Line Breaking describes the safety precautions that are required whenever a pipeline is opened. This includes de-energinzing equipment using lockout and tagout devices, special precautions for different types of hazardous energy, line breaking exemptions, and a sample line breaking permit. Pertinent Regulations...Title 29 of the Code of Federal Regulations, Part 1910, Section 147 Topics Include...Overview, Exemptions, Lockout and Tagout Procedures, Permits, Line Breaking