TGP - Outage Impact Report Seven Day Forecast (updated 09/10/20)
-Primary impact restrictions may be necessary
-Major impact restrictions may be necessary
-Minor impact restrictions may be necessary depending on flow conditions
-Little to no impact, though minor outages may cause incremental reductions
Station / Seg
Est Nominal
Operating Capacity (Thousand Dth)
Monday (9/14)
Tuesday (9/15)
Wednesday (9/16)
Thursday (9/17)
Friday (9/18)
Saturday (9/19)
Sunday (9/20)
Primary Outage(s) that may Impact Throughput
Est. Operational Capacity (Operational Impact) - Thousand Dth
Station 409 (Donna Line) (segment 490 FH)
575
Station 1
(segment 101 BH)
270
Station 9
(segment 109 BH)
1,011
950
(61)
MLV 12-1 to MLV 13-1: Pressure Weld Replacement (9/1/2020 - 9/30/2020)
Station 25
(segment 125 BH)
875
830
(45)
Sta. 40: Annual ESD test (9/16/2020)
Station 32
(segment 132 BH)
690
(185)
825
(50)
MLV 40-1 to MLV 32-1: Maintenance Pig (M) (9/16/2020) MLV 40-2 to MLV 32-2: Maintenance Pig (M) (9/17/2020)
Station 823
(segment 823 BH)
682
Station 834
(segment 834 BH)
689
Station 847
(segment 847 BH)
285
0
(285)
MLV 857-1 to MLV 860-1: Anomaly Remediation (M)
Station 548
(segment 542 BH)
1,514
1425
(89)
Sta 542: Units 1B: Automation Upgrade (9/7/2020 - 10/11/2020)
Station 860
(segment 548 BH)
1,534
1495
(39)
Sta 550: Unit 3A: Regrout (5/11/2020 - 11/30/2020)
Sta 555: Units 1A to 3A: Automation Upgrade (8/21/2020 - 10/15/2020)
Station 860 North
(Segment 860 BH)
1,821
Station 110
(segment 187 BH)
(south thru Kentucky)
2,623
2545
(78)
2420
(203)
MLV 106-3 to MLV 107-3: Wrinkle Bend Replacement (9/8/2020 - 10/31/2020) Sta 87: Unit 8C: Exhaust Leak (9/14/2020 - 9/17/2020)
MLV 87-2 to MLV 96-2: Anomaly Remediation From ILI (9/14/2020 - 12/30/2020) Sta 871: Unit 1A: Anchor Bolts (9/15/2020 - 9/17/2020)
Sta 87: Building C Electrical (9/16/2020)
MLV 102-2 to MLV 96-2: Pig Runs: MFL 9/16/20 (9/16/2020)
Station 114
(segment 114 BH)
913
MLVS 122: Broad Run Cornwell Meter: Emergent Repair (8/8/2017 - 12/31/2020)
Station 204
(Segment 204 BH)
1,834
1700
(134)
Sta 209: Unit 7A: Engine Inspection (6/1/2020 - 11/20/2020) Sta 204: Operational Conditions (8/6/2020 - 10/31/2020) MLV 209-4 to MLV 210-4: SCCDA (9/15/2020 - 9/26/2020)
MLV 207-3 to MLV 208-3: Installation of Strain Gauges (9/18/2020 - 10/9/2020)
Station 245
(segment 245 FH)
998
920
Sta 241: Unit 2A: Compressor Liners (8/1/2020 - 10/9/2020) Sta 237: Unit 3A: Inter Cooler Cleaning (8/31/2020 - 9/24/2020) MLVS 243-1: Pipe Replacement (M) (9/10/2020 - 10/20/2020)
Station 261 Discharge (segment 261 FH)
897
745
(152)
Sta 261: Station Outage: installation of the new suction header/filter (M) (9/7/2020 - 9/26/2020)
Fitchburg Lat to Gloucester (segment 268 FH)
202
165
(37)
MLVS 268-1, 269-1 & 270-1: Anomaly Remediation (8/17/2020 - 9/16/2020)
Station 307
(segment 307 BH)
1,148
1130
(18)
Sta 307: Unit 6A: Engine Overhaul (3/16/2020 - 10/1/2020)
Station 315
(segment 315 BH)
1,927
1745
(182)
Sta 315: Unit 2A: Suction Line (9/14/2020 - 9/16/2020)
Station 325
(segment 324 FH)
1,599
Station 405 HC Line (segment 299 FH)
803
710
(93)
510
(293)
Sta 405A: Turbine Exchange (9/14/2020 - 9/19/2020) Sta 313 to Sta 237: Maintenance Pig (9/15/2020)
Sta 405A: Filter Change Out (9/16/2020 - 9/17/2020)
This document is updated on a weekly basis and outage schedules/impacts are subject to change as the week progresses.
