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  • Home
    • What's New
  • Blog
  • 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
    • 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
    • Control and Logic Diagram Standards
    • 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
    • TAB Resources
    • Vintage Carrier Design Manual
    • VRF Systems
    • Williams' Wisdom
  • Videos
    • Bureaucratic Affairs HHW Logic Answers
    • Cooling Tower Flow Variation
    • Economizer Stratification
    • Induction Principles
    • Monitoring Plans
    • Ripple Effects
    • Testing a Pump
  • 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
      • Portland General Electric
      • U of W >
        • U of W Archive
    • On Demand Training >
      • Induction Motor Principles
      • Introduction to Functional Testing
      • Scope of Work Documents
    • Training Opportunities
  • Contact
    • Copyright and Permissions

ASHRAE - Engineers Notebook Column

I have started writing for the Engineers Notebook Column in the ASHRAE Journal and will post copies of those articles on this page as they are published
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2020 Columns
 

2020 Columns

Data Logging Through the Decades

2020-06 Data Logging Through the Decades.pdf
File Size: 2076 kb
File Type: pdf
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This column looks at how data logging has evolved over the 40 plus years of my career and discusses the crucial role data logging plays to this day in supporting the operation of our facilities.

What to Consider When Designing for N + 1

2020-11 N+1.pdf
File Size: 2548 kb
File Type: pdf
Download File

This column looks at redundancy and discusses how you might need to think of it in broader terms than just having an extra prime mover.   It includes a case study, which was essentially an on-the-fly ongoing Cx effort where considering the system, not just the prime mover led us to a solution to a problem that was costing us $20,000 - $30,000 a year in non-energy costs.   The solution actually cost us a bit of energy, but it was a net win because it eliminated the other costs.  And the other costs had implications in terms of embedded energy and other resources.
 

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