Northwest Notice 25-127

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All information here is provided as a service and information is not guaranteed to be accurate. PipeRiv is not responsible for any incorrect information.

TSP Name: Northwest Pipeline LLC TSP: 67977322

Critical: Y
Notice Stat Desc: INITIATE
Notice Type Desc: MAINTENANCE
Post D/T: 08/21/2025 2:13 PM MCT
Notice Eff D/T: 08/21/2025 2:13 PM MCT
Notice End D/T:
Reqrd Rsp Desc: No response required
Rsp D/T:

Notice ID: 25-127
Prior Notice:
Subject: Boise Loop Line Hydro Test - Maintenance Reminder

Notice Text:

As posted in the maintenance schedule on Northwest Pipeline's 
website, Northwest is performing the 2025 Boise DOT Hydro Tests 
which will affect the following locations:

- Boise CS beginning gas day August 26, 2025, through gas 
        day September 15, 2025.
- Caldwell CS beginning gas day August 26, 2025, through 
        gas day September 15, 2025.

The Boise CS will be limited to 340,000 Dth/d northbound for 
the duration of the outage.

If primary nomination requests through the Boise CS exceeds the 
available capacity of 340,000 Dth/d northbound (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 499,000 Dth/d northbound. 
The deficiency period will continue until the work has been 
completed. 

The Caldwell CS will be limited to 329,000 Dth/d southbound for 
the duration of the outage.

If primary nomination requests through the Caldwell CS exceeds 
the available capacity of 329,000 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 475,000 Dth/d 
southbound. The deficiency period will continue until the work 
has been completed.

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.
TSP Name: Northwest Pipeline LLC TSP: 67977322

Critical: Y
Notice Stat Desc: INITIATE
Notice Type Desc: MAINTENANCE
Post D/T: 08/21/2025 2:13 PM MCT
Notice Eff D/T: 08/21/2025 2:13 PM MCT
Notice End D/T:
Reqrd Rsp Desc: No response required
Rsp D/T:

Notice ID: 25-127
Prior Notice:
Subject: Boise Loop Line Hydro Test - Maintenance Reminder

Notice Text:

As posted in the maintenance schedule on Northwest Pipeline's 
website, Northwest is performing the 2025 Boise DOT Hydro Tests 
which will affect the following locations:

- Boise CS beginning gas day August 26, 2025, through gas 
        day September 15, 2025.
- Caldwell CS beginning gas day August 26, 2025, through 
        gas day September 15, 2025.

The Boise CS will be limited to 340,000 Dth/d northbound for 
the duration of the outage.

If primary nomination requests through the Boise CS exceeds the 
available capacity of 340,000 Dth/d northbound (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 499,000 Dth/d northbound. 
The deficiency period will continue until the work has been 
completed. 

The Caldwell CS will be limited to 329,000 Dth/d southbound for 
the duration of the outage.

If primary nomination requests through the Caldwell CS exceeds 
the available capacity of 329,000 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 475,000 Dth/d 
southbound. The deficiency period will continue until the work 
has been completed.

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.