Dates posted on DART should be deemed correct in the event of conflicts between DART posted dates and dates on this report.
The impacts sheet are based on steady-state hydraulic models assuming recent operating flows, conditions, and various unit outages.
TGP - Outage Impact Report September 2020 (updated 09/10/20)
Station # / Lateral
Est Nominal Operating Capacity (Thousand Dth)
Week 1 (8/31 - 9/6)
Week 2 (9/7 - 9/13)
Week 3 (9/14 - 9/20)
Week 4 (9/21 - 9/27)
Primary Outage(s)
Station 538
(segment 534 BH)
1,238
1155
(83)
MLVS 535-1: Anomaly Remediation (9/25/2020 - 10/4/2020)
Station 860 North (Segment 860 BH)
MLV 106-3 to MLV 107-3: Wrinkle Bend Replacement (9/8/2020 - 10/31/2020) MLV 87-2 to MLV 96-2: Anomaly Remediation From ILI (9/14/2020 - 12/30/2020)
Sta 261: Station Outage: installation of the new suction header/filter (M) (9/7/2020
- 9/26/2020)
550
(253)
Sta 313: Annual ESD test (9/22/2020)
TGP - Outage Impact Report October 2020 (updated 09/10/20)
Week 1 (9/28 - 10/4)
Week 2 (10/5 - 10/11)
Week 3 (10/12 - 10/18)
Week 4 (10/19 - 10/25)
Week 5 (10/26 - 11/1)
Station 409A (Alamo) (segment 492 FH)
251
190
Sta 409A: Quarterly Inspections (10/8/2020)
(575)
Sta 409: 8k Hour Inspection & Compressor Work (10/26/2020 - 10/30/2020) Donna Lateral Replacement: Pipe Replacement (M) (10/26/2020 - 10/30/2020) Sta 409: 2k Hour Inspection (10/27/2020)
(105)
Sta 1: Building Protection System Upgrade (10/26/2020 - 10/28/2020)
765
(246)
995
(16)
MLV 12-1 to MLV 13-1: Pressure Weld Replacement (9/1/2020 - 9/30/2020) MLV 9-3 to MLV 4-3: Pig Runs: Cleaning 10/1, Gauge 10/6, ILI 10/8 (10/1/2020 - 10/8/2020)
MLV 5-2 to MLV 2-2: Pipe Replacement (10/5/2020 - 10/23/2020)
MLV 820
(segment 820 BH)
1,052
781
(271)
MLV 820-1A to MLV 821R-101.1: Maintenance Pig (M) (10/20/2020)
(120)
Sta 847: Annual ESD test (10/22/2020)
1335
(179)
1420
(94)
1000
(514)
Sta 542: Units 1B: Automation Upgrade (9/7/2020 - 10/11/2020) MLV 539-2 to MLV 541-2: Anomaly Remediation (10/5/2020 - 10/18/2020)
MLV 538-1 to MLV 541-1: Anomaly Remediation (M) (10/19/2020 - 10/31/2020) Sta 542: Filter Change Out (10/26/2020 - 10/30/2020)
Sta 542: Annual ESD test (10/26/2020 - 10/30/2020)
1250
(284)
1510
(24)
Sta 555: Units 1A to 3A: Automation Upgrade (8/21/2020 - 10/15/2020) Sta. 546: Annual ESD test (10/12/2020 - 10/14/2020)
Sta 550: Annual ESD test (10/15/2020)
Sta 555: Unit 1B: Automation Upgrade (10/16/2020 - 11/19/2020)
2345
(278)
MLV 96-1 to MLV 87-1: Pig Runs: Cleaning 10/13, Caliper 10/15, MDS 10/20 (10/13/2020 - 10/20/2020)
Sta 209: Unit 7A: Engine Inspection (6/1/2020 - 11/20/2020) Sta 204: Operational Conditions (8/6/2020 - 10/31/2020)
