Hello, I am reading the occupancy separation chart on one of the practice problems for PDD NCARB practice exam. You must select the proper wall rating for select walls on a floor plan based off of the occupancy chart. One room is an Electrical Room (S-1 Occupancy) and the adjacent room is a Fire Apparatus Bay (S-2 Occupancy). The floor is sprinklered. When you look at the chart and start at S-2 and navigate to where it crosses the S-1 Sprinklered column, the chart says the rating should be 1 Hr (shown in red). However, when you look at the S-1 row and navigate to the S-2 Sprinklered column it shows no required rating or (--) (show in blue below). In this case do you just go with the more stringent requirement of the two?
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