Projects
PMU4-CC

Plant Mitchell Unit 4 Combined Cycle

Data Date: 24-Apr-26
Plan: 03-Mar-25 – 30-Apr-27
Legend: Not Started In Progress Complete Critical Milestone Showing 86 activities in PMU4 Plant Mitchell Unit 4 Combined Cycle × clear
Code
Activity
Start
Finish
Flt
%
PMU4-MS-001
Notice to Proceed (NTP)
02-Mar-25
02-Mar-25
0.0d
100%
EN-CV-100
Civil Site Plan & Grading Design
03-Mar-25
02-May-25
10.0d
100%
CN-SP-800
Mobilize to Site
16-Mar-25
05-Apr-25
0.0d
100%
EN-ME-200
Steam Turbine Foundation Spec
16-Mar-25
25-Apr-25
10.0d
100%
EN-EL-300
Substation Single Line Diagram
23-Mar-25
12-May-25
10.0d
100%
EN-CV-110
Foundation Design Package
31-Mar-25
19-Jun-25
10.0d
100%
CN-SP-810
Site Clearing & Grubbing
06-Apr-25
06-May-25
0.0d
100%
EN-IC-400
P&IDs Issue for Construction
06-Apr-25
05-Jul-25
10.0d
100%
EN-ME-210
HRSG Mechanical Design
13-Apr-25
12-Jul-25
10.0d
100%
EN-ME-230
Piping Isometrics — U/G
27-Apr-25
26-Jun-25
10.0d
100%
CN-SP-820
Mass Excavation
04-May-25
13-Jun-25
0.0d
100%
EN-EL-310
Cable Schedule & Routing
04-May-25
23-Jul-25
10.0d
100%
EN-ME-220
Piping Isometrics — A/G
11-May-25
29-Aug-25
10.0d
100%
EN-IC-410
Control System Architecture
18-May-25
27-Jul-25
10.0d
100%
PR-EQ-500
Award Steam Turbine PO
01-Jun-25
11-Jun-25
0.0d
100%
PR-EQ-520
Award HRSG PO
15-Jun-25
25-Jun-25
5.0d
100%
CN-SP-830
Site Drainage Install
15-Jun-25
15-Jul-25
0.0d
100%
PR-EQ-540
Award Generator PO
06-Jul-25
16-Jul-25
15.0d
100%
CN-SP-840
Construction Power
06-Jul-25
26-Jul-25
10.0d
100%
PR-EQ-505
Manufacture Steam Turbine
13-Jul-25
20-Mar-26
0.0d
100%
CN-CV-900
STG Foundation Excavation
27-Jul-25
05-Sep-25
0.0d
100%
PR-EQ-525
Manufacture HRSG
27-Jul-25
24-Mar-26
5.0d
100%
PR-BM-600
Procure Structural Steel
03-Aug-25
22-Oct-25
10.0d
100%
PR-EB-710
Procure Switchgear
10-Aug-25
07-Jan-26
0.0d
100%
PR-EQ-545
Manufacture Generator
17-Aug-25
25-Mar-26
15.0d
100%
CN-EL-UG-1220
Grounding Grid Install
24-Aug-25
23-Sep-25
10.0d
100%
PR-BM-610
Procure Piping Bulk Materials
31-Aug-25
09-Dec-25
5.0d
100%
CN-CV-910
STG Foundation Rebar & Forms
14-Sep-25
13-Nov-25
0.0d
100%
PR-EB-700
Procure Cable & Conduit
14-Sep-25
13-Dec-25
5.0d
100%
CN-EL-UG-1200
U/G Conduit Bank Install
21-Sep-25
20-Nov-25
10.0d
100%
CN-CV-930
HRSG Foundation Construction
05-Oct-25
03-Jan-26
0.0d
100%
CN-EL-UG-1230
Manholes & Pull Boxes
02-Nov-25
27-Nov-25
15.0d
100%
CN-CV-920
STG Foundation Pour & Cure
