UFC 3-570-06
JANUARY 31 2003
3-2.2
Soil Resistives................................................................................... 3-1
3-2.3
Joint Bonds ....................................................................................... 3-1
3-2.4
Thermite Welds and Exposed Copper Wire ...................................... 3-1
3-2.5
Copper .............................................................................................. 3-1
3-2.6
Metallic Ferrous Pipe ........................................................................ 3-2
3-2.7
Lightning and Fault Current .............................................................. 3-2
3-3
SYSTEMS REQUIRING CATHODIC PROTECTION ....................... 3-2
3-3.1
New Piping Systems ......................................................................... 3-3
3-3.2
Existing Piping Systems .................................................................... 3-3
3-4
SYSTEMS NOT REQUIRING CATHODIC
PROTECTION (EXISTING) .............................................................. 3-3
3-5
FIELD TESTS ................................................................................... 3-3
3-6
DEVIATIONS .................................................................................... 3-3
CHAPTER 4 SCHEDULED PREVENTIVE MAINTENANCE
Paragraph
4-1
INTRODUCTION............................................................................... 4-1
4-2
CLOSE-INTERVAL CORROSION SURVEY .................................... 4-1
4-2.1
Maintenance Intervals ....................................................................... 4-1
4-2.2
Minimum Requirements .................................................................... 4-1
4-3
CORROSION SURVEY .................................................................... 4-4
4-3.1
Maintenance Interval......................................................................... 4-4
4-3.2
Minimum Requirements .................................................................... 4-4
4-4
WATER TANK CALIBRATION.......................................................... 4-8
4-4.1
Maintenance Intervals ....................................................................... 4-8
4-4.2
Minimum Requirements .................................................................... 4-8
4-5
RECTIFIER OPERATIONAL INSPECTION...................................... 4-10
4-5.1
Maintenance Intervals ....................................................................... 4-10
4-5.2
Minimum Requirements .................................................................... 4-10
4-6
IMPRESSED CURRENT ANODE BED ............................................ 4-11
4-7
IMPRESSED CURRENT SYSTEM CHECK ..................................... 4-11
4-7.1
Maintenance Intervals ....................................................................... 4-12
4-7.2
Minimum Requirements .................................................................... 4-12
4-8
GALVANIC ANODE CHECK............................................................. 4-12
4-8.1
Procedure ......................................................................................... 4-13
4-9
RESISTANCE BOND CHECK .......................................................... 4-13
4-9.1
Maintenance Interval......................................................................... 4-13
4-9.2
Minimum Requirements .................................................................... 4-13
4-10
LEAK SURVEY ................................................................................. 4-14
4-10.1
Maintenance Interval ........................................................................ 4-14
4-10.2
Minimum Requirements .................................................................... 4-14
4-10.3
Galvanic Anode Systems .................................................................. 4-15
4-11
RECORD KEEPING REQUIREMENTS............................................ 4-15
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