Hazardous Materials

Module of 25 horizontally-mounted high-pressure gas cylinders loaded with 240 kg of compressed Hydrogen, UN1049, caught fire

On February 11, 2018, about 1:15 p.m. a module of 25 horizontally mounted high-pressure gas cylinders loaded with 240 kilograms (kg) of compressed hydrogen, UN1049, caught fire while being transported. The incident occurred on Golden Springs Drive, near South Brea Canyon Road, in Diamond Bar, California.  About 120 kg of the hydrogen was released from

Safety Alert No. 328: Gas Release Hazards Identified by BSEE

The Bureau of Safety and Environmental Enforcement (BSEE) recently conducted a review of the latest compliance and incident data to identify safety trends throughout the Gulf of Mexico. The analysis pointed to a potential risk associated with gas releases. During the timeframe reviewed, thirty-one gas release incidents were reported to BSEE by fourteen unique operators.

Line Break gone bad (Natural Gas)

Those who practice “process safety” are all too familiar with “Line/Equipment Opening” safe work practices.  Although there is NO formal OSHA standard, nor even a RAGAGEP on this extremely hazardous task, we should consider implementing a “permit” of some type to manage the risks associated with opening any pipe, line, hose, equipment that handles a

Hazardous Area Ventilation “make-up air”

In my line of work, I come across a lot of areas that have a “ventilation system” that intends to reduce exposure and control flammable gases/vapors.  The vast majority of these systems are “sized” properly, meaning they move enough air to meet the code/standard they were built to; however, one aspect of the system we

State Fire Codes Performance-Based Design Alternative (PSM/RMP Model)

To quote the IFC committee, “the purpose of performance-based design criteria is to promote innovative, flexible and responsive solutions that optimize the expenditure and consumption of resources while preserving social and economic value.”  Section 5001.3 Performance-based design alternative is intended to be compatible with EPA’s RMP and OSHA’s PSM requirements, so it would reduce the burden

Can I install a PSV in a horizontal position?

We visit this topic again and again, the short answer is NO! According to ASME Section VIII, Division 1 (UG-135) and API RP 520, Pressure Safety Valves (PSVs) must be installed in a vertical position with the spindle (stem) oriented upright. Installing a valve horizontally is considered a significant deviation from engineering standards and can

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