New official interpretations to ANSI/ASHRAE Standard 62.1-2004 (IC 62.1-2004-20) and ANSI/ASHRAE Standard 62.1-2007 (IC 62.1-2007-16, -17, -18) are now posted for free download on the ASHRAE website. The responses to these requests for official interpretation were approved by SSPC 62.1 on January 23, 2010 (Orlando meeting).
 
Interpretations for Standard 62.1-2004 (http://www.ashrae.org/technology/page/127)
Interpretation 62.1-2004-20 – January 23, 2010 (Refers to the requirements presented in ANSI/ASHRAE Standard 62.1 -2004, Section 5.1, specifically the exception to 5.1, regarding the definition of an authority having jurisdiction.)

 
Interpretations for Standard 62.1-2007 (http://www.ashrae.org/technology/page/1412)
Interpretation 62.1-2007-16 – January 23, 2010 (Refers to the requirements presented in ANSI/ASHRAE Standard 62.1-2007, Sections 2.1, 3, 6 and Table 6-1, regarding ventilation requirements for spaces which are not occupiable.)

Interpretation 62.1-2007-17 – January 23, 2010 (Refers to the requirements presented in ANSI/ASHRAE Standard 62.1-2007, Sections 3, 6 and Table 6-1, regarding minimum ventilation rates in breathing zone for spaces which are not occupiable.)

Interpretation 62.1-2007-18 – January 23, 2010 (Refers to the requirements presented in ANSI/ASHRAE Standard 62.1-2007, Sections 5.4 and 6.2.8, and Table 6-4, regarding exhaust ventilation and fan system operation.)


Mark Weber, Assistant Manager of Standards - American
American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc.
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