Type 5 street walls, as shown on Map 4 in Appendix A of this Chapter, shall comply with the provisions of paragraph (a) or (b) of this Section:

(a)        The street wall shall be located within two feet of the street line or the mandatory widened sidewalk line, as applicable, and shall rise without setback to a minimum height of 45 feet or the height of the building, whichever is less. Such required street walls shall extend along at least 50 percent of the length of the street line or the mandatory widened sidewalk line of the Parcel, as applicable; or

(b)        Where the lower street wall is set back from the upper street wall, the provisions of Section 104-334 (Type 4 street wall location) shall apply.

No street wall location regulations shall apply to the remaining 50 percent of the street frontage of a Parcel.