MIL-HDBK-1025/10
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8.6
Work Inside Underground Structures .................................................. 120
8.6.1
General Inside Structure Safety ........................................................... 120
8.6.2
Precautions Before De-Energizing Underground Lines ........................ 121
8.6.3
De-energizing Underground Cables and Equipment ............................. 122
8.6.3.1
Isolation of Underground Lines................................................122
8.6.3.2
Underground Cable and Equipment Grounding ................................... 122
8.6.4
Requirements for Working on Underground Cables and Apparatus ..... 122
8.6.4.1
Underground De-energized Work ....................................................... 122
8.6.4.2
Protection Against Energized Parts ..................................................... 122
8.6.4.3
Underground Working Procedures...........................................123
8.6.4.4
Grounding Switch Operation ............................................................... 123
8.6.5
Cutting of Underground Cables ........................................................... 124
8.7
Heating Materials ................................................................................ 125
8.7.1
Eliminating Heating Material Hazards ................................................. 125
8.7.2
Heating Materials Work Precautions ................................................... 125
9.1
Connect/Disconnect Performance Responsibilities ............................... 127
9.2
Ship's Main Electrical Service Components ......................................... 127
9.2.1
Shore Medium-Voltage Distribution System........................................ 128
9.2.2
Pier Substations .................................................................................. 128
9.2.3
Ship-to-Shore Pier Electrical Outlet Assemblies .................................. 128
9.2.4
Ship-to-Shore Power Cables and Connectors ...................................... 128
9.3
Relation of Ship's Electrical Service Components ................................ 134
9.3.1
Equipment Physical Relationships........................................................ 134
9.3.2
Electrical Circuit Arrangement ............................................................ 134
9.3.2.1
General Electrical System Safety ......................................................... 134
9.3.2.2
Specific Shore-to-Ship Electrical System Safety .................................. 135
9.4
Unusual shore-to-Ship System Hazards ............................................... 136
9.4.1
9.4.2
Portable Power Cable and Outlet Safety Assurance ............................. 137
9.4.3
Electrical Equipment Accessibility and Working Space ........................ 137
9.4.3.1
Readily Accessible............................................................................... 137
9.4.3.2
Working Space ................................................................................... 138
9.4.4
Ship's Electrical Power Input Safety .................................................... 138
9.4.5
Parallel Operation ............................................................................... 139
9.5
Supporting Shore-to-Ship Safety Requirements ................................... 139
9.5.1
Specialized Shore-to-Ship System Training ......................................... 139
9.5.2
Specific SOP's..................................................................................... 139
9.5.2.1
SOP Preparation Responsibility ........................................................... 139
9.5.2.2
Specific Organization Requirements .................................................... 140
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