Specifications include, but are not limited to:Crash Performance a. Must meet at minimum NCHRP 350 test level 3 requirements; including NCHRP 350 Test 3-50, Test 3-51, Test 3-52 and Test 3-53, (no exceptions) ____ ____ _______________________ 2. Axles a. Axle must meet the required gross vehicle weight rating of the trailer ____ ____ _______________________ b. Equalizer spring or torsion suspension ____ ____ _______________________ 3. Wheels and tires a. Sufficient sized wheels and tires that meets or exceeds the load rating of the trailer ____ ____ _______________________ b. Galvanized steel rims ____ ____ _______________________ c. Must provide one spare matching wheel and tire, with spare tire mount ____ ____ _______________________ d. Meet Federal DOT requirements for conspicuity marking ____ ____ _______________________ 4. Frame/Chassis a. Frame and chassis to be fabricated from corrosive resistant materials, such as aluminum or galvanized steel, painted steel is not acceptable on framework of TMA unit
