A.02 J&A John Day Cooling Water JA for Network Equipment CISCO 2_5_24 REDACTED.pdf

This document appears to be a Justification and Approval (J&A) for the purchase and installation of Cisco network equipment for the John Day Dam project. The key details are:

The John Day Generator Cooling Water project requires the purchase and installation of two (2) Cisco C9300-24S network switches to aggregate communication of all sixteen cooling system PLCs into the plant HMI system. The switches will be installed in the control room, with PLC connections made over existing fiber runs. Additionally, sixteen (16) Cisco C9300-24T network switches are required for future network expansion, to be installed in each unit RTU cabinet. The generator cooling PLC and other devices will connect to these switches using Ethernet copper, with fiber uplinks to the control room. The procurement is being conducted by the U.S. Army Corps of Engineers, Portland District.