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Sustainable integrated planning

“Best practices“ of Sustainable, Green Corporate Architecture & integrated planning with Energy Efficiency & Renewable Energy 4. DANI PASIVNE KUĆE U HRVATSKOJ Arhitektonski fakultet, Zagreb 4th DAYS OF PASSIVE HOUSE IN CROATIA University of Zagreb / Faculty of Architecture, 4.-6.11.2011. Charlotte Juhl Koch & Jürgen Koch Dipl.- Ing. architect BDA / VDI Koch Architekten 4greenArchitecture Düsseldorf Germany Email: juhlkoch@kocharchitekten.com Skype: www.4greenBuilding.com

Member of

Charman of the Technical Division Architecture (VDI) Association of German Engineers

ENDORSER

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innovation

with

competence

and

passion www.kocharchitekten.c om © 102

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GreenBuilding Architecture ENDORSER

Green architecture ( private & public ) Sustainability + green hospitality, green hotels Energy efficiency - new buildings & refurbishment Basic of Green City & Urban Marketing Strategies Corporate Social Responsibility (CSR) Corporate Environmental Commitment

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Koch Architekten

www.Kocharchitekten.com

green architecture office retail home culture Member of Endorser interior tourism education © 102

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Energy A deep concern in all our project work is to reduce the CO2 burden on our environment and the energy costs. Dynamic simulation models enable us to optimise future energy consumption even before the plans are drawn. The use of daylight control reduces the consumption of electricity for lighting, and at the same time increases the quality of the comfort in our buildings. And not least the environment is protected by our Green Building Concepts and the use of renewable energies.

We do this with:

Integrated planing © 102

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Green Building Integrated Planning – Integrated Energy Design (IED) A team of architects and engineers from Germany together with local Croatian Partners develop individual solutions from the very first draft to the optimization of the building, even in operation. © 102

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A good idea - but not enough ! new aims - new concepts - new face Architecture / Design & Technology

Solar Car Generation © 102

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SUSTAINABILITY Balance between: Ecology Economy Social aspects © 102

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ENERGY EFFICIENCY for

Buildings Traffic Industrial Production Agricultural Production Energy Production & Consumption

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ENERGY from RENEWABLES Global Potentials

Sun & Daylight Wind Water/Hydro Earth-Temperature Forestry-Biodiversity Biomass Waste © 102

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In 2022 Germany will close down their last nuclear power plant in operation! © 102

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Comfort • • • • • •

A

Total evaluation of indoor climate Thermal criteria for the winter (class B) Thermal criteria for the summer (class A+) Criteria for air quality and ventilation (class B) Criteria for lighting (class B/C) Criteria for indoor acoustics (class B)

B

C

D

E

F

G

H

I

J

Evaluation of comfort

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Heat insulation

verification

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Short overview of the int. Green Building certifications and the German Sustainable Building Seal (DGNB)

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Eco-Rating

Energy Efficiency & Sustainable building A big potential in refurbishment of buildings

How big is your demand per m²…. ? …….. and your carbon foot print …? What do you do to reduce the CO2 emission ....................? © 102

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The “Spherion“- Deloitte Headquaters Düsseldorf (Germany) Energy Efficiency 60 KWh/m²/year

Office of the Year 2004

Best Office 2004

GreenBuilding 2008

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GreenBuilding and Corporate Architecture Deloitte´s „Spherion“ daylight architecture

Integrated planning (IED) © 102

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Energy optimisation starts with surface/ space optimisation Workplace

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Workplace “The modern secretary“

11m²/workplace n stead of/reduced from 21m²/workplace

comfortable, flexible, homelike, communicative, sustainable, energy-saving © 102

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Application of light-directing glass in upper window area, shading louvers in the lower part of windows (Spherion office building, Düsseldorf)

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Redirection of sunlight vertical & horizontal

©

Vertikalschnitt

Außen

Innen

Glas profiliertesGußglas Acrylglasprofileim Scheibenzwischenraum

Sectional view

Operation mode of SGG Lumitop © - vertical redirection

Effect of vertical redirection (wall recessing) of SGG Lumitop ©

Horizontalschnitt

Außen

Innen besondersprofiliertesGußglas zurHorizontalumlenkungdes Sonnenlichts

Glas

Acrylglasprofileim Scheibenzwischenraum

Ground plan

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under the roof © 102

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bridges

atrium © 102

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GreenBuilding „Spherion“ by night

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Spherion GreenBuilding Sustainability + energy efficiency = rise in value Nachhaltigkeit + Energieeffizienz = Wertsteigerung Costs per workplace not per m2 are important! Kosten pro Arbeitsplatz, nicht pro M2 rechnen! structural working place costs - 31% (in relation to the old situation) Im Vergleich zu früher 31% der Kosten pro Arbeitsplatz eingespart

irtschaftlich erfolgreich!

