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Elk River <br /> Municipal Utilities <br /> 322 King Avenue phone: 763.441.2020 <br /> Elk River,MN 55330 Far:763.T1.S099 <br /> January 7, 2004 <br /> To: Elk River Municipal Utilities Commission <br /> John Dietz <br /> Jerry Takle <br /> James Tralle <br /> From: Bryan Adams <br /> Subject: Water SCADA System <br /> The 2004 water capital budget contains a$200,000 item for control upgrades and <br /> Supervisory Control And Data Acquisition (SCADA), system. Staff is seeking <br /> authorization to proceed with this project. <br /> As we have been adding water towers, wells, and water treatment plants to our system, <br /> we are using the Allen Bradley (AB), control package instead of the obsolete Aquatrol <br /> System. We have also been changing communication radio frequencies from 456.28750 <br /> UHF to the 900 MHZ frequency system. Currently, about half of our facilities utilize the <br /> Aquatrol Control System while the newer facilities utilize the AB system. It is time to <br /> completely retire the Aquatrol Control System and upgrade to the AB system. In the <br /> process of upgrading the system control package, it is easy to incorporate the SCADA <br /> package. <br /> The SCADA system provides real time information on system operation, (pressure, flow, <br /> etc.) along with equipment status (on, off, equipment failure, security, etc.). The attached <br /> sheets reflects inputs and outputs of the proposed system. Our water system is getting big <br /> enough and complicated enough to justify real time data, for ease of operation and <br /> trouble shooting in case of equipment failure. This information will also aid in future <br /> facility expansion planning. <br />