Friday, January 15, 2010

Chapter-1 of BIM Handbook: What the class found confusing or wrong-headed

The first assignment was to read chapter one of “The BIM Handbook” our text for the first half of the course and to write a comment on it.  In class students filled out an index card  addressing two questions “Most interesting thing in Reading”, and “Most Confusing or Wrong-Headed thing in Reading.”  What’ follows are the comments on “Confusing or Wrong-Headed” (transcribed by dictation so there may be a few hilarious errors).  I’ve also put a few of my own observations at the beginning.

My Observations

  • A number wanted more on the disadvantages and negative effects of the transition to BIM
  • Some wanted more detail – the rest of the book should help
  • Some felt that the authors were biased
  • A number wanted more support for the contention that the advent of BIM is going to make a positive difference to the end-product

Student Comments

BIM knows the problem with the current process but is pushing through and trying to change it, while creating a whole new level problems.

Building procurement. The earlier model was created the better. Eric said structure doesn’t automatically see updated architectural drawings.

Not much included in the text about BIM disadvantages. But perhaps it is too new in the industry to document disadvantages without them becoming obsolete.

The most confusing part, although I get the basic concept, was the part about new contractual relationships.

I thought some of the graphs were a little confusing.

The non-form charge was a bit confusing and not easily understandable.

Everything seemed pretty cut and dry in this chapter.

Can’t think of any.

Questions to answer it in the chapter. Awkward wording that made it difficult to begin to formulate an answer.

Can’t think of anything applicable.

How BIM actually affects construction? Do the construction managers actually look at the model or do they just use plans and sections?

Nothing.

- while it is easy to learn and I don’t necessarily agree with the statement that it will take over AutoCAD because then there will be need for older people to learn new system and some people are stuck behind the times and prefer to utilize “outdated” ways.

I am most confused about how it will speed up the design process. To me, it will take more time to develop an accurate model.

Inputting material properties could be a tedious pain in the neck. Otherwise not much comes to mind.

BIM doesn’t seem as perfect as they say. Many jobs will be lost.

Nothing.

Some info/stats based on personal experience of authors, not studies.

Some descriptions of how the parametric objects work.

The idea that there are still problems in court nation in regards to MEP, structural and architectural design.

The effectiveness of one single model used for all designers (architects and all engineers) and contractors/on-site worker was not discussed in details. How IT technology accommodates it?

it was a bit repetitive, and felt more like a biased opinion in favor, without listing the “cons” at all.

criticizing is most difficult, because whenever I thought about the challenges, it came with other problems again so I’m confused where I have to stand.

Contractor bidding.

There wasn’t anything necessarily confusing. I just haven’t fully come to understand the point BIM yet. What is it? Is Revit BIM? Is it just an idea? A way of going about design and construction?

The implication that design build is cheaper than going out to bid. Maybe this is correct with the time value of money, but in the real world contractors and money for variables in design build.

It was certainly biased, and I thought some of the economic data(especially about construction) was unreasonable.

DBB has its own advantage or not or damage is better than DBB in all aspect.

Introduction to Chapter 1 was a give anything. Otherwise the reading was clear and understandable

Making the implementation and adoption of the IM some more simplified than is the case in reality. Lack of detail.

Most confusing part is how all elements are connected.

- I’m confused on how BIM helps all the firms if majority of them have been working with CAD and microstation.

How that can benefit lifetime cycle of the building.

I thought the authors were fair, informative, and correct in what they wrote. Nothing confused me; however I wonder what the real reason for the stagnation in productivity is.

I’m still a little fuzzy on how each party will interact with BIM model.

A bit confused on how BIM can realistically fit into a design-did-build process. Seems they were emphasizing the design-build process has been more compatible, but that’s still somewhat more amongst firms.

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