project in plan _ affordable housing+ (concept)

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Sustainable Affordable Housing: Triple Dividends and Livelihood Opportunities Beyond Accessibility

Lower-income households- more vulnerable to operating / energy costsreducing quality of life and other necessary expenditures on food, housing, health care, education. Some 30% of U.S. households had gross annual incomes less than $30,000 in 2012. Energy costs in 2014 are projected to account for an average of 26% of their family budgets, before any energy assistance programs.

Source: February , 2014, www.americaspower.orghttp://www.eia.gov/consumption/residential/reports/2009/state_briefs/pdf/tn.pdfNote: (ESC) = East South Central states included : Alabama, Kentucky, Mississippi, Tennessee

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Almost all ESC homes are heated. About two-thirds residential homes heat with electricity, a greater proportion than the U.S. average.

Almost all ESC households use air conditioning equipment, with over 80% using central air conditioners and just a small portion using window/wall units

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United states nr.147

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Sustainable affordable housing concept is essentially based onlower energy consumption and sustainable use of naturalresources, whereby the focus areas are energy and materialefficient products and services, recycling, recovery of rawmaterials, waste utilization, business models, service conceptsand comprehensive solutions to reduce operating costs &improve livelihoods.

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Sustainable Affordable Housing: Triple Dividends and Livelihood Opportunities Beyond Accessibility5

2008年5月12日14時28分，受四川省汶川縣7.8級強震影響，青木川鎮受災嚴重：全鎮1861戶7624人全部受災，463戶1596間房屋倒塌，1397戶6636間房屋嚴重受損；損壞橋樑9處，兩座水庫受損，全鎮電力、通訊中斷，直接經濟損失達1.4億元。

Source: http://wwwb.vito.be/VitoEvenement/inschrijving/isup2010/presentations/sustprod/02-dinsdag/Dominiek%20Vandewiele.pdf

Housing plus+: operative cost saving

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Source: Factor Five

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Passive (and Active) Cooling• Passive Cooling ( designed-in techniques & Green materials):

Shading , Foilage & Openspace ventilation

Refectors , reflective roofs / walls ;

Cooling Towers, Bamboo walls, Solar chimneys;

Earth Tubes, water pipes (rain water) ;

Green Roofs (herbal gardens ); Roof pounds ( organic fish) ;

Thermal Mass: thick slab floor , walls , double brick, Strawbales;

....etc

• Active cooling ( efficient appliances) :

• Ventilation / Evaporative / HVAC / Appliances …etc

Source: http://www.builditsolar.com/Projects/Cooling/passive_cooling.htm

High thermal mass with night ventilation relies on the daily heat

storage of thermal mass combined with night ventilation that cools the mass. The building must be closed during the day and opened at night to flush the heat away.http://www.oikos.com/esb/51/ventialtion.gif

http://www.intertec.info/documents/e/cd200e_passive_cooling_systems.pdf

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Sustainable Affordable Housing: Triple Dividends and Livelihood Opportunities Beyond AccessibilitySource: Factor Five (Weizsaecker, et. al.)

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Building Integration

Active Solar application

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Sustainable Peri-Urban Energy Development Sustainable Peri-Urban Energy Development

Discussion Points :

•Affordability? •Cross subsidy in place ?•Commercialization of a long term operating & monitoring system ?

•Optimization of RE system with increasing demands of mini-grid users ?

On Sustainable development:•Sustainable economic growth?•Equal distribution & accessibility?•In Harmony with Nature? ( or less exploitation of Nature )

Energy Demand AnalysisEnergy types, Exergy , delivered energy,

primary energy, Household, agricultural, tilling

, irrigation, processing, rural industry, cooling,

heating, mechanical, services…etc transport

AlternativeEnergy Access and Services Feasibility studies

Local Resources, Technology, Geography, Policy Program supports

EnergySourcesrenewables, location,

availability, price,

distribution

Spatiality & Infrastructures Location, shape, size, density, communications, mixed land use

Socio-economical,environmental and political variables

Level of Social, economical , ecological developmentsocial costs & benefits, externality & impact analysis

Energy Poverty Indicators

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Social-metabolism (social-ecological system)

an organismic analogy claiming that any social system not only reproduces itself culturally, by communication,

but also biophysically its population, built infrastructure, man-made artefacts, produces and livestocks

through a continuous energetic and material exchange with the natural environment and eventually with other social systems. (Human Ecology Review, Vol. 18, No. 2, 2011 149, Fischer-Kowalski, et al.)

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Energy Service

• end use energy consumption patterns

• local resources & demand analysis

• thermal / conversion & efficiency

• ecosystem / symbiosis

• to integrate community & household economy

• eventual energy transition

eco system & energy structure

local resources renewable

time application

Integrative developmental approach combining community & household economy to achieve economy scales

and better investment values

A wide range of technologies will be necessary to reduce cost by efficiency or productivity , hence the reduction of energy related GHG and increase of Carbon abatement potentials

Source : Energy Technology Perspectives, 2011, IEA

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Example:

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Optimization & Business opportunities Waste to energy Biofuel, Biochar, Biogas :

17

Organic waste

In process

After 10-15 days

The compost are sold as organic fertilizer or soil mixture for golf courses, highway side boards, private gardening,

commercial gardening ..etc.

Waste to profits : end-to-end approach

Community & rural industry wastes

Food waste

Farm Livestock manure

Sewage sludge

Agricultural residues

Industrial organic waste

Household organic waste

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Circular Economy: Synergistic & SymbioticEconomic, Social, physical resilience

Example for Peri-urban community development : tackling untapped resources

Community entrepreneurships / cooperatives , i.e., home care, food catering, handcrafts …etc

example 1Social-metabolismSocial metabolism draws on an

organismic analogy by

claiming that any social system not

only reproduces itself

culturally, by communication, but also

biophysically its population, built

infrastructure, man-made artefacts,

produces and livestock) through a

continuous energetic and material

exchange with the natural

environment (and eventually

withother social systems. (Human

Ecology Review, Vol. 18, No. 2, 2011 149,

Fischer-Kowalski, et al.)

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http://www.unep.org/sustainablesocialhousing/http://www.rmi.org/http://blog.rmi.org/blog_2015_10_12_giving_low_income_families_access_to_clean_energy_and_efficiency

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• PPP & framework

• systemic approach

• created shared value

• Value stream mapping

• Local resources and qualification

• social needs into business strategy

• Technical providers and research institutes

project in plan _ affordable housing+ (concept)

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