Conviron Model PGC-Flex Plant Growth Chamber/ Equal

The Department of Agriculture Agricultural Research Service seeks quotations for one Conviron Model PGC-Flex Plant Growth Chamber with installation, with quotes due August 24, 2026 at 2:00 PM Central Time. This is a total small business set-aside (NAICS 334516, 1,000-employee threshold).

Place of performance is Maricopa, Arizona, with delivery required within 90 days of award. The procurement specifies a Conviron PGC-Flex-3 model to maintain scientific integrity and statistical validity in concurrent experiments; the chamber must match an existing Conviron PGC-3 growth chamber to enable completely random statistical design, improving statistical power by 20% and avoiding a 25% loss of statistical power from chamber design variations compared to sequential single-chamber operation.

Technical specifications include a minimum growing area of 5 square meters, programmable temperature range from −5°C to +40°C with 0.5°C control precision, LED lighting at minimum 500 micromoles per square meter per second with balanced spectrum and supplemental far-red lighting, humidity control up to 85% relative humidity with 3% precision, internal dimensions of at least 97 inches wide by 30.5 inches deep, adjustability between single or multi-tier configurations with minimum 14 inches height per tier in three-tier mode, water-cooled condensing unit with hot gas bypass system, and specified airflow configurations. Quoters must provide complete brand name specifications demonstrating compatibility with the existing chamber and include sufficient descriptive literature.

Award will be made on a firm-fixed-price basis to a single offeror representing best value. Evaluation weighs price as the primary factor, followed by technical acceptability and past performance. All quoters must register in SAM with valid UEI, hold prices firm for 90 days from the offer due date, and submit quotes electronically to shalunda.mix@usda.gov.