sustainable renovation (urban issue) assoc prof dr dalia bardauskien ė , 2014
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Sustainable renovation (urban issue) Assoc Prof Dr Dalia Bardauskien ė , 2014. The question of sustainable urban renovation. Very often renovation is dealing with enhancement of physical , energy and financial issues of the building. - PowerPoint PPT PresentationTRANSCRIPT
The question of sustainable urban renovation
1. Very often renovation is dealing with enhancement of physical , energy and financial issues of the building.
2. Sustainable renovation is a system of measures for improvement the quality of life and livability of the cities.
Sustainable urbanrenovation ( buildings + urban
surroundings = livable city)The quality of urban
surrounding:• Green areas • Public spaces• Children play grounds• Socio infrastructure• Noise pollution prevention• Refuse storage • Parking• Connection to the public
transport, • etc.
)
Livability of the cities:• Renovation of districts• Integrated complex
solutions,• Planning priorities • People values• Adding property values,• Creativity
“A stable marriage between city and country” (Mumford,L., 1961)
From the XIX century the cities are widening their dormitory areas, decentralizing their functions, taking people outside the cities to the green areas:
• Garden cities (E.Howard 1989) • Modern cities (Radiant city, Le
Corbuzier), • New Towns (UK, France, US, Brazil,
China, India, Elektrėnai (Lithuania), kt. • INTA
Urban sprawl to the green field
Urban sprawl or suburban sprawl is a multifaceted concept centered around the expansion of auto-oriented, low-density development.
Criteria's: history, culture, traditions, market, other
Brown field development is not popular as green…
The term "Brownfield site" means the expansion, redevelopment, or reuse of property, which may be complicated by the presence or potential presence of a hazardous substance, pollutant, or contaminant, effective use of devastated sites in the inner urban areas, re-use of urban land and infrastructure.
Urban sprawl in green field is still popular, because allowed to avoid the burdens and limitations what have all the projects developed in the cities
THE COSTS OF suburban DEVELOPMENT ?
Hidden subsidies for 1 dwelling in Greenfield development reaches 25 000 US dol. (Lockwood, C. (1999), HUD (1999))
Brownfield development allow to save: 20 - 40% land resources 15 - 25% need of traffic and social infrastructure7 – 15% need of water sources and cleaning plants
Vilnius brownfield potential 500 ha
In the centre 10 ha
Sustainable urban models (Global Eco cities survey 2011)
• Sustainable city• Eco-city,• Green city,• Smart city, • Slim city, • Compact city, • Zero energy city,• Low carbon city,• Etc.
Criteria's: •the max use of sun energy,•O energy use •40% of green areas (if not possible to use the green roof)• the use of local materials•priority for public transport•harmony of people and nature, not for the new technologies.
“The European Green Capital Award ”Copenhagen - green sustainable
city• Till 2015 - World Capital of
Bicycles ( 50 % citizens will use the bycicle for the every day communication (in 2010 - 35 %),
• Till 2025 - CO2 neutral city (75% CO2 reduction would be reached by using in the centrakized heating system renewable energy
• Priority - natural and cultural heritage protection.
Re - naturalization(Canada)
Trend: to focus on natural environment as part of all the projects, especially in the case of brown field development. lauko “ atveju ir ją atkurti.
Economical value: the growth of of the real estate value objects, prestis,
Socio cultural values:Connection with natural
landscape, the aesthetic of the areas gyventojai gauna sąlytį su gamta, vietos meniškumas.
The model of Lower Don re-naturalizacion project, 2006m.
Green standards (Canada)
• LEED• Toronto city has specific
“Green development standard”. Every one who wont to get a permission needs to follow the requirements
• http://www.toronto.ca/planning/environment/greendevelopment.htm.
Following standard "Transolar“ (Germany) organization and Frank Gehry implementing a skyscrapers http://www.theglobeandmail.com/arts/art-and-architecture/king-street-vision-what-makes-frank-gehry-great/article4591861
Stuttgart (Germany) Green Roofs In Stuttgart, Green Roofs have
been regulated in development plans.
Till 2008:• 12 ha green roofs are
established on the living houses,
• 220 ha green roofs on the industrial building, garages.
In order to make Green Roofshappen the administrationand the city council acted in
concert. Agreed onthe ecological and economic
benefits of green roofs. Stuttgart - 600 000 citizens
Impact of commercial technologies A lot of new, sophisticated
technologies are used in the cities, but by 2050 :
• we will need three times more resources – 140 billion tons annually
• 60% of our ecosystems underpinning these resources are degraded.
• And without efficiency gains, by 2030, we will need 40% more water than we can access.
“Full tanks, empty stomachs”Eco fuel is using to much water
which is necessary for the agriculture.
'Towards Efficient use of water resources in Europe' from the European Environment Agency (EEA) Mar 29, 2012
Eko city Tianjin (Kinija). Commercial technologies used for the city are very expensive.
Aesthetics and identity of the place are cosmopolitic
Master planning and Urban sprawl
Total area : 410 sq km; Planned new areas for the construction – 3000 ha,Live - 530 000 citizensPlanned - 570 000 citizens, could live - 1 132 000
RYGA
VILNIUS
40,80
68,6
47,4
23,530,930,2
13,78,3 6 2,1 1 1,6 2,8 1,4 0,5 0,1
0,00
50,00
100,00
150,00
200,00
1 3 5 7 9 11 13 15Atstumas nuo miesto centro (km)
gyve
ntoi
ų/ha
Problemos: Funkcinės ir fizinės struktūros efektyvumas
Economical issue – low density and dispers structure
Minimal density of urban structures 30 gyv./ha