Funded

by

Astrong alignment towards sustainability and economic and social compatibility formed the basis for this project. The project has been

promoted by the German Federal Ministry for Economy and Technology a national funding program, EnOB, focusing on energy ef cient building and construction. Thanks to thermally ef cient accumulators, compact building geometry, as well as the use of natural resources for heating, cooling and ventilation, the Paul-Wunderlich-Haus uses 70 percent less energy than comparable buildings. The widespread use of glass ensures transparency and natural light. References to the historic urban environment ensure perfect integration into the old town of Eberswalde and the division into ve separate buildings structures the volume of the complex as a whole.In this way, we have not only rejuvenated the historic street areas and have closed a space of more than a hectare that was left vacant through war time bomb damage. We have also created an inviting atmosphere for employees and visitors to the complex. The site has become a valuable part of local life – with its shops, event venues and the Paul Wunderlich collection. As a result, this model project deserves to carry the name of the town’s most famous inhabitant: graphic artist and sculptor, Paul Wunderlich.

The Paul-Wunderlich-Haus repeals the traditional idea of administrative buildings. Instead of long, gloomy

and deserted corridors, our building is a transparent, future-oriented workspace located in the city center of

Eberswalde.The design is the result of a Europe-wide architectural competition.

Project Data

Client: Administrative District of BarnimLocation: Pavillonplatz 1, 16225 Eberswalde, Germany

Building Cost: 24.9 Millions € | 1,300 €/m² Net Floor AreaGross Floor Area: 22,000 m²Construction Period: November 2005 - May 2007Workplaces: 550

Contact: mail@gap-arch.de www.gap-arch.de

Schöneberger Straße 15 10963 Berlin / Germany fon 0049 |0| 30 25 7946 - 0 fax 0049 |0| 30 25 7946 - 66

Basic Building Information

Ground oor Reconstruction of the city

A Sustainable Contribution to Administrative Reform.

Paul-Wunderlich-Haus, Eberswalde

Funded

by

Architectural Presentation

Of ce core zone of the combination

The program for administration of the district of Barnim, situated next to Berlin is divided into four buildings which respectively accomodate

different departments such as the head of ce. Every building has its own identity and its own infrastructure, making sure that, if necessary, each of them can be used separately from the remaining use. The ground oor mostly accommodates spaces for public access such as shops and little restaurants. The head of ce accommodates an exhibition of the famous artist Paul Wunderlich which is open to the public every day.

The upper oors are occupied by the district administration. The design represents the new image of service-orientation. The exible spaces are designed under the consideration of optimized use of daylight and good acoustic damping. Consequent application of ecological building materials and an ef cient ventilation system ensure high air quality.

New urban spaces

City Plan

The urban design is based on the idea of a critical but digni ed reconstruction of the city. The new structure ties carefully up with the

existing patterns and reinforces the urban space heavily damaged in the last few days of World War II. The goal is to connect the patchwork of reanimated urban spaces with new ones and thus creating new associations based on today´s needs. The result is a modern city center, in which the past is mixed with new for the city inhabitants to have a vital urban life.

Staircase

Mixed Usage

Paul-Wunderlich-Haus, Eberswalde

Funded

by

Energy piles

buffer storage

reversibleheat pump(heating + cooling)

nocturnal ventilation mode

exhaust air

oor heating / cooling

core zone of ce

mass storagecooling

recoolingplant

fresh air

exit air

heat recovery 80 %

exhaust air

bipartitevenetian blind

intake air

intake air

To optimize the public services the administration is organized in different

ways and in different room structures. The modular design of façade and technical equipment allow the accommodation of these room structures of ce in appropriate layouts as well as of ce alterations within little time and material expenses:

Energy Concept

The heating system uses the soil as a heat source in winter via the foundation posts equipped by water driven tubular heat exchanger.

Heat pumps generate the low temperature level as required. In summer the earth can be used directly as a heat sink; the peak load is covered by a reversible heat pump. PV panels (640 m², 80 kWp) are provided for the roof of the multi-storey car park adjacent to the so called „Kopfbau“. This system is to be realized contemporarily by a contracting solution. In addition, an extension of the PV system of approx. 40 kWp is intended on the south façade. Back coolers on the roofs allow an active regeneration of the pile heat exchanger system and thus for a favorable overall system performance.

