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Created on LEED Interpretation

ID#

li-5487

Credit NameEQp1 - Outside air introduction and exhaust systems
Credit CategoryIndoor environmental quality
International ApplicableYes

Rating System

LEED O+M: Existing Buildings

Rating System Version

v2 - LEED 2.0

Inquiry

ASHRAE Standard 62, Section 5 indicates that "Ventilation systems may be mechanical or natural" and "When natural ventilation and infiltration are relied upon, sufficient ventilation shall be demonstrable." However, it does not specify a method for demonstrating compliance. The owner has several facilities using the ventilation strategy selected for this facility, and believes it to perform satisfactorily, and would like it to be construed to meet the intent of this provision. This project is designed to comply with LEED IEQ Credits 4.1 through 4.4. So the question is, how does one demonstrate compliance with ASHRAE Standard 62 in this particular case of natural ventilation?

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