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fire department to control free burning roof <br /> fires, fanned by high winds which require <br /> extra ordinary tactical measures, which in <br /> themselves cause early exhaustion of <br /> firefighters. <br /> <br /> b. Extensive fire damage due to exposure problems <br /> compounded by high winds which reduce <br /> effectiveness of hose streams through <br /> disintegration, lack of reach and <br /> misdirection. <br /> <br /> c. Extensive fire damage caused by an exterior <br /> roof fire spreading to and involving nearby <br /> dry vegetation other buildings or objects, <br /> thereby resulting in multiple fires due to <br /> dryness, high temperatures, and/or winds. <br /> <br /> d. The mean annual rainfall average is 17 inches <br /> which primarily occurs starting in October and <br /> ending in April. The mean daily maximum <br /> temperature is 73 degrees Fahrenheit with hot, <br /> dry summer days, which bring temperatures to <br /> the 100 degree Fahrenheit mark. The mean <br /> daily minimum temperature is 42 degrees <br /> Fahrenheit with cold winter nights bringing <br /> temperatures below freezing. Prevailing winds <br /> are out of the southwest and range from calm <br /> to gusty at 10-15 knots in the A.M. and <br /> changing to 18-20 knots in the P.M., with <br /> highs that range between 30-55 knots. These <br /> climatic conditions create the potential for <br /> extensive fire damage, loss of life and injury <br /> to firefighters as shown in the findings <br /> above. <br /> <br />2. The geologic conditions within the specified areas <br /> of the City of Pleasanton are such that: <br /> <br /> a. Extensive fire damage and potential loss of <br /> life due to limited effectiveness and <br /> capabilities of the fire department due to <br /> reduced and delayed response of fire companies <br /> on arterial routes obstructed by collapsed <br /> overpasses and bridges and/or landslides <br /> caused by earthquakes and/or unstable soils. <br /> <br /> b. Extensive fire damage and potential loss of <br /> life due to limited and/or delayed response of <br /> fire department due to dispersion to multiple <br /> fires caused by escaping natural gas or <br /> electrical transmission equipment damaged by <br /> earthquake. <br /> <br /> c. The City of Pleasanton has the potential to be <br /> affected by large seismic movement of major <br /> <br /> <br />