Energy prices 2003

Economically successful

Projected construction costs were e projektierte Baukosten wurden unterschritten! undercut © 102

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greenbuilding 2008 Bank Building, Düsseldorf, Germany

Fiber concrete precast elements

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Conference centre with roof terrace & view over Düsseldorf City

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Daylight redirection

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Geothermal potential Geothermisches Potential

How big is the geothermal potential? Wie hoch ist die geothermische Ergiebigkeit ? © 102

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That´s not future

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Crash plan (HVAC)

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Innovative, compact GreenBuilding construction

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CO2 emissions kg/m²a

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Down town – due to innovative construction methods - only a small build on-site was needed © 102

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+ an extra floor possible due to slim, innovative construction

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View from the daylight flueted conference room of the innovative Green Building Bank

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GREEN BUILDING 2008

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Building optimisation revitalisation / refurbishment Simulation of indoor-climate and air-flow computer fluid dynamics (CFD) Villa Hügel, Essen

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Integration of renewables in new buildings Kolumba, Museum of the Diocese of Cologne

In cooperation with Peter Zumthor, architect.

• geothermal energy • simulation of thermal behaviour + air-flow • CFD (computer fluid dynamics)

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Substantial renovation / energetic refurbishment ThyssenTrade Center (38.000 m²), Düsseldorf Office concept Fire protection Building services Energy concepts Double working places Improve the comfort Reduce the energy consumption Ambition: GreenBuilding certification EU © 102

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Refurbishment ThyssenKrupp,Düsseldorf

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new work

38.000 qm

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. Light redirection lamellas and daylight / presence sensors . Activation of concrete ceiling by rander integrated chilled room surfaces (by capillary systems) . Air and heat pump, district heating L

Building services

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Building simulation / Energy concept

V1

V2

V3

V4

Bestand

Standard

Komfort

Komfort+

Personendichte

7,5 W/m²

10 W/m²

10 W/m²

10 W/m²

Grundbeleuchtung

19 W/m²

13 W/m²

13 W/m²

13 W/m²

X -

X -

X X -

X X X

Übersicht Varianten Interne Lasten Sonnenschutzglas Abbildung 4

Zonenübersicht

SSG 62/44 SSG 50/25 Kühlsegel /-decke Flure / Mittelzonen belüftet

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Figure 5 Annual temperature profile office building before renovation: (hygienic minium change of air ventilation)

Before renovation

light on/off

T west

facade

T limit,

26°C

T surroundings

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Figure 9 Annual temperature profile office building after renovation: Comfort Activation of concrete ceiling by rander integrated chilled room surfaces

After renovation

T west facade T limit,

light ein/aus

26°C

T surroundings

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Figure 18

Operational costs overview: long-distance heating / air heat pump „WISAG“, Variante 3b

250,000 €

- 19%

- 26%

- 45.059 € / Jahr

- 60.932 € / Jahr

200,000 €

With lamellas for light redirection

Operation costs Betriebskosten

93,503 €

150,000 €

-

93,503 €

93,503 € 58,580 €

100,000 €

- 31%

- 42% -

46,154 €

-

38,077 €

50,000 €

85,758 € 53,125 €

-

45,329 €

€ Fernwärme

V 3b

Fernwärme + WP "Standard"

Fernwärme + WP "WISAG"

Precondition - aim for a GreenBuilding Certification after renovation: Energy reduction of at least 25% compared to the former condition (due to EnEV 2007 (German ordinance to energy saving ) Qualifications for GreenBuilding certification; More than fulfilled!

