Lepech+LCA+110511

Lepech+LCA+110511 - Life Cycle Modeling and Assessment CEE...

Info iconThis preview shows pages 1–15. Sign up to view the full content.

View Full Document Right Arrow Icon
Life Cycle Modeling and Assessment CEE 100 Managing Sustainable Building Projects Mike Lepech Stanford Civil & Environmental Engineering May 11, 2011 1
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
What is sustainability? 2
Background image of page 2
Is this Sustainability?
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Nature as a model – Industrial Ecology “The industrial ecosystem would function as an analogue of biological ecosystems. (Plants synthesize nutrients that feed herbivores, which in turn feed a chain of carnivores whose wastes and bodies eventually feed further generations of plants.)” Frosch and Gallopoulous, 1989 4
Background image of page 4
Material Processing Use Manufacture & Assembly Retirement & Recovery Service Disposal Raw Material Acquisition recycling reuse Production/Consumption Processes and Material/Energy Flows remanufacture
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Human Needs Production & Consumption Activities Material & Energy Flows Changes in Ecosystem States Populations Sustainability Indicators Social Demographic Indicators Economic Indicators Ecological Indicators Sustenance Clothing Shelter Health Manufacturing Construction Agriculture Services Education Utilities Infrastructure Recreation Materials Resource Use Energy Resource Use Waste/Emissions Atmosphere Lithosphere Hydrosphere Biosphere
Background image of page 6
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
• What is sustainability? • Life Cycle Assessment • Sustainability Modeling, ISO, and Process-based LCA • LCA Results • Case Studies – Consumer Products • Integration with Project Delivery Processes • Software and Homework Tasks 8 Outline
Background image of page 8
LCA Standards ISO: International Organization for Standardization LCA standards are voluntary Part of 14000 Environmental Management Series LCA Standards: – 14040 Principles and Framework – 14041 Goal and Scope Definition and Inventory Analysis – 14042 Impact Assessment – 14043 Interpretation – 14020 series: Environmental Labeling 9
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
LCA Requirements (ISO:14040) Goal and scope definition Inventory analysis Impact assessment Interpretation 10
Background image of page 10
Goal and Scope • Goal of the study – State the intended application – Identify the intended audience • Scope of the study – Function and functional unit – System boundaries – Data requirements/assumptions/limitations – Critical review and report format 11
Background image of page 11

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Functional Unit • Function – Service provided by system; performance characteristics of the product • Functional unit – Means for quantifying the product function – Basis for an LCA – Reference for normalization of input and output data 12
Background image of page 12
Material Processing Use Manufacture & Assembly Retirement & Recovery Service Disposal Raw Material Acquisition recycling reuse Air pollutants (e.g., Hg) Water pollutants (e.g., BOD) Solid waste (e.g., MSW) Products (e.g., goods, services) Co-products (e.g., recyclables, energy) remanufacture Processes and flows are spatially and temporally distributed Primary Materials (e.g., ores, biotic resources) Recycled Materials (open loop recycling) Primary Energy (e.g., coal) Capital ($) Labor (e.g., human labor, biological labor) 13 Process-based LCA
Background image of page 13

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
System Analysis – Process Flow Diagram
Background image of page 14
Image of page 15
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 56

Lepech+LCA+110511 - Life Cycle Modeling and Assessment CEE...

This preview shows document pages 1 - 15. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online