Practice question

Per NMDOT 2019 702.2.2.4, drums shall be a minimum of which size, with what top and base features?

18 inches high and 8 inches in diameter, closed top, steel drum
36 inches high and 18 inches in diameter, closed top, with a sand-ballasted, preformed rubberized, or tire-sidewall-collared base
28 inches high and 12 inches in diameter, open top, with a concrete-filled base
48 inches high and 24 inches in diameter, open top, with no ballast allowed

Answer: B — 36 inches high and 18 inches in diameter, closed top, with a sand-ballasted, preformed rubberized, or tire-sidewall-collared base

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