(a)        In the District Plan as shown in Appendix A, the following areas have been designated as the Residential Preservation Area:

(1)        all areas in R8 Districts including areas mapped C1 within these R8 Districts which are:

(i)        within 100 feet of the westerly street line of the Grand Concourse between East 153rd Street and Mosholu Parkway; and

(ii)        within 100 feet of the easterly street line of the Grand Concourse between East 153rd Street and a point parallel to and 150 feet north of East 166th Street, and between McClellan Street and Mosholu Parkway;

(2)        an area partly in R8 and C1 Districts with a depth of 100 feet from the west side of the street line of Walton Avenue between East 161st and East 164th Streets; and

(3)        an area in R8 Districts with a depth of 100 feet from the east side of the street line of Anthony Avenue between East 181st Street and East 182nd Street.

Within the Residential Preservation Area in R8 Districts, the following three commercial sub-areas have special use and bulk regulations:

(i)        Limited Commercial Areas

(ii)        Commercial Extension Areas

(iii)        Commercial Infill Sites

(b)        The location of these sub-areas is described below:

(1)        Limited Commercial Areas

The following areas with a depth of 50 feet from the street line of the Grand Concourse are designated on the District Plan (Appendix A) as Limited Commercial Areas:

(i)        on the west side of the Grand Concourse from the south side of East 176th Street to a point 25 feet north of Henwood Place;

(ii)        on the west side of the Grand Concourse from a point 40 feet north of Bush Street to the south side of Burnside Avenue;

(iii)        on the west side of the Grand Concourse from 100 feet north of East 180th Street to a point 180 feet south of East 183rd Street; and

(iv)        on the east side of the Grand Concourse from the north side of East 182nd Street to a point 180 feet south of East 183rd Street.

(2)        Commercial Extension Areas

Along certain cross-streets within the Residential Preservation Area, extensions of existing Commercial Districts up to the Grand Concourse to a depth of 100 feet measured perpendicularly from the street line of such cross-streets, are designated as Commercial Extension Areas on the District Plan (Appendix A). These extension areas are located along the following streets:

(i)        the north and south sides of East 165th Street, west of the Grand Concourse;

(ii)        the north and south sides of East 167th Street, east of the Grand Concourse;

(iii)        the north and south sides of East 170th Street, east and west of the Grand Concourse; and

(iv)        the north and south sides of Mount Eden Avenue, west of the Grand Concourse.

(3)        Commercial Infill Sites

All tax lots listed in Table A in Section 122-10 which contain buildings designed for non-residential uses in Use Groups 6 or 7 or where such buildings existed as of July 1, 1981 are designated as Commercial Infill Sites on the District Plan (Appendix A).