There is not a PHA that goes by where someone ask me “why are we discussing power outages, when we have no control over them”? It is quite simple, we need to analyze what could/would happen if we loose power! Yes, loosing the power may be out of our hands somewhat, but what happens when…...
Does your PSM/RMP included power systems? Read More »
On Wednesday April 25th 2012, the Infrastructure Security Compliance Division (ISCD) reached a milestone as it completed its 1000th Compliance Assistance Visit (CAV). CAVs support the regulated community by helping chemical facilities to understand and meet the requirements under the Chemical Facility Anti-terrorism Standards (CFATS) based on their own unique circumstances…. Membership Required You must...
DHS completes the 1000th Compliance Assistance Visit (CAV) Read More »
Z49.1:2012 Safety in Welding, Cutting, and Allied Processes An American National Standard. Download your free copy today! DOWNLOAD (PLEASE NOTE this is an external link and that you have to register w/ AWS to begin the FREE download)… Membership Required You must be a member to access this content.View Membership LevelsAlready a member? Log in here...
FREE COPY of Z49.1:2012 Safety in Welding, Cutting, and Allied Processes Read More »
On July 13, 1973, in Potchefstroom, South Africa there was an anhydrous ammonia accident involving a catastrophic failure of a pressurized ammonia storage tank that instantaneously released 38 tons of anhydrous ammonia into the atmosphere. Eighteen people died and an unknown number were injured. A visible cloud extended about 1,000 feet wide and about 1,400 feet…...
Anhydrous Ammonia Tank Catastrophic Failure Read More »
At the heart of any relief system design basis are the “scenarios” chosen to base the sizing of the relief system. The two most common scenarios used are the “fire scenario” and the “blocked-in scenario”. It is the fire scenario I wish to review in this article and what has to go along with this…...
Relief Valve sizing and combustible/flammable storage Read More »
This month marks the 20th anniversary of OSHA’s Process Safety Management standard, which is built upon Recognized and Generally Accepted Engineering Practices (RAGAGEP). There was no way OSHA could write a “specific” standard to cover all the types of processes handling the list of Highly Hazardous Chemicals (HHC) so they instead wrote what is called…...
Has PSM driven us to dillute some “engineering standards”? Read More »
Auto-refrigeration is a phenomenon common to Anhydrous Ammonia. Anhydrous Ammonia exist in both the liquid and gaseous phases at ambient temperatures with pressures ranging from 2 psig up to 2,500 psig. That is, there is a gaseous layer over the liquefied gas within the pressure vessel…. Membership Required You must be a member to access...
Pressure Vessels, MDMT, and Auto-Refrigeration (NBBI) Read More »
The 2011 addenda of the ASME Boiler and Pressure Vessel Code includes a new ASME Code stamp which replaces all of the current ASME pressure relief device stamps (V, HV, NV, UV, UD, TD). The new ASME stamp is the same for all Code stamped items, and is accompanied by a “designator” which identifies the specific product. The designator consists…...
Implementation of New ASME Stamp for Pressure Relief Devices Read More »
The above picture shows a flammable liquid storage tank level indicator with a sight glass spring loaded valve, kept in the open position with a “home made” clip. Although this alert is from our friends in AU, this is ALSO seen worldwide and should be considered a “Lesson Learned” worldwide!… Membership Required You must be a member...
Bypassing of storage tank safety features Read More »
One of the great things about being a consultant is that I get to see things that I would have never been able to see working for a single company. Traveling the world doing PSM/RMP work has given me the opportunity to see how other businesses and cultures do safety and this has enriched me…...
Compliant with RAGAGEP? Read More »
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May 2012 CCPS Process Beacon – Mechanical Integrity of Tubing Read More »
by Wynand Serfontein, Senior Scientist @ Sasol Technology (Pty) Limited In a safety management system, there is a constant battle to find the optimum balance between procedures and common sense. On the one hand, both our educational systems and legal systems support a culture of procedures. The educational system encourages written material to be studied…...
Are we overdoing procedures? Read More »
