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NEUD ORFER ENGINEERS PX �-0 <br /> AN Ctegra coMPnNv <br /> W W W.NEUDORFERENGINEERS.COM <br /> PROJECT Boeing 40-92 Safety Center Upgrade (Project# 2024-0125) <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 /> Balancing diagrams are attached to this report with outlets numbered for locations. <br /> ERV-01: This heat recovery unit serves the Lobby and Exhibition areas of the building. The design <br /> supply airflow is 1,170 CFM and actual airflow is 1,255 CFM (107%). The design exhaust airflow is <br /> 1.252 CFM and actual airflow is 1,235 CFM (99%). <br /> BCU-01: This blower fan unit serves the small exhibits 251. The design supply airflow is 2,550 CFM <br /> and actual airflow is 2,455 CFM (96%). Due to incomplete outlet#2, the balance was not performed <br /> at this time. The balance shall complete when outlet is installed. <br /> RFU-01: This return fan unit serves the small exhibits 251. The two RFUs 1 and 2 were combined <br /> into one unit. The design combined return airflow is 2,500 CFM and actual airflow is 2,660 CFM <br /> (106%). <br /> FCU-01: This fan coil unit serves the lobby 252. The design airflow is 1,300 CFM and actual airflow <br /> is 1,200 CFM (92%). <br /> FCU-02: This fan coil unit serves the lobby 252. The design airflow is 600 CFM and actual airflow is <br /> 620 CFM (103%). <br /> FCU-03: This fan coil unit serves the lobby 252. The design airflow is 900 CFM and actual airflow is <br /> 960 CFM (107%). <br /> FCU-06: This fan coil unit serves the exhibition 250. The design airflow is 1,300 CFM and actual <br /> airflow is 1,355 CFM (104%). <br /> National Environmental Balancing Bureau <br /> Page 9 of 41 <br />