Operations

• s 255.601 Scope.
• s 255.603 General provisions.
• s 255.604 Qualification of pipeline personnel.
• s 255.605 Essentials of operating and maintenance plan.
• s 255.609 Change in class location: required study.
• s 255.611 Change in class location: confirmation or revision of maximum allowable operating pressure.
• s 255.613 Continuing surveillance.
• s 255.614 Damage prevention program.
• s 255.615 Emergency plans.
• s 255.616 Customer education and information program.
• s 255.619 Maximum allowable operating pressure: steel or plastic pipelines.
• s 255.621 Maximum allowable operating pressure: high-pressure distribution systems.
• s 255.623 Maximum and minimum allowable operating pressure: low-pressure distribution systems.
• s 255.625 Odorization of gas.
• s 255.627 Tapping pipelines under pressure.
• s 255.629 Purging of pipelines.
• s 255.631 Control room management.