Chicago · permit 101061562

233 S WACKER DR

SPR 2019 CBRC: STRUCTURAL ONLY ACCOMPANIED WITH A STRUCTURAL PEER REVIEW. SCOPE CONSISTS OF THE REPLACEMENT OF THE EXISTING 75'-1-1/2" ANTENNA, DAMPER AND BEACON ASSEMBLY ON THE WEST TOWER WITH A NEW 74'-5-1/2" TOP PLATE ASSEMBLY, WMAQ WEDDING CAKE, WMAQ ANTENNA, WFLD WEDDING CAKE, WFLD ANTENNA AND DAMPER ASSEMBLY ON TOP OF AN EXISTING 110 STORY HIGH RISE BUILDING. IN ADDITION TO THE ADDITION OF THE ANTENNA A MODIFICATION WEST BRIDGE AUX SUPPORTS WILL BE INSTALLED.  NO ELECTRICAL. NO CHANGES TO EXISTING BUSINESS USE. (OCCUPANCY B / CONSTRUCTION TYPE 1A)