I am designing a steel stair tower which is enclosed by CMU walls for seismic. In order to not induce any of the building inter-story drift into the stair, I have provided a slip connection for the stair stringers ascending to the floor to accommodate the inter-story drift provided by the EOR. My question is if the intermediate landings are required to accommodate that same inter-story drift or if the slip connection at the floor is all that is required. I keep getting different answers so I wanted to post on here to see what others think.
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