Bryan Haywood

Pressure Differential Between Safety or Safety Relief Valve Setting and Pressure Vessel Operating Pressure (NBIC)

We have seen this far too often… operating ranges that are too close to RV set points.  Here is some excellent guidance from a great pressure vessel RAGAGEP, the National Board (NBIC-Parts 1-3) on how to establish the DESIGN characteristics for a pressure vessel based on the OPERATING PARAMETERS the vessel will be operating in…

How strong is your MI “Quality Assurance Program”?

Both OSHA and EPA require PSM/RMP facilities, more specifically covered process(s), have a QA program in their Mechanical Integrity (MI) Program… 1910.119(j)(6) Quality assurance. 1910.119(j)(6)(i) In the construction of new plants and equipment, the employer shall assure that equipment as it is fabricated is suitable for the process application for which they will be used. 1910.119(j)(6)(ii) Appropriate checks

Does 1910.134 require a separate fit test for each harness where respirator wearers are required to use different harnesses, depending on their job task? (OSHA LOI)

Background: You’ve pointed out that in some workplaces, employees may be required to wear a different harness on the same manufacturer’s model facepiece and sealing surface for different work scenarios such as different work modes (negative vs. positive pressure) or for flame and heat protection. During our meeting, we discussed… One respirator model has two

2016 Emergency Response Guide (ERG) now available

The much anticipated 2016 ERG (well it was for HAZMAT folks) is now available for download in Portable Document Format (pdf). The file size is 12700 KB. ERG 2016 – English GRE 2016 – Spanish Here is the link to the APP (https://itunes.apple.com/us/app/erg-2016/id592158838?mt=8) See below for changes from the 2012 edition…  

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