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CAD Standards

CAD Standards. Presented by Gary Holeman PE Senior Design and Automation Engineer Roadway Engineering unit 503-986-3758. First Contacts for CAD Standards. Your first contact for CAD/Drafting Standards questions. Tien Nguyen – Standards Drafter Scott Failmezger – Region 1

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CAD Standards

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  1. CAD Standards Presented by Gary Holeman PE Senior Design and Automation Engineer Roadway Engineering unit 503-986-3758

  2. First Contacts for CAD Standards Your first contact for CAD/Drafting Standards questions. • Tien Nguyen – Standards Drafter • Scott Failmezger – Region 1 • Larry Garrison – Region 2 • David Knox – Region 3 • Joseph Rodriguez – Region 4 • Rick Stanton – Region 5

  3. Proposed Topics • Typical Sections • What are typicals and what are they used for. • How to use stacks & tables. • How to show features, barriers, guardrails, walls. • Construction Notes • Cover how notes are to look, how everything is singular with a number given, how notes covering a number of sheets should look, when to give quantities and when not too and on and on.

  4. Typical Sections

  5. What are typicals and what are they used for? • Typicals, short for typical sections

  6. From HDM • Typical sections represent the final cross sections of the roadbed and show the following items: • Lane widths • Shoulder width(s) • Median width • Surfacing material • Surfacing thickness • Including lifts • Roadbed slopes • Profile Grade location(s) • Curb • Walks • barrier and guard rail

  7. From the CPDG • A typical section is a detailed illustration of the roadway surface design of a project. • Each subsequent typical section or partial section represents a change or variation in the design.

  8. My take on it • Typical sections represent the design of the roadbed and conveys this design to the inspector and contractor, as it varies along the alignment

  9. How to use stacks & tables. • From section 5.2.3 in the Contract Plans Development Guide, Volume 1. • Place typical sections one below the other in succession along stationing and aligned by center line in approximately the center of the plan sheet as shown in Figure 5-7. Stack subsections directly above their relative section. Typicals are arranged in order by stationing from top to bottom on a sheet. Stacks are arranged from bottom to top.

  10. How to use stacks & tables, cont. • Typical section placement • Top to bottom along the alignment, except stacks • Stacks are placed above the section, bottom to top • Stacks show variation within the stationing of the associated section. • Example

  11. How to use stacks & tables, cont. • Table placement • Placed under the associated section • Tables are used with sections to convey complex taper information • Examples (Tables)

  12. How to show features, barriers, guardrails, walls • Figures 5-6 and 5-11, in the CPDG, show placement and notes • Examples

  13. Construction Notes

  14. Construction Notes • Construction notes convey general information and location to the contractor and inspector.

  15. Cover how notes are to look, how everything is singular with a number given, how notes covering a number of sheets should look, when to give quantities and when not too, and on and on.

  16. Continued • Appendix F • Chapter 9 of the CPDG

  17. Questions

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