Within any parcel identified in Section 62-931 (Waterfront Access Plan BK1: Greenpoint-Williamsburg), and with respect to any such parcels that are adjacent to each other and that are under single-fee ownership and with respect to which each party having any interest therein is a party in interest (as defined in paragraph (e) of the definition of a zoning lot in Section 12-10) or with respect to which each party in interest (as defined in paragraph (f)(4) of the definition of a zoning lot in Section 12-10) has executed a declaration declaring that the properties are to be developed as a single parcel or has waived its right to execute such declaration, the total lot coverage permitted pursuant to Section 62-322, the total floor area permitted pursuant to Sections 62-351 or 62-352 and the residential density permitted pursuant to Section 23-22, may be located anywhere within such parcel or between such parcels without regard to zoning lot lines or district boundaries provided that such location of floor area, lot coverage or residential density complies with Sections 62-31 (Bulk Computations on Waterfront Lots) and 62-34 (Height and Setback Regulations on Waterfront Blocks), as modified by Section 62-354 (Special height and setback regulations).