Iowa DOT Digital Plan DeliverablesThomas HamskiAutomation EngineerOffice of Design

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Outline

• Current electronic deliverables• QC/QA process• Where we are going in the future• Engineer seal on electronic plan

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CURRENT DIGITAL DELIVERABLES Oct

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Current Digital Deliverables

• 3D model byproduct of design workflow.• 3D design is as complete as possible.• Surfaces are provided in generic format (LandXML).• Files supplied pre-letting online.• DOT Field personnel use the same files from website.• Files required to be submitted outlined in Design Manual

(20B-71).

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Current Digital Deliverables

• 3D model byproduct of design workflow.• 3D design is as complete as possible.• Surfaces are provided in generic format (LandXML).• Files supplied pre-letting online.• DOT Field personnel use the same files from website.• Files required to be submitted outlined in Design Manual

(20B-71).

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Complete Models

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Current Digital Deliverables

• 3D model byproduct of design workflow.• 3D design is as complete as possible.• Surfaces are provided in generic format (LandXML).• Files supplied pre-letting online.• DOT Field personnel use the same files from website..• Files required to be submitted outlined in Design Manual

(20B-71).

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Current Digital Deliverables

• 3D model byproduct of design workflow.• 3D design is as complete as possible.• Surfaces are provided in generic format (LandXML).• Files supplied pre-letting online.• DOT Field personnel use the same files from website.• Files required to be submitted outlined in Design Manual

(20B-71).

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http://www.iowadot.gov/contracts/lettings.html

Current Digital Deliverables

• 3D model byproduct of design workflow.• 3D design is as complete as possible.• Surfaces are provided in generic format (LandXML).• Files supplied pre-letting online.• DOT Field personnel use the same files from website.• Files required to be submitted outlined in Design Manual

(20B-71).

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Current Digital Deliverables

• 3D model byproduct of design workflow.• 3D design is as complete as possible.• Surfaces are provided in generic format (LandXML).• Files supplied pre-letting online.• DOT Field personnel use the same files from website.• Files required to be submitted outlined in Design Manual

(20B-71).

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http://www.iowadot.gov/design/dmanual/20B-71.pdf

Current deliverable continued

• 3D breaklines in .dgn & .dxf formats.• Intuitive level names for 3D break lines.• File naming & contents standardized by Design Manual.• Standard details updated to reflect 3D design.• Letting process submits all files to ERMS for long term

storage.

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Current deliverable continued

• 3D breaklines in .dgn & .dxf formats.• Intuitive level names for 3D break lines.• File naming & contents standardized by Design Manual.• Standard details updated to reflect 3D design.• Letting process submits all files to ERMS for long term

storage.

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Current deliverable continued

• 3D breaklines in .dgn & .dxf formats.• Intuitive level names for 3D break lines.• File naming & contents standardized by Design Manual.• Standard details updated to reflect 3D design.• Letting process submits all files to ERMS for long term

storage.

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http://www.iowadot.gov/design/dmanual/20B-71.pdf

Current deliverable continued

• 3D breaklines in .dgn & .dxf formats.• Intuitive level names for 3D break lines.• File naming & contents standardized by Design Manual.• Standard details updated to reflect 3D design.• Letting process submits all files to ERMS for long term

storage.

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Current deliverable continued

• 3D breaklines in .dgn & .dxf formats.• Intuitive level names for 3D break lines.• File naming & contents standardized by Design Manual.• Standard details updated to reflect 3D design.• Letting process submits all files to records management

for long term storage.

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QC/QA PROCESS Oct

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QC/QA on digital deliverables

• Who will do it?• QC: Engineer of record• QA: Methods section of Design Office

• How much QC/QA?• QC: 100% project• QA: 10% of projects

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What is being checked in QC/QA Process?

• Engineered Models (Surfaces)• Geometry• 3D CADD files

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QC/QA for Engineered Models

• Native software suites• Contractor’s software suites

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QC/QA for Geometry

• Manual examination of LandXML files• Horizontal & Vertical spot checks at regular intervals.• H&V spot checks at key locations.

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QC/QA for CADD Files

• Appropriate CADD levels.• Spot check Northing, Easting, & elevation.

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QC/QA process defined

• Design Manual chapter defining process

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FUTURE PLAN Oct

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History of Highway Plans

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The Current Plan

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The Current Plan

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What is an intelligent plan?

• All-inclusive digital package• Combination of PDFs & GIS shape file.

• Flexible reporting on features.• Database and reports.

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What is an intelligent plan?

• Replaces the need for most plan sheets.• A digital plan viewable on a mobile device.• Easy As-Built collection.• Easy to access engineering tabular data.• Standards & Specifications attached directly to the

features.

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The New Plan

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The New Plan

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The New Plan

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Links to Reference Documents

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Links to Reference Documents

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Electronic As-Builts

• As-Built information can be updated in the field.• Directly update database or import later.• Accurate information input as it is done.

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As-Built Data

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As-Built Data

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As-Built Data

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Images

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Asset management

• Asset Information from the field could be tagged to each feature.

• This information could be later leveraged for asset management purposes.

• Database is populated as asset is built.

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ENGINEER SEAL ON DIGITAL PLAN Oct

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Engineer Seal on an Intelligent Plan

• Engineer Seal will cover• LandXML files of Surfaces & Alignments• 3D line string files (CADD Files)• Tabular engineering data.• Sheets that cannot be made digital.

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Thomas HamskiIowa Department of Transportation

thomas.hamski@dot.iowa.gov(515) 239-1836

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