Boiler & Gas Path Inspections

FD Fan oil levels ok?

FD Fan guarding and covers in place and secure?

Elevation 155' - Check condition of intake screen

Elevation 155' - Check condition of intake Floor

Elevation 155' - Check condition of intake Duct work

Elevation 155' Inspect Cyclone separators for damage

CHECK FOR EXCESS ASH BUILDUP

CHECK FOR HOLES OR OPENINGS IN FLOOR, WALL, OR ROOF PENETRATIONS

Is the air heater clean or dirty?

Check OGA fan grease cartridge levels

OGA grease system have any leaks?

OGA fan guards and covers in place and secure?

Is the air heater clean or dirty?

Are there any leaks?

Superheater - Inspect all manway doors for tight closure and sound gaskets. (Left & Right doors)

Superheater tube tie-backs in place? Condition?

Superheater gas lanes clean? There should be no build-up.

Superheater tubes condition? Pay special attention to the soot blower lanes\ look closely for flat spots on the tube fronts and sides. Mark for inspection.

Superheater tube shields condition? Damaged or thin shields should be marked for replacement.

Superheater - Inspect all ductwork for corrosion damage, cracks, deformation. Look for evidence of air in-leakage.

Superheater - Inspect expansion joints for corrosion / ripped fabric.

Superheater - Condition of the Rapper Clamp bars

Gen bank - Inspect all manway doors for tight closure and sound gaskets. (Left & Right doors)

Gen Bank tubes condition? Pay special attention to the soot blower lanes\ look closely for flat spots on the tube fronts and sides. Mark for inspection.

Gen bank tube shields condition? Damaged or thin shields should be marked for replacement.

Gen bank gas lanes clean? There should be no build-up.

Gen bank - Inspect all ductwork for corrosion damage, cracks, deformation. Look for evidence of air in-leakage.

Gen bank - Inspect expansion joints for corrosion / ripped fabric.

Gen Bank - Condition of the Rapper Clamp bars

Gen bank baffle wall condition (Front side)? Look for holes or plate separation.

Gen bank baffle wall condition (Rear side)? Look for holes or plate separation.

Check the condition of the Rapper clamp bars.

Check the gen bank hoppers for cleanliness

Elevation 142' upper economizer - Inspect all manway doors for tight closure and sound gaskets. (Left & Right doors)

Elevation 142' upper economizer - Inspect flue gas turning veins for ash buildup? There should be no build-up.

Elevation 142' upper economizer - Inspect tube bundles for ash buildup? There should be no build-up.

Elevation 142' upper economizer - Inspect all ductwork for corrosion damage, cracks, deformation. Look for evidence of air in-leakage.

Elevation 142' upper economizer - Inspect expansion joints for corrosion / ripped fabric.

Elevation 124' lower economizer - Inspect all manway doors for tight closure and sound gaskets. (Left & Right doors)

Elevation 124' lower economizer - Inspect flue gas turning veins for ash buildup? There should be no build-up.

Elevation 124' lower economizer - Inspect tube bundles for ash buildup? There should be no build-up.

Elevation 124' lower economizer - Inspect all ductwork for corrosion damage, cracks, deformation. Look for evidence of air in-leakage.

Elevation 124' lower economizer - Inspect expansion joints for corrosion / ripped fabric.

Elevation 138' G9Bs A-E Inspection (All blowers should stop in the horizontal position)

Elevation 129' G9Bs F-J Inspection (All blowers should stop in the horizontal position)

Elevation 124' G9Bs K-O Inspection (All blowers should stop in the horizontal position)

Elevation 110' G9Bs P-T Inspection (All blowers should stop in the horizontal position)

Elevation 104' G9Bs U-Y Inspection (All blowers should stop in the horizontal position)

Is there ash build up on the lower economizer tube bundles?

Inspect the hopper doors for tight closure and sound gaskets.

Inspect all hoppers walls for corrosion damage, cracks, deformation. Look for evidence of air in-leakage.

which hoppers have issues?

Inspect all insulation and lagging for damage on each hopper.

Inspect all manway doors for tight closure and sound gaskets.

Inspect flue gas turning veins from Economizer to SDA for ash buildup & signs of corrosion, holes, deformation? There should be no build-up.

Inspect all CEMS, test, PAC injection ports joints for corrosion damage. CEMS probes should be free of ash blockage and corrosion.

