Hamburg-Mitte)
• City of Hamburg had a contractual agreement with a real-estate consortium about a new location for Bezirksamt Mitte
City-Hof for sale?
Nur zu Lernzwecken
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64
CASE-STUDY: CITY-HOF HAMBURG
• Analysis of invitation for tender
• since final overtaking of the plot, two calls for tender were executed
1. March 2012: complete deconstruction and rebuilding of building
• was withdrawn in October 2012 as “location issues for the new district office were not solved yet“
City-Hof for sale?
Nur zu Lernzwecken
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65
CASE-STUDY: CITY-HOF HAMBURG
• Analysis of invitation for tender
• since final overtaking of the plot, two calls for tender were executed
1. March 2012: complete deconstruction and rebuilding of building
• was withdrawn in October 2012 as “location issues for the new district office were not solved yet“
2. Second half of 2014 - August 2015: two options possible (renovation or reconstruction)
• although City-Hof is under protection, landlord still offered reconstruction as a possibility
City-Hof for sale?
Nur zu Lernzwecken
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66
• Analysis of invitation for tender
• although City-Hof is under protection, landlord still offered reconstruction as a possibility
CASE-STUDY: CITY-HOF HAMBURGCity-Hof for sale?
“City of Hamburg guarantees on behalf of a declaration made by the Hamburg Heritage Authority a demolition, if the most economical solution will be chosen.“
• This particular declaration was not possible to be found.
• Statement by the former executive director of the Hamburg Heritage Authority connotes that the Authority had been forced to give this statement by the Hamburg Senate (against its conviction)
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67
• Analysis of invitation for tender
• Impression arose that the City of Hamburg aims for a reconstruction:
• Argumentation about application of heritage protection law
• Offering of a bigger plot for the option of a new construction
• Feasibility study by an external party commissioned by the City of Hamburg; negative outcome
CASE-STUDY: CITY-HOF HAMBURGCity-Hof for sale?
Nur zu Lernzwecken
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68
CASE-STUDY: CITY-HOF HAMBURG
• Reflection of commissioned study by the landlord
• “holistic approach concerning a confrontation of investment costs and revenue potential for a renovation of the existing building“
• study conducts its relevance from Hamburg Heritage law suit
• inconsistencies appeared by reflecting the study:
1. Case-study parameters questionable
2. appearance of in-transparency due to concealing of significant results
City-Hof for sale?
Nur zu Lernzwecken
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69
CASE-STUDY: CITY-HOF HAMBURG
• Reflection of commissioned study by the landlord
• “holistic approach concerning a confrontation of investment costs and revenue potential for a renovation of the existing building“
• study conducts its relevance from Hamburg Heritage law suit
• inconsistencies appeared by reflecting the study:
1. Case-study parameters questionable
2. appearance of in-transparency due to concealing of significant results
City-Hof for sale?
• Credibility of study in relation to the second tender is questionable
Nur zu Lernzwecken
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70
CASE-STUDY: CITY-HOF HAMBURG
• Overview: City of Hamburg
• The City-Hof in Hamburg
• History and life-cycle overview of the City-Hof
• City-Hof for sale?
