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Sustainable Renovation

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Over the last 50 years In Italy the majority of the renovations of ancient

building have been focused on the architectural and structural aspects

Diffused

environmental issues

Sustainability ancient

of buildings

Smart City

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Bergamo Upper Town: Citt Alta

October 8, 2012 3

.Upper city surrounded

by Venetian walls built

in 17 th century;

. Old Square;

.Cathedral;

San Vigilio Castle.

but also :

. 3100 inhabitants;

. Residential properties;

. Restaurants

. Shops

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Sustainable renovation of historical buildings in the Upper City

October 8, 2012 4

In this context the challenge is to adapt the new solutions of green energy

to the ancient building without ruining their typical characteristics and

beauty

Reduce

emiissions&

Save Energy

Historical

Heritage

New

Challenge

Manage the dichotomy new way of building

and historical heritage

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Citt Alta residential emissions

October 8, 2012 5

The data from the SEAP 2010 (Sustainable Energy Action Plan) demonstrate that the residential

buildings in the upper city have one of the highest value of carbon emissions per person, equal to

8.28.

Sustainable Energy Action Plan, 2010

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Citt Alta emissions

October 8, 2012 6

In Citt Alta the majority of the houses and buildings used for commercial

activities have the lowest levels of energy certification (F and G).

Low energy certification of houses

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Citt Alta emissions

October 8, 2012 7

These buldings

are normally

heated

High energy

consumption

Conflict between

preservation and

conservation

measures

In Citt Alta there are also a lot of churches (as the cathedral) and

historical buildings used for tourism and cultural purposes (for instance

museums).

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Weak strategies

October 8, 2012 8

The City of Bergamo has already developed a series of strategies of energy

conservation in the construction sector.

The objective of SEAP is to reduce the

emission of carbon dioxide of 20% by

2020.

BUT these activities focused mainly on the procedures for theconstruction ofnew buildingand nowadays a clear plan for sustainablerenovations does not exist

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What does Bergamo need?

October 8, 2012 9

Eco-friendly buildings

Design and

aesthetical

solutions

Investments in

new

technologies

Consistent

Urban PlanningGreen

solutions

Beauty ofhistoricalheritage

Balance

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Examples

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The applied solutions have to be customized for the different buildings and

needs, in order to integrate them with the landscape and dont be

aesthetically invasive

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Questions

October 8, 2012 11

. How can (historic) buildings be conserved andenhanced through energy-efficient measures?

. Which strategies can be taken to adapt (historic)

buildings to new functions and user demands?

. Which options realize an optimum building quality

with the least possible intervention?

Thank You for the Attention