The owners or occupiers of any wharf, warehouse or terminal facility within Charleston County shall at all times, as long as such property is used for public purposes, keep it and the sheds thereon and the approaches thereto in proper condition and repair. If such wharf, warehouse, terminal facility, superstructures or the approaches thereto are dangerous to life or limb or unsafe or unsuitable for the persons using them, the Authority shall notify in writing the owner or occupier of such wharf, warehouse or terminal facility to put it in proper repair or condition. If the owner or occupier shall neglect or refuse to put such wharf, warehouse, terminal facility, superstructures or approaches in proper condition within thirty days after notice, such owner or occupier so offending shall be subject to a penalty of one hundred dollars and the further sum of ten dollars for each day such neglect shall continue and shall moreover pay all expense incurred by reason of such neglect or refusal. And if such wharf, warehouse or terminal facility be at such time used for public purposes, the Authority may repair and put it in safe and suitable condition at the expense of the owner or occupier. But the owner or occupier of any such property shall, within ten days after notice is served upon him to repair the same, have the right to apply to the Authority for a hearing.