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![]() ![]() It may include the piping design done on 3D modeling software or 2D software. When there is significant progress on the piping design, The secondary MTO is prepared. Highlight each line on the P&ID as you complete the above process, that will help in identifying the undone lines.Now, go to the next line and repeat the same procedure.Enter the detail of the piping components in the MTO sheet following the sequence of the component, you can refer to fig.Estimate the Hight-point vent and low-point drain as per your guess and experiences.Identify the numbers of the valve from the P&ID directly.(length of the pipe and number of Elbows are not fixed at this stage of MTO). From the line routed on the plot plan, identify the approximate pipe length and estimate the numbers of fittings like elbows, tees, reducers, flanges, etc, and grouped them size-wise.Identify the potential line routing of each line shown on the P&ID and route the line on the plot plan (we can also refer to a similar old project for reference. ![]() On the MTO sheet, enter the line number, line class, and line size.Identify the numbers of lines, line classes/specs, and the line size from the P&ID.PMS (Piping Material Specification) Steps for Preliminary MTO Preparation. ![]()
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