CITY OF RIO VISTA WATER METER RETROFIT PROGRAM

Transcription

1 CITY OF RIO VISTA WATER METER RETROFIT PROGRAM

2 AB Water Meter Requirements AB 2572 Adopted on September 29, 2004 Requires urban water suppliers to install water meters on or before 2025 Definition of Urban Water Suppliers after 2005 (Water code section 10617) Bill customers within 5 years of becoming an Urban Water Supplier (Water code section 528(b)1)

3 AB Water Meter Requirements City became an Urban Provider in April 2005 April 2010 bill on actual volume of water delivered. Adjustment period of one year to gather usage data. (Water code section 528(b)2) April 2015 (10 years) entire City must be metered (Water code section 528 (a))

4 AB Water Meter Restrictions On or after January 1, 2010, any urban water supplier that applies for financial assistance from the state for a wastewater treatment project, a water use efficiency project, or a drinking water treatment project, or for a permit for a new or expanded water supply, shall demonstrate that the applicant meets the requirements of AB (Water code section 529.5)

5 Rio Vista Water Meter Standard 2007 During development of Water Rates Included City wide metering program Discussed water reading options Manual, Touch Read (TR), and Radio Frequency (RF) Discussed water reading costs All water meter funding was removed from rate structure prior to adoption of current rates.

6 Rio Vista Water Meter Standard Complying with AB upgrading meters and installing meters throughout the community Cost estimates were based on utilization of one vendor for meters (Sensus) and reading options (TR or RF) Sensus TR unit or Sensus MXU RF unit Either option would require a change in the meter register (older meters would have to be replaced)

7 Original Water Meter Estimate OLD DATA (INVALID) City Meters/Non-metered Units Manual Units Touch Read Units RF cost Customers Trilogy (1900) $ - $71 $ 135,127 $216 $ 410,480 Homecoming (290) $ - $ 20,625 $ 62,652 Vineyard Bluff (54) $ - $ 3,840 $ 11,666 City (Core) (1500) $ $ 220,975 $218 $ 327,654 $292 $ 437,988 Total Meter Costs $ 220,975 $ 487,246 $ 922,786

8 Original Water Meter Estimate Cost est. was based on replacement: Sensus register ($71), Purchase of Sensus MXU ($135), Sensus TR meter ($281) and Sensus RF meter ($292) Cost for upgrading or purchase of new meters was NOT included in rate structure.

9 Rio Vista Water Meter Standard April 2010 City Council received a report on the TR versus RF. Approved meter standard ¾ Sensus meter with connector and Itron RF unit. Water impact fees Water Retrofit Program Phase 1 Replace 500 meter registers and install an Itron RF unit.

10 Meter with Itron Unit Itron (ERT) Unit Cable Meter Register

11 Meter with Itron Unit Itron Unit Meter Register

12 Rio Vista Water Meter Standard April Shea Trilogy began to install meters with Itron units (15 homes). Shea Trilogy plans to retrofit about 100 meters to adopted water meter standard. Other residential and commercial businesses have installed meters meeting city standards As community grows, staff time is minimized due to Itron RF unit being required. 6,000 est. homes at build out

13 Cities with Itron units Other cities who use similar components as Rio Vista City of Roseville Sensus meter with Itron RF Unit City of Lodi Itron RF unit with Meters from Sensus, Badger, or Hersey North Tahoe PUD Itron units with Sensus/Badger meters City of Manteca Various meters including Sensus with Itron units City of Gridley - Sensus meter with Itron RF Unit

14 Water Meter Retrofit Program Sensus ¾ registers will be placed on Sensus ¾ meters Itron unit is installed next to the meter Compatibility of Sensus Registers with Itron Units History of Use by Other cities

15 Water Meter Retrofit Program Contract for retrofit is issued with contractor to commencing work during week of March 14, 2011 Notices were placed on homeowners doors where meters will be upgraded Verification of RF reading to meter register.

16 Rio Vista Water Meter Retrofit Customers Today's Cost for Meter Upgrade Register Touch Itron RF cost Trilogy (1890) $ 77 $ 145,530 $ 74 $ 307,508 Homecoming (290) $ 77 $ 22,330 $ 74 $ 47,184 Vineyard Bluff (54) $ 77 $ 4,158 $ 74 $ 8,786 City (Core) (310) $ 77 $ 23,870 $ 74 $ 50,438 Touch Read Equipment New Meter Box Lid $ 25 $ 63,600 Gasket (Lid) $ 12 $ 30,528 $ $ 413,915 Total Meter Upgrade Costs 290,016

17 Initial Meter Est. vs. Actual Cost Initial cost estimated for TR was $487,000 and RF $922,000 which included upgrading and installation of new meters at properties without meters. Actual cost estimated for TR and RF is $290,000 and $413,000, Respectively which included upgrade of meters.

18 Initial Meter Est. vs. Actual Cost AB 2572 cost recovery ability (purchase, installation of a water meter) Language above had a major impact in the reduction of upgrade and new meter installation costs previously estimated Additionally, the ITRON RF units are ½ the price of the equivalent Sensus RF unit (MXU).

19 Rio Vista Water Meter Staff Time Staff time reading monthly) $35 $ 1,583 $ 35 $ 210 Number of meters 2,544 Workers Compensation costs $1,300 Staffing Costs Staff time processing billing with meter software $ 25 $ 123 $ 25 $ 123 without meter software Total cost per month 1, Total cost per year $ 21,772 $ 3,997 * Neptune Meter literature est touch read meters per day * Survey of cities est touch read meters per day ** Neptune Meter literature est. 1,000-2,000 RF meters per day (walking); 2,000-3,000 per day if drive-by ** Survey of cities est. 1,200-3,000 RF meters per day ** Time varies depending on radius of city.

20 Water Meter Standard Pro/Con Difference in RF vs. TR is $123,000 TR and RF will eliminate manual data entry errors TR results in increased labor costs, increase workers comp. claims, and longer period of time to read meters Conservation Efforts and enforcement best with RF

21 Water Meter Standard Pro/Con RF results in less labor costs, reduced worker comps costs, and value of public works time to perform other duties is increased. RF - Community growth; reduced labor cost Response to RFP; most are for RF Future upgrade from TR to RF Expensive

22 Rio Vista Water Meter Retrofit ANY QUESTIONS