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Assembling Undivided, Divided Carriageway and Components



In the previous help you have learnt how to apply an assembly along an alignment. In this help topic you will learn more about designing a complete assembly along with its components.

An assembly is a combination of several components like

Main carriageway

Cut Fill slopes

Drains

Service roads

In ESurvey CADD you can combine all these components together to form a complete assembly and apply it along the alignment.



Main Carriage Way

Main carriage way further has sub items like Median, Carriage Way, Paved Shoulder, and Earthen Shoulder.

Let us create a divided carriage way and understand all the related items.

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1. To create an assembly clicks on Triple Dotted button next to Assembly drop down. You create an assembly by name TCS1 (TCS stands for Typical Cross Section).

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2. Select TCS1 from assembly drop down and now ‘component details‘group gets enabled.

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3. Select ‘Main Road’ from component type.

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4. Click on the button next to the component, which opens ‘Road Default’ window. Here you can refer various parameters related to main roads such as median width, Cross fall on either side, Kerb details. You can also mention Carriage way width, Camber, Paved Shoulder width, Earthen Shoulder width and camber and Side Slope ratio. If required update the values as per project requirement. Updating values here are like updating the default. Further, these factors can be changed for each Assembly if required. Close Road Defaults window.



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5. Now click on Triple Dotted button next to Component drop down. You can define multiple road bases.

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6. You create a Road base as ‘Main’ and select the same. You can enable Median as you are defining a divided carriage way here. You can select items like paved shoulder, earthen shoulder and side slope on either side. If you have to align left carriage way of the road on LME and Right Carriage way on RME, then respective alignments can be selected from drop down.



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7. After making required selection, click on ‘Create’ button to update the ‘Main’ road base.

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8. Once it is saved, by default it will have some design layers such as BC, DBM etc. You can modify each layer height, starting point; extend property, inner width, and outer width hatch property for each design layer. You can either delete the existing design layer or add more layers in this window. After making the necessary changes, click on apply button.



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9. You can also configure which of these items have to be reflected in area table when you generate the cross section by clicking on ‘Area’ button.

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10. After coming back to ‘Create Road Assembly’ window after defining the Road base, you can select the same from component dropdown.

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11. Now you have to specify a reference point for an applying assembly, if you want this component to run on Parent alignment then select Absolute as your choice. If you want this component to run on any specified alignment, then select that alignment name.



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12. Click on the Save button to add this component to selected assembly. With this you have defined the main road for the project. You have the option to select each component that you add to assembly to be considered for earthwork calculation or not.



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13. If you have to assign a block drawing at any of the component point, you can assign the same by clicking on block button and then selecting the respective component item and related drawing. For example, you want to show a Tree block at center of Median, such requirements can be met with ESurvey CADD.



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Now you can add other components to assembly if required.



14. Let us say you want to add cut fill slope to the main road. Then click on New, Select cut fill slope.

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15. Click on drop down button next to component. Create required cut fill items say CFL and CFR to represent Cut fill Left and Cut fill Right.

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16. Select CFL from the drop down, select left side and give the filling slope and cutting slope and save it in “Cut Fill Slopes” window.

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17. Close the window and select CFL from component drop down.

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18. Select ‘Main_Base_Left’ component from reference drop down. Here select ‘Left Most’ as the reference point you can also give the offsets in terms of X and Y

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19. Click on Save. You may note that new component gets added to the existing assembly component list.

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Likewise, you can add Drain, Service road to assembly.

These are some of the typical cross section assemblies prepared in ESurvey CADD.