Hereafter all sidewalks constructed or reconstructed in the city shall be located within the street line, approximately one foot from the property line of abutting lots; provided, that the plans and specifications authorized by Section 12.04.010 of this chapter, shall provide for the width, thickness and location of all sidewalks and for the replacement of any sidewalk where the same may be used for a driveway entrance or for other purposes than for pedestrian travel; provided further, that in the business district, any sidewalk may extend from the curbline to the property line as may be required by specifications therefor. (Prior code § 14-103)