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Flammable, combustible, and toxic chemicals often require special electrical considerations to prevent accidental ignition caused by motors, wiring, and other equipment. Title 8 CCR §5189(d)(3)(A)(3.) and Title 29 CFR §1910.119(d)(3)(i)(C) require that the information pertaining to the equipment in the process include Electrical Classification. Electrical classification documentation may include: A written statement describing the applicable […]
If Process Safety Information is the foundation of a PSM program, then Piping and Instrument Diagrams (P&IDs) are the cornerstone. An engineer or technician that desires to familiarize with a chemical process will often first turn to the P&IDs because of the detailed equipment information included on the diagrams. P&IDs must include at least the […]
The owner of a PSM chemical process must gather information which describes the materials used in the construction of the process equipment. Typically, this will not be developed from scratch, but rather will be the compilation of equipment manuals, data reports, bulletins, catalogs, cut sheets, and drawings. For a process which utilizes ASME pressure vessels […]
Title 8 CCR §5189(d)(2)(D)-(E) and Title 29 CFR §1910.119(d)(2)(i)(D)-(E) require that the information pertaining to the technology of the process include “Safe upper and lower limits for such items as temperatures, pressures, flows or compositions; and, an evaluation of the consequences of deviations, including those affecting the safety and health of employees.” It is worth […]
One often discussed requirements within PSI, is the documentation concerning Maximum Intended Inventory. The meaning of maximum intended inventory is exactly what the words imply – the maximum chemical inventory that a facility intends to utilize (have onsite) at any time. For a transient process in which a chemical is consumed, this often corresponds to […]
