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ACTION SystemLeak Correlated -RemotelyPurchase of a SystemLeak Correlated -RemotelyPurchase of a March 2, 2016 ITEM #8
Purchase of a Remotely 2016throughout the year o continue tLikely •This requirement remains in effect •2013compared to the year 25% as reduce its potable water production by imposed
a requirement for the District to The State of California has •BACKGROUND / HISTORY Correlated Leak Detection System-Purchase of a RemotelyCorrelated Leak Detection System-
Purchase of a Remotely side reduction programs-Implemented demand•Increased public education •2015Implemented Stage 4 of Water Shortage Contingency Plan in May •Accelerated pipeline
replacement•Expanded efforts to identify and repair water leaks •reductionside -Implemented demand•To achieve compliance the District uses three main approaches•BACKGROUND / HISTORY
Correlated Leak Detection System-Purchase of a RemotelyCorrelated Leak Detection System-
Purchase of a Remotely basis for 2016time -Department Field Technician assigned to leak detection on fullWater •Utility Services Associates performed leak survey of 50 miles of main•time
basis-fullOne Water Department Field Technician assigned to leak detection on •Summer of 2015•BACKGROUND / HISTORY Correlated Leak Detection System-Purchase of a RemotelyCorrelated
Leak Detection System-
Purchase of a Remotely feet of main750 Replaced •Completed October 2015 •September 2015Started •ProjectSun Valley Road Pipeline Replacement •Replaced 4,900 feet of main•Completed October
2015 •Started June 2015•2015 Project-District Pipeline Replacement•BACKGROUND / HISTORY Correlated Leak Detection System-Purchase of a RemotelyCorrelated Leak Detection System-
NEW INFORMATION Transmit data to central computer by radio•Time synchronized (operate in early morning hours)•Autonomous operation•Expandable•field deployable networksUsing the same
technology, several manufacturers have developed •Reduces excavation efforts and improves crew efficiency•Uses acoustics to determine precise location of the leak•Remote units placed
on either side of suspected leak•radioby Two remote units and a control unit that communicate •Water Department owns a portable leak detection system•Correlated Leak Detection System-Purchase
of a RemotelyCorrelated Leak Detection System-Purchase of a Remotely
NEW INFORMATION Other manufacturers would require a new radio network•Remote leak detection units to utilize same radio system•Water meter radio system is by Aclara•ource purchase from
Aclara is recommendeds-Sole•relocateRemote units to be deployed in a given area for a few weeks and then •associated softwareWater Department recommending purchase of 25 remote units
and •Correlated Leak Detection System-Purchase of a RemotelyCorrelated Leak Detection System-Purchase of a Remotely
FISCAL IMPACT Planned funding source is Water Department General Fund•Ten percent change order allowance is recommended•Does not include sales tax•Price quotation from Aclara is $40,625•Correlated
Leak Detection System-Purchase of a RemotelyCorrelated Leak Detection System-Purchase of a Remotely
RECOMMENDATION$47,500from Aclara in an amount not to exceed correlated leak detection system -Approve the purchase of a remotely•communications networkin order to ensure compatibility
with the District’s existing radio correlated leak detection system -Dispense with bidding of a remotely•Correlated Leak Detection System-Purchase of a RemotelyCorrelated Leak Detection
System-Purchase of a Remotely