The short answer
A reefer is primarily a transport environment, not a substitute for product precooling or a loose receiving schedule.
Do these first
The shipper defines the product requirements before the carrier arrives.
- Pre-cool product as required — product condition starts before loading.
- Provide the operating temperature in writing — do not make the carrier guess.
- Provide sanitary requirements — including cleaning or prior-cargo instructions when applicable.
- Confirm delivery appointment — shelf life is already moving.
Product temperature and trailer set point are not the same thing
USDA transportation guidance distinguishes product temperature from vehicle operating conditions and emphasizes product precooling.
The shipper supplies the required transportation temperature. Do not treat the trailer as a rapid product-chilling system.
Trailer preparation
FDA's sanitary transportation rule requires appropriate sanitary condition and, when necessary for temperature-controlled food, proper preparation and precooling of refrigerated compartments according to shipper specifications.
Airflow
Use reefer airflow and loading for the air path rather than duplicating it here.
Washout and sanitation
Sanitary requirements depend on the product and shipper program. Tell the carrier any required washout, cleanliness standard, prior-cargo restriction, seal procedure or inspection requirement.
Sources
- https://www.fda.gov/food/food-safety-modernization-act-fsma/fsma-final-rule-sanitary-transportation-human-and-animal-food
- https://www.fda.gov/food/food-safety-modernization-act-fsma/frequently-asked-questions-fsma
- https://www.ams.usda.gov/sites/default/files/media/TransportPerishableFoodsbyTruck%5B1%5D.pdf
Send the product requirements before the reefer is booked
Give me the commodity, operating temperature, sanitation instructions and appointment details so the carrier receives the actual shipping requirements.
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