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NEUDORFER NE e B <br /> ENGINEERS AN Integra COM PANVIV J <br /> NNW W.NEUDORFERENGINEERS.COM <br /> PROJECT Boeing Bldg. 40-10 Exhaust Extraction (Job# 2023-0913) <br /> LOCATION Everett, WA <br /> EXECUTIVE SUMMARY <br /> This project has been balanced per plans and specifications using the National Environmental <br /> Balancing Bureau (NEBB) standards and procedures. <br /> The fans have been checked for fan data, operating amperage, voltage, rotation, RPM, belt tension, <br /> alignment, and operating static pressure. All grilles, registers and diffusers (GRDs) have been <br /> proportioned to within the design specifications and requirements otherwise noted. <br /> Balancing diagrams are attached to this report with outlets numbered for locations. <br /> EF-02: The exhaust fan serves the fume hood. The design airflow is 6,800 CFM and actual airflow is <br /> 7,295 CFM (107°/x) <br /> EF-03: The exhaust fan serves the vehicle exhaust. The design airflow is 1,750 CFM and actual <br /> airflow is 1,780 CFM (102%) <br /> National Environmental Balancing Bureau <br /> 8 <br />