HomeMy WebLinkAbout14, Constant Water Flow Leaks Notification Tool
Workshop Item # 14 March 19, 2014 line Tool-Constant Water Flow Monitoring, Discussion Regarding
Water Flow Monitoring, 2 Consumption displayed on monthly bills•Detect constant flow–Obtain reading four times daily–Collect data for volumetric billing–AMI meters•District installed
AMI Meters for 94% of customers–California AB 2572–2010 until present•No detection of residential consumption–Flat rates for residential water–Prior to 2010•Background / History line
Tool-Notification, and On
Water Flow Monitoring, 3 Encourages customers to properly repair leaks–licensed professionalUp to $100 to reimburse customers for costs of repair by a –Rebate program•All of these are
the customer’s responsibility to correct––Malfunctioning irrigation controls–Stop and drain valve not completely turned on or off–Toilet valve not closing–Water faucets intentionally
left open to prevent frozen pipes–Leaky faucet–Common constant flow causes•Background / History line Tool-Notification, and On
New Information line Tool-Notification, and OnWater Flow Monitoring, 4 Up to $15,000 of labor costs per freeze event–December 2013 over 100 customers notified–Ruptured pipes –Exceeding
5 GPM or 8,000 GPD–freeze and thaw continuous flow monitoring-Winter deep–are masked by irrigation and there is less staff availableSummers are excluded from daily monitoring because
smaller leaks –Weekends excluded due to staffing–Customers contacted by telephone or mail–Exceeding 3 GPM or 5,000 GPD–Daily estimated continuous flow monitoring in other seasons–Customers
contacted by telephone or mail–Exceeding 3 gallons per minute (GPM) or 5,000 gallons per day (GPD)–Weekly estimated continuous flow monitoring in summer–District aids customers in monitoring
their own facilities•
New Information line Tool-Notification, and OnWater Flow Monitoring, 5 Some customers complain –Many customers are thankful–Promoted on many forms of media–Displays continuous flow alert–hour
interval for current period-Displays daily or six–Compares current year of monthly usage to prior year–Customers log on with account number and first four letters of name–line Tool-New
On–Monthly bill has graph of 24 months of consumption–About 300 customer have daily flows below 500 GPD–About 200 customers receive letters after each review–Smaller flows less than
5,000 GPD but more than 500 GPD–Three times per year–District aids customers in monitoring their own facilities (cont)•
New Information line Tool-Notification, and OnWater Flow Monitoring, 6 resourcesCustomer expectations exceed available technology and –Customers unresponsive to multiple notices–customers
calling the District up to 25% of the timeWritten or electronic notification of continuous flow results in –Estimated volume of continuous flow is manually calculated–No uniform pattern
of consumption–time-Flow data is not real–Incorrect or incomplete customer contact information–Redirection of staff from other important customer service tasks–Challenges of aiding
customers in monitoring their facilities•
New Information line Tool-Notification, and OnWater Flow Monitoring, 7 alertsdefined -selfCustomer –Increase daily readings from 6 to 24–Automatic messaging of continuous flow alerts
on monthly bills–Automatic estimates of continuous flow rates–mail or text continuous flow alerts to customer -Automatic e–Possible improvements•
Fiscal Impact line Tool-Notification, and OnWater Flow Monitoring, 8 Monitoring and responding to customer calls is $50,000 to –Single freeze and thaw event is $10,000 to $15,000–Estimated
labor costs of aiding customers in monitoring •
Recommendation line Tool-Notification, and OnWater Flow Monitoring, 9 Receive this report and provide comments•
10 line Tool-Notification, and OnWater Flow Monitoring,
11 line Tool-Notification, and OnWater Flow Monitoring,
12 line Tool-Notification, and OnWater Flow Monitoring,
13 TDPUD.orgTwitter FacebookBill InsertSierra SunShireFlyerTahoe Donner QuarterlyTruckee High School Program Media line Tool-Notification, and OnWater Flow Monitoring,