330 likes | 481 Views
Achieving Compliance through the use of a Computer-Aided Drafting and Design (CADD) Standard. Or… if this was a James Bond film, it would be called:. The Spy Who Standardized Me. Starring:. Spangler… Stephen Spangler as Agent 000. Licensed to Standardize. In this presentation:.
E N D
Achieving Compliance through the use of a Computer-Aided Drafting and Design (CADD) Standard
Or… if this was a James Bond film, it would be called: The Spy Who Standardized Me
Starring: Spangler… Stephen Spangler as Agent 000 Licensed to Standardize
In this presentation: • Why do we need a CADD Standard? • How was the A/E/C CADD Standard developed? • Content of the A/E/C CADD Standard • Tools for Implementing the A/E/C CADD Standard
Mission 1 – You Only Standardize Once “You only standardize once, Mr. Spangler.”
Why do we need a CADD Standard? Common excuses for not having a Standard: • Standards are too rigid • I’ve already got a “Standard” • They are just CADD files • Following a Standard results in wasted time and money
Standards are too rigid • On the contrary: • Use of the A/E/C Standard results in consistent legacy data • Eliminates the need for individual documentation of level assignments • Aids in user interoperability (everyone knows where items are placed, no detective work)
I’ve already got a “Standard” • In visits to various sites, I have seen: • No Standard at all. • Everything is drawn on one level. The drawing is either “on” or “off”. • 50-50 split on people using and not using a Standard. • In the short term, this may work, but ultimately winds up hurting the organization.
They are just CADD files True, but your CADD files will eventually be plotted and possibly shared with other offices Do you want your CADD files looking like they were drawn by: Or:
Standards result in wasted timeTime Benefits associated to using Standards Standard Notations 5% Standard/Reusable Details 10% Standard CADD Layers/Levels 17% Standardized Item Time Savings F.A. Stitt Director, San Francisco Institute of Architecture
Standards result in wasted money Cost Savings associated to using Standards • In 1998, MCA Research Corporation developed a return-on-investment (ROI) for data standards. The use of CADD standards throughout the life-cycle of a project produces an ROI of 169.8. • So, every $1 of cost will result in nearly $170 saved throughout the life-cycle of a project!! GAO/AIMD 97-163 – Measuring Performance and Demonstrating Results of Information Technology Investments GAO/AIMD 97-163 – Measuring Performance and Demonstrating Results of Information Technology Investments
Mission 2 – Goldstandard “Do you expect me to design?” “No, Mr. Spangler, I expect you to Standardize!”
Requirements of the Standard (Part 1) Had to be compatible with • AutoCAD • MicroStation
AutoCAD vs. MicroStation Think back to 10 years ago. Saying AutoCAD and MicroStation drawing formats were compatible is like saying: Roger Moore was a better James Bond… …than Sean Connery
Requirements of the Standard (Part 2) The Standard had to incorporate: • Air Force Standard • Corps Standard • Navy Standard • NIBS’ National CAD Standard
The U.S. National CAD Standard Many people who contact the Center are confused between the A/E/C CADD Standard and the U.S. National CAD Standard (NCS). • The A/E/C CADD Standard presents a DoD implementation of the NCS. • The A/E/C CADD Standard goes into more detail in certain disciplines that are touched upon in the NCS. • Any changes to the NCS are reflected in the A/E/C CADD Standard • Any updates to the A/E/C CADD Standard are submitted to the NCS for possible inclusion.
Top Secret: Information File #1 http://www.nationalcadstandard.org
A/E/C CADD Standard Facts • Addresses 14 design disciplines • Contains more than 75 model files • Covers file naming for model/sheet files • Contains more than 1000 level/layers assignments • Contains more than 1500 symbols • Contains more than 50 custom line styles
General Hazardous Materials Survey/Mapping Geotechnical Civil Landscape Structural Architectural Interiors Fire Protection Plumbing Mechanical Electrical Telecommunications Disciplines addressed:
Model Files and Sheet Files Model Files • represent the entire geometry of a building. Model files are 2D or 3D and are drawn to full scale. (Rarely plotted) • contain portions or views of the model file arranged within a border sheet and title block. When plotted, sheet files represent “Construction Documents.” Sheet Files
Model File Naming * S- CP XXXX.dgn User Definable Model File Type Discipline Optional 0-20 character project code
Symbology • Types of Symbols • Patterns (hatch, concrete) • Symbols (outlet, arrows) • Objects (doors, windows)
Mission 4 – The Living Standard “I’ve added a few optional extras.”
The A/E/C Workspace • Like James Bond’s “fully loaded” Aston Martin, the Center has developed tools to implement the A/E/C CADD Standard.
MicroStation Workspace Structure Symbology settings • Drawing type • tool palette • Level box • menu • Feature toolbox
Other Tools Don’t like the Center’s tools? Here are some 3rd party applications that can assist in implementing the A/E/C CADD Standard:
Mission 5 – For Your Standards Only “We’re not standardized yet.”
Is the A/E/C CADD Standard Perfect? Of course not, just like with each successive actor who played James Bond there are always growing pains. Here is where you can help!!
Input from our “agents” Just like it wouldn’t be a great James Bond movie without… …so too the Standard won’t be a great Standard without your input!!
Top Secret: Information File #2 • Phone: 601-634-3104, • E-mail: Steve.C.Spangler@erdc.usace.army.mil • The CADD/GIS Technology Center Website - https://tsc.wes.army.mil Over and out