Construction and Maintenance Schedule Posting

TSP Name

Columbia Gas Transmission, LLC

TSP

054748041

Date

Time

Notice ID

25944920

Notice Type Description: Maintenance
Notice Stat Desc: Initiate
Prior Notice:
Critical: Y
Reqrd Rsp Desc: No Response Required

Post
Notice Effective
Notice End

Response

08/19/25
08/19/25
09/19/25



3:14:40 PM
12:00:00 AM
12:00:00 AM



Subject: Construction and Maintenance Schedule Posting

Author: Dillon Schoolcraft

Notice Text

As a courtesy, Columbia Gas Transmission, LLC (TCO) hereby notifies customers the Construction and Maintenance Schedule posted under "Construction and Maintenance" on the Informational Postings website has been updated. TCO reminds customers to please check the Maintenance Schedule on a regular basis.     The current schedule has been updated to reflect maintenance activity on the following: * Revised dates for Line D-420 pigging - August 20-24, 2025 (Previously scheduled for August 19-23, 2025) * Revised dates for SM-90 Pipeline Maintenance - August 22-27, 2025 (Previously scheduled for August 21-25, 2025) * Revised dates for Line H outages - September 2 - 19, 2025 (Previously scheduled for August 19 - September 1, 2025) and September 22 - October 10, 2025 (Previously scheduled for September 2 - October 3, 2025)* Hooker Pipeline Maintenance - September 4 - October 1, 2025

Additionally, the following file(s) can be located on Informational Postings under Construction and Maintenance
TCO Construction and Maintenance Schedule 08-19-2025.pdf