Part 255 Operations

 

Section

Description

255.601

Scope

255.603

General provisions

255.604

Operator qualification

255.605

Essentials of operating and maintenance plan

255.607

Verification of pipeline materials and attributes: Onshore steel transmission pipelines

255.609

Change in class location: Required study

255.611

Change in class location: Confirmation or revision of maximum allowable operating pressure

255.613

Continuing surveillance

255.614

Damage prevention program

255.615

Emergency plans

255.616

Customer education and information program

255.619

Maximum allowable operating pressure: Steel or plastic pipelines

255.621

Maximum allowable operating pressure: High pressure distribution systems

255.623

Maximum and minimum allowable operating pressure: Low pressure distribution systems

255.624

Maximum allowable operating pressure reconfirmation: Onshore steel transmission pipelines

255.625

Odorization of gas

255.627

Tapping pipelines under pressure

255.629

Purging of pipelines

255.631

Control room management

255.632

Engineering critical assessment for maximum allowable operating pressure reconfirmation: Onshore steel transmission pipelines