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Figure 20 Amortisationszeit Luftwärmepumpe vs. Kältemaschine

Air heat pump amortization time vs. cooling machine (entire building) 600,000 €

Investitionskosten Kapitalgebundene Kosten (4% Zinsen)

500,000 €

Kapitalgebundene Kosten (5% Zinsen) Verbrauchsgebundene Kosten (Preissteigerung: Strom* 4.2%, Öl, Gas* 13.3%)

400,000 €

(Mehr-)Kosten

(additional) costs

Verbrauchsgebundene Kosten (Preissteigerung: Strom* 3.1%, Öl, Gas* 5.2%)

300,000 €

200,000 €

100,000 €

-

€ 0

* Wirkungsgradbereinigt

2

4

6

8

Year

10

12

14

16

18

20

Jahre

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Figure 21 Lichtlenk-Jalousie Amortization time ofAmortisationszeit light redirection jalousie/louvers (entire building) 600,000 €

Investitionskosten Kapitalgebundene Kosten (4% Zinsen)

500,000 €

Kapitalgebundene Kosten (5% Zinsen)

(additional) costs (Mehr-)Kosten

Verbrauchsgebundene Kosten (Preissteigerung: Strom* 3.1%, Öl, Gas* 5.2%) Verbrauchsgebundene Kosten (Preissteigerung: Strom* 4.2%, Öl, Gas* 13.3%)

400,000 €

300,000 €

200,000 €

100,000 €

-

€ 0

* Wirkungsgradbereinigt

2

4

6

8

Year

10

12

14

16

18

20

Jahre

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Once upon a time . . .

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New work now © 102

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Story front hall and lift entrance

Before

After

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Meeting-Point instead of tea kitchen in the center of the open office space

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open space

meeting point © 102

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Opatia = Aptei /abbey - History is the basic of the future © 102

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Refurbisment in Hotels from the 60th and 70th

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Specific yearly energy demand for heating Jährlicher spezifischer Heizwärmebedarf einschließlich Warmwasser (incl. hot water)

300

250

200

ca. -90% 150

100

50

0 Bestand (Existing)

Sanierung (Refurbishment)

Heizwärme

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Picture 1

w a Green Building Corporate Architecture – Innovation with Competence and Passion - www.KochArchitekten.com r green buildings energy concepts new work education research development urban design - juhlkoch@KochArchitekten.com m

Heizenergieeinsparung Heat energy saving ●

Heat warming


Facade sketch

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Quick refurbishment with pre-finished facade elements

Schnelle Sanierung mit Fassadenfertigteilen

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Yearly specific primary energy need Jährlicher spezifischer Primärenergiebedarf 450 400 350

- 45%

300

- 55%

250 200 150 100 50 0 Bestand Before refurbishment

Abbildung 2

Primärenergieeinsparung

Sanierung V1

Sanierung V2

Refurbishment V1

Refurbishment V2

Strom

Wärme

Primary energy saving for electricity and heating © 102

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Environmental Awareness and Sustainable Consumption Climate neutral lifestyle: Consumers off to a good start in climate protection =

LOHAS (Lifestyle of Health and Sustainability) © 102

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LOHAS - A 245 € billion market segment in the United States (growth app. 10%a/y) -

A 375 € billion market worldwide (estimated to represent approximately 40% of the population in a very few years to come).

LOHAS are consumers and a target group passionated about: The planet, environment, social issues, health, about human rights, relationships, fair trade, sustainable practices, peace, spiritual and personal development. They tend to make their purchasing decisions in keeping with their values of social and environmental responsibility. They can afford „living“ what they believe in as they are mostly well educated and have a reasonable income. Part of their conviction and life (style) is:

Sustainable Living & Working with Environmental Commitment! © 102

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“What is good for me is also good for the environment“ Mrs. LOHAS Public infrastructure Food Consume (normal end-user)

Electricity Heating Mobility

( LOHAS)

Organic Fair Trade

• Lives in a well-insulated multiple dwelling • Car-sharing • Cycling favoured over car driving for short trips • Uses green electricity • Purchases organic food • Purchases energy-efficient appliances („A++ devices”) • Supports environmental associations

CO2-saving by others Further information: http://www.umweltbundesamt.de/umweltbewusstsein-e/klimaneutral-leben.htm

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Our “career & consumer fellow“ Public infrastructure Food Consume

(normal enduser)

Electricity Heating Mobility

( our “career & consumer fellow“ )

CO2-saving by others

(CO2-saving by others)

Further information: http://www.umweltbundesamt.de/umweltbewusstsein-e/klimaneutral-leben.htm

Career professional – an executive who is on the go a lot, always under time pressure. Money is no object for him, although time is. The details of everyday life are not on his mind. Activities: Offset payment for total CO2eq emissions (naturally according to „Gold Standard“)

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Green Retail CO²-neutral (carbon neutral) supermarket, Worldwide first Retail Building awarded “GOLD“ by the DGNB (German Sustainable Building Council).

