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  • Home
    • What's New
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  • SketchUp Models
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    • Bureaucratic Affairs Building HHW System Logic Exercise
    • Bureaucratic Affairs Building Scavenger Hunt
    • Chilled Water Plant System Diagram Exercise
    • The HIjend Hotel >
      • Chilled Water Plant Scoping Exercise
      • Ballroom AHU Scoping Exercise
      • Cooling Tower Scoping Exercise
  • Tools
    • Altitude Correction Factor
    • Economizer Evaluation Checklist
    • Eikon for Educators and WindLGC
    • Effective Duct Length Tool
    • Excel Third Axis Tool
    • Excel Time Value Conversion
    • Insulation Savings Tools
    • Logic Diagram Tool >
      • Logic Diagram Example - Discharge Air
      • Logic Diagram Example - CHW Plant 01
      • Logic Diagram Example - VAV AHU
    • Mixed Air Calculations
    • Monitoring Plan Spreadsheet
    • Pipe Friction Chart
    • Plot Digitizer >
      • Plot Digitizer Pump Curve Example
    • Square Law Spreadsheet
    • System Diagram Symbols
    • Thermodynamic Diagrams Spreadsheet
    • Universal Translator Data Analysis Tool
    • y = (m * x) + b Spreadsheet
  • Useful Formulas
    • Affinity Laws
    • Circular Equivalent Duct
    • Effective Duct Length
    • FT Guide Appendix C
    • HVAC Equations and Concepts
    • Hydraulic Diameter
    • Pump Power and Energy
    • "Square Law"
  • What's That Thing?
    • Cooling Towers
    • Pumps
    • Valves
  • Resources
    • Bill Coad's Writings
    • Data Logging Resources
    • EBCx Skills Guidebook
    • Energy Design Resources
    • Fisher Controls Valve Cavitation Bulletin
    • Functional Testing Guide
    • Honeywell Gray Manual
    • MCC Powers Bulletins
    • NBCIP Reports
    • PEC Tool Lending Library
    • PID Resources
    • Pneumatic Control Resources
    • Resource List
    • Scoping Resources
    • TAB Resources
    • Vintage Carrier Design Manual
    • VRF Systems
    • Williams' Wisdom
  • Videos
    • Bureaucratic Affairs HHW Logic Answers
    • Cooling Tower Flow Variation
    • Economizer Stratification
    • Functional Testing
    • Induction Principles
    • Monitoring Plans
    • CW Pump Deadheaded by Tower Lift
    • Ripple Effects
    • Testing a Pump
    • The Garden of Low Entropy
    • Variable Flow Systems
  • Training
    • Materials from Classes and Presentations >
      • ACEEE
      • ASHRAE
      • ASHRAE - Engineers Notebook
      • BCxA and NCBC
      • BEST Institute
      • Case Studies
      • ERDC 2020 RCx Academy
      • ELPNW
      • ICEBO
      • Marriott AEP
      • Magazine Articles
      • NAVFAC
      • Pacific Energy Center Design, Performance and Commissioning Issues Classes
      • Pacific Energy Center EBCx Project Review
      • Pacific Energy Center EBCx Workshop Series >
        • EBCx Workshop Series 12
        • EBCx Workshop Series 13
        • EBCx Workshop Series 14
        • EBCx Workshop Series 15 >
          • Student One On One Discussions
        • EBCx Workshop Series 16
        • EBCx Workshop Series 17
        • EBCx Workshop Series 18
      • Portland General Electric
      • U of W >
        • U of W Archive
    • On Demand Training >
      • Benchmarking UCA and Scoping
      • Loads and Psychrometrics
      • Induction Motor Principles
      • Introduction to Functional Testing
      • Scope of Work Documents
      • System Diagraming
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Bureaucratic Affairs Building Scavenger Hunt

Learn to navigate in SketchUp and use the Scene Tabs by answering the ten questions below

We have been using the SketchUp models quite a bit in hands-on training classes these days.   In preparation for a class for Marriott, Barry Estes suggested that I take one of my simpler models and develop a Scavenger Hunt around it as a way to help people coming to the class get up to speed on working with SketchUp.   This exercise is the result of that effort.

