It is a misdemeanor for any person, not acting under a specific contract with the city, to remove snow from private property or alleys and place the same on a public street in a quantity or in a manner as to cause a hazard to travel, without adequate arrangements for the immediate removal thereof. It is also a misdemeanor for any person not acting under a contract with the city to dump snow on other city property.
(`80 Code, § 7.05) Penalty, see § 1.99