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necessary in designated affected areas, (expected reduction would vary in response to the specific situation). The City will also follow the lead of Zone 7 or the State of California, during a major catastrophe or drought period. When Zone 7 announces a curtailment in water delivers the City will assess the impact on the City supplies and decide which of the above stages is called for.The City,will monitor the situation closely, both supply and demand, and carefully select the right stage to achieve the desired result,.and move from one stage to the next if the situation worsens, and lessen rationing when it subsides. As mentioned in Section 2.43, Pleasanton has two emergency interties with DSRSD to provide supplies during an emergency. 5.6.2.1 Area-Wide Electrical Power...Failure If electrical power were not available for a prolonged period of time, the City of Pleasanton would continue to receive water from a number of sources. Pleasanton could receive treated water by gravity flow. The water turnouts are designed to flow by gravity from the treatment plant clear wells. Additionally,water from emergency interties with DSRSD could also supply water into the service area when necessary. Pleasanton also has the capability to pump groundwater'from emergency generators at its well sites 5.62.2 Earthquake Water system infrastructure, including pump stations, storage tanks, and pipelines, can be damaged during a strong earthquake.Pleasanton's facilities,as well as Zone 7's facilities,have been constructed in accordance with the applicable building codes to minimize potential damage during an earthquake. Additionally,approximately 85%of Pleasanton's water infrastructure has been earthquake reinforced and no area within the service area is solely dependent on non-earthquake reinforced infrastructure.If damage occurred as the result of a strong earthquake, there are multiple turnouts from Zone 7 supply system to ensure Pleasanton can continue to receive water supply from Zone 7 if damage occurred along a specifics section affecting a turnout.Furthermore,the pipelines were built in looped arterial design,to ensure there is more than one route for water flow. 5.6.3 Water Use Prohibitions During the times any water shortage stage is in effect,the following water uses are considered unlawful for any potable City of Pleasanton water customer,as defined by the City's Water Shortage Ordinance: O Use of potable water between 10:00.a.m. and 4:00 p.m. to irrigate grass, lawns, groundcover, shrubbery,crops,vegetation,and trees;or the use of potable water in such a manner as to result in runoff for more than five minutes. e Use of potable water to wash down sidewalks,walkways,driveways,parking lots,open ground or other hard surface areas by the direct application of water thereto(including street cleaning).. o_ Allowing potable water to escape from breaks within the customer's plumbing system for more than eight hours after the customer is notified or discovers the break. City of Pleasanton 5-10 June 2011 2010 Urban Water Management Plan