HW4_Solutions - DEPARTMENT OF CIVIL AND ENVIRONMENTAL...

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1 DEPARTMENT OF CIVIL AND ENVIRONMENTAL ENGINEERING UNIVERSITY OF CALIFORNIA, BERKELEY CE11 ENGINEERED SYSTEMS AND SUSTAINABILITY, SPRING 2009 H OMEWORK 4: LEED, LCA, LCIA, T RANSPORTATION DUE F RIDAY , F EBRUARY 27, 2009 (T OTAL : 100 POINTS ) ****SOLUTIONS**** 1. LEED a) Many green building measures are cost effective (such as compact fluorescent light bulbs), yet still face implementation barriers. Describe two barriers to green building design. (8 points) The cost/benefit split: Developers, owners, and operators are generally separate entities so operational gains are not seen by those that have to put up the initial cost of new technologies Change is feared: In building development, like any other investment, deviation from the norm creates potential risks that deter change. Lack of demand from occupants: Since many green building measures are not clearly visible to occupant the investment does not always increase demand b) What is the purpose of LEED? (3 points) LEED is a green building rating system. It represents the U.S. Green Building Council’s effort to provide a national standard for what constitutes a “green building.” Through its use as a design guideline and third- party certification tool, it aims to improve occupant well-being, environmental performance and economic returns of buildings using established and innovative practices, standards and technologies. It is composed of 69 credits, providing each one, if applied, one point. c) List the 6 major categories that LEED targets. (3 points) 1. Sustainable Sites 2. Water Efficiency 3. Energy & Atmosphere 4. Materials & Resources 5. Indoor Environmental Quality 6. Innovation & Design Process d) Give one example of a credit per each category of LEED listed in b). (4 points) Sustainable Sites (Prerequisite 1 Erosion & Sedimentation Control) Credit 1 Site Selection Credit 2 Development Density Credit 3 Brownfield Redevelopment Credit 4 Alternative Transportation Credit 5 Reduced Site Disturbance Credit 6 Stormwater Management Credit 7 Heat Island Effect Credit 8 Light Pollution Reduction Water Efficiency Credit 1 Water Efficient Landscaping Credit 2 Innovative Wastewater Technologies Credit 3 Water Use Reduction (Prerequisite 1 Fundamental Building Systems Commissioning) (Prerequisite 2 Minimum Energy Performance) (Prerequisite 3 CFC Reduction in HVAC&R Equipment) Credit 1 Optimize Energy Performance Credit 2 Renewable Energy Credit 3 Additional Commissioning Credit 4 Ozone Depletion Credit 5 Measurement & Verification Credit 6 Green Power (Prerequisite 1 Storage & Collection of Recyclables) Credit 1 Building Reuse Credit 2 Construction Waste Management Credit 3 Resource Reuse Credit 4 Recycled Content
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2 Credit 5 Local/Regional Materials
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This note was uploaded on 05/08/2011 for the course CE 11 taught by Professor Horvath during the Spring '11 term at University of California, Berkeley.

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HW4_Solutions - DEPARTMENT OF CIVIL AND ENVIRONMENTAL...

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