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Comment PDF Environment, Health, Safety & Security

Piping Design for Potentially Lethal Chemicals

By Bill Huitt W.M. Huitt Co. |

Working in close proximity to the high pressures and temperatures commonly found in the chemical process industries (CPI) is cause enough for concern over a person’s wellbeing; but working in close proximity to chemicals that are considered toxic, hazardous or reactive escalates that concern to a higher degree (Figures 1 and 2). The dangers of such chemicals underline the paramount importance of integrity and reliability in the design of equipment and piping systems. From a regulatory standpoint, the requirements to which each chemical processing facility in the U.S. must adhere when manufacturing, handling or storing chemicals are set forth within the regulations of the U.S. Occupational Safety and Health Administration’s (OSHA; Washington, D.C.; www.osha.gov) “Process safety management of highly hazardous chemicals” regulation (part of 29 CFR 1910.119). OSHA also provides guidance for the required “Process Hazard Analysis” procedure. From a piping engineering standpoint, requirements for the design, fabrication, inspection, examination, testing and installation of piping used to handle potentially lethal fluids are stipulated in the American Society of Mechanical Engineers (ASME; New York; www.asme.org)…
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