Minor repairs and tune-ups, such as replacement of spark plugs, spark plug wires, thermostat, radiator or heater hoses, oil changes and brake jobs shall be permitted on city streets; provided, that they can be accomplished within the same day and completed by 10:00 p.m. All other repairs shall be considered major repairs and shall not be permitted on any city street, unless the repairs are made within an enclosed structure allowed within the zoning district. Damage to city streets because of repairs or lack of repairs shall be charged to the person responsible for the damage to the city streets.