Recent Blog Posts

Video: Compressor Inspection Checklist – IIAR 6 Appendix B

August 22nd, 2023

Check out Resource Compliance’s free video on how to perform an IIAR 6 Appendix B Compressor Inspection Checklist. In this video presented by Resource Compliance, Peter Thomas, P.E. walks you through the steps necessary for completing the compressor checklist found in IIAR 6 Appendix B.  

Auditing Elements: Mechanical Integrity (Part 7)

September 14th, 2021

In this compliance audit blog series, we have decided to focus on each program element. If you plan to lead an audit, these lists will be instructional for you. But if you want to prepare for an upcoming audit, these lists will give you an idea of what to expect. Auditing the mechanical integrity element […]

Valve Exercising and IIAR 6

September 29th, 2020

Ammonia refrigeration systems are typically configured with hundreds of valves that require maintenance to help ensure that they will function properly when adjusted from their normal position. ANSI/IIAR 6-2019 Standard for Inspection, Testing, and Maintenance of Closed-Circuit Ammonia Refrigeration Systems includes the minimum requirements for valve inspection, testing, and maintenance (ITM) in Table 11.1.6. Concerning […]

Checklists: B109 vs. Appendix B (IIAR 6, Part 16)

March 31st, 2020

IIAR Bulletin No. 109 (B109) has been an integral part of ammonia refrigeration vernacular for over 20 years. “B109s” have been the gold standard for annual mechanical integrity inspections since the document was published in 1997. The ten easy to understand checklists which comprise most of the document have served our industry well during this […]

Relief Valve Replacement vs. Bench Testing (IIAR 6, Part 15)

March 17th, 2020

Replacement of pressure relief valves (PRVs) every five (5) years has long been established as RAGAGEP in industry documents (IIAR Bulletin No. 109 and No. 110) and manufacturer literature. ANSI/IIAR 6-2019 §13.1.2 introduces an alternative for owners that desire to increase the service life of their PRVs. The alternate test method can extend the service […]