(a) Any cart, wagon, truck or other vehicle used for the purpose of conveying swill, offal, garbage or excrement shall be perfectly tight and covered so as to prevent the contents from leaking, spilling or becoming offensive because of odor, and no such cart, wagon, truck or other vehicle, when not actually in use, shall be allowed in any street, lane, alley or public place in the City.
(b) No person shall own, drive or move upon the public streets and alleys trucks or other motor vehicles which are constructed or loaded so as to permit any part of the load or contents thereof to blow, fall or be deposited upon any street, alley, sidewalk or other public or private place, or which deposit from their wheels, tires or other parts, onto the street, alley, sidewalk or other public or private place, dirt, grease, sticky substances or foreign matter of any kind. However, under circumstances determined by the City Manager to be in the public interest, he or she may grant any person a temporary exemption from the provisions of this subsection conditioned upon cleaning and correcting the violating condition at least once daily and execution of an agreement by such person to reimburse the City for any extraordinary maintenance expenses incurred by the City in connection with such violation.