Current Meter Reading System Installed 1996-97, Expected life 12 to 15yrs Vendor: Sensus Reading...
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Current Meter Reading System Installed 1996-97, Expected life 12 to 15yrs Vendor: Sensus Reading Guns must touch the meter. Reading Guns 15 years old April 2012 Town Meeting - Fixed Network System 1
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Transcript of Current Meter Reading System Installed 1996-97, Expected life 12 to 15yrs Vendor: Sensus Reading...
Current Meter Reading System
Installed 1996-97, Expected life 12 to 15yrs Vendor: Sensus Reading Guns must touch the meter.Reading Guns 15 years old
April 2012 Town Meeting - Fixed Network System 1
Current System Problems15 years oldLabor intensive readings and billing processInfrequent Readings - AbatementsMissing management data:
Meter history, service information, install dateType of serviceSize of serviceContacts
April 2012 Town Meeting - Fixed Network System 2
Proposed New SystemOne-way Fixed Network SystemFour readings dailyReceiver at the water tank siteAutomated billing for closing.
Safe: Extremely Low RF energy, 0.15 sec/transmission
ROI: Strong Return on InvestmentSecure: signal is encrypted, short and burst
signals. Private: Separate server, not connected to the
internet. April 2012 Town Meeting - Fixed Network System 3
COSTS: SAVINGS:Equipment Cost 520,000$ Reduction of a meter reader 68,000$ Installation Labor 81,600$ Reduction Final Reads 1/3 22,667$ Misc. Cost 20,000$ Overtime 10,000$ Total Cost 621,600$ Uniforms 250$
Vehicle 2,500$ Cost w/Contingencies 700,000$ Vehicle Maintenance 1,000$
Fuel 2,000$ Clothing Allowance 350$ Rain/ Safety Gear 100$ Licences 100$ Total Savings/year 106,967$
Total Benefits 18 year life 1,925,406$ Less Total Costs w/Contingencies 700,000$
Net Benefit 1,225,406$
Return on Investment
April 2012 Town Meeting - Fixed Network System 4
Equipment will be purchased from
the Water Special Revenue fund – not
borrowings
Equipment will be purchased from
the Water Special Revenue fund – not
borrowings
ImprovementsDaily readings = lower labor requirementsImproves Data accuracy for Town and
customerImproves ConservationImproves Water Accountability – DEP
mandate
April 2012 Town Meeting - Fixed Network System 5
Advantages: Daily ReadingsAssist in leak detection
For the customerFor the system as a whole (daily pumped vs
daily use)Reports abnormal readingsReal time readings – service on and offWater ban violationsMeter tampering Time of day and seasonal consumption
predictionApril 2012 Town Meeting - Fixed Network System 6
Advantages: Lowers Labor Costs
Eliminates travel and labor for manual meter reads
No Manual Reads when service changesBetter information, less management time.Faster bill processing, fewer manual billsReal-time information to resolve billing issues
April 2012 Town Meeting - Fixed Network System 7
Safety:Readings are sent 4x daily for 0.15 seconds –
0.60 seconds total per day.
RF Power is 0.000268 µw/cm2 (background FM,TV signals are 0.005 µw/cm2 )
“The BOH believes that the Sensus Flex Net SmartPoint model #510X water meter poses very little EMF risk to Wayland citizens”
April 2012 Town Meeting - Fixed Network System 8
Power Density & Relative Exposure
April 2012 Town Meeting - Fixed Network System 9
Power
Density Exposur
e Relative Exposure
RF Source Low High Min/Day Low High
Cell Phone - at ear 1000 5000 15 15000 75000
Microwave Oven at 2 ft 50 200 1 50 200
Smart Meter at 3 ft 40 1440 57600
Smart Meter at 10 ft 4 1440 5760
WiFi Router at 3 ft 0.2 1 60 12 60
FM Radio/TV signals 0.005 1 1440 7.2 1440Sensus Radio Meter at 3m Outside
0.00268 0.01
0.0000268
Sensus Radio Meter at 3m Inside
0.00067 0.01
0.0000067
Comparison of Radiation Levels
0
100
200
300
400
500
600
700
800
900
1000
Cell Phone - atear
Microwave Ovenat 2 ft
Smart Meter at3 ft
Smart Meter at10 ft
WiFi Router at 3ft
FM Radio/TVsignals
Sensus RadioMeter at 3m
Outside
Sensus RadioMeter at 3m
Inside
Comparison of Radiation Levels(without cell phone)
0
5
10
15
20
25
30
35
40
45
50
Microwave Ovenat 2 ft
Smart Meter at 3ft
Smart Meter at10 ft
WiFi Router at 3ft
FM Radio/TVsignals
Sensus RadioMeter at 3m
Outside
Sensus RadioMeter at 3m
Inside
Other CommunitiesAcushnet, Boston, Brookline, Burlington,
Cambridge, Chelsea, Cumberland RI, Danvers, Framingham, Hopkinton, Kennebunkport ME, Medford, Medway, Nantucket, Norfolk, Norwood, Portsmouth NH, Salem, Somerville, Walpole, Westfield, Woburn and Yarmouth.
Lawrence, Newton, and Waltham, in progress
April 2012 Town Meeting - Fixed Network System 12
SummaryImproves Customer ServiceImproves management of our water systemIncreases systems flexibility Eliminates wasted effortSaves money for customers
April 2012 Town Meeting - Fixed Network System 13
