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Commissioning the Largest MBR in North America to Produce Low ...

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Plant Start‐UP Challenges<br />

•Flow Diversions<br />

– Coord<strong>in</strong>ate cut‐over of 5 dist<strong>in</strong>ct wastewater flows from <strong>the</strong><br />

99 th Ave Intercep<strong>to</strong>r <strong>in</strong><strong>to</strong> Butler WRF/IPS<br />

– Plant went from Zero <strong>to</strong> 8 mgd of flow between June 16 &<br />

July 8<br />

•New Equipment <strong>to</strong> City Staff<br />

– Large percentage of equipment on project was unique<br />

with<strong>in</strong> City<br />

– Stressed <strong>the</strong> importance of equipment vendor tra<strong>in</strong><strong>in</strong>g<br />

•Various Equipment Problems<br />

– WAS Pumps wired <strong>in</strong> reverse<br />

– Issues with centrifuge conveyor systems<br />

– Calibration of chemical feed systems

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