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TECHNICAL EXHIBIT 20
CATHODIC PROTECTION SYSTEM PREVENTIVE MAINTENANCE CHECKLIST
SATISFACTORY
OUTPUT DC VOLTS
| CRAFT |
| W.T.O |
| RECTIFIER TAP SETTING |
| LOCATION |
| HCA |
| SET POTENTIAL |
MANUFACTURE
REFERENCE POTENTIAL
| BUILDING NUMBER |
| 460 |
| WATER LEVEL AT TIME OF READING |
SATISFACTORY
OUTPUT DC VOLTS
| CRAFT |
| W.T.O |
| RECTIFIER TAP SETTING |
| LOCATION |
| HCA |
| SET POTENTIAL |
MANUFACTURE
REFERENCE POTENTIAL
| BUILDING NUMBER |
| 461 |
| WATER LEVEL AT TIME OF READING |
SATISFACTORY
OUTPUT DC VOLTS
| CRAFT |
| W.T.O |
| RECTIFIER TAP SETTING |
| LOCATION |
| HCA |
| SET POTENTIAL |
| MANUFACTURE |
| UNIVERSAL |
| REFERENCE POTENTIAL |
| BUILDING NUMBER |
| 1098 |
| WATER LEVEL AT TIME OF READING |
SATISFACTORY
OUTPUT DC VOLTS
| CRAFT |
| W.T.O |
| RECTIFIER TAP SETTING |
| LOCATION |
| HCA |
| SET POTENTIAL |
| MANUFACTURE |
| GOODALL |
| REFERENCE POTENTIAL |
| BUILDING NUMBER |
| 1099 |
| WATER LEVEL AT TIME OF READING |
SATISFACTORY
OUTPUT DC VOLTS
| CRAFT |
| W.T.O |
| RECTIFIER TAP SETTING |
| LOCATION |
| MTD |
| SET POTENTIAL |
| MANUFACTURE |
| GOODALL |
| REFERENCE POTENTIAL |
| BUILDING NUMBER |
| 2350 |
| WATER LEVEL AT TIME OF READING |
SATISFACTORY
OUTPUT DC VOLTS
| CRAFT |
| UST FUEL |
| RECTIFIER TAP SETTING |
| LOCATION |
| LAAF |
| SET POTENTIAL |
| MANUFACTURE |
| GOODALL |
| REFERENCE POTENTIAL |
| BUILDING NUMBER |
| 3003 |
| WATER LEVEL AT TIME OF READING |
SATISFACTORY
OUTPUT DC VOLTS
| CRAFT |
| UST FUEL |
| RECTIFIER TAP SETTING |
| LOCATION |
| LAAF |
| SET POTENTIAL |
| MANUFACTURE |
| UNIVERSAL |
| REFERENCE POTENTIAL |
| BUILDING NUMBER |
| 3004 |
| WATER LEVEL AT TIME OF READING |
SATISFACTORY
OUTPUT DC VOLTS
| CRAFT |
| W.T.O |
| RECTIFIER TAP SETTING |
| LOCATION |
| LAAF |
| SET POTENTIAL |
| MANUFACTURE |
| GOODALL |
| REFERENCE POTENTIAL |
| BUILDING NUMBER |
| 3006 |
| WATER LEVEL AT TIME OF READING |
SATISFACTORY
OUTPUT DC VOLTS
| CRAFT |
| W.T.O |
| RECTIFIER TAP SETTING |
| LOCATION |
| LAAF |
| SET POTENTIAL |
| MANUFACTURE |
| GOODALL |
| REFERENCE POTENTIAL |
| BUILDING NUMBER |
| WT 280 |
| WATER LEVEL AT TIME OF READING |
SATISFACTORY
OUTPUT DC VOLTS
| CRAFT |
| W.T.O |
| RECTIFIER TAP SETTING |
| LOCATION |
| LAAF |
| SET POTENTIAL |
| MANUFACTURE |
| GOODALL |
| REFERENCE POTENTIAL |
| BUILDING NUMBER |