• City-Hof: A building investigation
• Results and first conclusionNur zu Lernzwecken
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71
CASE-STUDY: CITY-HOF HAMBURG
• Method
• Rough analysis for a fundamental decision making with minor modifications due to widened focus of research questions
• Modified method based on condition assessment with selection of collected influential factors
City-Hof: A building investigation
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72
CASE-STUDY: CITY-HOF HAMBURG
• Discussed topics:
1. Technical overview
2. Economical analysis
3. Ecological particularities
City-Hof: A building investigation
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73
CASE-STUDY: CITY-HOF HAMBURG
• Discussed topics:
1. Technical overview
2. Economical analysis
3. Ecological particularities
4. Legal framework
5. Urban conditions
City-Hof: A building investigation
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74
CASE-STUDY: CITY-HOF HAMBURG
7 Julius PahlMT Presentation
• Technical overview
• Bearing structure
• Basement conditions
• Pollutants
• Conditions of the facade
City-Hof: A building investigation
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75
CASE-STUDY: CITY-HOF HAMBURG
• Technical overview: Bearing structureCity-Hof: A building investigation
Fig. 24: Adjustment points for bearing structure of City-Hof
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76
CASE-STUDY: CITY-HOF HAMBURG
• Technical overview: Basement conditionsCity-Hof: A building investigation
Fig. 25 & 26: Damages in the basement on supports and protection layers
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77
CASE-STUDY: CITY-HOF HAMBURG
• Technical overview: FacadeCity-Hof: A building investigation
Fig. 27: LECA-elements attached to the facade
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78
CASE-STUDY: CITY-HOF HAMBURG
• Economical AnalysisCity-Hof: A building investigation
Nur zu Lernzwecken
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79
CASE-STUDY: CITY-HOF HAMBURG
• Economical AnalysisCity-Hof: A building investigation
Rent prices Prices used by sell horn + hafkemeyer (2014)
Prices related to market statistics (2015)
Office space 14,00 € p. m2 18,00 € p. m2
Residental space 11,50 € p. m2 13,10 € p. m2
Retail space 22,00 € p. m2 22,00 € p. m2
Parking space 90,00 € p. space 90,00 € p. space
Table 3: Rental price comparison Nur zu Lernzwecken
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80
CASE-STUDY: CITY-HOF HAMBURG
• Economical AnalysisCity-Hof: A building investigation
Values used by sellhorn + hafkemeyer (2014)
Values related to market statistics (2015)
Yield 80.113.000 € 93.960.440 €
Table 4: Recalculated yield
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81
CASE-STUDY: CITY-HOF HAMBURG
• Economical AnalysisCity-Hof: A building investigation
Values used by sellhorn + hafkemeyer (2014)
Values related to market statistics (2015)
Yield 80.113.000 € 93.960.440 €
According to the calculated investment costs of 86.176.000 € the outcome would be positive
Table 4: Recalculated yield
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82
CASE-STUDY: CITY-HOF HAMBURG
• Legal FrameworkCity-Hof: A building investigation
Nur zu Lernzwecken
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83
CASE-STUDY: CITY-HOF HAMBURG
• Legal Framework
• Hamburger Bauordnung (HbauO)
• Hamburger Denkmalschutzgesetz (HDenkG)
City-Hof: A building investigation
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84
CASE-STUDY: CITY-HOF HAMBURG
• Legal Framework
• HDenkG:
• actual task of heritage protection is to protect, keep and maintain the heritage buildings
• City of Hamburg should act as a role model concerning its own building stock
City-Hof: A building investigation
Nur zu Lernzwecken
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85
CASE-STUDY: CITY-HOF HAMBURG
• Legal Framework
• HDenkG:
• §4, §7 and §9 state this in detail
• Denkmalschatzamt (Heritage protection authority) plays a key role
City-Hof: A building investigation
Nur zu Lernzwecken
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86
CASE-STUDY: CITY-HOF HAMBURG
• Legal Framework
• Authority classifies the City-Hof as worth to be protected
• Relevance as a representative of post-war architecture
• Architecture represents the style of Modernism
• Essential architectural element: white LECA-facade
City-Hof: A building investigation
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87
CASE-STUDY: CITY-HOF HAMBURG
• Urban conditions
City-Hof: A building investigation
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88
CASE-STUDY: CITY-HOF HAMBURG
• Urban conditions
• Urban surroundings and special significances
City-Hof: A building investigation
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CASE-STUDY: CITY-HOF HAMBURG
• Urban conditions
City-Hof: A building investigation
Fig. 28: A lowering defined with tallness of buildings in correlation to lowering of landscape
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CASE-STUDY: CITY-HOF HAMBURG
• Urban conditionsCity-Hof: A building investigation
Fig. 29: Diagonal pattern in correlation with a fragment of the former Wallring
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CASE-STUDY: CITY-HOF HAMBURGCity-Hof: A building investigation
Fig. 30: UNESCO world heritage with buffer zone
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CASE-STUDY: CITY-HOF HAMBURGCity-Hof: A building investigation
• Conclusion
• the building can and should be kept (=renovation)
• City-Hof is a contemporary witness of Modernism
• Building substance is in sufficient condition
• Heritage protection law applies fully due to the economical viability
• The City of Hamburg as a landlord acts in a way that is legally untenable
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CRUCIAL POINTS FOR DECISION MAKING
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CRUCIAL POINTSDECISION MAKING
