Piping Stress Critical Linelist: Format and Use, Responsibilities and Method of Operation

Format and Use of Piping Critical Line List The Piping Critical Line List is normally an internal document. The Piping Critical Line List comprises of a lead sheet (s) and continuation sheet (s). Lead Sheet The lead sheet is used to summarise the definitions of critical lines applicable codes etc. and amended to reflect any specific requirements of the contract ...

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Piping Stress Critical Lines: Procedure Defining the Basis For Piping Critical Line List

Below procedure defines the basis to establish piping critical line list from line list, P & I Diagrams and Piping Specification. What is Piping Critical Line: A piping critical line is a line for which a flexibility review is required to be carried out by a Piping Stress Engineer due to temperature, weight, supporting arrangement, external loading, lines connection to ...

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Welding Processes: FCAW, GMAW, GTAW, SMAW, SAW

In process industry there are many pipes which are running across the plant transferring different fluid from source to the destination. These pipes are generally manufactured in a standard length of 6 metres or 12 meters so the pipes are joined together to achieve the required routing. The most common method of joining pipes is by welding two pipe spools ...

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Drainage Systems on Offshore Platform: Overview, Open Drain System and Low Point Drains

About Drainage Systems on Offshore Platform Offshore platform drainage and waste disposal systems shall be designed in accordance with API RP 14E “Recommended Practice for Design and Installation of Offshore Production Platform Piping Systems” and all national, state and local codes and regulations. The design of all offshore platform drainage and waste disposal systems shall be subject to approval by ...

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Minimum Pipe Spacing Chart

In petrochemical & refinery plants there are many pipes which are running from source to destination. In most of the cases there is pipe rack between the plant units which carry these pipes and distribute it across the plant. When the pipes are running next to each other there should be some minimum spacing between the pipes so that there ...

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How to Change Hierarchy in PDMS 3D Modelling

In many projects, there is 3D PDMS modelling procedure/work instruction which defines the hierarchy to be followed while 3D modelling. Example: In case of equipment, the nozzle shall be modelled as per the ascending order sequence. If we have modelled the nozzle in a different sequence than in the requirement, we have to reorder it as per the requirement in ...

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