7.6.2.1 Survey Occupants. The purpose of this stan- dard is to ensure that a room, building, etc., is comfortable for a substantial majority (at least 80%) of the occupants. There- fore, an effective way to evaluate the environmental conditions is to survey the occupants. This survey should be performed for every operating mode, in every design condi- tion. This would require a survey check sheet to be provided by the team responsible for validating the thermal environment of the space. The sheet shall have, as a minimum, the fol- lowing data for the occupant to fill in: