Human Error

Summer’s Here! Time to Download Free Resource Papers and Sign Up for Process Safety Training from PII!

OK, summer doesn't OFFICIALLY begin until June 21st, but we all know the Memorial Day weekend is the REAL beginning of summer! And there's no better time to sign up for summertime process safety training courses from Process Improvement Institute, the risk and reliability specialists! Here's the summer schedule by month, location, and course offering: [...]

Best Practices for Writing Operating Procedures and Trouble – Shooting Guides

For your immediate review, please download the latest free resource paper from PII, titled Best Practices for Writing Operating Procedures and Trouble-Shooting Guides, co-written by William G. Bridges, PII President, and Revonda Tew, PII Principal Engineer & Instructor, and being presented today at the 13th Global Congress on Process Safety in San Antonio, Texas. http://www.process-improvement-institute.com/_downloads/Best_Practices_for_Writing_Operating_Procedures_and_TS_Guides_2017_R3.pdf [...]

By |2017-03-28T00:28:53+00:00March 27th, 2017|Guides, Human Error|0 Comments

Enroll in a Process Safety Course from Process Improvement Institute!

Process Improvement Institute, Inc. (PII) has 15 experts on staff (each with over 25 years of industry experience; including 10 to 35 years of process safety experience) who teach PSM, PHA Leadership, MOC, LOPA, Procedure Writing, and other specific courses on process safety, as well as Human Factors. You can attend publicly available courses or [...]

By |2016-12-07T01:33:33+00:00June 15th, 2015|Human Error, OSHA, PHA, PSM|0 Comments

Accounting for Human Error Probability in SIL Verification

One critical defect in the SIL standards (and technical reports from ANSI/ISA 84 committees) to remember is they do NOT account for specific human errors of mis-calibration (especially critical for SIFs with multiple sensor) and or leaving in bypass. So, the PFD to use for the IPL is the PFD(avg) from the SIL verification calc [...]

By |2016-12-07T01:33:33+00:00May 19th, 2015|Human Error, SIF, SIL|0 Comments