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I am proud to announce that SAFTENG and The Chlorine Institute have renewed our partnership for another year (through 2026). Members of The Chlorine Institute receive a FREE SAFTENG membership. If you qualify, please contact me
NOTE: Any trade group interested in becoming a partner with SAFTENG for your Member Companies, please reach out, and I can share the plan
SAFTENG has:
- Over 19,000 categorized unsafe acts/conditions and accident/injury photos
- Over 1,500 ppt's & doc's in the SAFTENG Library
- Over 5,000 Technical Articles on Process Safety, Emergency Response & OSH topics
- Over 450 videos (those not allowed on YouTube Channel)
Many THANKS to my NEW Members and those who CONTINUE to support SAFTENG:
These photos from a recent tank barge explosion serve as a stark reminder of how dangerous cargo tank cleaning and gas freeing operations can be if safety regulations under Title 29 Code of Federal Regulations (CFR) Part 1915 and Title 33 CFR Part 154 are not followed, and equipment is not properly maintained and inspected before each use. Although the investigation into this casualty is not yet complete,...
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The United States Coast Guard issued a Marine Safety Alert after they discovered three (3) separate Liquefied Natural Gas (LNG) carriers with issues with their fixed flammable gas detection systems that resulted in the issuance of deficiencies and delay of cargo operations. While witnessing tests, multiple sensors measured outside the tolerances established by the manufacturer and subsequent calibration...
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Respondent owns and operates an agricultural storage and supply facility where on August 16, 2016, an accidental release of anhydrous ammonia occurred when filling a storage tank. The release resulted in the hospitalization of an employee. On or about March 12, 2019, representatives of the EPA conducted an inspection of Respondent’s Facility to determine compliance with Section 112(r) of the...
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Date of incident: March 2014
Notice of incident number: 2014155400035 Employer: Heavy equipment manufacturer
Incident summary Two workers were bending aluminum tubing as they assembled a decanting post, a metal pipe structure used to decant liquid natural gas from tanks. Another worker was pressure testing a nearby decanting post to identify leaks. An explosion occurred in a hose attached to the decanting...
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These were found as I was doing a design spec for a new NH3 Supply Business. These items are directly from the owner’s manual and were presented to the engineering firm after a “debate” on the reliance on Excess Flow Valve(s). These are about the three best manufacturer’s rules for EFVs I have ever seen! When so many companies are going weaker in their spec’s...
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Our friends to the North have once again outdone themselves with an Emergency Response Task Force that developed two (2) new charts to aid in large scale-high hazard responses, such as a High-Hazard Flammable Trains (HHFT) incident. You can read the entire DOCUMENT ( A MUST READ for ALL responders – ESPECIALLY OFFICERS who may fill the IC role during such an incident). This document...
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We have discussed the requirements for welder certification and their documentation, pressure and leak testing and its documentation, but the one area that I have not covered yet is the documentation of the Welding Inspector(s). As we have said, the certified (“coded”) welder makes the weld(s) and then BEFORE any testing, a certified welding inspector will perform an inspection of...
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INCIDENT OVERVIEW
An ammonia release resulted in the temporary shutdown of an ammonia plant in an industrial food processing facility.
Ammonia refrigeration systems are designed to operate at 250 pounds per square inch gauge (Psig). The major components of the system like compressors, evaporators, liquid receivers, piping, and fittings, etc. are installed in a machinery room. The compressor sucks refrigerant...
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DESCRIPTION
Ammonia compressor seal failure
INCIDENT OVERVIEW
An intermittent compressor shaft seal leak resulted in multiple ammonia releases which activated low level (<50 ppm) ammonia detector alarms.
The premises were not evacuated as the release was contained in a well ventilated mechanical room and the detector did not initiate a high-level evacuation alarm.
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DESCRIPTION
Kraft paper pulping, strong black liquor was sprayed onto buildings and equipment.
INCIDENT OVERVIEW
Erosion of a stainless steel pressure piping elbow located on top of a black liquor storage tank resulted in strong black liquor being sprayed onto buildings, equipment, and the and surrounding area.
INVESTIGATION CONCLUSIONS
Black liquor is the by-product of the Kraft pulping...
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DESCRIPTION
Failure of the main shaft seal ( mechanical seal ) of compressor #2 released ammonia vapor from the refrigeration system into the machinery room.
INCIDENT OVERVIEW
There was an ammonia leak from the main shaft seal, isolated to compressor #2 in the machinery room.
INVESTIGATION CONCLUSIONS
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Damage description: Compressor valve packing failed to maintain a seal to prevent fluid escape.
INCIDENT OVERVIEW
Ammonia saturated oil leaked from the two-way valve packing of a compressor into the machine room.
The ammonia gases escaped from the leaked oil and triggered the machine room ammonia detector.
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