The provisions of Section 3202 of IBC are adopted by reference with the following modifications:
1. Revise Section 3202.1.1 to read:
"3202.1.1 Structural support.
A part of a building erected below grade that is necessary for structural support of the building or structure shall not project beyond the property lines, except as provided in Sections 3202.1.1.1 through 3202.1.1.4."
2. Add new Sections 3202.1.1.1 through 3202.1.1.4 to read:
"3202.1.1.1 Foundations.
The portions of foundations above a level 20 feet (6096 mm) below city datum may project into a public way four and one-half inches (114 mm) per foot (305 mm) of depth below sidewalk or alley grade but not more than 36 inches (914 mm).
3202.1.1.2 Centerline of public way.
Except as provided in Section 3202.1.1.4, in no case shall foundations extend within five feet (1524 mm) of the centerline of any public way.
3202.1.1.3 No usable floor area.
Except where sub-sidewalk space is permitted, no foundation, or any part thereof, shall project into a public way in such manner as to add to the floor area of any building or structure.
3202.1.1.4 Deep foundations.
Portions of foundations, constructed lower than 20 feet (6096 mm) below city datum, may project into a public way such distance as the building official may approve as necessary for the stability of the building or structure of which they are a part."
3. Revise Section 3202.1.2 to read:
"3202.1.2 Vaults and other enclosed spaces.
The construction and utilization of vaults and other enclosed spaces below grade shall be subject to Chapter 10-28 of the Municipal Code."
4. Revise Section 3202.2, including its subsections, to read:
"3202.2 Encroachments above grade and below 12 feet in height.
Encroachments into the public way above grade and below 12 feet (3658 mm) in clear height shall be prohibited. Doors and windows shall not open or project into the public way."
5. Revise Section 3202.3, including its subsections, to read:
"3202.3 Encroachments 12 feet or more above grade.
Encroachments 12 feet (3658 mm) or more above grade shall comply with Sections 3202.3.1 through 3202.3.4.
3202.3.1 Awnings, canopies, marquees and signs.
3202.3.2 Cornices, belt courses and similar projections.
Where the vertical clearance above grade to projecting cornices, rustications, quoins, moldings, belt courses, lintel, sills, oriel windows, pediments and similar projections of a decorative character is more than 12 feet (3658 mm), the maximum encroachment shall be 2 feet (610 mm) and shall not exceed 5 percent of the wall area.
3202.3.3 Fire escapes.
Fire escapes hereafter erected shall not project over a public way except when erected to replace an existing required fire escape which projects over the public way.
3202.3.4 Pedestrian walkways.
The installation of a pedestrian walkway over a public way shall be subject to Chapter 10-28 of the Municipal Code."
6. Revise Section 3202.4 to read:
"3202.4 Temporary vestibules.
Temporary vestibules shall not be erected for a period of time exceeding 6 months in any 1 year and shall not encroach more than 3 feet (914 mm) nor more than one-fourth of the width of the sidewalk beyond the property line. Such enclosures shall comply with Chapter 11 and shall not contain seating."
(Amend Coun. J. 2-19-20, p. 14473, Art. II, § 98)