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HVAC OVERVIEW for Single Tunnel Configuration November 17, 2008 ILC CFS Workshop 2008 Chicago, IL

HVAC OVERVIEW for Single Tunnel Configuration November 17, 2008 ILC CFS Workshop 2008 Chicago, IL Lee Hammond, Fermilab. Klystron Cluster August Cost Basis. Single Tunnel Alcove Layout. Alcove and Area of Refuge Consideration

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HVAC OVERVIEW for Single Tunnel Configuration November 17, 2008 ILC CFS Workshop 2008 Chicago, IL

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  1. HVAC OVERVIEW for Single Tunnel Configuration November 17, 2008 ILC CFS Workshop 2008 Chicago, IL Lee Hammond, Fermilab

  2. Klystron Cluster August Cost Basis

  3. Single Tunnel Alcove Layout • Alcove and Area of Refuge Consideration • NFPA 520 …shall have fresh air from the surface during a fire emergency • Air quantity shall be 34m³/hr (944 L/s, 20cfm) per person or minimum required to prevent smoke infiltration. • Shall maintain 12.5Pa (0.05in.wg) relative to adjacent space. • Shall be provided with food, water, emergency lighting, blankets, toilets facilities, first aid kits, two communications. Rack Alcove Area of Refuge

  4. Tunnel Section with Ventilation Piping in Floor S E VENTILATION DUCTS

  5. Area of refuge Layout

  6. Single tunnel Airflow • Air supply into area of refuge and rack alcoves. “Heat to air” in beam tunnel considered to be quite small. 95% reduction from RDR

  7. Airflow during Emergency • Smoke barrier/water curtain at approx. 600m intervals test

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