Fire/smoke dampers in duct penetrations of rated assemblies are interlocked in life-safety paths primarily to (conceptual)?

Choices

• (A) Limit fire-spread, smoke travel, and maintain compartmentation per listing and IBC+NFPA 90/92 paths
• (B) Increase chiller kW/ton by law
• (C) Force economizer 100% always
• (D) Replace 62.1 OA