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Pay Item Element Placement
Most pay items have an underlying MDL app that is launched by double clicking the item. These apps are designed to automate the placement of the item by performing the setup required for various element types.
Some examples:
Before placing payitems represented by shapes, you should read Recommended Settings and Methods of Calculations It is recommended that the payitems under the Misc.Areas category be placed in a separate file (estimate_areas.dsn, for example). This file and all other files containing payitems will then be referenced to the file from which the quantities are to be computed. |
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Sidewalks and Islands Sidewalks and Islands will be placed in the roadway *.dsn file. These items will plot outlined and shaded a light gray.
Do not break Curb&Gutter lines at driveways! Let the Curb&Gutter run through the driveways. D&C manager is set up to automatically deduct the width of the drives (and the radii) from the Curb&Gutte values. |
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The D&C manager has a SET feature that allows you to place the Geopak Attributes on an element that already exists in the design file. To SET an element: - Select the payitem category that you need to set. - Switch the D&C to Set Mode by depressing the SET tool on the D&C dialog. - Press the SET button on the auxiliary window that appears. - Select the element(s) in the design file that you wish to SET. Geopak Attributes have now been placed on that element. |
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Pressing the Display button shown above activates the Display mode. This dynamically changes the D&C dialog:
The four icons are (from left to right):
You can display a collection of selected payitems (See below on how to create collections). Display mode can be utilized as a quick check to see if elements have been placed through the D&C manager. If they do not have Geopak attributes, they will not highlight or display except in Normal Display. |
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Computing Quantities Automated quantities can be ran from any file you choose, but make sure that you have the other files that contain payitems referenced to the working file. Place the Design and Computation Manager in Compute mode so the dialog changes dynamically to reflect the compute operation. ![]() The dialog is resizable with the sash between list boxes that enables the adjustment of the partition. In addition to the main dialog, an auxiliary dialog is also invoked.
![]() Collection Box In order for the D&C Manager to compute a quantity, a Category or an Item needs to be selected from the database and placed in the Collection list box. This can be accomplished by double clicking the Category/Item, single clicking onto the desired Category/Item and press the Add to Collection button or right mouse and a small pop-up menu is invoked. Previously saved collection files may be selected from this menu and placed in the Collection list box. The default file extension for saved collections is .col. ![]() Once the Collection list box is set, the auxiliary box can define various computation options. ![]()
View/Fence: If View includes area outside of Range – Range overrides. If a Fence is placed with a Range, the area inside both Fence and Range will be computed. Fence is sensitive to the MicroStation Inside, Overlap, and Clip modes. The Clip mode applies only to non-shape elements. Range: Feet/meters used to search left and right of the chain. More >>: Expands dialog to display the Description field and option to Export an SDF File. ![]() Description: Any description keyed within this field, up to 48 characters, will be printed at the top of the report. Export SDF File: The standard output created from the Design and Computation Manager’s compute mode is an ASCII text report. However, if the computed results need to be reformatted, or imported into another database this option is recommended. You must use the SDF format to export quantities into Roadway’s CompBook. ![]() When activated, a keyin field for Delimiter opens and an Open Mode button appears. The delimiter character should be defined as ("). Create and Append >settings in the Open Mode either create or append the file in the output field. Roadway Design will not use the Forms setting at this time. |
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Recommended Settings and Method of Computing Quantities It is probably a good idea to visit Roadway’s Updates WebPage for any new info and also update your workspace to insure that you have the most updated version of the D&C.ddb before beginning calculations. A little bit of setup will save you grief later. In order to have quantities stationed off of different alignments (-L-, -Y- etc.), it is recommended that you run quantities using the fence method with the Fence mode set to Clip. To accomplish this:
NOTE: Unfortunately, the Clip mode will not calculate most shapes, especially the payitems that cross the fence shapes. So until GEOPAK fixes this or gives us a better method, you will have to intersect your payitem shapes with your calculation shapes. |
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Verifying correct payitem placement There are several ways to check.
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