A Field Perspective on Engineering Commissioning Resources
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  • Home
    • What's New
  • Blog
    • Blog Support
  • SketchUp Models
    • SketchUp Resources
    • 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
    • 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
    • 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 >
        • PEC Class Materials Archive
      • 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
      • 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
    • Training Opportunities
  • Contact
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Blog Support

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This page contains files that I wanted to make accessible from a link in a blog post and is hidden in the normal navigation menu system for the website.
 
variable_flow_water_plants.zip
File Size: 11705 kb
File Type: zip
Download File

Variable Flow Plant Information

This zip file contains general information about variable flow primary secondary chilled water plants including:
  • A PowerPoint presentation that looks at a number of variable flow plant topics, including plant over-flow  a.k.a. low delta t syndrome and variable flow hot water plants.
  • A Word document that provides a narrative description of variable flow plant operation and some of the design considerations that need to be addressed to ensure proper operation.
While most of the information is presented in the context of a variable flow chilled water plant, the concepts apply to any type of system, including hot water systems and condenser water systems with similar configurations. ​
 
easter_egg_hunt_files.zip
File Size: 6416 kb
File Type: zip
Download File

Easter Egg Hunt Exercise

This zip file contains the model and building description for the Bureaucratic Affairs Building based Easter Egg Hunt Exercise, which is intended to be a way to get you comfortable with using SketchUp to prepare for a class were we will be using SketchUp in the class room or if you want to do some self study using the exercises under our SketchUp Models page.  The general point of the exercise is to find the answers to 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 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?

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