It is unlawful for any person, firm or corporation to open or construct any entrance into a cellarway in a sidewalk or street without the approval of the city commission. All cellarways or pavement entrances now existing in any sidewalk or street, or which may hereafter be so constructed, shall be protected by a good and substantial iron railing to be approved by the building inspector in accordance with the building code. Any person who shall open or leave unprotected any cellar entrance, cellarway, coal hole or grating in any street or sidewalk in the city, or permit the same to remain or be in an unsafe condition shall, upon conviction thereof, be fined in any sum not exceeding one hundred dollars ($100.00). (Prior code § 14-302)