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Holistic building evaluation Certification system together with BMVBS (Federal Ministry of Transport, Building and Urban Affairs)

Label of Sustainability, 6 topics Environmental 49 criteria Commitment & Quality Certification also for “mixed-use” buildings possible

Individual sensible solutions possible = good for innovation and „thinking out of the box“ DGNB has the reputation of being the worlds most ambitious Sustainable Green Building Code by now

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REWE´s Business Philosophy is Sustainability

“Climate Protection Partner 2010” in Berlin

GOLD

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Thermal insulation standard (EnEV-requirements vs. future supermarket) Comparison of thermal insulation standard sample market vs supermarkt of the future 0,60

0,50 sample market

u-data [W/m²K]

0,40

0,30

Reduction by 63%

sample market

Reduction by 50%

0,20

supermarket of the future

0,10

supermarkt of the future

0,00 Dach roof

Wand wall

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Green Building Corporate Architecture – Innovation with Competence and Passion - www.KochArchitekten.com green buildings ● energy concepts ● new work ● education ● research ● development ● urban design - juhlkoch@KochArchitekten.com


Sustainability starts more than 300 years ago in German forestry The forest is therefore deap implemented in the Germans heart. This tree belongs to the old German Tradition. At the same time it is the origin and meaning of “Sustainability”.

1. Price 2010

To care for the Forest, but to use it actively, too.

One of the biggest “Carbon Eater“ in the World !

That´s why the tree is Germany´s symbol of Sustainability

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Sustainable Forestry 2011 - International Year of Forest + COP 17 in Durban (South Africa) end of 2011 The same business volume as the automobile business in Germany, 160 Mrd. €/a A chance also for Croatia and neighbouring countries to reduce the CO2-emission

Sustainable Forestry

Education & Jobs

Houses & wooden Products

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Building Integrated Photovoltaic (BIPV)

Sustainable wooden + recyclable building materials © 102

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Use of Daylight gives a natural atmosphere and saves money for lighting / electricity. Opening hours from early morning until midnight

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REWE Green Building in Berlin, worldwide first DGNB in GOLD 2010

Worldwide first DGNB retail project awarded Gold - opened 05.11.2009 + Store of the Year 2010, Climate Protection Partner Berlin 2010, 1. Price “Most Environmental friendly Retail Buildings 2010” by B.A.U.M. , nominated for the Sustainability Award EU 2010

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Simulation

Daylight

(direct solar radiation)

Without skylight

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Simulation

Daylight

(direct solar radiation)

With skylight

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Green Building Corporate Architecture – Innovation with Competence and Passion - www.KochArchitekten.com green buildings ● energy concepts ● new work ● education ● research ● development ● urban design - juhlkoch@KochArchitekten.com


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Energy Efficiency & Renewable Energy

DGNB gold

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Renewable solutions like integrated photovoltaic help regulating light and heat input + serve for thermal insulation

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Turn over + 20% (comparable due to an old market on the same site before)

IED, Integrated Energy Design The Building Integrated Photovoltaic (BIPV) modules were integrated into the front glass roof. The customer gets aware of the renewable energy supply and the sustainable, esthetical approach. In this way photovoltaic and renewables turn into a visible symbol of Sustainability. A marketing tool, raising Awareness, too. © 102

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435 Tons of CO2 Emission savings

A 12 meter high tree was planted in front of the supermarket as a symbol of „Sustainability“ and a link to the origin of the wooden constrution and use of wood based materials. © 102

Green Building Corporate Architecture – Innovation with Competence and Passion - www.KochArchitekten.com green buildings ● energy concepts ● new work ● education ● research ● development ● urban design - juhlkoch@KochArchitekten.com


Sustainability the „carrying“ the REWE symbolized through

structure of WOOD

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Care for the individual tradition, finding solutions for a sustainable future © 102

Green Building Corporate Architecture – Innovation with Competence and Passion - www.KochArchitekten.com green buildings ● energy concepts ● new work ● education ● research ● development ● urban design - juhlkoch@KochArchitekten.com


Commitment to Sustainability & Integrated Energy Design + Responsible acting - solutions for Croatia and the Globe + Corporate Social Responsibility (CSR) for a Sustainable & Green Urban Future We care 4greenArchitecture and the Environment = www.KochArchitekten.com E-mail: juhlkoch@KochArchitekten.com

GreenArchitecture Skype : www.4greenBuilding.com with

Energy efficiency and renewable

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Sustainable integrated planning  

Charlotte Juhl Koch, dipl.ing.arh. i Jürgen Koch, dipl.ing.arh. (Koch Architekten 4greenArchitecture, (Düsseldorf, D) Sustainable integrated...

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