HomeMy WebLinkAbout12 Board - Aclara DCU Upgrade - 2019
ACTION ITEM #12 DCU) Upgrades(Unit Collection Purchase of Materials for Distributed DCU) Upgrades(Unit Collection Purchase of Materials for Distributed July 17, 2019
Purchase of Materials for DCU Upgrades 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 cover provision of an Automated Meter Reading (AMR) system to In September 2008, the District awarded a
contract to for the •BACKGROUND / HISTORY Purchase of Materials for DCU Upgrades
Purchase of Materials for DCU Upgrades Other District functions (billing, customer service) access the database•Receives meter reading data. Stores data in a database•NCC located at
District office •polesutility DCUs located at storage tanks, wells, pump stations and dedicated •Store data and transmit to the District office•Receive data from the MTUs•27 DCUs located
through the District•Over 13,000 MTUs in the system•MTU reads the meter and transmits the reading •MTUEach water meter is equipped with a •BACKGROUND / HISTORY Purchase of Materials
for DCU Upgrades
Purchase of Materials for DCU Upgrades Water Department would return to the Board for authorization•upgraded in the futureIt was also noted that the remaining 14 sites would need to
be •Radio reception•Power supply•Communications •In October 2017, the Board approved a contract to upgrade 13 DCUs •BACKGROUND / HISTORY Purchase of Materials for DCU Upgrades
Purchase of Materials for DCU Upgrades internal fiber networkthernet communications module for connection to the District’s ECommunications upgrades involved replacing cellular model
with •number of sitesSince original deployment, fiber optic cable has been installed to a •modemAt original deployment, DCUs communicated to NCC by 3G cellular •BACKGROUND / HISTORY
Purchase of Materials for DCU Upgrades
Purchase of Materials for DCU Upgrades DCUs were converted to 120 VAC power where feasible•correlatorsInsufficient power capacity to function with remote leak detection •Diverts staff
from other functions•Safety issues with ice & snow removal•Ice & snow drifts can cover solar panels••batteryA number of DCUs are powered using solar panels that recharge a •BACKGROUND
/ HISTORY Purchase of Materials for DCU Upgrades
Purchase of Materials for DCU Upgrades The radio reception upgrade involved installation of these new filters•filterAclara has developed higher quality •transmissionsDCUs are equipped
with filters to block extraneous radio •BACKGROUND / HISTORY Purchase of Materials for DCU Upgrades
Purchase of Materials for DCU Upgrades Installation of parts and materials will be performed by District staff•New radio filters will be installed•120 VAC power conversions will be performed
where feasible•Remainder will receive upgraded cellular modems•Some DCUs will be connected to the District’s fiber network•Upgrade of the remaining 14 DCUs is necessary•This protocol
is being discontinued on December 31, 2019•DCUs with cellular modems use 3G communication protocol•NEW INFORMATION Purchase of Materials for DCU Upgrades
Purchase of Materials for DCU Upgrades A ten percent change order allowance is recommended•cablesmounting brackets and antenna for parts including sales tax and accessories such as $60,000
of Total •New LTE communication boards = $4,187.59•$3,000.00boards = New Ethernet communication •425.95Solar panel/battery to 120 VAC conversions = $•price for upgradesUnit •source
purchasing from Aclara-Board action authorized solePrevious •Upgrade materials must be purchased from Aclara•FISCAL IMPACT Purchase of Materials for DCU Upgrades
Purchase of Materials for DCU Upgrades such as this projectPipeline replacement project is not occurring due to other priorities •projectfunded pipeline replacement -Original FY2019
budget included a rate•the cost of the projectFund to cover the Water Department General Sufficient funds exist in •Planned funding source is Water Department General Fund•FISCAL IMPACT
Purchase of Materials for DCU Upgrades
Purchase of Materials for DCU Upgrades DCUswater system 14 with the upgrade of associated materials $66,000 for parts and for an expenditure not to exceed agreement with Aclara an Authorize
the General Manager to execute •RECOMMENDATION Purchase of Materials for DCU Upgrades