-Primary impact restrictions may be necessary
TGP - Outage Impact Report
-Major impact restrictions may be necessary
Seven Day Forecast (updated 01/21/21)
-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
(1/25)
Tuesday
(1/26)
Wednesday
(1/27)
Thursday
(1/28)
Friday
(1/29)
Saturday
(1/30)
Sunday
(1/31)
Primary Outage(s) that may Impact Throughput
Est. Operational Capacity (Operational Impact) - Thousand Dth
Station 409 (Donna Line) (segment 490 FH)
589
Station 1
(segment 101 BH)
313
Station 9
(segment 109 BH)
1,061
955
(106)
MLV 8-2 to MLV 9-2: High Priority Anomaly (11/23/2020 - 5/23/2021)
Station 25
(segment 125 BH)
889
Station 823
(segment 823 BH)
708
Station 834
(segment 834 BH)
723
Station 860
(segment 548 BH)
1,648
1525
(123)
Sta 550: Unit 1A: Compressor Packing (1/19/2021 - 1/25/2021)
Station 860 North (Segment 860 BH)
1,968
Station 110
(segment 187 BH)
(south thru
Kentucky)
2,754
2650
(104)
Sta 110: Units 6A, 8A, & 9A: Electrical Inspections (1/25/2021 - 1/29/2021)
Station 114
(segment 114 BH)
940
MLVS 122: Broad Run Cornwell Meter: Emergent Repair (8/8/2017 - 12/31/2021)
Station 204
(Segment 204 BH)
1,906
1880
(26)
Sta 200: Unit 7A: 10k Inspection (1/25/2021 - 1/28/2021) Sta 209: Unit 10A: Catwalk Replacement (1/25/2021 - 2/5/2021)
Station 245
(segment 245 FH)
1,064
Station 261 Discharge (segment 261 FH)
995
Station 307
(segment 307 BH)
1,204
Station 315
(segment 315 BH)
1,977
Station 325
(segment 324 FH)
1,721
Station 405 HC Line (segment 299 FH)
824
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.
February 2021 (updated 01/21/21)
Station # / Lateral
Est Nominal Operating Capacity (Thousand Dth)
Week 1
(2/1 - 2/7)
Week 2
(2/8 - 2/14)
Week 3
(2/15 - 2/21)
Week 4
(2/22 - 2/28)
Primary Outage(s)
405
(184)
Sta 409 (So TX): Protective Device Inspections (2/10/2021)
890
(171)
850
(211)
MLV 5-2 to MLV 7-2: Spike Test (2/1/2021 - 4/30/2021)
MLV 5-2 to MLV 4-2: Pipe Replacement (2/15/2021 - 2/26/2021)
Station 847
(segment 847 BH)
318
215
(103)
MLV 851-1 to MLV 856-1: Pig Run - Cleaning / Gauge 2/8/21, Caliper 2/9/21,
MFL 2/11/21 (M) (2/8/2021 - 2/11/2021)
2605
(149)
Sta 106: Unit 1D: 20k Hour Inspection (2/4/2021 - 2/10/2021)
MLVS 122: Broad Run Cornwell Meter: Emergent Repair (8/8/2017 -
12/31/2021)
1870
(36)
Sta 209: Unit 10A: Catwalk Replacement (1/25/2021 - 2/5/2021)
Sta 200: Unit 9A: 10k Inspection (2/1/2021)
Sta 204: Unit 6A: Replace Gaskets & Maintenance (2/1/2021 - 2/4/2021) Sta 204: Unit 3A: Piston Inspection (2/8/2021 - 2/11/2021)
Sta 209: Unit 6A: Catwalk Replacement (2/8/2021 - 2/12/2021) Sta 209: Unit 9A: Catwalk Replacement (2/15/2021 - 2/19/2021)
Sta 204: Unit 10A: Exhaust System & Gasket Replacement (2/15/2021 - 2/25/2021)
1150
(54)
1165
(39)
Sta 307: Unit 6A: Crank Inspection & Replace Air Valves (2/1/2021 - 2/5/2021)
Sta 307: Unit 3A: Foundation Replacement (2/15/2021 - 5/21/2021)
March 2021 (updated 01/21/21)
(3/1 - 3/7)
(3/8 - 3/14)
(3/15 - 3/21)
(3/22 - 3/28)
Station 548
(segment 542 BH)
1,621
1220
(401)
1070
(551)
MLV 538-1 to MLV 540-1: Valve Replacement & Trap Mod (M) (3/1/2021 -
3/21/2021)
MLV 539-1 to MLV 541-1: Install Valve (M) (3/15/2021 - 4/2/2021)
1325
(323)
Sta 555: Safety System Fiber Upgrade (3/1/2021 - 3/4/2021)
April 2021 (updated 01/21/21)
(3/29 - 4/4)
(4/5 - 4/11)
(4/12 - 4/18)
(4/19 - 4/25)
Week 5
(4/26 - 5/2)
566
290
1,020
(130)
MLV 8-2 to MLV 9-2: High Priority Anomaly (11/23/2020 - 5/23/2021) MLV 5-2 to MLV 7-2: Spike Test (2/1/2021 - 4/30/2021)
MLV 17-1-1S to MLV 9-1D: Pig Run - Cleaning 4/7 - 4/9, Gauge 4/9, Combo 4/13 (4/7/2021 - 4/13/2021)
875
Station 32
(segment 132 BH)
870
(5)
MLV 40-2 to MLV 32-2: Maintenance Pig (M) (4/13/2021)
681
717
1,516
(446)
1125
(391)
MLV 539-1 to MLV 541-1: Install Valve (M) (3/15/2021 - 4/2/2021) MLV 540-1 to MLV 542-1: Install Valve (M) (4/5/2021 - 5/14/2021) MLV 540-1A to MLV 541-1: Class Change (4/5/2021 - 6/5/2021)
1,534
Station 860 North
(Segment 860 BH)
1,849
1745
MLV 866-1 to MLV 860-1: Pig Run - Cleaning / Gauge 4/6/21, MFL 4/8/21, Hardspot 4/13/21 (M) (4/5/2021 - 4/13/2021)
2,645
2155
(490)
Station 106: Annual ESD test (4/26/2021 - 4/30/2021)
917
845
(72)
MLVS 122: Broad Run Cornwell Meter: Emergent Repair (8/8/2017 - 12/31/2021) Sta. 118A: Annual ESD test (4/19/2021 - 4/20/2021)
Sta 118A: Unit 1A: Turbine Service and Filter Change Out (4/21/2021 - 4/23/2021)
1,834
998
Station 254
(segment 256 FH)
1,180
930
(250)
MLV 249-1 to MLV 254-1: Cleaning, Gage, Combo (4/20/2021 - 4/21/2021)
Station 261 Suction (segment 260 FH)
1,106
1000
Sta 261: Unit Replacement: Isolate systems from 1D (air compressor, generator, fuel gas, et al) (4/1/2021 - 8/1/2021)
881
1,153
1130
(23)
(153)
Sta 307: Unit 5A: Install Fuel Injection System and Fuel Gas Skid (5/1/2021 - 9/15/2021)
1,926
1,599
803