-Primary impact restrictions may be necessary
TGP - Outage Impact Report
-Major impact restrictions may be necessary
Seven Day Forecast (updated 10/08/20)
-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
(10/12)
Tuesday
(10/13)
Wednesday
(10/14)
Thursday
(10/15)
Friday
(10/16)
Saturday
(10/17)
Sunday
(10/18)
Primary Outage(s) that may Impact Throughput
Est. Operational Capacity (Operational Impact) - Thousand Dth
Station 409 (Donna Line) (segment 490 FH)
575
570
(5)
Sta 409A: Unit Automation Upgrade (10/14/2020)
MLV 406
(segment 406 BH)
405
385
(20)
MLV 409-1 to MLV 400-1: Anomaly Remediation (10/12/2020 - 10/16/2020)
Station 1
(segment 101 BH)
270
Station 9
(segment 109 BH)
1,011
Station 25
(segment 125 BH)
875
Station 823
(segment 823 BH)
682
Station 834
(segment 834 BH)
689
Station 542
(segment 534 BH)
1,561
800
(761)
MLV 539-2 to MLV 541-2: Anomaly Remediation (10/12/2020 - 10/21/2020)
Station 860
(segment 548 BH)
1,534
1250
(284)
1495
(39)
1510
(24)
Sta 550: Unit 3A: Regrout (5/11/2020 - 1/31/2021)
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 555: Unit 1B: Automation Upgrade (10/16/2020 - 11/19/2020)
Station 860 North (Segment 860 BH)
1,821
Station 110
(segment 187 BH)
(south thru Kentucky)
2,623
2545
(78)
2185
(438)
2385
(238)
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 106: Building B Yard Valves Tie In (10/13/2020 - 10/14/2020)
MLV 96-1 to MLV 87-1: Pig Runs: Cleaning 10/13, Caliper 10/15, MDS 10/20 (10/13/2020 - 10/20/2020)
Station 114
(segment 114 BH)
923
500
(423)
MLVS 122: Broad Run Cornwell Meter: Emergent Repair (8/8/2017 - 12/31/2020)
MLVS 121: Repair Meter Header (Meter: 400459) (M) (10/13/2020)
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)
Sta 204: Unit 10A: Automation Upgrade (9/28/2020 - 10/25/2020) Sta 200: Unit 8A: 10k Inspection (10/12/2020 - 10/16/2020)
Station 245
(segment 245 FH)
998
895
(103)
MLVS 243-1: Pipe Replacement (M) (9/10/2020 - 10/20/2020) Sta 245: Unit 1B: 50k Overhaul (10/5/2020 - 11/12/2020)
MLV 244-1 to MLV 245-1: Anomaly Verification Dig (10/12/2020 - 10/19/2020) Sta 245: Unit 2B: Replace Chocks (10/12/2020 - 10/20/2020)
Station 261 Discharge (segment 261 FH)
897
Station 307
(segment 307 BH)
1,148
1130
(18)
Sta 307: Unit 6A: Engine Overhaul (3/16/2020 - 10/15/2020)
Station 315
(segment 315 BH)
1,927
Station 325
(segment 324 FH)
1,599
1450
(149)
Sta 325: Unit 3A: Water Wash & Borescope (10/12/2020) Sta 325: Unit 4A: Water Wash & Borescope (10/13/2020)
Station 405 HC Line (segment 299 FH)
803
710
(93)
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.
The impacts sheet are based on steady-state hydraulic models assuming recent operating flows, conditions, and various unit outages.
