Specifications

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2013 Deepwater Corrosion Services Inc. Specications subject to change without notice
ROV-II operation manual
2 Document 354-MN01-ENG Rev. C
Table of contents
1. ROV-II components 3
2. Reference documents 4
2.1 MSDS sheets 4
3. Health and safety 4
4. Installation procedure 4
4.1 Dive spread 4
4.2 ROV installation 5
4.3 Cautionary notes 5
5. Calibration 6
5.1 General 6
5.2 Using calibration for troubleshooting 6
5.3 Topside/bucket calibration 6
5.4 Subsea calibration 7
5.5 Proximity mode ground check 8
6. Operation 8
6.1 Wet check 8
6.2 Recording cathodic protection potentials 8
7. Taking cathodic protection potential readings 9
8. Data interpretation 9
9. Maintenance and repair 10
9.1 Tip replacement 10
9.2 Reference electrode element replacement 10
10. Troubleshooting 11
List of gures
Figure 1 Soft-splicing the whip onto the comms cable 4
Figure 2 SEA CON
®
RMG-3FS connector pin diagram 7
Figure 3 Identifying a failed reference electrode 8
Figure 4 Calibration vs. zinc coupon 12
Figure 5 Calibration cell-to-cell 13
Figure 6 Calibration vs. master Ag/AgCl electrode 14
Figure 7 Wiring schematic for diver-assisted platform survey 15
Figure 8 Wiring schematic for Deep C Meter™ readout 16
List of tables
Table 1 Normal cathodic protection ranges for bare carbon steel in seawater 9
Table 2 Troubleshooting quick guide 11