16-Nov-25
16-Dec-25
0.0d
100%
PMU4-MS-100
First Concrete Pour
30-Nov-25
30-Nov-25
0.0d
100%
CN-EL-UG-1210
U/G Cable Pulling
30-Nov-25
09-Jan-26
10.0d
100%
CN-CV-940
BOP Equipment Foundations
07-Dec-25
27-Mar-26
5.0d
100%
CN-ST-1000
STG Building Steel Erection
04-Jan-26
25-Mar-26
0.0d
100%
CN-CV-950
Switchyard Foundations
18-Jan-26
19-Mar-26
10.0d
100%
CN-ST-1010
HRSG Steel Erection
15-Feb-26
26-May-26
0.0d
67%
CN-EL-SW-1400
Switchyard Foundation
15-Feb-26
27-Mar-26
10.0d
100%
CN-ST-1020
Plant Building Steel
29-Mar-26
28-May-26
10.0d
42%
CN-EL-SW-1410
Substation Equipment Setting
05-Apr-26
25-May-26
10.0d
37%
PMU4-MS-002
All Foundations Complete
30-Apr-26
30-Apr-26
0.0d
0%
CN-ST-1030
Stack Erection
10-May-26
19-Jun-26
5.0d
0%
CN-EL-SW-1430
Transformer Setting
31-May-26
30-Jun-26
10.0d
0%
CN-ST-1040
Crane Rails & Monorails
31-May-26
30-Jun-26
10.0d
0%
PR-EQ-510
Ship & Receive Steam Turbine
31-May-26
10-Jul-26
0.0d
0%
PMU4-MS-003
Steel Topped Out
30-Jun-26
30-Jun-26
0.0d
0%
CN-EL-AG-1300
Cable Tray Install
12-Jul-26
20-Sep-26
0.0d
0%
CN-PI-1100
Set Steam Turbine Generator
12-Jul-26
10-Sep-26
0.0d
0%
PR-EQ-530
Ship & Receive HRSG
12-Jul-26
11-Aug-26
5.0d
0%
CN-PI-1110
Set HRSG Modules
26-Jul-26
24-Oct-26
0.0d
0%
PMU4-MS-200
Steam Turbine Set
31-Jul-26
31-Jul-26
0.0d
0%
CN-PI-1130
Cooling Water Piping
23-Aug-26
11-Nov-26
5.0d
0%
CN-EL-SW-1420
MV Switchgear Install
30-Aug-26
29-Oct-26
0.0d
0%
CN-PI-1140
BOP Equipment Setting
06-Sep-26
15-Nov-26
5.0d
0%
CN-PI-1120
Main Steam Piping Install
13-Sep-26
11-Jan-27
0.0d
0%
CN-EL-AG-1310
Cable Pulling — A/G
20-Sep-26
19-Dec-26
0.0d
0%
CN-IC-1520
DCS Cabinet Install
20-Sep-26
30-Oct-26
5.0d
0%
CN-EL-AG-1320
Lighting Install
04-Oct-26
03-Dec-26
5.0d
0%
CN-IC-1500
Field Instrument Install
11-Oct-26
30-Dec-26
0.0d
0%
CN-PI-1150
Fuel Gas Piping
11-Oct-26
10-Dec-26
10.0d
0%
CN-EL-AG-1330
Motor Connections
08-Nov-26
28-Dec-26
0.0d
0%
CN-PI-1170
Condensate Piping
08-Nov-26
18-Dec-26
10.0d
0%
CN-IC-1510
Instrument Tubing
15-Nov-26
04-Jan-27
5.0d
0%
CN-PI-1160
Auxiliary Steam Piping
15-Nov-26
04-Jan-27
5.0d
0%
CN-PN-1620
Tank Insulation
15-Nov-26
15-Dec-26
15.0d
0%
CN-PN-1600
Pipe Insulation
22-Nov-26
21-Jan-27
5.0d
0%
CN-PN-1610
Equipment Painting
06-Dec-26
15-Jan-27
10.0d
0%
CN-EL-AG-1340
Heat Tracing
13-Dec-26
12-Jan-27
10.0d
0%
CM-PR-1700
Mechanical Completion Walkdowns
03-Jan-27
12-Feb-27
0.0d
0%
CN-IC-1530
Loop Checks