October 2020 (updated 10/08/20)
Station # / Lateral
Est Nominal Operating Capacity (Thousand Dth)
Week 1
(10/5 - 10/11)
Week 2
(10/12 - 10/18)
Week 3
(10/19 - 10/25)
Week 4
(10/26 - 11/1)
Primary Outage(s)
0
(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)
165
(105)
Sta 1: Building Protection System Upgrade (10/26/2020 - 10/28/2020)
925
(86)
855
(156)
Sta. 17: Annual ESD test (10/22/2020)
Sta 11A: 12k Inspection (10/27/2020 - 10/28/2020)
535
(154)
Sta 827: Unit 3A: Water Wash (10/21/2020)
Station 847
(segment 847 BH)
285
(120)
Sta 847: Annual ESD test (10/22/2020)
(segment 538 BH)
1,238
Station 548
(segment 542 BH)
1,514
1000
(514)
Sta 542: Filter Change Out (10/26/2020 - 10/30/2020) Sta 542: Annual ESD test (10/26/2020 - 10/30/2020)
Sta 204: Unit 10A: Automation Upgrade (9/28/2020 - 10/25/2020) Sta 200: Unit 10A: 10k Inspection (10/19/2020 - 10/23/2020)
955
(43)
Sta 241: Unit 1B: Replace Chocks (10/19/2020 - 10/27/2020)
745
(152)
Sta 261: Emergency Generator (M) (10/20/2020)
1070
1135
(13)
MLV 219-2D to MLV 303-1: Anomaly Remediation (10/19/2020 - 10/24/2020) MLV 304-2 to MLV 306-2: SCCDA (10/26/2020 - 11/7/2020)
Station 321
(segment 321 FH)
1,902
1885
(17)
Station 319: Annual ESD test (10/29/2020)
November 2020 (updated 10/08/20)
(11/2 - 11/8)
(11/9 - 11/15)
(11/16 - 11/22)
(11/23 - 11/29)
601
320
1,061
889
Station 32
(segment 132 BH)
825
(64)
MLV 40-2 to MLV 32-2: Maintenance Pig (M) (11/17/2020)
698
712
610
(102)
Sta 836A: Annual ESD test (11/20/2020)
1,643
(133)
1170
(473)
1530
(113)
Sta 555: Unit 1B: Automation Upgrade (10/16/2020 - 11/19/2020) Sta 550: Install Load Lines (11/9/2020 - 11/13/2020)
1,955
(south thru
Kentucky)
2,731
2605
(126)
MLV 87-2 to MLV 96-2: Anomaly Remediation From ILI (9/14/2020 - 12/30/2020)
946
845
(101)
Sta. 118A: Annual ESD test & Station Maintenance (11/2/2020 - 11/6/2020)
1,901
1880
(21)
Sta 209: Unit 7A: Engine Inspection (6/1/2020 - 11/20/2020) Sta 200: Unit 2A: 10k Inspection (11/16/2020 - 11/20/2020)
1,064
980
(84)
Sta 245: Unit 1B: 50k Overhaul (10/5/2020 - 11/12/2020)
Sta 249: Unit 2A - Crankcase Inspection (11/9/2020 - 11/13/2020)
979
Fitchburg Lat to Gloucester (segment 268 FH)
202
1,198
(63)
1165
(33)
MLV 304-2 to MLV 306-2: SCCDA (10/26/2020 - 11/7/2020)
Sta 219: Unit 1B: Protective Devices (11/9/2020 - 11/12/2020)
1,979
1,711
824
December 2020 (updated 10/08/20)
(11/30 - 12/6)
(12/7 - 12/13)
(12/14 - 12/20)
(12/21 - 12/27)
Week 5
(12/28 - 1/3)
431
(46)
MLV 409-1 to MLV 400-1: Anomaly Remediation (12/1/2020 - 12/18/2020)
995
(66)
MLV 5-2 to MLV 2-2: Pipe Replacement (12/7/2020 - 12/18/2020)
775
(114)
Sta. 25: Annual Electrical Inspection (12/7/2020 - 12/11/2020)
Sta. 25: Annual ESD test (12/7/2020 - 12/11/2020)
2295
(436)
MLV 87-2 to MLV 96-2: Anomaly Remediation From ILI (9/14/2020 -
12/30/2020)
Sta 106: Station Yard Valves Tie In (12/4/2020 - 12/13/2020)
MLVS 122: Broad Run Cornwell Meter: Emergent Repair (8/8/2017 -
12/31/2020)
January 2021 (updated 10/08/20)
(1/4 - 1/10)
(1/11 - 1/17)
(1/18 - 1/24)
(1/25 - 1/31)
1895
(6)
Sta 200: Unit 3A: 10k Inspection (1/11/2021 - 1/15/2021)
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