Specifications.pdf

Environmentally Controlled Plant Growth Chambers

The government is requesting bids on the furnishing, delivery and installation of four new environmentally controlled plant growth chambers as specified herein:

Control System:

1. Must be a reliable, flexible, user friendly, and industrial grade control system that is designed specifically for plant growth chambers.

2. Programming must be capable of storing at least to 10 real-time user-entered programs each containing at least to 30 lines. Each program should be able to define a single 24-hour period.

3. Data logging and graphing must be accessible at site and remotely.

Construction:

4. Exterior dimensions must not exceed: 110"W x 40"D x 80"H

5. Growth area must not be less then: 16.ft².

6. Growth capacity must be a minimum: 75ft³.

7. Growth height must be a minimum: 57” from floor to lights

8. Interior finish would preferably be reflective for light dispersal.

9. Must have at least two reach-in doors which fasten closed and with keyed locks

10. Must have at least two instrument ports with caps.

11. Must have an Observation Window

Lighting:

12. Intensity: must reach at least 875 micromoles/m²/s

13. Must at least a have 4 level programming of each light type.

14. Lamps must contain a balanced spectrum for plant growth using T5 fluorescent and halogen incandescent lamps.

15. Must have a quantum light meter for display and recording of light output.

Temperature Control:

16. Must be able to range: +10°C to +45°C with the lights ON.

Carbon Dioxide Additive Control:

17. Must have additive CO2 control and be able to range from ambient up to 2900 ppm.

18. Must include CO2 sensor, CO2 regulator, control valve, and injection system.

Air Flow:

19. Must contain filtered air inlet and adjustable exhaust.

20. Airflow must be vertical and flow upward through the floor

21. Must be able to humidify air. Additive humidity through use of spray nozzles.

Dehumidification is optional.

Environmentally Controlled Incubator/ Germinator/ Tissue Culture Chamber

The government is requesting bids on the furnishing, delivery and installation of a new environmentally controlled seed germinator as specified herein:

Control System:

1. Must be a reliable, flexible, user friendly, and industrial grade control system that is designed specifically for plant growth chambers.

2. Programming must be capable of storing at least 16 real-time user-entered programs each up to 45 lines with one-minute resolution. Each program should be able to define a single 24-hour period.

3. Data logging and graphing must be accessible at site and remotely. The data available at the local display screen should include chamber variables: temperature, humidity, lighting and CO2. Trend data must be able to be downloaded through the USB port.

4. Alarms must be audible to alert personnel of issues and visual on the chamber.

Construction:

5. Exterior Dimensions must not exceed: 42"W x 34”D x 77”H

6. Growth area must be no less than 22.6 ft2

7. Must have at least 4 tiers/shelves

8. Growth height must be at least 6.5’’

9. Must have at least one instrument port.

10. Must have a locking door

11. Must have a drain and a condensate pump to pump water to drain

Lighting:

12. Must have at least four tiers with fluorescent lighting that can provide 300µmol/m2/sec

13. Must be able to set at least three levels of light intensity.

Temperature Control:

14. Must be able to range: +4°C to +40°C lights OFF and +10°C to +45°C lights ON

Carbon Dioxide Additive Control:

15. Must have additive CO2 control and be able to range from ambient up to 2900 ppm.

16. Must include CO2 sensor, CO2 regulator, control valve, and injection system.

Air Flow:

17. Airflow must be vertical and flow upward

18. Must have additive humidification.