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Neudorfer Engineers, Inc.
5516 1st Avenue S.
Seattle, Washington 98108
Phone: 206-621-1810
Fax: 206-343-9820
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Neudorfer Engineers, Inc.
1500 NE Sandy Blvd.
Portland, Oregon 97232
Phone: 503-235-8924
Fax: 503-235-8925
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Sound level testing is used to measure the sound levels present in the various rooms. Sound levels are compared to Noise Criteria (NC) Curves or to RC curves as a way of quantifying the actual levels to predetermined industry standards. The more noise sensitive the usage of a room, the lower the required NC or RC level.

Vibration levels are taken on various types of mechanical equipment and building components for a variety of reasons. Initial equipment vibration 
readings are important to verify that the equipment will be operating below 

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