The role of safety-critical instrumentation in OSHA Facility Siting Studies
Facility siting under the OSHA PSM Standard 29 CFR 1910.119 (e) requires companies to [...]
ISA Releases the New 2018 Version of ISA TR 84.00.07
Originally issued in 2010, ISA has now published the 2nd Edition of TR 84.00.07-2018, Guidelines [...]
Systematic Safety Integrity; what you need to know.
There's a lot of confusion about Systematic Safety Integrity in new IEC61511. We are starting to [...]
When all your eggs are in the BPCS and SIS protection layers
During Layer of Protection Analysis (LOPA) of high hazard scenarios, we often rely on a [...]
SIS Testing Optimization
Testing of the safety instrumented system (SIS) is a critical lifecycle task that ensures [...]
How do I decide on the need for toxic gas detection?
We were recently asked about placing Hydrogen Sulfide (H2S) gas detectors in an area of [...]
Do you really know the worst case for atmospheric dispersion of a gas release?
Dispersion of an elevated release Often atmospheric dispersion models are needed to determine [...]
Brittle Fracture Hazards in Carbon Steel AMSE-Rated Equipment
Whenever a PHA or LOPA considers a low temperature hazard for carbon steel equipment, the [...]
Fire & Gas Mapping: Actual Engineering or Fancy Computer Aided Graphics ?
With the relatively new and growing interest in design of Fire & Gas systems using [...]
5 things you should know about OSHA’s latest PSM interpretation
On June 8, 2015, OSHA issued a formal Letter of Interpretation regarding the application of [...]
Advances in Design of Gas Detection Systems
Designers of fire and gas systems have long struggled with the question of how many [...]
PHA/LOPA Study Findings for Separation of Basic Process Control and Safety Instrumented Systems
Recently I had a customer request Kenexis conduct SIL verification analysis on several safety [...]
ISO 9000 Quality Management; Operations Manager Perspective
Quality has long been a priority for Kenexis. The recent implementation and accreditation of our [...]
Fire & Gas System Design – Update on Status of ISA Guidance
Working Group 7 of the ISA 84 committee continues to make progress on the 1st [...]
Inspection of SIS Equipment During Function Testing
Recently, I was reminded by a customer of the importance of “Inspection” as part [...]
Acceptable Sharing of BPCS and SIS Field Measurements
Many users of safety automation equipment employ a practice of using redundant field devices [...]
SIS Function Testing
I recently assisted a customer in testing a newly installed Safety Instrumented System (SIS) [...]
Process Safety Milestones
I recently assisted a customer in conducting risk analysis to develop a Safety Instrumented System [...]
Bypass of Safety Instrumented Functions
Kenexis is commonly asked to assist in specifying requirements for bypassing functions the Safety [...]
SIL 3 Requirements from LOPA, Should be Challenged Before Implementing Costly Systems
Recently Kenexis was asked to develop an SIS design for an NGL processing facility. [...]