Daylighting and Electric Lighting

The exterior solar shading consists of bipartite Venetian blinds providing daylight access via the top area deeply into the space. The position

of the blinds in the lower area will be optimized according to daylighting performance. The shading devices are controlled façade-wise and oor-wise as a function of solar irradiation and indoor temperature. In addition, an interior glare control can be positioned according to individual users demand manually. Electric lighting for the workplaces is provided by standing lights developed individually for this project. These lamps have a relation between indirect and direct magnitude dependent on the space depth (indirect proportion rises with increasing room depth).The standing light is automatically controlled by a light sensor. A presence sensor switches to a general lighting level of 100 lux automatically. Then the lighting level can be operated by the user via workstation (from 100 lux to 300 or 500 lux). The core zones of the combination of ces are supplied with daylight indirectly via glazed of ce doors and glass partitions. There, the electric lighting is controlled by daylight response and by a switch-on-and-off occupancy sensor.

Lighting concept for of ces and core zone

Usage Examples

a.| The combination of ces consist of homebases of 8 m² at least, disposed at the outer facades. The core zone provides common infrastructural devices for collective use. Via the transparently glazed partitions of the homebases the core zone will allow indirect view to urban life and into the leafy courtyards as well as.

b.| Large group of ces are equipped with audibly effective alternative walls and partition. Areas that are easy to observe by the public are equipped by acoustical protected rooms

c.| Traditional cellular of ces are located in areas accessible for the public but still providing extensive privacy as much as possible.

Usage concept

min. 12,40 (vari iert)

min. 3,90 (variiert)

min. 12,40 (vari iert)

M

4,70 10 10 3,60

ZellenbüroZellenbüro

3,60 2 5,08 10 3,60

3,60 2 1,18 3,90 10 3,60

Kombizone Home BaseHome Base

min. 12,40 (vari iert)

KombizoneGruppenbereich

3,6021,587,20

3,6021,584,80 min.1,80 (vari iert)

min.12,40 (variiert)

Home Base

4,20 3,00 1,50 10 3,60

8,70 10 3,60

Arbei tsko jen Kontaktbereich

MitarbeiterZone

min. 12,40 (vari iert)

Building Potential | Actual PerformancePaul-Wunderlich-Haus, Eberswalde

Energy concept

An energy ef cient oorlamp has been developed especially for this project

Foundation Consist of 530 Energy Piles out of 850 Piles

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core zone

corridorcore zone100 lux2 W/m²

of ce

manual glare protectiondevice moveable frombottom to top(and vice-versa)

3,00 m3,60 - 5,40 m

500 lux8 - 12 W/m²

lightre ection

control bymovement detectors and brightnesssensors

daylight responding dimming by sensoroccupancy control switches lighting (100 lux) on and off

3,2

7 m

operation of shading device via automation system (lighting level and temperature) and manually override

This

sid

e fa

cing t

o t

he s

treet

Funded

by

Highlights of Assessment ResultsPaul-Wunderlich-Haus, Eberswalde

While operating costs are con rmed for the electricity

as well as water and sewage of the reference values, the advantages of the requests from the funding programme appear very clearly with the values for the demand for space heating and hot water. The operating costs run only 20-25 percent of the average administration building costs of e.g. Lower Saxony County. Compared with the Oscar Study 2004, this cost fraction is even only 15 percent approximately.

Building Mass

Mass ow analysis is the evaluation of the building mass (in kg). LEGEP collects the material ows in so-called inventories. They contain all products and building material that a building consitst of.

Primary Renewable Energy

In MJ, energy was tabulated on the basis of renewable sources: geothermal, renewable fuels such as biomass fermentation gas and natural forces such as sun, wind and hydropower.

Primary Non-renewable Energy

Non-renewable energy in MJ documented that it was converted from the basis of renewable sources: In order to electricity production of 1 kWhel it is always exact or a mix of the conversion factors for coal, oil, natural gas, and nuclear energy.

Greenhouse Potential

For greenhouse potential (stated in kg CO2-equivalent) carbon dioxide is areference value. Uprating of greenhouse gases is largely due to human activities, which enhance the natural greenhouse effect and lead to global warming.

Acidity Potential

Impact category to describe the potential acidi cation of rain as a result of the issuance, etc. of sulphur dioxide, Nitrogen oxides and ammonia, as sum parameter identi ed and in kilograms SO2 equivalent.O2 equivalent denoted.

