-Primary impact restrictions may be necessary
TGP - Outage Impact Report
-Major impact restrictions may be necessary
Seven Day Forecast (updated 07/01/20)
-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 (7/6)
Tuesday (7/7)
Wednesday (7/8)
Thursday (7/9)
Friday (7/10)
Saturday (7/11)
Sunday (7/12)
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
995
(16)
MLV 5-2 to MLV 2-2: Pipe Replacement (6/15/2020 - 7/10/2020) MLV 9-2D to MLV 10-2S: Anomaly Remediation (6/18/2020 - 7/10/2020)
Station 25
(segment 125 BH)
875
Station 823
(segment 823 BH)
682
Station 834
(segment 834 BH)
689
Station 860
(segment 548 BH)
1,534
1510
(24)
Sta 550: Unit 3A: Regrout (5/11/2020 - 11/30/2020)
Sta 555: Unit 1B: Hot Gas Path Inspection (6/22/2020 - 7/31/2020)
Station 860 North (Segment 860 BH)
1,821
Station 110
(segment 187 BH)
(south thru
Kentucky)
2,623
2225
(398)
2580
(43)
MLVS 97-2: Wrinkle Bend (4/16/2020 - 8/3/2020)
MLV 87-3D to MLV 88-3: Drip Removal and Replacement (6/24/2020 - 7/13/2020) MLV 104-3 to MLV 105-3: Anomaly Remediation (7/6/2020 - 7/10/2020)
Station 114
(segment 114 BH)
923
845
(78)
MLVS 122: Broad Run Cornwell Meter: Emergent Repair (8/8/2017 - 12/31/2020) Sta 118A: Unit 1A: Turbine Surge Panel (7/6/2020 - 7/7/2020)
Station 204
(Segment 204 BH)
1,834
1545
(289)
Sta 200: Annual ESD test (7/7/2020 - 7/9/2020)
Station 245
(segment 245 FH)
998
960
(38)
Sta 249: Unit 2B: 50k Hour Overhaul (6/22/2020 - 7/31/2020)
Station 261 Discharge (segment 261 FH)
897
Station 307
(segment 307 BH)
1,148
1120
(28)
Sta 307: Unit 6A: Engine Overhaul (3/16/2020 - 8/31/2020)
Station 315
(segment 315 BH)
1,927
Station 325
(segment 324 FH)
1,599
Station 405 HC Line (segment 299 FH)
803
1158
(34)
1,192
Station 224
(segment 224 FH)
389
MLV 225-1 to MLV 228-1: Anomaly Remediation (M) (7/6/2020 - 7/10/2020)
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.
July 2020 (updated 07/01/20)
Station # / Lateral
Week 1 (6/29 - 7/5)
Week 2 (7/6 - 7/12)
Week 3 (7/13 - 7/19)
Week 4 (7/20 - 7/26)
Week 5 (7/27 - 8/2)
Primary Outage(s)
350
(225)
Sta 409: 8k Hour Inspection (7/23/2020 - 7/29/2020)
941
(70)
MLV 9-2 to MLV 5-2: Pig Runs: Clean/Gauge 7/20 - 7/22, Caliper 7/22, AFD 7/23, EMAT 7/24 (7/20/2020
- 7/24/2020)
535
(147)
Station 827: Annual ESD test (7/27/2020 - 7/31/2020)
1335
(199)
MLV 550-1 to MLV 546-1: Pig Run: Cleaning/Gauge 7/21/20, MFL 7/23/20, AFD 7/29/20 (7/21/2020 - 7/29/2020)
1690
(131)
Sta. 563: Annual ESD test (7/14/2020 - 7/15/2020)
1565
(1058)
2605
(18)
MLV 87-3D to MLV 88-3: Drip Removal and Replacement (6/24/2020 - 7/13/2020) Sta. 110: Annual ESD test (7/13/2020 - 7/17/2020)
