1. Disconnect and remove the existing analyzers, sample probe, and umbilcials a. The opacity analyzers are brand new and do not need to be replaced 2. Install laser analyzer system including rack housing, analyzers, and integrate to current Data Acquisition and Handling Software (DAHS) Programable Logic Controller (PLC) 3. Install new umbilical between rack housing shack and probe on the stack 4. All installations and removal will have to be done during each units’ respective outage and not simultaneously except for the NS 1 and NS 2 umbilical installs a. NS 1 outage is scheduled for 4/1/26 to 4/30/26 b. NS 2 outage is scheduled for 11/1/25 to 12/1/25 c. NS 3 outage is scheduled for 10/1/25 to 10/31/25 5. Turn key from contractor including tear down, installation, start up, calibration, certification testing (RATA), and technician training