An Economic And Environmental Total Life Cycle
Costing Methodology And A Web-based Tool For
Environmental Planning Of Buildings
Author(s)
S. M. Haddad, F. Haghighat & S. Alkass
Abstract
This research is a translation of the international Kyoto protocol into practical
steps towards effective environmental planning in the building industry. This
research develops a methodology to quantify environmental impacts of building
materials to be used along with standard life cycle costing evaluation (LCC)
resulting in total life cycle costing (TLCC).
Based on the developed methodology, the economic LCC of building
materials is calculated according to the ASTM’s standard methodology, while
their environmental impact is first quantified in tones of CO2, based on Global
Warming Potential (GWP), and then translated into monetary value to be used in
the environmental impact LCC. Quantification of studied materials emission is
done with the help of \“SimaPro”, a professional life cycle assessment tool,
considering their total life span. Monetary value of quantified CO2 emission is
then taken from actual CO2 stock markets (i.e. Point Carbon:
www.pointcarbon.com). Total life cycle costing (TLCC) is then calculated from
both the estimated economic and the environmental impact LCCs.
The methodology aims at a number of building professionals: 1) designers, 2)
material specification writers and quantity surveyor, 3) permit authorities, 4)
research groups, 5) developers, and 6) manufacturers. The methodology is
supported with a web-based design tool named \“EconoEnviroTLCC Tool”. The
tool’s main goal is to put the developed methodology into practice by building
professionals to better plan to achieve sustainable buildings. The tool enables its
users to evaluate LCC, environmental LCC and total life cycle costing (TLCC)
of partial and/or complete building envelope elements. The tool’s results are
presented in tabular and graphic formats.
Keywords: life cycle costing, environmental impact, building materials, building
envelope, environmental design support tool.
Keywords
life cycle costing, environmental impact, building materials, building
envelope, environmental design support tool.
Related Book
Other papers in this volume
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