02_Title24_GB_2008_handout

02_Title24_GB_2008_handout - Title 24 California's Energy...

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•02_Title24_GB_2007.ppt •1 Title 24 California's Energy Efficiency Standards for Residential and Nonresidential Buildings Arch 140, Lecture #2 Thursday, January 24, 2008 What is Title 24? ± Energy standard overseen by the Calif. Energy Commission ± Covers new buildings and new portions of existing buildings ± Standard requirements are enforced by local building departments through the permit process ± Standard is updated every 3 years ± Different requirements for Residential and Nonresidential ± Requirements vary by Climate Zone ± 2 paths for compliance: Prescriptive & Performance http://www.energy.ca.gov/title24/ Low-rise Residential Standard ± Single family dwellings (any height) ± Duplex dwellings (any height) ± Multi-family dwellings (< 3 stories) Nonresidential Standard ± Offices ± Retail, wholesale, grocery stores ± Restaurants ± Hotels, motels ± Assembly, conference areas, ± Industrial work buildings ± Schools, churches, theaters ± Multi-family buildings > 4 stories California Climate Zones 1 – Mendocino 2 – Ukiah 3 – Bay Area 16 – Lake Tahoe Yosemite 12 – Sacramento 13 - Fresno 6 – Santa Barbara 8/9 – L.A. 7/10 – San Diego 4/5 – San Luis Obispo A Brief History of the Standards California legislature passes the Warren-Alquist Act which creates the California Energy Commission . ________ Jerry Brown elected governor of California ________ L.A. earthquake 1971 1972 1973 1974 1975 1976 1977 __ First “Star Wars” movie premieres “Early 70’s” Æ Initiation OPEC oil embargo Interim standards
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•02_Title24_GB_2007.ppt •2 Key Requirements in the Warren-Alquist Act (1977) ± Prescribe, by regulation. . . building design and construction standards which increase the efficiency in the use of energy for new residential and new nonresidential buildings. ± The standards shall be performance standards and shall be promulgated in terms of energy consumption per gross square foot of floor space, but may also include devices, systems, and techniques required to conserve energy. ± The standards shall be cost effective , when taken in their entirety, and when amortized over the economic life of the structure when compared with historical practice. ± The commission shall periodically update the standards and adopt any revision which, in its judgment, it deems necessary. Fast Forward (see posted lecture for interim timeline) 1978 1979 1980 First Generation Standards . CEC adopts prescriptive requirements for low-rise residential buildings. AIA and others criticize CEC for failing to develop a performance standard as required by law.
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This note was uploaded on 01/13/2010 for the course ARCH 140 taught by Professor Benton during the Spring '08 term at Berkeley.

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02_Title24_GB_2008_handout - Title 24 California's Energy...

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