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<br /> <br />Strategies Applying to Retrofit and Building Codes <br />These strate ies should be incor orated into our local overnment's codes and <br /> <br />Utilize or recommend adoption of a retrofit standard that includes standard plan sets <br />and construction details for voluntary bolting of homes to their foundations and bracing <br />of outside walls of crawl spaces ("cripple walls"), such as that being developed by a <br />committee representing the East Bay-Peninsula-Monterey Bay Chapters of the <br />International Code Council (ICC), California Building Officials (CALBO), the Structural <br />Engineers Association of Northern California (SEAONC), the Northern California <br />Chapter of the Earthquake Engineering Research Institute ((EERI-NC), and ABAG's <br />Earthquake Program. <br /> <br />Require engineered plan sets for retrofitting of heavy (with stucco walls and tile roofs) <br />two-story homes with living areas over garages, as well as for split-level homes, until <br />standard plan sets and construction details become available. <br /> <br /> <br />NEW RElROFlT WUD <br />SILL BOLT WI <br />PLATE WASHER <br /> <br />Local Hazard Mitigation <br />Plan Mitigation <br />Strategy HSNG-b-1 <br /> <br />LHMP Mitigation <br />Strategy HSNG-b-2 <br /> <br />An example figure <br />demonstrating the proper <br />retrofit of a standard crawl <br />space. Figures such as <br />these should be included <br />when developing a standard <br />retrofit code. <br /> <br />o TYPICAL CRIPPLE WALL BRACING DETAIL <br /> <br />Require engineered plan sets for retrofitting of homes on steep hillsides using a retrofit LHMP Mitigation <br />standard similar to that adopted by the City of Los Angeles. (This action will prevent Strategy HSNG-b-3 <br />homeowners from spending $50,000 - $60,000 on an inadequate retrofit.) <br /> <br />Encourage local government building inspectors to take classes on a periodic basis <br />(such as the FEMA-developed training classes offered by ABAG) on retrofitting single- <br />family homes. In addition, ensure the building inspectors actually inspect retrofit work. <br /> <br />Encourage private contractors and home inspectors doing work in your area to take <br />retrofit classes on a periodic basis (such as the FEMA-developed training classes <br />offered by ABAG) on retrofitting single-family homes. This training is being updated <br />and revised in 2006. <br /> <br />Continue to require that all new housing be constructed in compliance with structural <br />requirements of the most-recently adopted version of the California Building Code. <br /> <br />Conduct appropriate employee training and support continuing education to ensure <br />enforcement of building codes and construction standards, as well as identification of <br />ical housin desi n inade uacies and recommended im rovements. <br /> <br />LHMP Mitigation <br />Strategy HSNG-b-4 <br /> <br />LHMP Mitigation <br />Strategy HSNG-b-5 <br /> <br />LHMP Mitigation <br />Strategy HSNG-f-1 <br /> <br />LHMP Mitigation <br />Strategy HSNG-f-2 <br /> <br />Aprilll,2006 <br />