MLV 876-1 to MLV 871-1: Pig Run - Cleaning/Gauge 7/14/20, AFD 7/16/20, EMAT 7/21/20 (7/14/2020 - 7/21/2020)
735
(188)
MLVS 122: Broad Run Cornwell Meter: Emergent Repair (8/8/2017 - 12/31/2020) Sta. 114: Annual ESD test (7/20/2020)
Sta. 114: Turbine Oil Replacement (7/21/2020 - 7/22/2020) Sta. 119A: Turbine Oil Replacement (7/23/2020 - 7/24/2020)
1755
(79)
1800
1820
(14)
MLVS 214-4: Anomaly Remediation (7/13/2020 - 7/17/2020)
MLV 200-2D to MLV 200-2A: Anomaly Remediation (M) (7/13/2020 - 7/24/2020) MLV 207-2 to MLV 208-2: Anomaly Remediation (7/27/2020 - 7/31/2020)
Station 230C (segment 296 FH)
743
(393)
Sta 230C: Annual ESD test (7/21/2020 - 7/22/2020)
1070
Sta 307: Unit 6A: Engine Overhaul (3/16/2020 - 8/31/2020) MLVS 302-2: Anomaly Remediation (7/20/2020 - 7/24/2020) MLVS 306-1: Anomaly Remediation (7/27/2020 - 8/15/2020)
1795
(132)
Sta 315: Annual ESD test (7/21/2020)
August 2020 (updated 07/01/20)
Week 1 (8/3 - 8/9)
Week 2 (8/10 - 8/16)
Week 3 (8/17 - 8/23)
Week 4 (8/24 - 8/30)
515
(60)
Sta 409A: Quarterly Inspections (8/14/2020)
555
(320)
MLV 40-3 to MLV 32-3: Pig Run - Chem Cleaning 8/3/20-8/7/20, Gauge 8/7/20, AFD 8/11/20, EMAT 8/13/20Â (8/3/2020 - 8/13/2020)
Sta. 25: Annual ESD test (8/11/2020)
Station 548
(segment 542 BH)
1,514
1365
(149)
MLV 542-3 to MLV 541-3: Pig Run: Cleaning/Gauge 8/12/20 - 8/13/20, Combo 8/18/20 (8/12/2020 - 8/18/2020)
1530
(4)
1500
1495
(39)
Sta 555: Unit 5A: Engine Inspection (8/10/2020 - 8/14/2020)
Sta 555: Unit 5A & 6A: Relief Valve Replacement (8/12/2020 - 8/14/2020) Sta 555: Unit 1A & 2A: Relief Valve Replacement (8/15/2020 - 8/17/2020) Sta 555: Unit 3A & 4A: Relief Valve Replacement (8/18/2020 - 8/20/2020) Sta 555: Units 1A to 3A: Automation Upgrade (8/21/2020 - 10/15/2020)
1175
(646)
Sta. 860: 500 Lines Drip Siphon Install (8/3/2020 - 8/8/2020) Sta. 860: Annual ESD test and Maintenance (8/3/2020 - 8/8/2020)
MLVS 122: Broad Run Cornwell Meter: Emergent Repair (8/8/2017 - 12/31/2020) Sta. 118A: Annual ESD test & Station Maintenance (8/24/2020 - 8/29/2020)
1790
(44)
1775
(59)
MLV 209-1 to MLV 213-1: Anomaly Remediation (8/3/2020 - 8/22/2020) MLV 207-3 to MLV 208-3: Installation of Strain Gauges (8/10/2020 - 8/24/2020)
MLV 209-3 to MLV 213-3: Anomaly Remediation (8/24/2020 - 9/5/2020)
920
MLVS 243-1: Pipe Replacement (8/13/2020 - 9/25/2020)
Station 254
(segment 256 FH)
1,180
955
Sta 254: Annual ESD test (8/3/2020)
Fitchburg Lat to Gloucester (segment 268 FH)
202
165
(37)
MLVS 268-1, 269-1 & 270-1: Anomaly Remediation (8/3/2020 - 9/4/2020)
910
(238)
Sta 307: Unit 6A: Engine Overhaul (3/16/2020 - 8/31/2020) MLVS 306-1: Anomaly Remediation (7/27/2020 - 8/15/2020) Sta 219: Annual ESD test (8/10/2020 - 8/14/2020)