The files used by it area a subset of the  files for the Bureaucratic Affairs Building HHW System Logic Exercise, so if you end up wanting to know a bit more, for instance, how the finned tube radiation system in the model works, they you can pick and choose from the files on the Bureaucratic Affairs Building HHW System Logic Exercise page (the ​​ 00 - Heat Exchanger Logic Modification Assignment v2.pdf file is the one with the information on how finned tube radiation works).

To do the exercise, you will need a copy of SketchUp on your laptop.   The SketchUp Resources page will outline a variety of options for doing that and connect you with the necessary resources.  Even if you already have SketchUp,  before working with the models take a minute to review the following topics on the SketchUp Resources page:
​
  • A Few Details About Installing SketchUp and Using the Models 
  • Using Scenes and Scene Guides

​These topics cover several common questions that come up when folks start working with the models and also highlight some features that will make it easier to navigate through and work with the models.

The files you need along with a description of what they contain follows.
Bureaucratic Affairs Building v10 SUv8.zip​
bureaucratic_affairs_building_v10_suv8.zip
File Size: 18147 kb
File Type: zip
Download File

This is the model ​behind the exercise. 
Bureaucratic Affairs Building Description v2.pdf
bureaucratic_affairs_building_description_v2.pdf
File Size: 524 kb
File Type: pdf
Download File

This file describes the history of the Bureaucratic Affairs Building from its original construction in 1946 through the various equipment upgrades and replacements and the renovation in 1984.  Basically everything that has happened prior to the current EBCx study.  As is the case with most existing buildings, there are things about that evolution that will provide insight into some of the current issues in the facility.  So understanding the history of the building can be helpful.
HW System Diagram.pptx
hw_system_diagram.pptx
File Size: 836 kb
File Type: pptx
Download File

This is the system diagram for the hot water system in the model.  The portion of the system that lies in the mechanical room has yet to be developed, but when I get that done, it will look like what is portrayed in the system diagram and for the purposes of the exercise, you can assume that the system diagram reflects the actual piping in place in the building. 
Bureaucratic Affairs Building Scene Guide v9.pdf
bureaucratic_affairs_building_scene_guide_v9.pdf
File Size: 393 kb
File Type: pdf
Download File

The model has preset views in it called "Scenes" that make it easier to navigate to different locations and perspectives.   For instance, the image to the left, below is Scene 1, which is an overview of the building.  The image to the right, below, is Scene 7, which is the same perspective.   But in that scene, I turned off all of walls, the roof, the second floor slab, the beams, and the columns to allow you to see the piping circuit with nothing in the way. 
Picture
Picture
Once you have the files downloaded, open up the model and give it a go and see if you can answer the following questions.
​
  1. What is the size of the inlet duct on a typical terminal unit?
  2. How many steps are there from the first to the second floor?
  3. What are the hours of operation for the Department of Bureaucratic Affairs?
  4. Who manufactured the ladders that are being used on the project?
  5. Will the ladders float?
  6. Does the hot water system have any balance valves in it and if it does, who is the  manufacturer?
  7. For the finned tube radiation serving the West perimeter zone (Scene 12), what would you estimate that the pressure drop was through the balance valve if the flow is 7.4 gpm?
  8. Can you propose a reason for the issue noted in the header picture on the Bureaucratic Affairs Building HHW System Logic Exercise web page.  In other words, can you find a problem in the piping network that could be causing people at the East end of the 1st floor to complain of being cold when the rest of the building is comfortable?
  9. Are all of the terminal units the same and if not, why do you think there is a difference between them?
  10. Did you find any other “Easter Eggs”?  If so, what did you find?
 

​When you are done, you can watch the video below in which I navigate through the model to reveal the answers to the questions.

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