TE_5.4-005-_Operating_Checklist_for_Peak_Shaving_Plant_(old).doc

TECHNICAL EXHIBIT 5.4-005

OPERATING CHECKLIST FOR PEAK SHAVING PLANT

(Old Plant)

Pre-Start Up Procedures :

1. Notifications.

· EMCS Computer Room (545-2518)

· Fort Benning Fire Department (545-1220)

· Atmos Energy Load Control Center (596-2660)

2. Turn on Gas Valve in Gas Yard.

3. Electrical Panel #1

· Energize Circuits 1, 5, 7, 10, 11, 12, 14, 16

4. Boiler.

· Select Low on Rate of Fire Selector Switch

· Turn Control Switch to On Position

5. Air Compressors.

· Check Oil Level in Each Compressor.

· Select Air Compressor with Least Run Time.

· Start Unloaded the Selected Air Compressor.

6. Operator’s Office.

· Plug In Gas Flow Indicator

· Plug In Gas Flow Controller

· Change Chart Paper on Gas Flow Recorder

· Ensure that the Gas Glow Output Controller Selector is in Off Position

· Using Gas Pressure Control Switch, Slowly Raise or Lower Field Line Pressure to 29 PSI.

7. Set Fisher Control in Boiler Room for 30 PSI.

8. Set Control for Propane and Air Valves in Mixing Room for Mixed Air Pressure to the Field for 30 PSI (Foxboro Controller Should be Set on About 3.6 for 30 PSI).

9. Ranerex.

· Change Chart Paper and Date.

· Bring Ranerex On-Line and Calibrate.

10. Burn-Off Line Ignitor.

· Turn Selector Switch to On.

· Push Momentary Contact Red Push Button.

· Ensure Gas Flow and Ignition of Pilot.

11. Open Valve #150 on Burn-Off Line.

12. Propane Storage Tanks.

· Slowly Open the Red Valves on the Liquid Lines to at Least Three (3) Propane Tanks.

· Slowly Open the Blue Valves on the Liquid By-Pass Lines to the Same Three Tanks.

· Do Not Open the Green Valves on the Liquid Fill Lines to the Same Three Tanks.

· Indicate on Operator’s Log Sheet the Tanks in use and Record Required Information on each Tank.

13. Propane Liquid Pumps.

· Select Pump to be Used.

· Ensure Valve #116 is Closed (Liquid Line to Plant Without Going Through Pumps).

· Open Valve #118 (Propane to Plant).

· Open Valve #124 (Liquid Return to Tanks).

· Open Valve #209 (Vapor Return to Tanks).

· Pump #1: Open Valve #117 (Pump Inlet) and Open Valve #121 (Pump Outlet).

· Pump #2: Open Valves #122 and #123

14. Load the Air Compressor. Let Pressure Build to 40 PSI.

15. Place Ranerex in Operation.

16. Start Propane Liquid Pump. Pressure should be Between 120-160 PSI on the Gauges at the Pump Station.

17. Close Valve #101 on Vaporizer Drain Line.

18. Crack Open Valve #147 on Steam By-Pass Line When Steam Pressure Reaches at Least 10 PSI on the Pressure Gauge on the By-Pass Line.

19. Close Valve #147 on Steam By-Pass Line When Vaporizer Pressure Reaches 70 PSI on the Pressure Gauge on the Vaporizer.

Start Up Sequence:

1. Open Propane Liquid Valve (Valve #148). Pressure Should be Between 110-150 PSI on the Gauge Outside the Mixing Room.

2. Blender Control Panel.

· Turn Selector Switch to On Position.

· Press Start Button and Hold Until all Alarm Lights Have Cleared. This May Take Several Minutes. A Second Operator Should be Executing Step #21 Simultaneously.

3. Open Main Steam Valve (Valve #149).

Plant Should Begin Making Propane-Air Mixture and Stabilize after a Few Minutes. All Mixture Made Will be Flared-Off Through the Burn-Off Line.

4. Check Specific Gravity on Ranerex. Desired Range is Between 1.27-1.29 (BTUs 1340-1360). Adjust Manual Regulator Until Specific Gravity is Within Desired Range.

5. Operator’s Office.

· Ensure that Mixed Gas Line Pressure is at Least 1 PSI higher than Field Line Pressure on the Gauges in the Operator’s Office.

· Adjust Mixed Gas Line Pressure Using the Foxboro Controller.

· Call EMCS for Flow Rate to be Programmed. Initial Flow Rate ______ x 1000 CF.

· Turn Gas Flow Output Controller Selector to On Position.

· Turn Manual/Auto Selector to Manual.

· Using Programmable Controller Close the Gas Valve Controlling the Flow from the Gas Company.

6. Open 8” Manual Gas Valve (Valve #119) to the Gas Yard.

7. Close Valve #150 on Burn-Off Line.

8. Record All Data Required in the Operator’s Log.

Data Will be Recorded Every 15 Minutes for the First 2 Hours After Start-Up and Every Hour Thereafter.

Shutdown Procedure:

1. Fully Open the Valve on the United Cities Supply Line Using the Programmable Controller.

2. Open Valve #___ on Burn-Off Line.

3. Close 8” Manual Gas Valve (Valve #___) to the Gas Yard.

4. Blender Control Panel.

· Push Stop Button on the Blender Control Panel.

· Turn Selector Switch on Blender Control Panel to Off Position.

As Quickly As Possible

5. Turn Off Propane Liquid Pump.

6. Close Steam Valve to Vaporizer (Valve #___).

7. Close Valve #___ on the Propane Liquid Supply Line to the Vaporizer.

8. Propane Liquid Pumps.

· Pump #1: Close Valve #117 (Pump Inlet), Close Valve #121 (Pump Outlet), Close Valve #118 (Propane to Plant), Close Valve #124 (Liquid Return to Tanks), Close Valve #209 (Vapor Return to Tanks).

· Pump #2: Close Valve #122 and Close Valve #123.

9. Propane Storage Tanks.

· Ensure the Green Valves on the Liquid Fill Lines to all the Propane Tanks are Closed.

· Close the Red Valves on the Liquid Lines to all the Propane Tanks.

· Close the Blue Valves on the Vapor Lines to all the Propane Tanks.

10. Turn Off Boiler. (Note: Boiler May Be Needed for Freeze Protection and Should Not be Turned Off)

11. Unload Compressor. Compressor Should Run for at Least 5 Minutes With no Load Before Being Turned Off.

12. Turn Off Ranerex.

13. Turn Off Compressor.

14. Open Valve #101 on Vaporizer Drain Line.

Wait Minimum 15 Minutes Before Proceeding With Next Step.

15. Close Valve #___ on Burn-Off Line.

16. Turn Off Ignitor.

17. Operator’s Office.

· Unplug In Gas Flow Indicator.

· Unplug In Gas Flow Controller.

· Ensure that the Gas Flow Output Controller Selector is Off.

· Using Gas Pressure Control Switch, Slowly Raise or Lower Field Line Pressure to 29 PSI.

18. Electrical Panel #1. (De-energize Circuits 1, 5, 7, 10, 11, 12, 14, and 16)

19. Turn Off Gas Valve in the Gas Yard.

20. Check Out with EMCS Operator.

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