What was permitted
A modification to an existing fire alarm system is underway at 150 N Michigan Ave in the Loop. This project specifically affects a high-rise building on the 38th floor and includes voice communication capabilities.
This permit is active and was issued on April 22, 2026. While the permit fee was $175, the cost for modifying a fire alarm system in a high-rise, especially one with voice communication, can range from $5,000 to $20,000 or more, depending on the system's complexity and the extent of the modifications. CONVERGINT TECHNOLOGIES LLC is the contractor.
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