and then at the end, i'm going to lay out what our planned next step r.s pull up the slides, please? as you recall, our flood resilient strategy in san francisco is three-pronged. we have capital projects to address our level of service. and we have collection system o&m, operation and maintenance to maintain our assets and the third piece we've been talk about more recently in the past year or so, is the problematic strategies and that is what i'm going to be focusing on today. in september, i present add full suite of problematic strategis to you, some pertained to the 25-year storm, some to the 100-year storm and some are citiwide and today we're just focusing on the 100-year storm, which is an extreme but conceivable event. so, what is this information map? it identifies parcels in san francisco that are subject to core flood risk in a 100-year storm. that is a storm with a 1% probabilities of happening at any given year. the purpose is, first of all, to enable property owners to protect their properties. so, if they know that they are subject to flood risk and can take steps to