It shall be unlawful for any person to store or keep for any period of time any liquefied petroleum in an amount exceeding five gallons within the corporate limits of the city, except on the railroad right-of-way, without such person first receiving permission from the City Council. In granting such permission, the City Council shall specify the exact location, construction and kind of storage facility, and prescribe any other rules and regulations for such storage to ensure reasonable safety from fire.