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TO: All Departments with Space in TU3 and TU4 </div>
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DATE: July 2024 </div>
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SUBJECT: Generator Test: TU3 and TU4</div>
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<b>Generator testing for TU3 and TU4 is scheduled for Tuesday, July 16, 2024, as follows:</b></div>
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<b>The test, although intended to simulate an actual power outage, has been modified to keep the disruption to hospital services at a minimum. If an actual power outage occurs, the electrical circuits supported by the generator will be without power for 5
to 10 seconds except for those areas which have their own uninterruptible power supplies. Our recent experience suggests that a real power outage can be expected once a year. If you have equipment, processes, etc. that cannot cope with a power outage of
this duration, your department should consider installing uninterruptible power supplies (UPS's).</b></div>
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<b><u>THE TU3 TEST PROCEDURES ARE AS FOLLOWS:</u></b> </div>
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· The emergency generator will be started between 5:00AM and 5:05AM and will be used as the source for emergency power for approximately 30 minutes.</div>
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· The emergency power will be switched back to normal between 5:30AM and 5:35AM when the generator turns off.</div>
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· Emergency outlets (red) and emergency lights will blink when the test starts and again when it ends.</div>
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<b><u>THE TU4 TEST PROCEDURES ARE AS FOLLOWS:</u></b></div>
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· The emergency generator will be started between 6:00AM and 6:05AM and will be used as the source for emergency power for approximately 30 minutes.</div>
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· The emergency power will be switched back to normal between 6:30AM and 6:35AM when the generator turns off.</div>
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· Emergency outlets (red) and emergency lights will blink when the test starts and again when it ends.</div>
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<span style="background-color: rgb(255, 255, 0);">If you have any questions or concerns regarding the test or the emergency power system, please feel free to contact Stewart Hatzinger, Facilities Electrical Manager, Physical Plant at extension 4-8923.</span></div>
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