Sec. 255.701. Scope

Sec. 255.703. General

Sec. 255.705. Transmission lines: patrolling

Sec. 255.706. Transmission lines: leakage surveys

Sec. 255.707. Line markers for mains and transmission lines

Sec. 255.709. Transmission lines: recordkeeping

Sec. 255.711. Transmission lines: general requirements for repair procedures

Sec. 255.713. Transmission lines: permanent field repair of imperfections and damages

Sec. 255.715. Transmission lines: permanent field repair of welds. Each weld that is unacceptable under section 255.241(c) of this Part must be repaired according to the following requirements:

Sec. 255.717. Transmission lines: permanent field repair of leaks

Sec. 255.719. Transmission lines: testing of repairs

Sec. 255.720. Distribution systems: leak repair

Sec. 255.721. Distribution systems: patrolling

Sec. 255.723. Distribution systems: leakage surveys and procedures

Sec. 255.724. Distribution systems: service lines

Sec. 255.725. Test requirements for reinstating service lines

Sec. 255.726. Inactive service lines

Sec. 255.727. Abandonment or inactivation of facilities

Sec. 255.729. Compressor stations: procedures for gas compressor units

Sec. 255.731. Compressor stations: inspection and testing of relief devices

Sec. 255.732. Compressor stations: additional inspections

Sec. 255.733. Compressor stations: isolation of equipment for maintenance or alterations

Sec. 255.735. Compressor stations: storage of combustible materials

Sec. 255.736. Compressor stations: gas detection

Sec. 255.737. Pipe-type and bottle-type gas holders

Sec. 255.739. Pressure-limiting and -regulating stations: inspection and testing

Sec. 255.740. Pressure regulating, limiting, and overpressure protection - individual service lines directly connected to production, gathering, or transmission pipelines

Sec. 255.741. Pressure-limiting and -regulating stations: telemetering or recording gauges

Sec. 255.743. Pressure-limiting and -regulating stations: testing relief device

Sec. 255.744. Service regulators and vents: inspection

Sec. 255.745. Valve maintenance: transmission lines

Sec. 255.747. Valve maintenance: distribution systems

Sec. 255.748. Valve maintenance: service line valves

Sec. 255.749. Vault maintenance

Sec. 255.751. Prevention of accidental ignition

Sec. 255.753. Caulked bell and spigot joints

Sec. 255.755. Protecting cast iron pipelines

Sec. 255.756. Replacement of exposed or undermined cast iron piping

Sec. 255.757. Replacement of cast iron mains paralleling excavations

Sec. 255.758. Joining plastic pipe by heat fusion; equipment maintenance and calibration