ALLOWABLE STRESS

• § 230.24 - Maximum allowable stress.

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

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

STRENGTH OF MATERIALS

• § 230.26 - Tensile strength of shell plates.

• § 230.27 - Maximum shearing strength of rivets.

• § 230.28 - Higher shearing strength of rivets.

INSPECTION AND REPAIR

• § 230.29 - Inspection and repair.

• § 230.30 - Lap-joint seam boilers.

• § 230.31 - Flues to be removed.

• § 230.32 - Time and method of inspection.

• § 230.33 - Welded repairs and alterations.

• § 230.34 - Riveted repairs and alterations.

PRESSURE TESTING OF BOILERS

• § 230.35 - Pressure testing.

• § 230.36 - Hydrostatic testing of boilers.

• § 230.37 - Steam test following repairs or alterations.

STAYBOLTS

• § 230.38 - Telltale holes.

• § 230.39 - Broken staybolts.

• § 230.40 - Time and method of staybolt testing.

• § 230.41 - Flexible staybolts with caps.

STEAM GAUGES

• § 230.42 - Location of gauges.

• § 230.43 - Gauge siphon.

• § 230.44 - Time of testing.

• § 230.45 - Method of testing.

• § 230.46 - Badge plates.

• § 230.47 - Boiler number.

• § 230.48 - Number and capacity.

• § 230.49 - Setting of safety relief valves.

• § 230.50 - Time of testing.

WATER GLASSES AND GAUGE COCKS

• § 230.51 - Number and location.

• § 230.52 - Water glass valves.

• § 230.53 - Time of cleaning.

• § 230.54 - Testing and maintenance.

• § 230.55 - Tubular type water and lubricator glasses and shields.

• § 230.56 - Water glass lamps.

INJECTORS, FEEDWATER PUMPS, AND FLUE PLUGS

• § 230.57 - Injectors and feedwater pumps.

• § 230.58 - Flue plugs.

FUSIBLE PLUGS

• § 230.59 - Fusible plugs.

WASHING BOILERS

• § 230.60 - Time of washing.

• § 230.61 - Arch tubes, water bar tubes, circulators and thermic siphons.

STEAM PIPES

• § 230.62 - Dry pipe.

• § 230.63 - Smoke box, steam pipes and pressure parts.

STEAM LEAKS

• § 230.64 - Leaks under lagging.

• § 230.65 - Steam blocking view of engine crew.