UFC 3-560-01
6 December 2006
Including change 1, 7 December 2006
CHAPTER 11 UNDERGROUND LINES
Paragraph
11-1
UNDERGROUND WORK ............................................................. 11-1
11-2
GENERAL PROTECTION REQUIREMENTS .............................. 11-1
11-3
CABLE PULLING.......................................................................... 11-3
11-4
BURIED ELECTRICAL CABLES .................................................. 11-3
11-5
DAMAGE TO EXISTING UTILITY LINES..................................... 11-4
11-6
PREPARING TO WORK UNDERGROUND................................. 11-4
11-6.1
General Atmosphere Control Precautions Before Entry ............... 11-4
11-6.2
Atmosphere Testing Before Entering Underground Structures .... 11-5
11-6.3
Atmospheric Test Equipment........................................................ 11-6
11-6.4
Stray Electrical Voltage Testing .................................................... 11-6
11-6.5
Pumping a Manhole ...................................................................... 11-7
11-6.6
Removal of Duct Plugs ................................................................. 11-7
11-6.7
Emergency Entrance .................................................................... 11-7
11-6.8
Ventilation of Underground Structures.......................................... 11-7
11-7
WORK INSIDE UNDERGROUND STRUCTURES ...................... 11-8
11-7.1
General ......................................................................................... 11-8
11-7.2
Work Precautions ......................................................................... 11-9
11-7.3
Working on Cables and Apparatus ............................................... 11-10
CHAPTER 12 LOW-VOLTAGE INTERIOR SYSTEMS
Paragraph
12-1
WORKING ON INDOOR EQUIPMENT ........................................
12-1
12-1.1
Restricted Space ..........................................................................
12-1
12-1.2
Grounding Systems ......................................................................
12-1
12-1.3
Disconnection of Power Sources ..................................................
12-1
12-1.4
Related Building Systems .............................................................
12-1
12-2
LOW-VOLTAGE SYSTEMS .........................................................
12-1
12-2.1
Overview .......................................................................................
12-1
12-2.2
Battery Room Hazards .................................................................
12-2
12-2.3
Fire Alarm Systems ......................................................................
12-2
12-2.4
Solid-State Equipment ..................................................................
12-2
12-2.5
Low-Voltage Work Precautions ....................................................
12-2
12-3
ROTATING MACHINERY.............................................................
12-4
12-3.1
Hazards of Rotating Machinery ....................................................
12-4
12-3.2
Motors and Generators .................................................................
12-4
CHAPTER 13 SHORE-TO-SHIP ELECTRICAL POWER CONNECTIONS
Paragraph
13-1
CONNECT/DISCONNECT RESPONSIBILITIES ......................... 13-1
13-2
SHIP'S MAIN ELECTRICAL SERVICE COMPONENTS ............. 13-2
13-2.1
Shore High-Voltage Distribution System ...................................... 13-2
13-2.2
Pier Substations............................................................................ 13-2
13-2.3
Ship-to-Shore Pier Electrical Outlet Assemblies........................... 13-5
13-2.4
Ship-to-Shore Power Cables and Connectors .............................. 13-7
13-3
SHIP'S ELECTRICAL SERVICE COMPONENT RELATIONS .... 13-9
13-3.1
Equipment Physical Relationships................................................ 13-9
13-3.2
Electrical Circuit Arrangement ...................................................... 13-10
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