For the purposes of applying the special ground floor level streetscape provisions set forth in Section 37-30 to this Chapter, the portion of a ground floor level street frontage considered a primary street frontage shall be as shown on Map 3 (Ground Floor Use Requirements) in Appendix A of this Chapter. A ground floor level street frontage along any other street shall be considered a secondary street frontage.

The provisions of this Section shall apply to developments or ground floor level enlargements.

(a)        Along primary street frontages

(1)        Type 1 primary street frontages

For buildings, or portions thereof, with Type 1 primary street frontage, uses on the ground floor level, to the minimum depth set forth in Section 37-32 (Ground Floor Depth Requirements for Certain Uses), shall be limited to Gowanus retail and entertainment uses, except for Type 1 lobbies and entrances and exits to accessory parking spaces provided in accordance with the applicable provisions of Section 37-33 (Maximum Width of Certain Uses). Group parking facilities located on the ground floor level shall be wrapped by floor area in accordance with the provisions of paragraph (a) of Section 37-35 (Parking Wrap and Screening Requirements). Ground floor level street walls shall be glazed in accordance with the provisions set forth in Section 37-34 (Minimum Transparency Requirements).

(2)        Type 2 primary street frontages

For buildings, or portions thereof, with Type 2 primary street frontage, uses on the ground floor level, to the minimum depth set forth in Section 37-32, shall be limited to non-residential uses, except for Type 1 lobbies and entrances and exits to accessory parking spaces provided in accordance with the applicable provisions of Section 37-33. Group parking facilities located on the ground floor level shall be wrapped by floor area in accordance with the provisions of paragraph (a) of Section 37-35. Ground floor level street walls shall be glazed in accordance with the provisions set forth in Section 37-34.

(b)        Along secondary street frontages

For buildings, or portions thereof, with secondary street frontage, all uses permitted by the underlying district shall be permitted on the ground floor level, provided that any off-street parking spaces on the ground floor level shall be wrapped or screened in accordance with Section 37-35. Entrances and exits to accessory parking facilities shall be subject to the provisions of paragraph (b) of Section 37-33.

(c)        For blank walls

In all districts, any street wall width exceeding 50 feet with no transparent elements on the ground floor level shall provide visual mitigation elements in accordance with the provisions of Section 37-36 (Special Requirements for Blank Walls).