Procedures

5.2.1 Electromechanical Cables 5-2

5.2.2 Fiber Optic Cables 5-3

5.2.3 Cable Tracking and Fault Location 5-6

5.2.4 Cable Inspection 5-9

5.2.5 Cable Handling 5-14

5.2.5.1 Cable Retrieval and Handling 5-15

5.2.5.2 Cable Splicing 5-16

5.2.5.3 Cable Redeployment 5-16

5.3 PIPELINES 5-17

5.3.1 Pipeline Repair Safety 5-19

5.3.2 Leak Location 5-20

5.3.3 Preparation for Repair 5-20

5.3.4 Pipeline Repair 5-21

5.3.4.1 Clamps and Fabricated Patches 5-21

5.3.4.2 Commercial Repair Patches 5-23

5.3.4.3 Replacing Damaged Pipe Sections 5-27

5.3.4.4 Concrete Encasement 5-30

5.3.4.5 Flexible Pipe 5-31

5.3.4.6 Specialized Equipment 5-31

5.4 FLEET MOORINGS 5-31

5.4.1 In-Place Repair 5-32

5.4.1.1 Buoy Replacement 5-33

5.4.1.2 Mooring Leg Overhaul 5-33

5.4.2 Total Replacement 5-35

5.4.3 Cathodic Protection 5-35

5.5 STEEL PILES 5-36

5.5.1 Concrete Encasement 5-37

5.5.2 Partial Pile Replacement 5-45

5.5.3 Complete Pile Replacement 5-49

5.5.4 Protection of Steel Pile by Wrapping 5-49

5.5.5 Underwater Coatings 5-52

5.5.6 Cathodic Protection 5-52

5.6 STEEL SHEET PILE STRUCTURES 5-52

5.6.1 Patching 5-55

5.6.2 Concrete Capping and Facing 5-55

5.6.3 Replacement of Damaged Sheet Pile Wall 5-61

5.6.4 Tieback System Installation/Replacement 5-65

5.6.5 Wall Load Modification 5-65

5.6.7 Cathodic Protection 5-70

5.7 CONCRETE PILES 5-70

5.7.1 Concrete Encasement 5-70

5.7.2 Epoxy Patching/Injection 5-80

5.7.3 Replacement 5-83

5.7.4 Wrapping 5-83

5.8 CONCRETE SHEET PILE STRUCTURES 5-83

5.8.1 Replacement/Reconstruction 5-83

5.8.2 Tieback System Installation/Replacement 5-89

5.8.3 Wall Load Modification 5-89

5.9 TIMBER PILES 5-89

5.9.1 Concrete Encasement 5-89

5.9.2 Partial Replacement 5-92

5.9.2.1 Posting Techniques 5-92

5.9.2.2 Bracing Posted Piles 5-98

5.9.3 Completed Replacement 5-98

5.9.4 Wrapping 5-99

5.10 TIMBER SHEET PILE STRUCTURES 5-99

5.10.1 Patching 5-99

5.10.2 Concrete Capping/Facing 5-106

5.10.3 Tieback System Installation/Replacement 5-106

5.10.4 Wall Load Modification 5-106

5.11 CATHODIC PROTECTION SYSTEMS 5-106

5.11.1 Cathodic Protection Mechanism 5-109

5.11.2 Anode Replacement 5-110

5.12 SCOUR PROTECTION 5-110

5.12.1 Riprap Placement 5-110

5.12.2 Sheet Pile Driving 5-111

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