MLV 207-3 to MLV 208-3: Installation of Strain Gauges (9/18/2020 - 10/9/2020) Sta 204: Unit 10A: Automation Upgrade (9/28/2020 - 10/25/2020)
MLV 207-2 to MLV 208-2: Anomaly Remediation (9/30/2020 - 10/7/2020)
895
(103)
860
(138)
980
Sta 241: Unit 2A: Compressor Liners (8/1/2020 - 10/9/2020) MLVS 243-1: Pipe Replacement (M) (9/10/2020 - 10/20/2020)
MLV 244-1 to MLV 245-1: Anomaly Verification Dig (9/28/2020 - 10/5/2020) Sta 237: Unit 1A: Fuel System Upgrade (9/28/2020 - 10/9/2020)
MLV 245-1 to MLV 246-1: SCCDA (10/5/2020 - 10/9/2020) MLV 245-2 to MLV 246-2: SCCDA (10/12/2020 - 10/16/2020)
Sta 245: Unit 1B: 50k Overhaul (10/12/2020 - 11/12/2020)
900
(248)
1135
(13)
Sta 307: Unit 3A: Foundation Replacement (10/1/2020 - 12/31/2020) Sta 307: Filter Separator Inspection (10/5/2020 - 10/8/2020)
MLV 219-2D to MLV 303-1: Anomaly Remediation (10/5/2020 - 10/10/2020) MLV 307-2 to MLV 219-3: Maintenance Pig (10/9/2020)
MLV 304-2 to MLV 306-2: SCCDA (10/12/2020 - 10/24/2020)
Station 321
(segment 321 FH)
1,902
1690
(212)
1885
(17)
Station 321: Annual ESD test (10/19/2020) Station 319: Annual ESD test (10/29/2020)
1575
Sta 325: Annual ESD test (10/18/2020)
Sta 405A: Discharge Valve Replacement (10/13/2020 - 10/14/2020)
This document is updated on a weekly basis and outage schedules/impacts are subject to change as the week progresses. Dates posted on DART should be deemed correct in the event of conflicts between DART posted dates and dates on this report.
TGP - Outage Impact Report November 2020 (updated 09/10/20)
Week 1 (11/2 - 11/8)
Week 2 (11/9 - 11/15)
Week 3 (11/16 - 11/22)
Week 4 (11/23 - 11/29)
601
320
1,061
889
698
712
610
(102)
Sta 836A: Annual ESD test (11/20/2020)
1,643
(133)
1530
(113)
1,955
(south thru
Kentucky)
2,731
2610
(121)
MLV 87-2 to MLV 96-2: Anomaly Remediation From ILI (9/14/2020 - 12/30/2020)
946
845
(101)
MLVS 122: Broad Run Cornwell Meter: Emergent Repair (8/8/2017 - 12/31/2020) Sta. 118A: Annual ESD test & Station Maintenance (11/2/2020 - 11/6/2020)
1,901
1810
(91)
Sta 209: Unit 7A: Engine Inspection (6/1/2020 - 11/20/2020)
1,064
(84)
979
1,198
1150
(48)
Sta 307: Unit 3A: Foundation Replacement (10/1/2020 - 12/31/2020) Sta 219: Unit 1B: Protective Devices (11/9/2020 - 11/12/2020)
1,979
1,711
824
TGP - Outage Impact Report December 2020 (updated 09/10/20)
Week 1 (11/30 - 12/6)
Week 2 (12/7 - 12/13)
Week 3 (12/14 - 12/20)
Week 4 (12/21 - 12/27)
Week 5 (12/28 - 1/3)
775
(114)
Sta. 25: Annual ESD test (12/7/2020 - 12/11/2020)
Sta. 25: Annual Electrical Inspection (12/7/2020 - 12/11/2020)
Sta 307: Unit 3A: Foundation Replacement (10/1/2020 - 12/31/2020)
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