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<br />© 2004-2016 DKF Solutions Group, LLC. All rights reserved. OERP Page 7 <br /> <br /> <br />6. SSO Detection and Notification <br /> ref. SWRCB Order No. 2006-0003-DWQ VI(a) <br /> <br />The processes that are employed to notify the City of the occurrence of an SSO include: observation by the <br />public, receipt of an alarm, or observation by City staff during the normal course of their work. <br /> <br />The City operates 31 wastewater pump/lift stations. In the event of any pump failure, the high level sensor <br />activates the SCADA alarm system and the City is contacted. To prevent overflow, wastewater from the wet <br />well can either be pumped into a vacuum truck for disposal to a nearby sanitary sewer manhole, or bypassed <br />around the station into the sanitary sewer system. <br /> <br />6.1 PUBLIC OBSERVATION <br /> <br />Public observation is the most common way that the City is notified of blockages and spills. Contact <br />numbers and information for reporting sewer spills and backups are in the phone book and on the City’s <br />website: http://www.redwoodcity.org/publicworks. The City’s telephone number for reporting sewer <br />problems is (650) 780-7464 during normal work hours, and (650) 780-7190 after hours. <br /> <br />Normal Work Hours <br />When a report of a sewer spill or backup is made during normal work hours, Public Works <br />Administration receives the call, enters the information into the PublicStuff program and dispatches via <br />pager to the Sewer Call Truck. Alternatively, the public can report an SSO/Backup online through <br />PublicStuff on the City’s web site or through the PublicStuff mobile app. <br /> <br />After Hours <br />After hours call are answered by Police Dispatch, which notifies the On-Call Employee. <br /> <br />When calls are received, either during normal work hours or after hours, the individual receiving the call <br />will collect the following information: <br />• Time and date of call <br />• Specific location of potential overflow or incident <br />• Nature of call <br />• In case of SSO, estimated start time of overflow and how long it has been occurring <br />• Caller’s name, telephone number and address <br />• Caller’s observations (e.g., odor, duration, location on property, known impacts, indication if <br />surface water impacted, appearance at cleanout or manhole) <br />• Other relevant information <br />Figure 6.1 is an overview of the procedure for receiving a sewage overflow or backup report (see next <br />page): <br />6.2.A. - Page 101