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CDCV Webinar Feb 191
- 2. Lab Centralized Demand Controlled Ventilation (CDCV) Marc Gomez, EH&S Rebecca Lally, EH&S Chris Abbamonto, Facilities Management Matt Gudorf, Facilities Management Geoffrey Bell, LBNL Applying a New and Emerging Technology
- 4. Does Centralized Demand Controlled Ventilation (CDCV) Allow Us To Reduce Ventilation Rates & Save Energy Without Compromising Safety? This Initiative
- 6. Components of Centralized Demand Controlled Ventilation (CDCV) “Creating a Smart Lab”
- 10. CDCV & Energy $avings Recipe for Success Safety Management Visionary & Supportive Upper Management Engineers Facility Managers Patience Team Synergy Supportive Users / Researchers
- 11. Is CDCV effective in reducing the contaminant concentration from a spill in a lab?
- 12. Spill Locations Farthest point from the hood In front of the hood Benchtop
- 14. Distributed, Multi-Point Air-Sampling Network Air Data Router Room Sensor
- 15. Air Contaminant Monitoring Results Spill Farthest Point from Hood - Sash Closed 4 ACH 12 ACH CDCV on @ 5 min.
- 16. Air Contaminant Monitoring Results Spill Farthest Point from Hood - Sash Closed 4 ACH 12 ACH CDCV on @ 17 min.
- 17. Air Contaminant Monitoring Results Spill Farthest Point from Hood - Sash Closed
- 18. Spill Results Summary * MiniRae 2000 76 227 17 12 4 Spill 2 w/CDCV 70 219 5 12 4 Spill 1 w/CDCV 73 339 n/a 6 6 Baseline Spill w/o CDCV Clearance Time (min.) *Peak Conc. (ppm) Minutes post- spill ventilation increased Post-spill ACH Pre-spill ACH Event
- 30. Croul Hall CFM Rate Change
- 39. Thank You!
Notes de l'éditeur
- Leave slide on for 90 minutes prior to webinar beginning
- Welcome to our webinar MG D EH&S UCI Thanks for letting us share our experience with…
- UC Irvine is a growing…
- This study asks the question…
- As you know, lab ventilation rates are often set at a constant rate between 4 to 12 ach These rates are frequently excessive during low level process activity and non occupancy This study explores the possibility of a set back based on lab pollutant concentration
- The following diagram summarizes the …
- This CDCV system begins with: room sensors to measure the quality of the air in many locations of a building An air router pulls the air sample to the Sensor suite that analyzes the air sample for… An information management server tells the VAV controller to increase or decrease air flow All this data is logged into a computer for analysis
- The result is by monitoring air contaminants, we can make decisions about reducing or increasing ventilation rates in the building
- Our goal is to find the sweet spot where we maximize energy savings without compromising safety.
- Our recipe for taking on an ambitious project like this is to have a multi-disciplinary team of professionals focused on a common goal. At this time, Rebecca Lally will tell you about our study
- This slide demonstrates air samples being taken from various locations.
- If there’s a delay in the activation of the ventilation system, higher concentrations will result. Therefore , data did not prove that CDCV provides for a safer lab, slower response in ramping up, higher peak concentration. Pick another lab that can reach stable ACH.
- If there’s a delay in the activation of the ventilation system, higher concentrations will result. Therefore , data did not prove that CDCV provides for a safer lab, slower response in ramping up, higher peak concentration. Pick another lab that can reach stable ACH.
- 1 st bullet - Current sensor suite does not detect all chemicals