03-Jan-27
04-Mar-27
0.0d
0%
CM-PR-1730
Electrical Testing & Energization
10-Jan-27
14-Feb-27
0.0d
0%
CM-PR-1710
Hydrostatic Testing
17-Jan-27
16-Feb-27
0.0d
0%
CM-PR-1720
Cleaning & Flushing
31-Jan-27
25-Feb-27
0.0d
0%
CM-CM-1800
Auxiliary Systems Commissioning
07-Feb-27
19-Mar-27
0.0d
0%
CM-CM-1810
BOP Systems Commissioning
21-Feb-27
28-Mar-27
0.0d
0%
CM-CM-1820
First Fire of Gas Turbine
28-Feb-27
28-Feb-27
0.0d
0%
CM-CM-1830
HRSG Steam Blow
07-Mar-27
06-Apr-27
0.0d
0%
CM-CM-1840
Steam Turbine Roll & Sync
21-Mar-27
15-Apr-27
0.0d
0%
CM-CM-1850
Combined Cycle Operation
28-Mar-27
02-May-27
0.0d
0%
CM-PT-1900
Performance Test Run #1
11-Apr-27
01-May-27
0.0d
0%
CM-PT-1910
Performance Test Run #2
18-Apr-27
08-May-27
0.0d
0%
CM-PT-1930
Punch List Closure
18-Apr-27
18-May-27
5.0d
0%
CM-PT-1920
Reliability Run (72hr)
25-Apr-27
05-May-27
0.0d
0%
PMU4-MS-999
Commercial Operation Date (COD)
29-Apr-27
29-Apr-27
0.0d
0%
Mar 2025 Apr 2025 May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 Nov 2025 Dec 2025 Jan 2026 Feb 2026 Mar 2026 Apr 2026 May 2026 Jun 2026 Jul 2026 Aug 2026 Sep 2026 Oct 2026 Nov 2026 Dec 2026 Jan 2027 Feb 2027 Mar 2027 Apr 2027 May 2027 Data Date
PMU4-MS-001 — Notice to Proceed (NTP) | 02-Mar-25 | Complete EN-CV-100 — Civil Site Plan & Grading Design | 03-Mar-25 → 02-May-25 | Complete 100% | float 10.0d EN-CV-100 CN-SP-800 — Mobilize to Site | 16-Mar-25 → 05-Apr-25 | Complete 100% | float 0.0d CN-SP-800 EN-ME-200 — Steam Turbine Foundation Spec | 16-Mar-25 → 25-Apr-25 | Complete 100% | float 10.0d EN-ME-200 EN-EL-300 — Substation Single Line Diagram | 23-Mar-25 → 12-May-25 | Complete 100% | float 10.0d EN-EL-300 EN-CV-110 — Foundation Design Package | 31-Mar-25 → 19-Jun-25 | Complete 100% | float 10.0d EN-CV-110 CN-SP-810 — Site Clearing & Grubbing | 06-Apr-25 → 06-May-25 | Complete 100% | float 0.0d CN-SP-810 EN-IC-400 — P&IDs Issue for Construction | 06-Apr-25 → 05-Jul-25 | Complete 100% | float 10.0d EN-IC-400 EN-ME-210 — HRSG Mechanical Design | 13-Apr-25 → 12-Jul-25 | Complete 100% | float 10.0d EN-ME-210 EN-ME-230 — Piping Isometrics — U/G | 27-Apr-25 → 26-Jun-25 | Complete 100% | float 10.0d EN-ME-230 CN-SP-820 — Mass Excavation | 04-May-25 → 13-Jun-25 | Complete 100% | float 0.0d CN-SP-820 EN-EL-310 — Cable Schedule & Routing | 04-May-25 → 23-Jul-25 | Complete 100% | float 10.0d EN-EL-310 EN-ME-220 — Piping Isometrics — A/G | 11-May-25 → 29-Aug-25 | Complete 100% | float 10.0d EN-ME-220 EN-IC-410 — Control System Architecture | 18-May-25 → 27-Jul-25 | Complete 100% | float 10.0d EN-IC-410 PR-EQ-500 — Award Steam Turbine PO | 01-Jun-25 → 11-Jun-25 | Complete 100% | float 0.0d PR-EQ-500 PR-EQ-520 — Award HRSG PO | 15-Jun-25 → 25-Jun-25 | Complete 100% | float 5.0d PR-EQ-520 CN-SP-830 — Site Drainage Install | 15-Jun-25 → 15-Jul-25 | Complete 100% | float 0.0d CN-SP-830 PR-EQ-540 — Award Generator PO | 06-Jul-25 → 16-Jul-25 | Complete 100% | float 15.0d PR-EQ-540 CN-SP-840 — Construction Power | 06-Jul-25 → 26-Jul-25 | Complete 100% | float 10.0d CN-SP-840 PR-EQ-505 — Manufacture Steam Turbine | 13-Jul-25 → 20-Mar-26 | Complete 100% | float 0.0d PR-EQ-505 CN-CV-900 — STG Foundation Excavation | 27-Jul-25 → 05-Sep-25 | Complete 100% | float 0.0d CN-CV-900 PR-EQ-525 — Manufacture HRSG | 27-Jul-25 → 24-Mar-26 | Complete 100% | float 5.0d PR-EQ-525 PR-BM-600 — Procure Structural Steel | 03-Aug-25 → 22-Oct-25 | Complete 100% | float 10.0d PR-BM-600 PR-EB-710 — Procure Switchgear | 10-Aug-25 → 07-Jan-26 | Complete 100% | float 0.0d PR-EB-710 PR-EQ-545 — Manufacture Generator | 17-Aug-25 → 25-Mar-26 | Complete 100% | float 15.0d PR-EQ-545 CN-EL-UG-1220 — Grounding Grid Install | 24-Aug-25 → 23-Sep-25 | Complete 100% | float 10.0d CN-EL-UG-1220 PR-BM-610 — Procure Piping Bulk Materials | 31-Aug-25 → 09-Dec-25 | Complete 100% | float 5.0d PR-BM-610 CN-CV-910 — STG Foundation Rebar & Forms | 14-Sep-25 → 13-Nov-25 | Complete 100% | float 0.0d CN-CV-910 PR-EB-700 — Procure Cable & Conduit | 14-Sep-25 → 13-Dec-25 | Complete 100% | float 5.0d PR-EB-700 CN-EL-UG-1200 — U/G Conduit Bank Install | 21-Sep-25 → 20-Nov-25 | Complete 100% | float 10.0d CN-EL-UG-1200 CN-CV-930 — HRSG Foundation Construction | 05-Oct-25 → 03-Jan-26 | Complete 100% | float 0.0d CN-CV-930 CN-EL-UG-1230 — Manholes & Pull Boxes | 02-Nov-25 → 27-Nov-25 | Complete 100% | float 15.0d CN-EL-UG-1230 CN-CV-920 — STG Foundation Pour & Cure | 16-Nov-25 → 16-Dec-25 | Complete 100% | float 0.0d CN-CV-920 PMU4-MS-100 — First Concrete Pour | 30-Nov-25 | Complete CN-EL-UG-1210 — U/G Cable Pulling | 30-Nov-25 → 09-Jan-26 | Complete 100% | float 10.0d CN-EL-UG-1210 CN-CV-940 — BOP Equipment Foundations | 07-Dec-25 → 27-Mar-26 | Complete 100% | float 5.0d CN-CV-940 CN-ST-1000 — STG Building Steel Erection | 04-Jan-26 → 25-Mar-26 | Complete 