Thiebat, Francesca

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THIEBAT, FRANCESCA

PORTO@iris (Publications Open Repository TOrino - Politecnico di Torino)

03 August 2020POLITECNICO DI TORINORepository ISTITUZIONALESustainable Design: economic and environmental life cycle assessment model / THIEBAT F.. - (2009). ((Interventopresentato al convegno SETAC Europe tenutosi a Goteborg (S) nel May 31- June 4, 2009.OriginalSustainable Design: economic and environmental life cycle assessment modelPublisher:PublishedDOI:Terms of use:openAccessPublisher copyright(Article begins on next page)This article is made available under terms and conditions as specified in the  corresponding bibliographic description inthe repositoryAvailability:This version is available at: 11583/2411331 since:Society of Environmental Toxicology and Chemistry Europe (SETAC Europe)SUSTAINABLE DESIGN ECONOMIC AND ENVIRONMENTAL LIFE CYCLE ASSESSMENT MODELFrancesca THIÉBAT | Architect PhD | Politecnico di Torino | Turin | Italyfrancesca.thiebat@polito.it | francesca@patdesign.it€CO = (X LCC∗ η LCC) + (X GWP ∗ η GWP) + (X CED∗ η CED)IMPACT ASSESSMENT GWP100 (greenhouse effect)GWPkg CO2eq / F.U.CEDMJ / F.U.LCC€ / F.UThe research goal is the definition of an economic-environmental efficiency factor for building design. It will be a useful tool both for designers –to guide choices- and clients –as first control device.The factor, named €CO, integrates the economic aspect into an environmental evaluation model. It is based   on life cycle at the scale of the technical component (building envelope).ENVIRONMENTAL IMPACTS“from cradle to grave”X LCC = Economic PerformanceX GWP = Environmental Performance (Global Warming Potential)X CED = Environmental Performance (Cumulative Energy Demand)ECONOMIC IMPACTS“from cradle to grave”Materials & Methods________________Results________________Discussions & Conclusions_______IMPACT ASSESSMENT CED (Cumulative energy demand)η LCC = Weight of LCCη GWP = Weight of GWPη CED = Weight of CEDIMPACT ASSESSMENT LCC (Life Cycle Costs)Example No. 2WHOLE LIFE COSTWLC = LCC + externalitiesREFERENCES:EPS2000, ExternEl I      t liti:, tDefining the €CO factor is a step toward the integration of Life Cycle Assessment (LCA) and Life Cycle Costing (LCC)         in evaluating building projects.€COIn order to verify and validate the outcome, different methods -derived from published international researches- have been applied to evaluate the same building envelopes.Comparing the results obtained through €CO with other methods, it is possible to affirm that the scale of values is substantially unaltered (examples: see pictures below).OP02 BAU OP02 NIC OP02 OME OP02 ULXGWPLCCWLCExample No. 1BUBBLE DIAGRAMREFERENCES:Mike Ashby: “Bubble theory”, Hunkeler, Lichtenvort, Rebitzer: “Relative life cycle portfolio”l I:i : l t , l , i t t, it : l ti  lif  l tf liOP02 OMEOP02 OMEOP02 OMEGÖTEBORG | SETAC EUROPE 2009 | Protecting Ecosystem Health: facing the challenge of a globally changing environment

Sustainable Design: economic and environmental life cycle assessment model

PORTO Publications Open Repository TOrino

SUSTAINABLE DESIGN ECONOMIC AND ENVIRONMENTAL 
LIFE CYCLE ASSESSMENT MODEL
Francesca THIÉBAT | Architect PhD | Politecnico di Torino | Turin | Italy
francesca.thiebat@polito.it | francesca@patdesign.it
€CO = (X LCC∗ η LCC) + (X GWP ∗ η GWP) + (X CED∗ η CED)
IMPACT ASSESSMENT 
GWP100 (greenhouse effect)
GWP
kg CO2eq / F.U.
CED
MJ / F.U.
LCC
€ / F.U
The research goal is the definition of an economic-environmental efficiency factor for building design. 
It will be a useful tool both for designers –to guide choices- and clients –as first control device.
The factor, named €CO, integrates the economic aspect into an environmental evaluation model. It is based   
on life cycle at the scale of the technical component (building envelope).
ENVIRONMENTAL IMPACTS
“from cradle to grave”
X LCC = Economic Performance
X GWP = Environmental Performance (Global Warming Potential)
X CED = Environmental Performance (Cumulative Energy Demand)
ECONOMIC IMPACTS
“from cradle to grave”
Materials & Methods________________
Results________________
Discussions & Conclusions_______
IMPACT ASSESSMENT 
CED (Cumulative energy demand)
η LCC = Weight of LCC
η GWP = Weight of GWP
η CED = Weight of CED
IMPACT ASSESSMENT 
LCC (Life Cycle Costs)
Example No. 2
WHOLE LIFE COST
WLC = LCC + externalities
REFERENCES:
EPS2000, ExternE
l
 I  
    t liti
:
, t
Defining the €CO factor is a step toward 
the integration of Life Cycle Assessment 
(LCA) and Life Cycle Costing (LCC)         
in evaluating building projects.
€CO
In order to verify and validate the outcome, different methods -derived 
from published international researches- have been applied to 
evaluate the same building envelopes.
Comparing the results obtained through €CO with other methods, it is 
possible to affirm that the scale of values is substantially unaltered 
(examples: see pictures below).
OP02 BAU OP02 NIC OP02 OME OP02 ULX
GWP
LC
C
W
LC
Example No. 1
BUBBLE DIAGRAM
REFERENCES:
Mike Ashby: “Bubble theory”, 
Hunkeler, Lichtenvort, Rebitzer: 
“Relative life cycle portfolio”
l
 I
:
i : l t , 
l , i t t, it : 
l ti  lif  l tf li
OP02 OME
OP02 OME
OP02 OME
GÖTEBORG | SETAC EUROPE 2009 | Protecting Ecosystem Health: facing the challenge of a globally changing environment


Bubble theory”, Hunkeler, Lichtenvort, Rebitzer: “Relative life cycle portfolio”

https://iris.polito.it/retrieve/handle/11583/2411331/54227/thiebat_SETAC_poster.pdf

Sustainable Design: economic and environmental life cycle assessment model

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