TSP Name: Northwest Pipeline LLC TSP: 67977322
Critical: Y
Notice Stat Desc: SUPERSEDE
Notice Type Desc: MAINTENANCE
Post D/T: 05/28/2021 10:53 AM MCT
Notice Eff D/T: 05/28/2021 10:53 AM MCT
Notice End D/T:
Reqrd Rsp Desc: No response required
Rsp D/T:
Notice ID: 21-096
Prior Notice: 21-095
Subject: Revised - Cisco to Rangely maintenance update and deficiency warning
Notice Text:
* Revised as a Critical Notice
As posted in the maintenance schedule on Northwest's website and as communicated in the annual maintenance call, Northwest will be performing anomaly investigations through October 30, 2021 in the Cisco to Rangely corridor.
The next phases of the maintenance involving digs and pressure restrictions has been updated, along with the allowable scheduled quantities through the Cisco compressor station:
June 3 through June 8: 66,000 Dth/d north and 210,000 Dth/d south
June 9 through June 22: 75,000 Dth/d north and 210,000 Dth/d south
If primary scheduled quantities exceed the northbound operationally available capacity of 66,000 Dth/d or 75,000 Dth/d, respectively, or 210,000 Dth/d southbound, or a volume that Northwest is unable to mitigate, Northwest will declare a Deficiency Period based on the Cisco compressor design capacity of 286,000 Dth/d north or 359,000 Dth/d south. Northwest will continue to communicate through notices and updated maintenance calendar as we navigate the 92 anomaly digs this summer which are scheduled to complete on October 30, 2021. If you have any questions, please call your Commercial Services Representative or the hotline at 713-215-6301.
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