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<br /> <br /> <br /> <br /> <br />UTILITIES COMMISSION MEETING <br /> <br />TO: <br />ERMU Commission <br />FROM: <br />Mike Tietz –Technical Services Superintendent <br />MEETING DATE: <br />March 14, 2023 <br />AGENDA ITEM NUMBER: <br />6.1h <br />SUBJECT: <br />Staff Update <br />ACTION REQUESTED: <br />None <br /> <br />DISCUSSION: <br />• In March, the locators processed 82 locate tickets. These consisted of 66 normal tickets, <br />6 updated tickets, 1 cancellation, 2 meets, 4 non-excavation, and 3 boundary surveys. <br />This resulted in a 10.8% increase in tickets from the previous month and is a 7.9% <br />decrease from the prior February. <br /> <br />• Electrical technicians completed 184 service order tasks, updated the power bill, <br />addressed customer meter issues and any off-peak concerns. <br /> <br />• On February 23, staff ran generators #1, #2 & #3. Staff has been working on repairing <br />our aftercooler issue on Engine #4 as time allows. They have disassembled the <br />aftercooler and have been testing tubes for leaks. This is a very tedious process as there <br />are 640 tubes that need to be checked individually. We found a total of 61 tubes that <br />were leaking, and I am in the process of procuring plugs to install in the tubes to <br />complete repairs. <br /> <br />• Great River Energy (GRE) is doing some work on their 69kV bus along with some relay <br />work that necessitated us moving all the load from our Station 14 Bank 4 substation <br />over to Bank 3 and de-energizing our Bank 4 transformer until March 15. Technical <br />services staff will have some SCADA checkout work to do when GRE completes their <br />work. This will involve updating and testing the functionality of some remote terminal <br />units that have been remapped to our relay. <br /> <br />• I have been involved with several projects recently such as the Voltus generation <br />contracts, Minnesota Municipal Power Association’s solar interconnection project, and <br />the Grid Resilience and Innovation Partnerships grant application. I have also been <br />reviewing the Advanced Metering Infrastructure master services agreement that we <br />received back from Core & Main. <br /> <br />257