MLV 219-2D to MLV 303-1: Anomaly Remediation (8/10/2020 - 8/28/2020) Sta 307: Annual ESD Test & Maintenance (8/17/2020 - 8/21/2020)
September 2020 (updated 07/01/20)
Week 1 (8/31 - 9/6)
Week 2 (9/7 - 9/13)
Week 3 (9/14 - 9/20)
Week 4 (9/21 - 9/27)
950
(61)
765
(246)
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: MFL/CLP/IMU/Hard Spot with RUNCOM (9/7/2020 - 9/18/2020) Station 9: Annual ESD test (9/12/2020)
Station 17
(segment 117 BH)
830
(45)
Sta. 40: Annual ESD test (9/1/2020)
1425
(89)
Sta 542: Units 1B: Automation Upgrade (9/7/2020 - 10/11/2020)
Sta 555: Units 1A to 3A: Automation Upgrade (8/21/2020 - 10/15/2020)
MLVS 122: Broad Run Cornwell Meter: Emergent Repair (8/8/2017 - 12/31/2020)
1805
(29)
MLV 209-3 to MLV 213-3: Anomaly Remediation (8/24/2020 - 9/5/2020) MLV 209-4 to MLV 210-4: SCCDA (9/7/2020 - 9/19/2020)
Sta 204: Unit 10A: Automation Upgrade (9/7/2020 - 10/25/2020)
590
(408)
860
(138)
MLV 245-2 to MLV 249-2: Anomaly Verification Dig (9/7/2020 - 9/18/2020) MLV 237-2 to MLV 245-2: Maintenance Pig (9/9/2020 - 9/10/2020)
Sta 245: Unit 1C: Boroscope and Water Wash (9/13/2020 - 9/19/2020) MLV 245-1 to MLV 246-1: SCCDA (9/14/2020 - 9/18/2020)
MLV 245-2 to MLV 246-2: SCCDAÂ (9/21/2020 - 9/25/2020)
745
(152)
Sta 261: Station Outage: installation of the new suction header/filter (M) (9/1/2020 - 9/15/2020)
789
(403)
939
(253)
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) Sta 313: Annual ESD test (9/22/2020)
October 2020 (updated 07/01/20)
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)
0
(575)
Donna Lateral Replacement: Pipe Replacement (M) (10/13/2020 - 10/16/2020) Sta 409: 2k Hour Inspection (10/16/2020)
MLV 820
(segment 820 BH)
1,052
781
(271)
MLV 820-1A to MLV 821R-101.1: Maintenance Pig (M) (10/20/2020)
(92)
Sta. 834: Annual ESD test (10/23/2020)
1000
(514)
Sta 542: Units 1B: Automation Upgrade (9/7/2020 - 10/11/2020) Sta 542: Filter Change Out (10/26/2020 - 10/30/2020)
Sta 542: Annual ESD test (10/26/2020 - 10/30/2020)
1315
(219)
Sta 555: Units 1A to 3A: Automation Upgrade (8/21/2020 - 10/15/2020) Sta 550: Annual ESD test (10/15/2020)
Sta 555: Unit 1B: Automation Upgrade (10/16/2020 - 11/19/2020)
2135
(488)
Sta 87: Annual ESD test (10/9/2020)
980
895
(103)
Sta 245: Unit 1B: 50k Overhaul (9/28/2020 - 11/6/2020)
MLV 244-1 to MLV 245-1: Anomaly Verification Dig (10/19/2020 - 10/22/2020)
1135
(13)
Sta 307: Unit 3A: Foundation Replacement (10/1/2020 - 12/31/2020)
Station 321
(segment 321 FH)
1,902
(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)
859
(333)
Sta 405A: Discharge Valve Replacement (10/13/2020 - 10/14/2020)
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.