| WT 281 |
| WATER LEVEL AT TIME OF READING |
SATISFACTORY
OUTPUT DC VOLTS
| CRAFT |
| W.T.O |
| RECTIFIER TAP SETTING |
| LOCATION |
| KFR |
| SET POTENTIAL |
| MANUFACTURE |
| GOODALL |
| REFERENCE POTENTIAL |
| BUILDING NUMBER |
| 3480 |
| WATER LEVEL AT TIME OF READING |
SATISFACTORY
OUTPUT DC VOLTS
| CRAFT |
| W.T.O |
| RECTIFIER TAP SETTING |
| LOCATION |
| KFR |
| SET POTENTIAL |
| MANUFACTURE |
| GOODALL |
| REFERENCE POTENTIAL |
| BUILDING NUMBER |
| 3526 |
| WATER LEVEL AT TIME OF READING |
SATISFACTORY
OUTPUT DC VOLTS
| CRAFT |
| W.T.O |
| RECTIFIER TAP SETTING |
| LOCATION |
| KFR |
| SET POTENTIAL |
| MANUFACTURE |
| UNIVERSAL |
| REFERENCE POTENTIAL |
| BUILDING NUMBER |
| 3563 |
| WATER LEVEL AT TIME OF READING |
SATISFACTORY
OUTPUT DC VOLTS
| CRAFT |
| W.T.O |
| RECTIFIER TAP SETTING |
| LOCATION |
| CDA |
| SET POTENTIAL |
| MANUFACTURE |
| GOODALL |
| REFERENCE POTENTIAL |
| BUILDING NUMBER |
| WT 600/6002 |
| WATER LEVEL AT TIME OF READING |
SATISFACTORY
OUTPUT DC VOLTS
| CRAFT |
| W.T.O |
| RECTIFIER TAP SETTING |
| LOCATION |
| CDH |
| SET POTENTIAL |
MANUFACTURE
REFERENCE POTENTIAL
| BUILDING NUMBER |
| 6082 |
| WATER LEVEL AT TIME OF READING |
SATISFACTORY
OUTPUT DC VOLTS
| CRAFT |
| W.T.O |
| RECTIFIER TAP SETTING |
| LOCATION |
| CDH |
| SET POTENTIAL |
| MANUFACTURE |
| GOODALL |
| REFERENCE POTENTIAL |
| BUILDING NUMBER |
| 6086 |
| WATER LEVEL AT TIME OF READING |
SATISFACTORY
OUTPUT DC VOLTS
| CRAFT |
| W.T.O |
| RECTIFIER TAP SETTING |
| LOCATION |
| AIR CARGO |
| SET POTENTIAL |
| MANUFACTURE |
| GOODALL |
| REFERENCE POTENTIAL |
| BUILDING NUMBER |
| 2957 |
| WATER LEVEL AT TIME OF READING |
SATISFACTORY
OUTPUT DC VOLTS
| CRAFT |
| BIN WALLS |
| RECTIFIER TAP SETTING |
| LOCATION |
| KFR |
| SET POTENTIAL |
| MANUFACTURE |
| GALVANIC |
| REFERENCE POTENTIAL |
| BUILDING NUMBER |
| GP 23.1 |
| WATER LEVEL AT TIME OF READING |
SATISFACTORY
OUTPUT DC VOLTS
| CRAFT |
| BIN WALLS |
| RECTIFIER TAP SETTING |
| LOCATION |
| KFR |
| SET POTENTIAL |
| MANUFACTURE |
| GALVANIC |
| REFERENCE POTENTIAL |
| BUILDING NUMBER |
| HEX 11.1 |
| WATER LEVEL AT TIME OF READING |
SATISFACTORY
OUTPUT DC VOLTS
| CRAFT |
| BIN WALLS |
| RECTIFIER TAP SETTING |
| LOCATION |
| KFR |
| SET POTENTIAL |
| MANUFACTURE |
| GALVANIC |
| REFERENCE POTENTIAL |
| BUILDING NUMBER |
| GP 5 |
| WATER LEVEL AT TIME OF READING |