100% | float 0.0d CN-ST-1000 CN-CV-950 — Switchyard Foundations | 18-Jan-26 → 19-Mar-26 | Complete 100% | float 10.0d CN-CV-950 CN-ST-1010 — HRSG Steel Erection | 15-Feb-26 → 26-May-26 | In Progress 67% | float 0.0d CN-ST-1010 CN-EL-SW-1400 — Switchyard Foundation | 15-Feb-26 → 27-Mar-26 | Complete 100% | float 10.0d CN-EL-SW-1400 CN-ST-1020 — Plant Building Steel | 29-Mar-26 → 28-May-26 | In Progress 42% | float 10.0d CN-ST-1020 CN-EL-SW-1410 — Substation Equipment Setting | 05-Apr-26 → 25-May-26 | In Progress 37% | float 10.0d CN-EL-SW-1410 PMU4-MS-002 — All Foundations Complete | 30-Apr-26 | Not Started CN-ST-1030 — Stack Erection | 10-May-26 → 19-Jun-26 | Not Started 0% | float 5.0d CN-ST-1030 CN-EL-SW-1430 — Transformer Setting | 31-May-26 → 30-Jun-26 | Not Started 0% | float 10.0d CN-EL-SW-1430 CN-ST-1040 — Crane Rails & Monorails | 31-May-26 → 30-Jun-26 | Not Started 0% | float 10.0d CN-ST-1040 PR-EQ-510 — Ship & Receive Steam Turbine | 31-May-26 → 10-Jul-26 | Not Started 0% | float 0.0d PR-EQ-510 PMU4-MS-003 — Steel Topped Out | 30-Jun-26 | Not Started CN-EL-AG-1300 — Cable Tray Install | 12-Jul-26 → 20-Sep-26 | Not Started 0% | float 0.0d CN-EL-AG-1300 CN-PI-1100 — Set Steam Turbine Generator | 12-Jul-26 → 10-Sep-26 | Not Started 0% | float 0.0d CN-PI-1100 PR-EQ-530 — Ship & Receive HRSG | 12-Jul-26 → 11-Aug-26 | Not Started 0% | float 5.0d PR-EQ-530 CN-PI-1110 — Set HRSG Modules | 26-Jul-26 → 24-Oct-26 | Not Started 0% | float 0.0d CN-PI-1110 PMU4-MS-200 — Steam Turbine Set | 31-Jul-26 | Not Started CN-PI-1130 — Cooling Water Piping | 23-Aug-26 → 11-Nov-26 | Not Started 0% | float 5.0d CN-PI-1130 CN-EL-SW-1420 — MV Switchgear Install | 30-Aug-26 → 29-Oct-26 | Not Started 0% | float 0.0d CN-EL-SW-1420 CN-PI-1140 — BOP Equipment Setting | 06-Sep-26 → 15-Nov-26 | Not Started 0% | float 5.0d CN-PI-1140 CN-PI-1120 — Main Steam Piping Install | 13-Sep-26 → 11-Jan-27 | Not Started 0% | float 0.0d CN-PI-1120 CN-EL-AG-1310 — Cable Pulling — A/G | 20-Sep-26 → 19-Dec-26 | Not Started 0% | float 0.0d CN-EL-AG-1310 CN-IC-1520 — DCS Cabinet Install | 20-Sep-26 → 30-Oct-26 | Not Started 0% | float 5.0d CN-IC-1520 CN-EL-AG-1320 — Lighting Install | 04-Oct-26 → 03-Dec-26 | Not Started 0% | float 5.0d CN-EL-AG-1320 CN-IC-1500 — Field Instrument Install | 11-Oct-26 → 30-Dec-26 | Not Started 0% | float 0.0d CN-IC-1500 CN-PI-1150 — Fuel Gas Piping | 11-Oct-26 → 