TRANSCONTINENTAL GAS PIPE LINE COMPANY, LLC
Critical: Y
Notice Eff Date: 07/09/2025
Notice Eff Time: 10:53:45 CDT
Notice End Date:
Notice End Time:
Notice ID: 15840445
Notice Stat Desc: Initiate
Notice Type Desc: Maint
Post Date: 07/09/2025
Post Time: 10:53:45 CDT
Prior Notice: 0
Reqrd Rsp Desc: Immediate response required of an operational nature may be required of impacted shippers
Rsp Date:
Rsp Time:
TSP: 007933021
TSP Name: TRANSCONTINENTAL GAS PIPE LINE COMPANY, LLC

Notice Text:

Subject: Station 30 to Station 35 MLA Pig Runs (Job 1071375) 2025 Planned Outage and Maintenance Summary

Transco will be performing necessary pipeline integrity assessments associated with Job #1071375 on its 2025 Planned Outage and Maintenance Summary. This maintenance activity will impact the availability of transportation services moving north to south through Station 30 and south to north through Station 35 for each pig run date.

The specific dates that will be impacted are subject to change, but the current schedule is outlined below:

Pig Runs

Dates

Gauge/Cleaner Tool

8/5

Smart Pig Tool

8/7

 

Operating Conditions resulting from this work will require Transco to restrict scheduled quantities for all transportation priorities moving south to north and north to south through the locations indicated below.

The receipt-based location Throughput Section Boundaries (“TSB’s”) for Station 30 at mainline milepost 258.45 N-S and Station 35 at mainline milepost 327.27 S-N will be used to manage capacity availability during this planned work. An updated Market and Production Area constraint notice will include the TSB and the available quantity of all transportation priorities during the indicated period.

TSB Name - Location

Location ID

Flow Direction

ML S30 N to S MP 258.45

9011841

North to South

ML S35 S to N MP 327.27

9011644

South to North
 

 

Estimated Outage

Location ID

Design Capacity (Dt/d)

Total Quantity Available (Dt/d)

% Available Total Primary-Firm vs Design Capacity

% Cuts (Primary) – Potential Shipper Impact (Based on Historical Utilization)*

8/5 & 8/7

9011841

400,000

100,000

25%

5-15%

8/5 & 8/7

9011644

708,995

250,000

35%

55-65%
 

*% Cuts (Primary) is an estimate of the impact to primary firm shippers based on historical utilization and anticipated volumes during the time of constraint. These amounts are subject to change based on actual nominated firm volumes and changes in the amount of available capacity.

If you have any questions, please contact your Transportation Services Representative.