July Issue 2001

 


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| July 2001
A change order can be a blessing or an albatross. We’ve all heard the joke about the contractor that bids a project at a loss, hoping to make it up on change orders.

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| July 2001
Three more categories are identified in the IEEE Standard 1159 table of power quality (PQ) phenomena: voltage imbalance, waveform distortion, and power frequency variations.

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| July 2001
From Louisville, St. Louis, and Leavenworth, Kan., the three contractors profiled—last month, this month, and the next—are working to become even more lean and efficient.

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