Chicago · permit 100899173

141 W JACKSON BLVD

SPR 2019 CBRC: MECHANICAL ONLY ALTERATIONS FOR NEW SUPPLEMENTAL COOLING AND A PRE-ACTION SYSTEM TO SUPPORT THE MEET ME ROOM ON THE 6TH FLOOR OF THE NORTH BUILDING. NEWCHILLED WATER PIPING WILL BE INSTALLED TO SERVE NEW SUPPLEMENTALCOOLING SYSTEM. ADDITIONALLY, A NEW PRE-ACTION SYSTEM WILL BEINSTALLED AND TIED TO THE FIRE ALARM SYSTEM. EXISTING SPRINKLERPIPING WILL BE REMOVED AND REPLACED WITH NEW SPRINKLER PIPING (OCCUPANCY GROUP B; CONSTRUCTION TYPE 1A)NO PLUMBING WORK UNDER THIS PERMIT