Recent Blog Posts

IIAR 6 Appendix B Pressure Vessels Checklist | Part 9

September 17th, 2024

Part 9: This is a continuation of our blog series explaining how to perform an IIAR 6 Appendix B inspection of an ammonia pressure vessel. Item Q asks the inspector to verify that the sight glass is adequately protected from traffic, equipped with 360° guards, and configured with internal check valves if the glass breaks. […]

Ammonia Week in Review | September 6, 2024

September 6th, 2024

Ammonia Sails in this week’s edition of the Ammonia Week in Review… ClassNK Publishes Ammonia Leak Estimates – Japanese classification society ClassNK has published estimated leak frequencies of ammonia fuel from onboard components for ammonia-fuelled ships, to be used for risk assessment. […keep reading] Q&A | Safe Access to Equipment – Question: Do I have to provide safe access […]

Machinery Room Ventilation System Tests

August 6th, 2024

Machinery room ventilation systems have long been required by model codes and standards. Dating back to at least the 1967 Uniform Mechanical Code[1], refrigeration machinery rooms have been required to be configured with adequate ventilation in the event of a refrigerant release. While we have written previously about the current ventilation design, control, and testing […]

Ammonia Week in Review | June 7, 2024

June 7th, 2024

Ammonia Cruises in this week’s edition of the Ammonia Week in Review… Ammonia Leak at Leisure Rinks Forces closure – “It looked like one of the compressors failed about ten gallons of product,” said Jay Knavel, District Chief. […keep reading] Piping Inspection Checklist – IIAR 6 Appendix B – In this video presented by Resource Compliance, Peter Thomas, P.E. […]

Ammonia Week in Review | May 24, 2024

May 24th, 2024

Ammonia Contained in this week’s edition of the Ammonia Week in Review… Emergency Crews Quickly Contain Ammonia Leak at Sanford Ice Facility – Fire Chief Scott Susi said the response was “perfectly executed.” […keep reading] Safety Systems Inspection Checklist – IIAR 6 Appendix B Video – In this video presented by Resource Compliance, Peter Thomas, P.E. walks you through the […]