10-Dec-26 | Not Started 0% | float 10.0d CN-PI-1150 CN-EL-AG-1330 — Motor Connections | 08-Nov-26 → 28-Dec-26 | Not Started 0% | float 0.0d CN-EL-AG-1330 CN-PI-1170 — Condensate Piping | 08-Nov-26 → 18-Dec-26 | Not Started 0% | float 10.0d CN-PI-1170 CN-IC-1510 — Instrument Tubing | 15-Nov-26 → 04-Jan-27 | Not Started 0% | float 5.0d CN-IC-1510 CN-PI-1160 — Auxiliary Steam Piping | 15-Nov-26 → 04-Jan-27 | Not Started 0% | float 5.0d CN-PI-1160 CN-PN-1620 — Tank Insulation | 15-Nov-26 → 15-Dec-26 | Not Started 0% | float 15.0d CN-PN-1620 CN-PN-1600 — Pipe Insulation | 22-Nov-26 → 21-Jan-27 | Not Started 0% | float 5.0d CN-PN-1600 CN-PN-1610 — Equipment Painting | 06-Dec-26 → 15-Jan-27 | Not Started 0% | float 10.0d CN-PN-1610 CN-EL-AG-1340 — Heat Tracing | 13-Dec-26 → 12-Jan-27 | Not Started 0% | float 10.0d CN-EL-AG-1340 CM-PR-1700 — Mechanical Completion Walkdowns | 03-Jan-27 → 12-Feb-27 | Not Started 0% | float 0.0d CM-PR-1700 CN-IC-1530 — Loop Checks | 03-Jan-27 → 04-Mar-27 | Not Started 0% | float 0.0d CN-IC-1530 CM-PR-1730 — Electrical Testing & Energization | 10-Jan-27 → 14-Feb-27 | Not Started 0% | float 0.0d CM-PR-1730 CM-PR-1710 — Hydrostatic Testing | 17-Jan-27 → 16-Feb-27 | Not Started 0% | float 0.0d CM-PR-1710 CM-PR-1720 — Cleaning & Flushing | 31-Jan-27 → 25-Feb-27 | Not Started 0% | float 0.0d CM-PR-1720 CM-CM-1800 — Auxiliary Systems Commissioning | 07-Feb-27 → 19-Mar-27 | Not Started 0% | float 0.0d CM-CM-1800 CM-CM-1810 — BOP Systems Commissioning | 21-Feb-27 → 28-Mar-27 | Not Started 0% | float 0.0d CM-CM-1810 CM-CM-1820 — First Fire of Gas Turbine | 28-Feb-27 | Not Started CM-CM-1830 — HRSG Steam Blow | 07-Mar-27 → 06-Apr-27 | Not Started 0% | float 0.0d CM-CM-1830 CM-CM-1840 — Steam Turbine Roll & Sync | 21-Mar-27 → 15-Apr-27 | Not Started 0% | float 0.0d CM-CM-1840 CM-CM-1850 — Combined Cycle Operation | 28-Mar-27 → 02-May-27 | Not Started 0% | float 0.0d CM-CM-1850 CM-PT-1900 — Performance Test Run #1 | 11-Apr-27 → 01-May-27 | Not Started 0% | float 0.0d CM-PT-1900 CM-PT-1910 — Performance Test Run #2 | 18-Apr-27 → 08-May-27 | Not Started 0% | float 0.0d CM-PT-1910 CM-PT-1930 — Punch List Closure | 18-Apr-27 → 18-May-27 | Not Started 0% | float 5.0d CM-PT-1930 CM-PT-1920 — Reliability Run (72hr) | 25-Apr-27 → 05-May-27 | Not Started 0% | float 0.0d CM-PT-1920 PMU4-MS-999 — Commercial Operation Date (COD) | 29-Apr-27 | Not Started