Subpart B. Subpart B—Boilers and Appurtenances

• § 230.23 - Responsibility for general construction and safe working pressure.

• Allowable Stress

  • SECTION § 230.24 - Maximum allowable stress.
  • SECTION § 230.25 - Maximum allowable stress on stays and braces.

• Strength of Materials

  • SECTION § 230.26 - Tensile strength of shell plates.
  • SECTION § 230.27 - Maximum shearing strength of rivets.
  • SECTION § 230.28 - Higher shearing strength of rivets.

• Inspection and Repair

  • SECTION § 230.29 - Inspection and repair.
  • SECTION § 230.30 - Lap-joint seam boilers.
  • SECTION § 230.31 - Flues to be removed.
  • SECTION § 230.32 - Time and method of inspection.
  • SECTION § 230.33 - Welded repairs and alterations.
  • SECTION § 230.34 - Riveted repairs and alterations.

• Pressure Testing of Boilers

  • SECTION § 230.35 - Pressure testing.
  • SECTION § 230.36 - Hydrostatic testing of boilers.
  • SECTION § 230.37 - Steam test following repairs or alterations.

• Staybolts

  • SECTION § 230.38 - Telltale holes.
  • SECTION § 230.39 - Broken staybolts.
  • SECTION § 230.40 - Time and method of staybolt testing.
  • SECTION § 230.41 - Flexible staybolts with caps.

• Steam Gauges

  • SECTION § 230.42 - Location of gauges.
  • SECTION § 230.43 - Gauge siphon.
  • SECTION § 230.44 - Time of testing.
  • SECTION § 230.45 - Method of testing.
  • SECTION § 230.46 - Badge plates.
  • SECTION § 230.47 - Boiler number.

• Safety Relief Valves

  • SECTION § 230.48 - Number and capacity.
  • SECTION § 230.49 - Setting of safety relief valves.
  • SECTION § 230.50 - Time of testing.

• Water Glasses and Gauge Cocks

  • SECTION § 230.51 - Number and location.
  • SECTION § 230.52 - Water glass valves.
  • SECTION § 230.53 - Time of cleaning.
  • SECTION § 230.54 - Testing and maintenance.
  • SECTION § 230.55 - Tubular type water and lubricator glasses and shields.
  • SECTION § 230.56 - Water glass lamps.

• Injectors, Feedwater Pumps, and Flue Plugs

  • SECTION § 230.57 - Injectors and feedwater pumps.
  • SECTION § 230.58 - Flue plugs.

• Fusible Plugs

  • SECTION § 230.59 - Fusible plugs.

• Washing Boilers

  • SECTION § 230.60 - Time of washing.
  • SECTION § 230.61 - Arch tubes, water bar tubes, circulators and thermic siphons.

• Steam Pipes

  • SECTION § 230.62 - Dry pipe.
  • SECTION § 230.63 - Smoke box, steam pipes and pressure parts.

• Steam Leaks

  • SECTION § 230.64 - Leaks under lagging.
  • SECTION § 230.65 - Steam blocking view of engine crew.