Inspect all ductwork for corrosion damage, cracks, deformation. Look for evidence of air in-leakage.

Inspect expansion joints for corrosion / ripped fabric.

Inspect SDA inlet leading edge of Gas Disperser turning vanes. Look for corrosion at edge of each vane. Bottoms have historically corroded.

Inspect SDA Gas Disperser turning vanes have any holes or signs of corrosion?

Atomizer cone have any holes or other signs of corrosion? (Internal)

Inspect all manway doors for tight closure and sound gaskets. (FF Inlet door)

Inspect FF Temp, test, injection port joints for corrosion damage. Probes should be free of ash blockage and corrosion.

Inspect SDA Outlet to FF Inlet turning vanes for ash buildup & signs of corrosion, holes, deformation? There should be no build-up.

Inspect all ductwork for corrosion damage, cracks, deformation. Look for evidence of air in-leakage.

FF A&B Inlet coffin. Clean? Ash buildup? Corrosion? Holes? Damage? There should be no ash build-up.

Inspect the "A" inlet damper chain operator and chain wheel and ensure it is secured to the operating shaft. Verify with the control room operator that the "OPEN/CLOSE" limits are working.

Inspect the "A" inlet damper in the closed position. Verify that it closes all the way. Verify the inlet damper joints don't have any damage.

Inspect the "B" inlet damper chain operator and chain wheel and ensure it is secured to the operating shaft. Verify with the control room operator that the "OPEN/CLOSE" limits are working.

Inspect the "B" inlet damper in the closed position. Verify that it closes all the way. Verify the inlet damper joints don't have any damage.

FF C&D Inlet coffin Clean? Ash buildup? Corrosion? Holes? Damage? There should be no ash build-up.

Inspect the "C" inlet damper chain operator and chain wheel and ensure it is secured to the operating shaft. Verify with the control room operator that the "OPEN/CLOSE" limits are working.

Inspect the "C" inlet damper in the closed position. Verify that it closes all the way. Verify the inlet damper joints don't have any damage.

Inspect the "D" inlet damper chain operator and chain wheel and ensure it is secured to the operating shaft. Verify with the control room operator that the "OPEN/CLOSE" limits are working.

Inspect the "D" inlet damper in the closed position. Verify that it closes all the way. Verify the inlet damper joints don't have any damage.

FF E&F Inlet Coffin. Clean? Ash buildup? Corrosion? Holes? Damage? There should be no ash build-up.

Inspect the "E" inlet damper chain operator and chain wheel and ensure it is secured to the operating shaft. Verify with the control room operator that the "OPEN/CLOSE" limits are working.

Inspect the "E" inlet damper in the closed position. Verify that it closes all the way. Verify the inlet damper joints don't have any damage.

Inspect the "F" inlet damper chain operator and chain wheel and ensure it is secured to the operating shaft. Verify with the control room operator that the "OPEN/CLOSE" limits are working.

Inspect the "F" inlet damper in the closed position. Verify that it closes all the way. Verify the inlet damper joints don't have any damage.

FF G&H Inlet Coffin. Clean? Ash buildup? Corrosion? Holes? Damage? There should be no ash build-up.

Inspect the "G" inlet damper chain operator and chain wheel and ensure it is secured to the operating shaft. Verify with the control room operator that the "OPEN/CLOSE" limits are working.

Inspect the "G" inlet damper in the closed position. Verify that it closes all the way. Verify the inlet damper joints don't have any damage.

A-FF Outlet damper Inspection

B-FF Outlet damper Inspection

C-FF Outlet damper Inspection

D-FF Outlet damper Inspection

E-FF Outlet damper Inspection

F-FF Outlet damper Inspection

G-FF Outlet damper Inspection

H-FF Outlet damper Inspection

A-FF Compartment Bag Inspection

A-FF Compartment Pulse Jet header alignment (or other issues)

B-FF Compartment Bag Inspection

B-FF Compartment Pulse Jet header alignment (or other issues)

C-FF Compartment Bag Inspection

C-FF Compartment Pulse Jet header alignment (or other issues)

D-FF Compartment Bag Inspection

D-FF Compartment Pulse Jet header alignment (or other issues)

E-FF Compartment Bag Inspection

E-FF Compartment Pulse Jet header alignment (or other issues)

F-FF Compartment Bag Inspection

F-FF Compartment Pulse Jet header alignment (or other issues)

G-FF Compartment Bag Inspection

G-FF Compartment Pulse Jet header alignment (or other issues)

H-FF Compartment Bag Inspection

H-FF Compartment Pulse Jet header alignment (or other issues)

A-FF COMPARTMENT DOOR GASKET CONDITION?

