Conceptual to detailed mechanical layouts

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With traditional workflows.

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Early stage mechanical layouts are sometimes discarded

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as the project moves to detailed design

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and the duct and piping networks recreated to

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suit the requirements of the developing project.

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Rivet duct and pipe placeholders can be used to leverage early stage

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layouts to create detailed mechanical networks

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utilizing and working with existing information.

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Rather than starting over.

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In this example,

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we will review the duct and pipe placeholders already in the project,

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then convert each layout to duct and pipe including fittings

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while making positional changes as necessary.

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We will finish by adding pipe accessories with the option of

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additional duct and pipe accessories to complete the detailed layout.

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Ensure the current view is set to H VAC floor plans.

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One mec

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let's start by reviewing the supply duct layout,

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selecting a duct placeholder and reviewing the

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properties shows the duct type size and elevation

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using the tab key from the keyboard. Select the entire system

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once selected use the type selector to change the duck type to round duct with Ts

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and set the diameter to eight inches.

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Finally select convert placeholder from the contextual ribbon tab.

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The usual editing tools can now be used to make the necessary adjustments.

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Remove the excess duct from the end of the system

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and convert the cross fitting

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to A T.

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Then from the modify tab of the ribbon,

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use the split element tool to create splits just after each takeoff along the run.

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Select the first run of duct at the riser

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and set the size to 14 inches.

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Select the second run and set the size to 12 inches

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and the third run to 10 inches.

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Finally select a section of the main rum and

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alter the elevation to 9 ft and four inches.

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Further changes can be made to the duck type by selecting the relevant parts

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of the network and choosing change type from the edit panel of the ribbon

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and making the appropriate selection from the type selector.

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Let's go ahead and convert the chilled water flow piping network in the same way,

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use the tab key to chain,

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select the pipework ensuring the pipework is

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set to carbon steel screwed flange coupling.

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Once selected, choose convert placeholder from the ribbon,

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then remove the excess pipe at the end and convert the T to an elbow.

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Finally

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change the elevation for the piping network to 8 ft 10 inches

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and the diameter to one and a quarter inches

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follow the same procedure to convert the chilled water return piping network using

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the same pipe type and setting the elevation to 9 ft nine inches.

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Once converted, the piping networks can be repositioned

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connected to equipment,

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pipe and duct accessories can be added

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and detailed coordination can be carried out,

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finish connecting the remaining equipment to the

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chilled water flow and chilled order,

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return piping networks

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and complete the detailed layout by adding pipe accessories.

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If the details of the design are known at an early stage in a project,

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then duct and pipe placeholders may not have been used

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and a detailed coordinated layout created from the start.

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However,

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where placeholders have been used time can

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be saved by utilizing the original intent

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convert placeholders to duct and pipe

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reposition and connect to equipment, fixtures and air terminals as required.

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And finally add the appropriate duct and

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pipe accessories to complete the detailed layout.