This code will pertain primarily to clinical labs and related spaces whether within a hospital or separate building. References are made in this chapter to NFPA 45 and ASHRAE Standards 90.1, 90A, and 170. NFPA 99: Health Care Facilities Code, 2012 edition, has deleted the previously included chapter pertaining to laboratories and has added a new Chapter 4, which establishes four “Categories of Risk.” Also included is Chapter 9 outlining HVAC requirements for health care facilities. In the 2011 ASHRAE Handbook-HVAC Applications, Chapter 16 provides detailed descriptions of laboratory airflow, fume hood types, hazard assessments, exhaust systems, and applications to various lab types. Chapter 5 of this standard discusses laboratory ventilation system designs. It does not apply to animal facilities, laminar flow hoods, or bio-safety cabinets. Chapter 8, Laboratory Ventilating System and Hood Requirements, defines criteria and considerations for exhaust air and supply air systems including requirements for fume hood exhaust.ĪNSI/AIHA Z9.5-2012 – Laboratory Ventilation describes required and recommended practices for the design and operation of lab ventilation systems for control of exposure to airborne contaminants. The 2011 edition of NFPA 45: Standard on Fire Protection for Laboratories Using Chemicals applies to laboratory buildings, units, and work areas in which defined chemicals are handled or stored. For details, consider the NOTICE file.This article will provide information on hood types and ventilation criteria primarily on the first three types of labs, with discussion on contaminant containment, airflow practices, comfort conditioning, and the codes that govern the lab ventilation systems. We deeply appreciate the help of the following people:ĪirLab depends on several third party open source project which are included as library. Thus, if you find and/or fix bugs or extend the software please contribute as well and let us know or make a pull request. We released AirLab to contribute to the community. "AirLab: Autograd Image Registration Laboratory". Robin Sandkuehler, Christoph Jud, Simon Andermatt, and Philippe C. If you can use this software in any way, please cite us in your publications: For details, consider the LICENSE and NOTICE file.
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