A-FF COMPARTMENT DOOR HAVE ANY SIGNS OF AIR LEAKAGE?

A-FF COMPARTMENT DOOR HAVE EXCESSIVE CORROSION?

B-FF COMPARTMENT DOOR GASKET CONDITION?

B-FF COMPARTMENT DOOR HAVE ANY SIGNS OF AIR LEAKAGE?

B-FF COMPARTMENT DOOR HAVE EXCESSIVE CORROSION?

C-FF COMPARTMENT DOOR GASKET CONDITION?

C-FF COMPARTMENT DOOR HAVE ANY SIGNS OF AIR LEAKAGE?

C-FF COMPARTMENT DOOR HAVE EXCESSIVE CORROSION?

D-FF COMPARTMENT DOOR GASKET CONDITION?

D-FF COMPARTMENT DOOR HAVE ANY SIGNS OF AIR LEAKAGE?

D-FF COMPARTMENT DOOR HAVE EXCESSIVE CORROSION?

E-FF COMPARTMENT DOOR GASKET CONDITION?

E-FF COMPARTMENT DOOR HAVE ANY SIGNS OF AIR LEAKAGE?

E-FF COMPARTMENT DOOR HAVE EXCESSIVE CORROSION?

F-FF COMPARTMENT DOOR GASKET CONDITION?

F-FF COMPARTMENT DOOR HAVE ANY SIGNS OF AIR LEAKAGE?

F-FF COMPARTMENT DOOR HAVE EXCESSIVE CORROSION?

G-FF COMPARTMENT DOOR GASKET CONDITION?

G-FF COMPARTMENT DOOR HAVE ANY SIGNS OF AIR LEAKAGE?

G-FF COMPARTMENT DOOR HAVE EXCESSIVE CORROSION?

H-FF COMPARTMENT DOOR GASKET CONDITION?

H-FF COMPARTMENT DOOR HAVE ANY SIGNS OF AIR LEAKAGE?

H-FF COMPARTMENT DOOR HAVE EXCESSIVE CORROSION?

Check all FF hoppers: Clear of ash?

Hopper wall damage?

Doors in good condition?

A-FF HOPPER DOOR GASKET CONDITION?

A-FF HOPPER DOOR HAVE EXCESSIVE CORROSION?

A-FF HOPPER DOOR INSIDE SKIN INTACT?

B-FF HOPPER DOOR GASKET CONDITION?

B-FF HOPPER DOOR HAVE EXCESSIVE CORROSION?

B-FF HOPPER DOOR INSIDE SKIN INTACT?

C-FF HOPPER DOOR GASKET CONDITION?

C-FF HOPPER DOOR HAVE EXCESSIVE CORROSION?

C-FF HOPPER DOOR INSIDE SKIN INTACT?

D-FF HOPPER DOOR GASKET CONDITION?

D-FF HOPPER DOOR HAVE EXCESSIVE CORROSION?

D-FF HOPPER DOOR INSIDE SKIN INTACT?

E-FF HOPPER DOOR GASKET CONDITION?

E-FF HOPPER DOOR HAVE EXCESSIVE CORROSION?

E-FF HOPPER DOOR INSIDE SKIN INTACT?

F-FF HOPPER DOOR GASKET CONDITION?

F-FF HOPPER DOOR HAVE EXCESSIVE CORROSION?

F-FF HOPPER DOOR INSIDE SKIN INTACT?

G-FF HOPPER DOOR GASKET CONDITION?

G-FF HOPPER DOOR HAVE EXCESSIVE CORROSION?

G-FF HOPPER DOOR INSIDE SKIN INTACT?

H-FF HOPPER DOOR GASKET CONDITION?

H-FF HOPPER DOOR HAVE EXCESSIVE CORROSION?

H-FF HOPPER DOOR INSIDE SKIN INTACT?