• Technical overview
• Pollutants
• Thermal related building components
• Economic analysis
• Ecological particularities
• Legal framework
• Urban conditionsNur zu Lernzwecken
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CONCLUSION
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CONCLUSION
• Overview
• Research questions
• Outlook
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CONCLUSION
• Overview
• Research questions
• Outlook
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CONCLUSION
1. Are Modernism architectural characteristics still relevant?
2. What role plays the urban environment / design when it comes down to handle the legacy of Modernism architecture?
3. Renovation or reconstruction: which solution is more sustainable facing the life-cycle of a Modernism building in Germany?
4. What aspects should a decision-making-checklist include?
Research questions
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CONCLUSION
Overall question: How to handle Modernism Architecture in Germany?
• Modernism enjoys a critical position within the built environment
• Modernism (architecture) is part of a significant historical timeframe and should be preserved and handled in the same way others are treated
• accounts especially for the awareness and respect of applied law-suites in correlation to the credibility of defined societal core values
Research questions
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OUTLOOK
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OUTLOOK
For further and deeper investigation of the studied topic, the following points should be examined more deeply:
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OUTLOOK
For further and deeper investigation of the studied topic, the following points should be examined more deeply:
• Technical overview
• Economical analysis
• Current building stock
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CURRENT AFFAIR
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CURRENT AFFAIR
Fig. 31, 32 and 33: The City-Hof in Hamburg is still discussedNur zu Lernzwecken
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LIST OF FIGURES AND TABLES
List of figuresFig. 1: Illustration of “City-HofFig. 2: City-Hof in 1958Fig. 3: City-Hof in 2015Fig. 4: City-Hof facing an unknown futureFig. 5: Different spheres of ModernismFig. 6: AEG-Turbinenwerke build by Peter BehrensFig. 7: Musterhaus am Horn, build by George Muche in cooperation with all present Bauhaus workshopsFig. 8: Barcelona-Pavillon by Ludwig Mies van der Rohe, build for former world exhibition in BarcelonaFig. 9 and 10: Plan of Barcelona-Pavillon and InteriorFig. 11: Finished Unité d’Habitation in Marseille, FranceFig. 12: The Humboldt-Forum in Berlin (currently being erected and replacing the old Berliner Schloss)Fig. 13: The City-Hof in Hamburg in 2015Fig. 14: The City-Hof from above, 2010Fig. 15 & 16: Location of City-HofFig. 17: “St. Johannis“ monasteryFig. 18: Competition entry from Klophaus & HorchFig. 19: Winning proposalsFig. 20: Proposed headquarter for Hamburg Hochbahn byKlophausFig. 21: Early design of City-Hof by KlophausFig. 22: City-Hof after its completionFig. 23: City-Hof in 2015Fig. 24: Adjustment points for bearing structure of City-HofFig. 25 & 26: Damages in the basement on supports and protection layersFig. 27: LECA-elements attached to the facadeFig. 28: A lowering defined with tallness of buildings in correlation to lowering of landscapeFig. 29: Diagonal pattern in correlation with a fragment of the former WallringFig. 30: UNESCO world heritage with buffer zoneFig. 31, 32 and 33: The City-Hof in Hamburg is still discussed
List of tablesTable 1: Statistics about the current building stock in GermanyTable 2: Typical problem in buildings erected between 1945 - 1978Table 3: Rental price comparisonTable 4: Recalculated yield
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THANK YOU!
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