Before the excel spreadsheet introduction naturally ventilated spaces were referenced in the IEQp1 form. Where can those spaces be referenced in the spreadsheet? Thank you!
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Michael Brown
Energy Analyst & Energy Systems Design EngineerHKS
LEEDuser Expert
9 thumbs up
January 20, 2017 - 10:59 am
You are correct for LEEDv2009 Natural Ventilation compliance was shown by completing Table L-17. Natural Ventilation AHU Summary within the IEQp1 Form; these calculations were not included in the 62MZCalc spreadsheet. Unfortunately, with the new LEED Minimum Indoor Air Quality Performance Calculator (for v2009 or v4 projects) natural ventilation is still not included in the spreadsheet. For v4 projects complying with natural ventilation, the IEQ form does not provide a table for calculations and the project team must provide/upload external calculations that prove compliance.
For naturally ventilated spaces (and for mixed-mode systems when the mechanical ventilation is inactivated), determine the minimum outdoor air opening and space configuration requirements using the natural ventilation procedure from ASHRAE Standard 62.1–2010 or a local equivalent, whichever is more stringent.