More air testing to check fluid bed activity.

Another shot of restarting the FD fan.

The pic that showed the metering screws feeding the drop legs, well these are the drop legs into the combustor. The two legs on the right are for Metering Bin #2 and you can see where the inside leg of that set (#3 leg) has been really hot at some point. The metal has been heat stressed quite a bit. The other two legs are from Metering Bin #1

Closer look at the header pipe welding from within the box.

Lowering the rotor into the casing.

It will never look like this again. I don't rememeber how thick that refractory is (loooks like concrete but it is not), but we learned to do refractory repairs also. The refractory is for heat protection of the metal framework and walls. The four square holes are for the incoming feed chutes that the wood fuel will drop into the combustor from the metering bins. You can also see the bed floor, the air nozzles are not in yet.

Another view of the fire box with the FD fan just starting back up, the flame is increasing.

This is the Turbine deck, control room in the back ground. Stairway leads up to the DA deck. Turbine Control rack being prepped for installation.

Some of the steam piping being put up for the Boiler. There is a lot of piping in a plant like this.

Setting the turbine rotor in place.

More ice forming on tower walls.

Working on setting the rotor in place.

Turbine Generator set at Northfork, General Electric 12.5 MW. Looks like there is still some insullation work to be done then the valve Rack can be put in place.

Looking at the DA and overhead crane. Turbine to the left, control room on the right.

More ice forming on tower walls.

Starting the FD (Forced Draft) Fan again while watching the fuel ignite.

Adding insulation and skin on the Precips , FD fan and Multicone section almost finished. The hopper section of the combustor is in place but no combustor walls yet.

These are the actual bed tubes, these were about a foot above the stagnant sand level but when the air was applied for combustion these were in the middle of all that swirling 1750 degree mess. We inspected them often, especially the curves and elbows, any bend was susceptible to wear from the abrasive sand.

Early work on the turbine. The unfinished room in the back is the break room.

On the left is the turbine/Generator building that includes the control room. The walls of the combustor furnace are being lowered here. Beyond that the precipitator is already built and maybe even the multicolne.

Unit has 2 litre glass chamber. Has top entry dust filter and spray attachement. Includes air filter/heater. Unit includes (1) spare 2 litre glass chamber. Unit is mounted on stainless steel frame.

There was always some small hole that you had to get in and clean. This is above the combustor getting into the superheater section. The build up you see on the tops of the tubes has to be cleaned, it's not easy moving around in there....

Another view from the turbine deck. I think this was taken from top of some scaffolding in the turbine room. The door on the left is the restrooms, the rest of that side is the operators break room.

View into the steam drum during an outage for inspection. The steam drum was not uncomfortable to get in or to be in, unlike the Mud drum that is just like putting on a straight jacket.

Just another view of the plant and mill on the way down from fishing in the upper lakes high above 2600ft plant elevation..

Another section of boiler tubes that needs to be checked and cleaned, at least you're not laying down in here but something will poke you.....

A view looking into the superheater section of the tubes. All the others are risers or downcomers. You can see the steam drum through the pipes. It looks like there are still some connections to be made.

The Electrical side of the schematic.

The Fluid bed, Cumbostor/Boiler side of the schematic.

Turbine Generator set at Northfork, General Electric 12.5 MW. Looks complete now, valve rack in place and all covers are on. Fire it up.

A higher view of the combustor box with another level of refractory added and looking at the back wall. Above the refractory they are welding the downcomers to the lower header. The back wall has a bottom access door for getting into the box, the three squares above that are the glass view ports on the back wall used to view combustion during operation. Above the three view ports are air injection ports.

This is the recirc lines coming from the boiler header tubes. Bad gasket leak, there are redundant pumps here but this one looks like it is still running since the valve is open. This repair required a complete shutdown.

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View into the mud drum during an outage. Everything was opened, inspected and cleaned.

I hated getting in the Mud Drum. It was smaller than the Steam Drum, you could not turn around or move easily. You had to come out legs first because of that. It was very claustrophobic.

Outside view of the steam drum and piping. The combustor is to the right of the drum, turbine building is that white building in lower part.

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The bed nozzle manifold is in place above the hoppers. The "T" shaped tube behind the combustor is the preheater/FD fan inlet.

A close up look at the air nozzles. They were six sided nozzles, each side had an air hole and I don't remember the specifics of the air flow through the nozzles. Also a better look at the metal crap that gets caught around them.

Setting the deck grating for the combustor catwalk and decking.

I was loading this fuel bay, thought it was a good time to take a picture.

There were 3 people on a shift. I was the lead board operator, had an outside guy to take care of all outside duties and a Fuel loader that operated the CAT to load the fuel bins.

I hated sitting upstairs all day so I trained the others to do my job so I could go play on the loader.

This is Winter 1986 at Aubery. Looking from the power plant to the mill up on the hill and in the front are the kilns on both sides for drying the lumber. The two pipes going out then making a right are the steam pipes going to the kilns and the condensate return back to us.

It wasn't uncommon to see a fuel truck flip, roll or something..... He was trying to dump Almond Shell.

Looking at the open roof, no walls fuel building at Northfork, This was about December 1987. We thought it was funny that the fuel building at the Auberry plant, some 700ft less elevation, only had walls but no roof, and even funnier that the fuel building in Dinuba, was completely enclosed, and it was only some 500ft above sea level. Seems like the higher the elevation the less building we got, which made no sense to us since it was hard to burn snow.

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Still setting the rotor. You can also see the unfinished control room in the background.

The plant as seen from the upper log deck.

A view from the back side of the combustor/boiler structure during steam purging. You can see vents open on top of the steam drum as well as one coming directly out the side on the upper deck.

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Really early in the construction, this is the turbine deck, the exciter is sitting right there. The steel framework there is for the control room/office and the stairs lead up to the DA deck that sits above the control room.

Don't even remember which transformer this was but we blew the transformer and had to rush order one from back east. Needless to say, we were down for a couple of days.