For non-qualifying sites in subareas outside the Grand Central Core Area, as shown on Map 2 (East Midtown Subdistrict and Subareas) in Appendix A of this Chapter, the basic maximum floor area ratio permitted on such zoning lots shall be increased, up to the amount specified in Row B of the table in Section 81-65 (Special Floor Area Provisions for All Non-qualifying Sites), where a public plaza is provided in accordance with the provisions of Section 81-23 (Floor Area Bonus for Public Plazas).