450

350

250

150

500

400

300

200

0

100

50

fabrication a period over80 years

600

550

650

[ kg

per

m²

]

1.800

1.400

1.000

600

2.000

1.600

1.200

800

0

400

200

2.400

2.200

fabrication a period over80 years

2.600

[ MJ

per

m²

]

1.800

1.400

1.000

600

2.000

1.600

1.200

800

0

400

200

2.400

2.200

fabrication a period over80 years

2.600

[ MJ

per

m²

]

2,5

2,0

1,5

1,0

0

0,5

3,0

fabrication a period over80 years

3,5

[ kg

SO

2 -

eq p

er m

² ]

20

- 40

- 80

40

0

- 20

- 60

- 160

- 100

- 120

80

60

100

[ kg

CO

2 -

eq p

er m

² ]

fabrication a period over80 years

- 140

4,5

3,5

2,5

1,5

5,0

4,0

3,0

2,0

0

1,0

0,5

Eur

o Heating / Hot WaterWater / WastewaterElectricity

[�/m²*a] [�/m²*a] [�/(kWh*m²*a)]

Reference | OSCAR 2004Reference | Lower Saxony 2003

Screen BuildingDistrict Administrator

Department IIDepartment I

Department III

Limit SolarBau / EnOB

90

70

50

30

100

80

60

40

0

20

10

110Primary EnergyFinal EnergyThermal Heat

[ kW

h / m

²*a]

Projects that are supported by the EnOB funding programme have not

to exceed the following energy target values. All gures reference to the net oor area of buildings:

* Heat demand:

40 kWh/m²a

* Final energy for HVAC including electric lighting:

70 kWh/m²a

* Primary energy for HVAC including electric lighting:

100 kWh/m²a

Operating Costs Energy Demand Final / Primary Energy

Ecological Loads

EnBau project

statistical mean * Paul-Wunderlich-Haus

240

200

160

120

0

40

260

220

180

140

60

100

80

20

nal

/ pr

imar

y E

nerg

y [k

Wh/

m²a

]

Primary energy **Final energyPrimary energy **Final energy

Limit primary energyPassive house

54

77

43

15

54

4

33

17

8

12

14

4

12

6

3

4

5

1

20

70

16

6

20

1

Lighting

Heating

Cooling

HVAC Drives

Hot Water

Fan Energy

* typical of ce buildings in Germany, Austria and Switzerland (1990-2000)

** primary energy factor for electricity 3.0 reference parameter = Net Floor Area (NFA)

Ground Floor Area = GFA

Primary Energy of Non Renewable Energy Sources

Final Energy / Primary Energy of Renewable Energy Sources

Total Energy, (A+B) annual data monitored predicted X

CO2 Emissions (CO2 equivalent)

Potable Water Demand/Consumption, annual data l/pers 3,150

Construction Cost, price level 2007

Operating Costs, annual, price level 2007

A

B

C

D

E

F

G

[kWh/m²GFA]

[kWh/m²GFA]

[kWh/m²GFA]

[kg/m²GFA]

[l/m²GFA]

[EUR/m²GFA]

[EUR/m²GFA]

Summary of Key Performance Indicators (KPI)

93

-

93

16.58

121

1,150

26.10

88

31

Pas

sive

hou

se

Ne

w m

ulti

-fam

ily h

ous

e

Ne

w d

etac

hed

hom

e

De

tach

ed h

ome,

poo

rly

mod

erni

zed

rel

ated

to e

nerg

y

Mul

ti-fa

mily

hou

se, p

oor

ly

mod

erni

zed

rel

ated

to e

nerg

y

Ave

rage

res

iden

tial b

uild

ing

Goo

d r

eno

vatio

n of

det

ache

d ho

me

rela

ted

to e

ner

gy

Primary Energy - 93 kWh / (m²a)

Final Energy - 31 kWh / (m²a)

‹‹ Assessment results acccording to energy certi cate compared to several energy related building standards

Screen BuildingDistrict Administrator

Department IIDepartment I

Department III

armored concrete ( 20 cm ) | thermal insulation composite system ( 140 mm ) | grounding | plaster | dispersion

timber frame | mineral rock wool ( 180 mm ) | ber cement | Plasterboard | mineral rock wool ( 40 mm )timber frame | mineral rock wool ( 120 mm ) | wood panelling | wood panelling | Plasterboard | silicate-dispersion

wood, pile and bolt construction ( 6 / 16 cm ) | glass façade ( u =1,1 ) | scumble

15

204520

Material mix in % forfaçade construction