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HomeMy WebLinkAbout13, Award- MTU Replacement - 2020 ACTION ITEM #13 Radio Transmitter ReplacementAward of a Contract for Water Meter Radio Transmitter ReplacementAward of a Contract for Water Meter May 20, 2020 Water Meter Radio Transmitter Replacement NCC)Network Control Computer (•DCUs)Distributed Collection Units (•MTUs) eter Transmitter Units (M•componentsRadio system consists of three •Radio system and software by Aclara•Water meters by Neptune•water system customers provision of an Automated Meter Reading (AMR) system to cover In September 2008, the District awarded a contract to for the •BACKGROUND / HISTORY 2020-Water Meter Radio Transmitter Replacement 2020- Water Meter Radio Transmitter Replacement BACKGROUND / HISTORY 2020-Water Meter Radio Transmitter Replacement 2020- Water Meter Radio Transmitter Over 13,000 MTUs in the system•When battery fails, entire MTU must be replaced•MTU is battery powered and factory sealed•performedreplacement of first generation MTUs was not wide -System•Updated MTU used for new construction and maintenance replacements•Updated MTU provides hourly readings•generation MTU reading every six hoursFirst •readingMTU reads the meter and transmits the The •MTUEach water meter is equipped with a •BACKGROUND / HISTORY 2020-ReplacementWater Meter Radio Transmitter 2020-Replacement Water Meter Radio Transmitter utility poleslocated at storage tanks, wells, pump stations and dedicated DCUs •to the District officeStore data and transmit •the MTUsdata from Receive •Districtthe throughout 27 DCUs located •BACKGROUND / HISTORY 2020-Replacement Water Meter Radio Transmitter 2020-Replacement Water Meter Radio Transmitter databaseaccess the service, finance) , customer (operations, billingOther District functions •Stores data in a database•Receives meter reading data•NCC located at District office •BACKGROUND / HISTORY 2020-Replacement Water Meter Radio Transmitter 2020-Replacement Water Meter Radio Transmitter Replacement warranty only covers the MTU and does not cover labor•rated at 5% per year-proFor years 11 to 20, cost of a replacement MTU starts at 50%, and is then •cost to the DistrictFor MTUs that fail in first 10 years, replacement MTU is provided at no •year battery warranty from the manufacturer-MTUs have a 20•original deployment of AMR systemThe great majority of MTUs were installed in 2009 and 2010 with •NEW INFORMATION 2020-ReplacementWater Meter Radio Transmitter 2020-Replacement Water Meter Radio Transmitter Units that come back will last a few months before dying permanently•deadSome MTUs may begin functioning again in Spring, but most will remain •MTUs with weak batteries normally stop functioning during the winter•Overly optimistic projections of battery life•ruckee areaTTemperature variations in •Significant number of MTU failures over the past two years•NEW INFORMATION 2020-ReplacementWater Meter Radio Transmitter 2020-Replacement Water Meter Radio Transmitter Replacement expected2020 were -It was noted that additional MTU failures over winter of 2019•Work completed in November 2019•Utility ServicesContract for field installation of replacement MTUs awarded to Concord •Replacements provided under warranty at no cost•All within first ten years of service•About 3,100 MTUs requiring replacement were identified•Overly optimistic projections of battery life•ruckee areaTTemperature variations in •Significant number of MTU failures•Discussion at July 17, 2019 Board Meeting •BACKGROUND / HISTORY 2020-Water Meter Radio Transmitter Replacement 2020- Water Meter Radio Transmitter Replacement replacement workNoted that an outside contractor would be hired to perform the MTU •replacement MTUsBoard authorized the expenditure of up to $240,000 to purchase •and 2010 be replacedRecommended that remaining MTUs from original deployment in 2009 •About 3,450 MTUs had failed or were in need of immediate replacement••BACKGROUND / HISTORY 2020-Water Meter Radio Transmitter Replacement 2020- Water Meter Radio Transmitter Yes$362,000.00Sparks, NVResource DevelopmentYes$342,000.00Owensboro, KYUtility ServicesVanguardYes*$318,729.60CAMurrieta,Concord Utility ServicesResponsiveAmountLocation Bidder Three bids were received•Bid opening held on May 11, 2020•Advertised in the Sierra Sun•April 2020-Request for Bids issued in mid•NEW INFORMATION 2020-Replacement Water Meter Radio Transmitter 2020-Replacement Water Meter Radio Transmitter Can be considered a minor irregularity•ConcordDetermined that addendum did not have a material impact on bid by •Issue was reviewed with District legal counsel•eligible to bid on the projectOnly item in the addendum added Class B contractor’s license as •bid formsConcord Utility Services did not acknowledge Addendum No. 1 on the •NEW INFORMATION 2020-Replacement Water Meter Radio Transmitter 2020-Replacement Water Meter Radio Transmitter Sufficient funds exist in the Water Department General Fund•Department General Fundfor the project is the Water source Funding •A ten percent change order allowance is recommended•Bid price from Concord Utility Services is $318,729.60•FISCAL IMPACT 2020-ReplacementWater Meter Radio Transmitter 2020-Replacement Water Meter Radio Transmitter $350,600allowance for a total authorization not to exceed plus a 10% change order $318,729.60, an amount of Services in to Concord Utility 2020 -ReplacementMeter Radio Water Award the 2.Utility Services to acknowledge Addendum No. 1Waive the minor irregularity associated with the failure of Concord 1.RECOMMENDATION 2020-Replacement Water Meter Radio Transmitter 2020-Replacement