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CITY COUNCIL OF THE CITY OF PLEASANTON ALAMEDA COUNTY, CALIFORNIA ORDINANCE NO. AN ORDINANCE OF THE CITY OF PLEASANTON AMENDING CHAPTERS 20.04, 20.08, 20.12, 20.16, 20.20, 20.24, AND ADDING CHPATERS 20.60 AND 20.65 OF THE PLEASANTON MUNICIPAL CODE CONCERNING THE ADOPTION OF THE 2007 EDITION OF THE CALIFORNIA BUILDING STANDARDS CODE (24 C.C.R.), INCLUDING BY REFERENCE THE 2006 INTERNATIONAL BUILDING, FIRE AND EXISTING BUILDING CODES; THE 2006 UNIFORM CODES FOR PLUMBING AND MECHANICAL; AND THE 2006 NATIONAL ELECTRICAL CODE. WHEREAS, California Health and Safety Code Section 17958 and Section 17958.5 allow the City, by ordinance, to make modifications or changes to the State Building Standards Code and other regulations adopted pursuant to California Health and Safety Code Section 17922; and WHEREAS, California Health and Safety Code Section 17958.5 requires that such changes must be determined to be reasonably necessary because of local climatic, geologic or topographical conditions as follows: 1. Local climatic conditions include a low amount of average yearly rainfall, which tends to be concentrated from October through April. From May through September, a dry period occurs where daily temperatures remain high, and there is little measurable precipitation. In addition, the local climate frequently includes high winds which sweep down through the valley. In developed areas of the City, fires can occur in buildings, rubbish, automobiles, and grass fires on vacant lots. In the undeveloped areas of the City, there is a risk of large brush and grass fires. If a fire occurs in either a developed or undeveloped area of the City, the local dry conditions combined with high winds creates the risk of a potential fire storm. In addition, local residential development is occurring in previously undeveloped areas adjacent to wild fire hazard areas. These new developments increase the chance of fire while simultaneously being located further from fire stations, delaying critical response times. 2. Local geological conditions include a risk of earthquake. A number of earthquake faults are located either within or in close proximity to the City. Those with the most direct and potentially destructive impact are the San Andreas, Calaveras, Hayward, Greenville and Concord-Green Valley Faults. History of earthquake activity indicates that there is a likelihood of a major earthquake in the area. t