TSP Name: Northwest Pipeline LLC TSP: 67977322
Critical: Y
Notice Stat Desc: INITIATE
Notice Type Desc: MAINTENANCE
Post D/T: 09/22/2023 1:32 PM MCT
Notice Eff D/T: 09/22/2023 1:32 PM MCT
Notice End D/T:
Reqrd Rsp Desc: No response required
Rsp D/T:
Notice ID: 23-206
Prior Notice:
Subject: Chehalis CS Electrical Work and Sumner CS Electric Start System - Maintenance Up
Notice Text:
As posted in the maintenance schedule on Northwest Pipeline's website, Northwest is performing work at the Chehalis Compressor Station from September 26, 2023 through October 13, 2023 and at the Sumner Compressor Station from September 26, 2023 through October 7, 2023. New capacity restrictions are detailed below:
The electrical work at Chehalis Compressor Station will limit throughput to 518,000 Dth/day Southbound for the duration of the project.
During the Sumner Compressor Station outage, capacity will be limited to 724,000 Dth/day Southbound for the duration of the project.
If primary nomination requests through the Chehalis Compressor Station exceeds the available capacity of 518,000 Dth/d southbound (or whatever NWP cannot mitigate during any day of the maintenance), pursuant to Sections 10.2 and 10.3 of Rate Schedule TF-1 in Northwest's Tariff, Northwest will give notice of a Declared Deficiency Period based on a design capacity of 602,000 Dth/d southbound. The deficiency period will continue until the work is completed on October 13, 2023.
If primary nomination requests through the Sumner Compressor Station exceeds the available capacity of 724,000 Dth/d southbound (or whatever NWP cannot mitigate during any day of the maintenance), pursuant to Sections 10.2 and 10.3 of Rate Schedule TF-1 in Northwest's Tariff, Northwest will give notice of a Declared Deficiency Period based on a design capacity of 960,000 Dth/d southbound. The deficiency period will continue until the work is completed on October 7, 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.
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