Construction and Maintenance Schedule Posting

TSP Name

Columbia Gas Transmission, LLC

TSP

054748041

Date

Time

Notice ID

25944929

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

Post
Notice Effective
Notice End

Response

08/22/25
08/22/25
09/22/25



10:16:41 AM
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 end date - SM90 Pipeline Maintenance - August 22-28, 2025 (Previously schedule to end on August 27, 2025) * Revised dates & restrictions - Pleasant Exchange Pipeline Maintenance - September 4-29, 2025 (Previously scheduled for August 26 - September 16, 2025)  * MPLX Langley Plant Maintenance - September 13-21, 2025 * Revised Restrictions - Line 1983 pigging - September 22-26, 2025* Revised dates - R-601 Pipeline Maintenance - September 22 - November 10, 2025 (Previously scheduled for September 29 - October 16, 2025)

Additionally, the following file(s) can be located on Informational Postings under Construction and Maintenance
TCO Construction and Maintenance Schedule 08-22-2025.pdf