It shall be unlawful to build, erect or make areas, steps or other projections (except those indicated in subdivisions a, b, c, d and f of section 27-313 of the code) beyond the building line, upon the following streets:
1. Grand Boulevard and Concourse, in the borough of The Bronx, between East One hundred sixty-first street and Mosholu Parkway. Exception. In that section of the Grand Boulevard and Concourse located within a business use district, areas (meaning open spaces below the ground level immediately outside of the structure and enclosed by substantial walls) may project beyond the building line at most one-fifteenth of the width of the street or a maximum of five feet, provided that every such area is covered over at the street level by an approved grating of metal or other incombustible material of sufficient strength to carry safely the pedestrian street traffic.
2. Newkirk avenue, between Flatbush avenue and Coney Island avenue, in the borough of Brooklyn, and on all streets in the borough of Brooklyn where projections are prohibited by law.
Editor's note: For related unconsolidated provisions, see Appendix A at L.L. 1993/104.