Northwest Pipeline LLC NOTICE #31263 July 2023 Maintenance Reminder posted on Jun 26 2023 11:09AM TSP Name: Northwest Pipeline LLC TSP: 67977322 Critical: N Notice Stat Desc: INITIATE Notice Type Desc: MAINTENANCE Post D/T: 06/26/2023 11:07 AM MCT Notice Eff D/T: 06/26/2023 11:07 AM MCT Notice End D/T: Reqrd Rsp Desc: No response required Rsp D/T: Notice ID: 23-133 Prior Notice: Subject: July 2023 Maintenance Reminder Notice Text: As posted in the maintenance schedule on Northwest Pipeline's 
website and as communicated in the annual maintenance call, 
Northwest has the following maintenance projects scheduled in 
the month of July. Currently, Northwest is not anticipating any 
impact to customers. 

Lava CS ERP HP Replacement
Design Capacity MDth/d: 650/279 - N/S
Available Capacity MDth/d: 650/279 - N/S
Start: 7/01/2023 End: 10/01/2023

Pegram CS ERP HP Replacement
Design Capacity MDth/d: 654/266
Available Capacity MDth/d: 654/266 – N/S
Start: 7/01/2023 End: 10/01/2023

Lewiston Lateral ILI runs
Design Capacity MDth/d: 70 - E
Available Capacity MDth/d: 70 - E
Start/End: 7/06/2023, 7/10/2023, 7/12/2023

Washougal to Chehalis 30" ILI Runs (EMAT Assessment)
Design Capacity MDth/d: 602 - S
Available Capacity MDth/d: 602 - S
Start/End: 7/11/2023, 7/13/2023, 7/17/2023, 7/19/2023, 
7/21/2023

Please reference the Maintenance Schedule tab at 
www.northwest.williams.com for more information.

If you have any questions, please call your Commercial Services 
Representative or the hotline at 713-215-6301.