Ensure all ductwork is clean

Inspect ductwork (Look for signs of corrosion\leakage)

Inspect Tubes(Look for corrosion\leakage)

Inspect ductwork (Look for signs of corrosion\leakage)

Inspect Tubes(Look for corrosion\leakage)

Inspect ductwork (Look for signs of corrosion\leakage)

Inspect Tubes(Look for corrosion\leakage)

SCR reactor metal surface corrosion

SCR reactor clean or dirty?

Inspect ductwork (Look for signs of corrosion\leakage)

Inspect Tubes(Look for corrosion\leakage)

Elevation 24' - Check condition of Duct work

Elevation 24' - Check condition of ID fan blades

Elevation 24' - Check for dust buildup on fan blades.

CONDUCT A VISUAL INSPECTION OF THE LEFT AUX GAS BURNER.

CONDUCT A VISUAL INSPECTION OF THE RIGHT AUX GAS BURNER.

A - DISCHARGER EXTERIOR CONDITION/CLEANLINESS?

A - DISCHARGER WATER BOX COVER CONDITION?

A - DISCHARGER WATER BOX CLEANLINESS

A - DISCHARGER UPPER DOOR CONDITION?

A - DISCHARGER ANY WEAR PLATES MISSING FROM INSIDE THE DISCHARGER?

A - DISCHARGER ANY WEAR PLATES MISSING FROM THE FRONT OF THE SLED?

A - DISCHARGER ANY SCRAPPER PLATES MISSING FROM THE TOP OF THE SLED?

A - DIVERTER GATE DISCHARGE SURFACE CLEANLINESS?

A - DIVERTER HYDRAULIC CYLINDER / HOSE LEAKS?

A - DIVERTER GATE HAVE ANY BUILDUP AROUND HYDRAULIC CYLINDERS / CLEANLINESS?

A - DIVERTER GATE FLOOR / SURROUNDING AREA CLEANLINESS?

B - DISCHARGER EXTERIOR CONDITION/CLEANLINESS?

B - DISCHARGER WATER BOX COVER CONDITION?

B - DISCHARGER WATER BOX CLEANLINESS

B - DISCHARGER UPPER DOOR CONDITION?

B - DISCHARGER ANY WEAR PLATES MISSING FROM INSIDE THE DISCHARGER?

B - DISCHARGER ANY WEAR PLATES MISSING FROM THE FRONT OF THE SLED?

B - DISCHARGER ANY SCRAPPER PLATES MISSING FROM THE TOP OF THE SLED?

B - DIVERTER GATE DISCHARGE SURFACE CLEANLINESS?

B - DIVERTER HYDRAULIC CYLINDER / HOSE LEAKS?

B - DIVERTER GATE HAVE ANY BUILDUP AROUND HYDRAULIC CYLINDERS / CLEANLINESS?

B - DIVERTER GATE FLOOR / SURROUNDING AREA CLEANLINESS?

A - SIFTINGS CONV EXTERIOR CONDITION/CLEANLINESS?

A - SIFTINGS CONV HEAD END DISCHARGE CHUTE INSPECTION DOOR CONDITION?

A - SIFTINGS CONV INSIDE HEAD END CHUTE CONDITION/CLEANLINESS?

A - SIFTINGS CONV HEAD END SPRAY BAR CONDITION/CLEANLINESS?

A - SIFTINGS CONV INSPECTION COVERS CONDITION?

A - SIFTINGS CONV ALL SIFTINGS CHUTES CLEAR?

B - SIFTINGS CONV EXTERIOR CONDITION/CLEANLINESS?

B - SIFTINGS CONV HEAD END DISCHARGE CHUTE INSPECTION DOOR CONDITION?

B - SIFTINGS CONV INSIDE HEAD END CHUTE CONDITION/CLEANLINESS?

B - SIFTINGS CONV HEAD END SPRAY BAR CONDITION/CLEANLINESS?

B - SIFTINGS CONV INSPECTION COVERS CONDITION?

B - SIFTINGS CONV ALL SIFTINGS CHUTES CLEAR?

B - SIFTINGS CONVCATWALKS CONDITION/CLEANLINESS?

Advise shift supervisor & control room that you will conducting the annual boiler outage low drum level trip test PM

Drain the steam drum during boiler start-up until low drum level trip comes in.

Generate the low level trip trend from the DCS.