Indiana Administrative Code
Title 675 - FIRE PREVENTION AND BUILDING SAFETY COMMISSION
Article 30 - INDIANA BOILER AND PRESSURE VESSEL RULES
Rule 11 - Existing Installations of Unfired Pressure Vessels (prior to July 1, 1953)
Section 11-3 - Safety factor

Universal Citation: 675 IN Admin Code 11-3
Current through September 18, 2024

Authority: IC 22-13-2-8

Affected: IC 22-15-6

Sec. 3.

The minimum factor of safety shall in no case be less than four (4) for carbon steel or low-alloy steel vessels operating with metal temperatures below seven hundred (700) degrees Fahrenheit. For high alloy steel the maximum allowable stress value shall be indicated in the applicable table of maximum allowable stress values provided in the applicable provisions of the ASME B&PVC in effect at the time of fabrication for the material and temperature involved. The factor of safety may be increased (or the maximum allowable stress may be reduced) when deemed necessary by the inspector to ensure the operation of the vessel is within safe limits.

Transferred from the Boiler and Pressure Vessel Rules Board ( 680 IAC 2-11-3) to the Fire Prevention and Building Safety Commission ( 675 IAC 30-11-3) by P.L. 249-2019, SECTION 15, effective July 1, 2019.

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