(Completed in 2002)

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Nexus Vail galvanized steel frames with north end of facility glazed with 2” thick insulated metal panels and housing offices, bathrooms, conference room/classroom and a head house. 4 Bio-hazard level 2 greenhouse research cells to each side of central service corridor with insect screened roof vents, inside insect screened exhaust fans, insect screened cooling pads, gas unit heaters and bottom heat. Concrete floors with trench drains, greenhouse roofs glazed with clear 8mm Polygal twin wall polycarbonate panels.
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Phase I headhouse and four greenhouse cells—View down service corridor with doors back to headhouse and into four research greenhouse cells. Note double roof vents overhead and insect screen over motorized inlet shutters into each cells. Water hoses on auto reels and people lights overhead.
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Phase I headhouse and four greenhouse cells—View of genetically engineered virus fighting tomatoes in bio-hazard level 2 greenhouse cell under slope/flat/slope shade system. Exhaust fan covered with inside insect screen on outer wall, designed to offer screening four times the exhaust fan inlet mouth.
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Phase I headhouse and four greenhouse cells—View of naturally produced vaccine tomatoes growing in bio-hazard level 2 greenhouse cell. Note aluminum and glass entry door, two cooling pad systems to each side of center door and Structural Plastic benches to support crop.
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Phase I headhouse and four greenhouse cells—View from greenhouse cell through insulated metal partition wall back into headhouse. Note motorized shade system overhead, HAF fans for air circulation and people lights overhead. Plastic benches in stacks ready to install in greenhouse. Aspirated sensor for Argus computer controls hanging down in greenhouse space to measure temperature and humidity.
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Phase I headhouse and four greenhouse cells—View of two Koolcel pad cooling systems split by entry door. Note bleedoff returns off cooling pad system plumbed into drains in the floor. Sump tank covered by our unique two-part fiberglass lids. See HAF fan overhead for air circulation.
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Phase I headhouse and four greenhouse cells—View of propagation greenhouse cell with overhead fog nozzles, and on bench mist nozzles. Note hot water bottom heat running through EPDM tubes on 2″ centers on bench top. See HAF fans for air circulation, Modine unit heater and motorized shade system overhead. Note mist nozzles on rolling benches and insect screens over exhaust fan intakes.
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Phase I headhouse and four greenhouse cells—Biotherm hot water EPDM microtube heating system with supply and return headers on each rolling benches with mist nozzles over each bench in propagation cell.
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Phase I headhouse and four greenhouse cells—View under benches in propagation cell. Note mist nozzles on top of benches and bench legs anchored to concrete floor. Exhaust fans in background with expanded area insect screens over the inlet side of exhaust fans.
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Phase I headhouse and four greenhouse cells—View of inside ceiling area of greenhouse service corridor. Note double roof vents, people lights, aspirated sensor for Argus computer controls, HAF fans for air circulation and automatic retractable reels for water hoses and electric cords.
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Phase I headhouse and four greenhouse cells—View inside research greenhouse cell growing nicotine. Note Modine heater, people lights and motorized slope/flat/slope shade system overhead with heat reflecting Svensson shade fabrics. Insect screens over exhaust fan inlets.
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Phase I headhouse and four greenhouse cells—View of insect screen frame covered by anti-thrip insect screens over motorized shutters providing inlet air to the Koolcel pad system. 8mm clear twinwall polycarbonate panels for wall above and below motorized pad inlet shutters.
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Phase I headhouse and four greenhouse cells—View of electric and plumbing lines into the greenhouse corridor through the insulated metal partition from the headhouse. Also note ends of two roof vents with insect screens at the vent opening with brushes to seal around vent racks.

For more information on this greenhouse or any others, please contact us at appas@americanplant.com or call (405) 787-4833.