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CR3683-L Integrating Autodesk® Quantity Takeoff and Timberline Estimating. Kevin R. Miller Associate Professor, Brigham Young University Jason Dodds, Autodesk. Presentation Format. Please raise your hand if you have a question and a Lab Assistant will help you.

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cr3683 l integrating autodesk quantity takeoff and timberline estimating
CR3683-L Integrating Autodesk® Quantity Takeoff and Timberline Estimating

Kevin R. Miller

Associate Professor, Brigham Young University

Jason Dodds, Autodesk

presentation format
Presentation Format
  • Please raise your hand if you have a question and a Lab Assistant will help you.
  • All the material that we will cover is in the handout.
  • Because of the time limitations, questions will only be answered at the end of the session.
  • Feel free to email me (kmiller@byu.edu) with follow-up questions.
estimating today
Estimating today
  • When was the last time you estimate a set of plans that were 100%?
  • How long does it take you to do the takeoffs?
  • Who bears the risk today if the plans aren’t complete?
  • How do you cope with plans that aren’t complete?
takeoff process traditional plans
Takeoff Process (Traditional Plans)
  • Benefits
    • Become familiar with the project
    • Find problem areas and identify risk and constructability issues
    • Value engineering
  • Downside
    • Time consuming (Detailed Estimates)
    • May miss something
    • Transferring quantities from takeoff sheets to Estimating software tedious and non productive
what do we want from the model
What do we want from the Model?
  • Accurate quantities
  • Less takeoff time
  • Better visualization of project
  • Subs to understand the project and their scopes.
  • Competitive edge
  • Clash detection
  • Visual means to communicate to clients
general model sales pitch
General Model Sales Pitch
  • Push the button.
    • Costs are generated.
    • The 4/5 D model is generated.
    • All the work is done.
  • Looks good, sales software.
  • Not necessarily doable without a lot of extra work.
model world today
Model World Today
  • Not the magical pushing a button and the estimate is done.
  • No such thing as a 100% Model
  • Costs come from your estimating database not Means or some other source
  • The liability that exists with 2D drawings exist with 3D models
    • Estimating with BIM – Risk shouldn’t change or shift
  • Takeoffs consume less time
  • More time verifying what is modeled is constructable
  • Better understanding of design intent
estimating from the model or not
Estimating from the Model or Not?
  • Do I really want to work from the Model?
    • No, I want static drawings that don’t change so there is an accurate history of the costs for the project
    • No, I don’t want the potential to change the drawings because I’m and estimator, not a modeler
    • No, the file size of the model would really slow me and my computer down.
  • DWF file (a read-only copy of the model) addresses the above concerns
what can we really get from the model
What can we really get from the Model?
  • Counts
  • Lengths
  • Areas
    • Concerns about the wall areas and volumes
      • Use Length * Height for areas
      • Use Length * Height * Width for volumes
  • Do these concerns mean don’t use the model? NO, just understand how the quantities are being calculated.
    • When in doubt, check the quantity calculation.
timberline opportunities
Timberline Opportunities
  • QTO integrates seamlessly into Timberline.
  • Use Timberline for complete estimates instead of jumping to Excel
  • Cleanup and optimize the estimating DB
    • Too much legacy junk in estimating DB’s
    • Every item in the DB should have a formula
  • QTO integrates better with Timberline than Timberline does
requirements model estimating
Requirements: Model Estimating
  • Your Timberline DB
  • QTO
  • QTO/Timberline plug in
  • 3D model (You may need to ask for it.)
  • 2D modeled sheets
    • Allows you to perform takeoff for the items not modeled.
  • DWF file format
  • May use PDF, jpg etc files but they will not link to the 3D model.
model estimating in the classroom
Model Estimating in the Classroom
  • Takeoffs taking less time
  • Test scores are going up and takeoffs more accurate.
  • Model estimating is taught in conjunction with clash detection and 4D sequencing.
slide13

Kevin R. Miller, kmiller@byu.edu, Office: 801.422.8728

Useful Links:

QTO/Timberline Plugin

http://dl.dropbox.com/u/22441001/970QTOPlugin2.exe

Tutorial for linking QTO and Timberline

http://cmfac.groups.et.byu.net/miller/cm411/help/qto/QTOTimberlinev2.php

Database Checks prior to using QTO

http://cmfac.groups.et.byu.net/miller/cm411/help/qto/TimberlineDBPrep/TimberlineDBPrep.php

QTO 2012 Service pack

http://usa.autodesk.com/adsk/servlet/ps/dl/item?siteID=123112&id=17326646&linkID=10381885

Jason Dodd’s Blog

http://doddsandends.typepad.com/blog/