ASHRAE+62.1-2022+(1) - Page 069

Extracted Content

(This appendix is not part of this standard. It is merely informative and does not contain require- ments necessary for conformance to the standard. It has not been processed according to the ANSI requirements for a standard and may contain material that has not been subject to public review or a consensus process. Unresolved objectors on informative material are not offered the right to appeal at ASHRAE or ANSI.)

INFORMATIVE APPENDIX L COMPLIANCE

This appendix contains compliance suggestions that are intended to assist users and enforcement agencies in applying this standard.

L1. SECTION 4

 Is documentation of outdoor air quality included as required in Section 4.3?

L2. SECTION 5

 Are air balancing provisions included in design documentation as required in Section 5.10?  If the system is a plenum system, are provisions for providing minimum breathing zone airflow specified?  Do exhaust ducts comply with the requirements of Section 5.14?  Are ventilation systems controls specified as per Section 5.18?  Do specifications include resistance to mold and erosion for airstream surfaces per Section 5.11?  Are separation distances between outdoor air intakes and sources listed and in compliance with Section 5.4?  Is there any noncombustion equipment that requires exhaust (Section 5.16)?  Is combustion air provided for fuel-burning appliances (Section 5.15)?  Are appropriate filters specified upstream of cooling coils or wetted surfaces (Section 5.5)?  Are dehumidification capability and building exfiltration calculations provided (Section 5.12)?  Do specifications for drain pans comply with requirements of Section 5.7?  Are coils specified per the requirements of Section 5.6?  If present, do humidifiers and water spray systems comply with the requirements of Section 5.8?  Is access provided for inspection, cleaning, and maintenance of all ventilation equipment and air distribution equipment (Section 5.19)?  Is moisture management (Section 5.1) included in building envelope design, including specifically,  weather barrier;  vapor retarder;  sealing exterior joints, seams, and penetrations; and  insulation on pipes, ducts, or other surfaces whose temperatures are expected to fall below dew point of surrounding air?  If there is an attached parking garage, do airflow control measures comply with requirements of Section 5.2?  Is recirculation from spaces containing Class 2 air limited to spaces with the same purpose and with the same pollutants following requirements of Section 5.13.3.2?  Is air from spaces containing Class 3 air contained and not transferred to any other space (Section 5.13.3.3)?  Is all air from spaces containing Class 4 air exhausted directly to the outdoors (Section 5.13.3.4)?  If ETS is expected to be present, does the design comply with all separation requirements of Section 5.3?

L3. SECTION 6 VENTILATION RATE PROCEDURE

 Are occupancy categories consistent with the space design documents?  Are there any unusual sources of contaminants or compounds? If yes, ventilation must be added per Section 6.3.5.

ANSI/ASHRAE Standard 62.1-2022 67