Controls Why They Dont Work

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Tech 4 - Jim Stuber
Technical Session from the 2006 ASHRAE Region VI CRC

Published in: Design, Technology, Business
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Controls Why They Dont Work

  1. 1. Retro-Commissioning
  2. 2. <ul><li>60.5 Acres, 41 Buildings, 4.946 MGSF </li></ul>
  3. 3. Age of Facilities 6% 226,851 2000 to Present 19% 723,520 1990 to 2000 16% 594,524 1980 to 1990 18% 690,021 1960 to 1980 23% 884,605 1930 to 1960 18% 667,882 1910 to 1930 OF TOTAL GROSS DATE PERCENT BUILDING BUILDING
  4. 4. Systems <ul><li>Constant Volume </li></ul><ul><li>Variable Volume </li></ul><ul><li>Duel Duct </li></ul><ul><li>Fan coils </li></ul><ul><li>DX </li></ul><ul><li>Window units </li></ul>
  5. 5. Facilities Engineering Mission Lower Operating Costs Preserve Assets Improve/Maintain Customer Satisfaction
  6. 6. CSRB Energy Conservation Project <ul><li>$380k Annual Savings, 3 Year payback </li></ul>
  7. 7. West Building HVAC Issues
  8. 8. Staffing Retro-Commissioning <ul><li>Reduced Service Contracts </li></ul><ul><li>Reorganized the Maintenance Department </li></ul>
  9. 9. Retro- Recommissioning <ul><li>Customers </li></ul><ul><li>Maintenance Staff </li></ul>
  10. 10. Retro- Recommissioning <ul><li>Customers </li></ul><ul><li>Maintenance Staff </li></ul><ul><li>Gather Building Data </li></ul>
  11. 11. Retro- Recommissioning <ul><li>Customers </li></ul><ul><li>Maintenance Staff </li></ul><ul><li>Gather Building Data </li></ul><ul><li>Calculate Heat Load </li></ul>
  12. 12. Retro- Recommissioning <ul><li>Customers </li></ul><ul><li>Maintenance Staff </li></ul><ul><li>Gather Building Data </li></ul><ul><li>Calculate Heat Load </li></ul><ul><li>Assess Deficiencies </li></ul>
  13. 13. Retro- Recommissioning <ul><li>Customers </li></ul><ul><li>Maintenance Staff </li></ul><ul><li>Gather Building Data </li></ul><ul><li>Calculate Heat Load </li></ul><ul><li>Assess Deficiencies </li></ul><ul><li>Document Equipment </li></ul>
  14. 14. Retro- Recommissioning <ul><li>Customers </li></ul><ul><li>Maintenance Staff </li></ul><ul><li>Gather Building Data </li></ul><ul><li>Calculate Heat Load </li></ul><ul><li>Assess Deficiencies </li></ul><ul><li>Document Equipment </li></ul><ul><li>Prioritize Work </li></ul>
  15. 15. <ul><li>5M Annual Savings in FY05 </li></ul><ul><li>$26M Total Savings from FY92 - FY05 </li></ul>
  16. 16. Why Are Existing Buildings Broken? <ul><li>Life of Equipment </li></ul><ul><li>Space Use </li></ul><ul><li>Budget Pressures </li></ul><ul><li>Organizational Change </li></ul><ul><li>Knowledge Base </li></ul>
  17. 17. What we’re doing about it <ul><li>Facilities Renewal </li></ul><ul><li>Retro-Commissioning </li></ul><ul><li>Training </li></ul><ul><li>Commissioning </li></ul><ul><li>Equipment Standards </li></ul><ul><li>Design Guidelines </li></ul><ul><li>Controls Guidelines </li></ul>

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