Lecture 10 (Outline)

Lecture 10 (Outline) - Outline 1. Announcements 2. LCA 3....

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Outline 1. Announcements 2. LCA 3. What are engineers doing today with respect to sustainability? 4. Eco-effectiveness 5. Professionalism Exercise 6. The Profession Nov. 17 & 22, 2010 ENG 1P03 2010 Lecture 10 2
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ANNOUNCEMENTS Nov. 17 & 22, 2010 ENG 1P03 2010 Lecture 10 3
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TA Evaluation Avenue Engineering Level 1 Surveys 1C, 1D & 1P TA Evaluation Please complete it for each of your 1C, 1D, & 1P TA‟s by the end of Monday, November 17 th Nov. 17 & 22, 2010 ENG 1P03 2010 Lecture 10 4
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1P Lecture Attendance Nov. 17 & 22, 2010 ENG 1P03 2010 Lecture 10 5
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Team Visits Most teams have had an interview. For Tuesday teams please make an appointment to see Dr. Fleisig. Nov. 17 & 22, 2010 ENG 1P03 2010 Lecture 10 6
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LCA Nov. 17 & 22, 2010 ENG 1P03 2010 Lecture 10 7
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Nov. 17 & 22, 2010 ENG 1P03 2010 Lecture 10 8 “Sustainable development is development that meets the needs of the present without compromising the ability of future generations to meet their own needs.” Brundtland Commission Our Common Future Oxford University Press 1987
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Project Expectations Explain impact of sustainability on your project. Is it considered in the stakeholders? Is it considered in the objectives? Perform a rudimentary LCA: compare the current situation to the proposed design for every combination of environmental stressor and life stage. Nov. 17 & 22, 2010 ENG 1P03 2010 Lecture 10 9
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The environmentally responsible product assessment matrix (SLCA matrix) Environmental stressor Material choice Energy use Solid residues Liquid residues Gaseous residues Life stage Pre- manufactur e 1,1 1,2 1,3 1,4 1,5 Product manufactur e 2,1 2,2 2,3 2,4 2,5 Product delivery 3,1 3,2 3,3 3,4 3,5 Product use 4,1 4,2 4,3 4,4 4,5 Refurbishme nt, recycling, disposal 5,1 5,2 5,3 5,4 5,5 ENG 1P03 2010 Lecture 10 10 Nov. 17 & 22, 2010
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WHAT ARE ENGINEERS DOING? Nov. 17 & 22, 2010 ENG 1P03 2010 Lecture 10 11
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Example: Navajo Bridge in AR Simple bridge across Marble Canyon but fierce opposition from local native tribe and Bureau of Land Management Solution: Talk with all entities involved BEFORE designing anything Design with these constraints in mind: respect for land, functionality, long term, aesthetics, etc. The new Navajo Bridge in Grand Canyon National Park is the only crossing of the Colorado River for a stretch of 600 miles. The $15 million steel arch bridge carries traffic across Marble Canyon, 470 feet above the Colorado River. The 1929 Navajo Bridge remains a pedestrian bridge. High strength steel was used in the new bridge in order to be visually compatible with the historic bridge and its setting. ENG 1P03 2010 Lecture 10 12 Nov. 17 & 22, 2010
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computer infrastructure Traditional engineering: Focus on performance Sustainable Engineering How will widespread use impact electricity demand and electronics recycling? ENG 1P03 2010 Lecture 10
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Lecture 10 (Outline) - Outline 1. Announcements 2. LCA 3....

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