(Completed in 2002 & 2003)

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Contains 9 each, 60’ wide cells with service corridor, pad and fan cooling, overhead hot water heat, motorized shade and blackout systems, high pressure sodium lights, rolling benches and double intake insect screening. 8 mm Polygal clear twin wall panels in aluminum extrusions on an Agra Tech galvanized steel rigid peak frame. Managed with Argus Controls. In floor service trenches for piping. Floor drains for each individual cell, all with concrete floors. West range under construction to left.
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View in one of 9 east research cells with roof blackout system deployed over rolling bench frames. Sidewall system still rolled up before dropping to block out most daylight. PL high pressure sodium lighting overhead. Convection tube from Acme Fanjet overhead to distribute heat and move air.
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View down central service corridor of 9 research cells with overhead insect screening (double roof vents above this screen in greenhouse peak with additional larger mesh screens at vent intake). Special insect screen panels over motorized shutters covering cooling pads on both left and right side of corridor. Aspirated sensors for Argus controller hanging overhead and Modine hot water unit heaters to warm service corridor. 8 mm clear twin wall polycarbonate panels on sidewall into cells.
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View of crops on ebb and flood benches with Koolcel pad system in background. Note PL light high pressure sodium plant lights and motorized shade system overhead. Shade currently in “open” position and bunched up by trusses, ready to deploy.
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Insect screen ceiling under roof vents in service corridor. Note Modine hot water heater on left and motorized inlet shutter on right of gable partition glazed with 8 mm clear twinwall polycarbonate panels.
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Structural plastic benches mounted on short legs ( for tall crops) under high pressure sodium lights and motorized shade systems. This shade system is “closed” or deployed from truss to truss to shade and save energy. Note insect-screened exhaust fans in background.
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Ebb and flood bench with adjustable height legs. Note water supply tank under bench and drain into service trench in concrete floor.
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Ebb and flood benches under high pressure sodium lights and motorized shade system. Note Koolcel pad cooling system in background.
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Crops on ebb and flood bench tops. Note Acme fanjet, convection tube and Modine hot water heater overhead with high pressure sodium plant lights and motorized shade system overhead. Note Argus control  and contactor panels on back wall and Argus aspirated sensor box hanging above crops on benches.
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View of heavy-duty aluminum/glass entry door on south wall with reflective stationary wall shade panels. Note motorized shade cloth and high pressure sodium plant lights overhead.
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View of insect-screened frames on intake side of exhaust fans. These rectangular frames are designed with three removable insect screen panels to provide more than four times the surface area of the fan inlet mouth in fine mesh insect screen. Note all greenhouse surfaces are glazed with 8 mm clear twinwall polycarbonate panels mounted in aluminum extrusions.
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View of 24″ wide service trenches in concrete floor by outer walls. These trenches provide floor drains and house most all of the plumbing lines and support utilities for each research greenhouse space. Note insect screen frame over exhaust fan on right or east sidewall.
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Insect screen frames over pad inlet shutters that provide inlet air to the Koolcel pad cooling system just inside these shutters in each cell. Note aluminum/glass entry door into cell and emergency night lights painted to only allow light down towards the floor. All greenhouses surfaces glazed with 8 mm clear twinwall polycarbonate panels.
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View of insect screens over cooling pad inlet shutters to each side of east service corridor and as ceiling under roof vents and on gable partition in service corridor. Note Modine hot water heater and heavy-duty aluminum/glass entry doors. Observe all electrical conduit routed along top wall of service corridor above pad inlet shutters.
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Ebb and flood benches under high pressure sodium lights and “open” motorized shade system. Motorized shade bunched up by trusses so you can see 8 mm twinwall polycarbonate roof panels installed in aluminum extrusions. Note insect-screened exhaust fans in background.
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View of Acme fanjet, convection tube and Modine hot water heater under motorized shade system. Note PL high pressure sodium plant lights overhead, but under the motorized shade systems. You can see the plant lights in the cell behind this gable partition are “on” and shining bright.
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View of typical cooling pad system in each research cell with welded aluminum bottom gutter and removable aluminum top caps encasing 6″ thick CELdek  cooling pads. Note the black plastic sump tank in background with our own unique removable two-part black fiberglass lid, system filter and bleed-off drain system.
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View of water and fertilizer feed lines with valves and solenoids in 24″ service trench designed into concrete floor and covered with fiberglass grate tops.

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

 

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