TE_5.4-005a-__Operating_Checklist_for_Peak_Shaving_Plant_(ne.doc

Contract Number:

OPERATING CHECKLIST FOR PEAK SHAVING PLANT

(NEW PLANT)

Notifications.

EMCS computer room (545-2518)

Fort Benning Fire Department (545-1220)

Atmos Energy Load Control Center (596-2660)

Start Up Procedure:

1. Open or check open the gas valve in the gas metering station.

2. Storage Tanks

Turn on nitrogen to the tank valves.

Open the liquid out, liquid in and vapor valves on three or more tanks.

Open or check open the valves to one propane pump.

3. Slowly open or check open all valves from the tanks to the vaporizer.

4. Vaporizer

Open the liquid inlet valve on the vaporizer

Open the propane valve to the burner

Turn on power to the vaporizer

Adjust gas pressure to the burner to 12 –15 psi by pressing the Charge switch. Do not over charge.

Turn on the water circulating pump.

Turn on the burner. The burner should operate to heat the water to 180 degrees and maintain that temperature.

6. Open or check open all valves from the air compressors to the mixer.

5. Air Compressors

Check air compressor is switched on at the mixer control panel

Press the start button on the air compressor.

Turn on the air drier switch on the air drier.

6. Switch on the propane pump at the mixer control panel.

7. Flaring Off

Slightly open the propane valve at the vaporizer to the flare.

Open the pilot valve on the flare and press the igniter switch to light the pilot.

Visually verify the pilot is lighted.

Simultaneously turn on the POM switch on the mixer control panel and open the propane valve at the flare. It will be necessary to repeat switching the POM switch until the plant stabilizes.

Open the propane valve to the flare at the vaporizer.

Operate the plant on flare until the mixer is warm and the specific gravity is correct.

8. Slowly open the mixed propane-air valve on the blender.

9. Close the propane valve on the flare.

10. Switch on the flow controller at the mixer control panel.

11. Plug in the flow controller at the old plant office.

12. Adjust natural gas flow into the system using the old flow controller.

Shut Down Procedure:

1. Fully open natural gas flow into the system using the flow controller in the old plant office.

2. Unplug the flow controller in the old plant office.

3. Close the mixed propane-air valve on the blender.

4. Open the propane valve on the flare.

5. Turn off the flow controller switch, the POM switch, and the propane pump switch on the mixer control panel.

6. Press the stop button on the air compressors.

7. Turn off the vaporizer burner and power to the vaporizer.

8. Close tank valves.

9. Close valves from the vaporizer to the flare.