Whenever any person applies for a permit for the use of a street or sidewalk or portion thereof for the purpose of hoisting or lifting equipment or material over, across and above such street or sidewalk, he shall provide for closing off those portions of the street and/or sidewalk encompassed within the lifting area with suitable barricades, signs, and warning lights and shall provide a four foot (4') pedestrian walkway around such lifting area, such walkway to be suitably enclosed on the street side with barricades and warning lights. (Ord. 225, 9-5-1995)