Executive Summary
- Shift operations remained largely nominal with 210 MW net dispatchable confirmed with BETM.
- One NOx excursion on Unit 1 at 14:22 (0.121 vs setpoint 0.120).
- Brief SO2 breach on Unit 2 at 16:04 (0.507 vs 0.500), cleared within 8 minutes.
- Boiler work order WO-4492 ~60% complete; thermal insulation nearing finalization.
- Fuel supply steady at 112% of baseline for the full shift.
Trips, Derates & Excursions
NOx breach — 0.121 > setpoint 0.120
SWD:11BGFRNUPR-AV · 14:22 · 12m
SO2 breach — 0.507 > setpoint 0.500
SWD:12BGFRNUPR-AV · 16:04 · 8m
Ammonia anomaly — t2 = 1180.0 (z=2.12)
17:00 · trending high
Stack opacity anomaly — 1.40 (z=-2.19)
16:00 · below expected
Equipment & Work Orders
| Status | Equipment | Note |
|---|---|---|
| Opened | 1G Gravimetric Feeder | Belt drive motor running rough — bearing/fan suspect |
| Opened | T2 548 Nuva Feeder | Leak on top of the tee |
| Opened | 1F Fuel Chute | Hole worn through below the spider air |
| Opened | T2 590 Fly Ash Vent | Elbow leak near "B" drop-out hoppers |
| Resolved | T1 B1 NIDs Mixer | Locked-up condition cleared by A crew |
NOx & SO2 Trend Drift
Unit 1 emissions vs setpoint · last 7 days
SWD:11BGFRNUPR-AV
Unit 1 NOxSWD:11BGFRNUPR-AV
Unit 2 SO₂SWD:12BGFRNUPR-AV
Handoff & Follow-ups
Cleared de-rate with BETM (Dino) — good for 210 NET MW
Dispatch · 10:08
McCreary informed BETM Seward ready to return to AGC — approved
Dispatch · 03:57
Shift Change — GL: Prato · CRL: Czar/McCreary · T1: Westover · T2: Heltzel
00:44
T1 690 valve closed — Boiler 1 offline @ 02:50
Dispatch · 06:55