Archivo etiqueta Existing Conditions

Capturing Existing Building Conditions Accurately and Efficiently

“Capturing existing building conditions accurately and efficiently is one of the keys to success for a renovation project.”   That’s straight from the Autodesk video.

However, when they go over the methods for documenting existing conditions…

Existing Conditions Methods

Autodesk Existing Condition Methods

I’d like to add PKNail, because I would argue that it’s tough to be accurate without measuring something.  Sure that’s a bit self serving, but we’ve all been there, dragging lines, using different colored pens, sketching with gloves on, or trying to use a laptop in the field, and we are fired up for the release, because it works, it’s making our job easier, we’re quicker, more accurate, and building Revit models in the field.   measure –>press –>model and were eager to get it into everyone’s hands.

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Public Beta Open in January : Capture as builts in Revit in the field: #Revit #BIM #asbuilt #laser #pplt

We will be opening up our beta to public testing in January and we are asking for volunteers.   Our product PKNail allows a user to use a hand held laser, Disto D8, and measure and build Revit models in the field.  The measurements are transmitted via bluetooth to a mobile workstation which allows the user to quickly and accurately captures a building geometry and features.  On board intelligence allows users to determine wall thicknesses, wall angles, toggle accuracy, attach notes to objects and more.

PKNail was developed by field surveyors and software engineers to help the AEC Community quickly and accurately capture a building’s geometry in Revit.  This tool used alone of in conjunction with HDLS (High Definition Laser Scanning) can let you start any project in BIM / Revit.  Proven ROI in as little as one project, and speed gains from measuring to model of over 200%.

With the majority of construction projects happening in the built environment, and in cities like Boston almost 80% done in the built environment start them in BIM and help everyone downstream.

This a powerful tool in capturing as builts in Revit and beta testers will be eligible for a substantial discount when purchasing.

info@pointknown.com

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BIM As Built : Laser Technology

Speaking to a colleague from Europe who moved to the US because he stated, ‘there’s a survey shop on every corner in the UK, I could only find a handful here.’    However, that’s changing.  HDLS, high definition laser scanning is starting to take off, especially now that the GSA issued the laser scanning awards.  Additionally, more and more people are reworking existing assets / adaptive reuse projects so it is becoming more and more important to get the existing conditions data.  While everyone is waiting for the day we can walk around with a magic wand and wave it around the room we have to build a bridge from here to there.  HDLS in creating a 3D database is an excellent start.  I believe HDLS, from firms like Leica and FARO,  performs fantastically in certain circumstances such as inaccessible or difficult geometry, exposed MEP intensive projects, however, for typical conditions especially the interior of buildings it might be akin to using a sledgehammer rather when you need a fly swatter.   We, PointKnown, have been developing a product that bolts on to Revit and takes laser range finder data and builds objects as you measure.  This has been defined as PPLT (Point to Point Laser Technology).  It allows a surveyor to move quickly and accurately from room to room or object to object.  We do not intend for it to usurp laser scanning but rather augment current surveying teams, allowing them the most flexibility depending on the situation.

Most importantly is to define the deliverable and type of model needed for the project.  This can start at the basic architectural model using generic library items to, well , anything goes but most of our clients want dimensionally correct space and then they apply the material and details they need as that is what they want to control.

We are now accepting people and firms into our public beta that starts January 2010, if you have any interest please feel free to contact us at info@pointknown.com and put beta in the subject line.

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Revit Existing Conditions and As Builts Picking Up Pace : #BIM #Revit

My company’s primary focus is to document existing conditions and deliver to the client ’something’ dimensionally correct.  This something has typically been 2D drawings, floorplans, elevations, sections, etc.  We have utilized Revit on jobs that have required such extensive documentation that it was simply more efficient to create a 3D model and export the 2D data then document and draw the traditional way.  In fact, we have documented existing conditions in 3D since 2003 because it was always simpler to be in and object oriented environment.  However, the deliverables remained in 2D.  However, almost everything we have done in the last 3 months has been Revit and delivering existing conditions building models in Revit.   And the uses of the model vary widely.

  • We surveyed and delivered a Revit model of two dormitories for a University in Revit, even though they did not have an installed seat, because they wanted to prepare for the future.
  • We completed a Revit model of a single floor of Class A Office Space to be used for new interior layouts and design
  • We are in the process of surveying and creating a model of a sprawling historic in built in parts starting with the main building in 1760 to a new hall built in 1984. This is to be used for master planning of the site which they will use for rendering and analysis and to integrate a new building that will house a new lobby and 50+ guest rooms.

So the uses of Revit are expanding, and even if they are not being used for 4D and 5D purposes its benefits for visual communication, analysis, and increased speed of design/drafting cannot be discounted.  However, when integrating among all disciplines the results can be outstanding across the board.

We were fortunate enough to be part of the successful team, through a fantastic effort put forth by HNTB, that will be involved with the GSA and surveying and modeling their properties nationwide. What we have seen is either through the ripple effect or from other companies just being proactive that Revit and BIM are making a lot of headway into the community.  Companies that we work with report that they hope to be doing all their projects in Revit by this time next year and with new ways of doing work, and changing workflow and even the environment comes opportunity.

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40% of Energy Use Comes From Buildings : States Adopting Tougher Codes : BIM can help

According to the EPA buildings are responsible for up to 40% of all energy usage and carbon dioxide production, because of the increasing need to decrease energy usage and the US carbon footprint more stringent building standards are being put in place based on ASHRAE 90.1-2007 with some states adopting stricter standards.    Each state energy code is available here. Massachusetts had adopted one of the stricter standards and just wading through the stuff makes your head spin, I got sidetracked researching it by a thread discussing compliance concerning a sunroom and if it had to be added to the total exterior wall footprint of the house, and then there were tables with insulation factors, etc.  To add to the madness there is the HERS (Home Energy Rater System) system developed through energy star, and the ResCheck Suite developed by the DOE that ‘helps’ with home compliance.  Maybe you’ve started laughing by now or more likely crying.  All of this is well meaning but will take even more specialists to wade through it, understand it and comply with it.  Wouldn’t it be nice if there were plug in components for energy analysis with BIM software..wait a sec, they got that, and then run scenario analysis so you can see what modification or additions you need to make to comply to this new and evolving standards, have the software figure it out so you can design and build.  Use a swiss army knife instead of a spoon.


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Huge BIM Solicitation by the GSA

The GSA (Government Services Association) perhaps the biggest landlord in the world recently released 2 solicitations for BIM creation of existing properties and Laser Scanning.  5 years, $10 million per year.

So while there may be a lack of tools in capturing the built environment there is a building demand for these types of services.  And with GSA on board this is akin to McDonald’s asking that all their chicken be fed corn and named ‘Albert’, which is to say a lot of companies will be getting on board to offer these types of services, which will help differentiate them, which will force everyone to catch up, which will shift the target of services to BIM.

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