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<br />B. System-Wide ShortaQes and SFPUC Response to ReQional EmerQencies. <br />Following a major system emergency event, the SFPUC will work closely with its Wholesale <br />Customers to monitor customer demand, including the demand source. In the event that any <br />individual Wholesale Service Area or Retail Service Area customer's uncontrolled distribution <br />system leaks could result in major water waste and endanger the supply provided by the <br />Regional Water System as a whole, flow through some customer connections may need to be <br />temporarily reduced or terminated. SFPUC will work closely with customers to assess the <br />nature of the demand (e.g. fire-fighting versus leakage), so that public health and safety <br />protection can be given top priority. <br />1. All emergencies that require use of non-potable source water will require <br />use of chlorine, or other suitable disinfectant, if feasible. <br /> <br />2. San Francisco will use its best efforts to meet the seismic reliability and <br />delivery reliability level of service goals adopted by the Commission in conjunction with the <br />WSIP. San Francisco will distribute water on an equitable basis throughout the Regional Water <br />System service area following a regional Emergency, subject to physical limitations caused by <br />damage to the Regional Water System. <br /> <br />3. San Francisco's response to Emergencies will be guided by the then- <br />current version of the ERRP. The SFPUC shall periodically review, and the Commission may <br />amend, the ERRP to ensure that it remains an up-to-date and effective management tool. <br /> <br />4. The SFPUC will give the Wholesale Customers notice of any proposal to <br />amend the ERRP in a manner that would affect them. The notice will be delivered at least thirty <br />days in advance of the date on which the proposal is to be considered by the Commission and <br />will be acc9mpanied by the text of the proposed amendment. <br /> <br />C. Shortages Caused by Drought; Acquisition of Dry Year Supplies. <br />Notwithstanding San Francisco's obligations to deliver the Supply Assurance to the Wholesale <br />Customers collectively and the Individual Supply Guarantees to Wholesale Customers <br />individually, San Francisco may reduce the amount of water available to the Wholesale <br />Customers in response to Drought. <br />1. The Tier 1 Shortage Plan (Attachment H) will continue to be used to <br />allocate water from the Regional Water System between Retail and Wholesale Customers <br />during system-wide shortages of 200/0 or less. <br /> <br />-17- <br /> <br />1840795.8 <br />