Florida and Federal Tank Vehicle Regulations and Special Equipment
Florida and Federal Tank Vehicle Regulations and Special Equipment
This domain tests the rules that decide who may drive a tank, what the tank must be built and maintained to, and what equipment must be on it. Florida administers its CDL program to the federal standard, so the federal definitions and the Florida manual's tanker chapter drive the answers.
Endorsements
- N (tanker) is required for a tank vehicle: a CMV designed to carry liquid or gas in tanks with an individual rated capacity over 119 gallons and an aggregate rated capacity of 1,000 gallons or more. The trigger is capacity, not load: an empty 1,500-gallon tank still needs N.
- H (hazardous materials) is required to haul placarded quantities; X combines tank and hazmat. Florida requires the TSA threat assessment for H.
- A skills test in a tank vehicle is required for N; passing the knowledge test alone is not enough.
Cargo tank standards
- Specification plates: DOT 406 (MC 306) for flammable and combustible liquids; DOT 407 (MC 307) for low-pressure chemicals; DOT 412 (MC 312) for corrosives.
- Testing intervals: leakage test and external visual inspection every 12 months; internal inspection, thickness test, and pressure test every 5 years. A tank with out-of-date tests is out of service.
- Required hardware: internal self-closing stop valves that close when the handle is released or a fusible element melts, shear sections on piping, rear-end protection, and overturn protection for top fittings.
Operating rules
- Placards on both sides and both ends; shipping papers and emergency response information within reach.
- No smoking within 25 feet of a tank containing a flammable liquid or of a loading or fueling operation.
- Placarded vehicles may not be parked within 5 feet of the traveled portion of a public road, and must be attended when loaded.
- Placarded vehicles stop before railroad crossings unless an exception applies.
- Emergency equipment: at least a 10 BC extinguisher, warning devices, and spare fuses.
Worked example
A Florida intrastate carrier assigns a driver with a Class B CDL and no N endorsement to move a 1,200-gallon tank trailer that is empty and has been purged. Reasoning: the definition turns on rated capacity of 1,000 gallons or more, so the N endorsement is required whether the tank is loaded or empty and the driver is not legal to drive it. The carrier must assign an N-endorsed driver, or the driver must pass the tanker knowledge test and the skills test in a tank vehicle.
Traps
- Thinking an empty tank does not require the endorsement.
- Treating the annual leakage test as a substitute for the 5-year internal inspection.
- Forgetting that placards go on all four sides of a cargo tank.