(1) With every building erected and every existing building extended, there shall be provided on the same lot an area or garage containing parking spaces with adequate access to a street or driveway connecting to a street for the use of occupants of said building.

(2) There shall be provided one (1) off-street parking space for each one thousand square feet in such building in accordance with the provisions of Section 14-1404(3), (4), (6) and (7) of this Title, as applicable to certain Industrial Districts, and Section 9-601 of The Philadelphia Code.

(3) For warehouses and other buildings and structures used primarily for storage, one off-street parking space shall be provided for every three thousand square feet of the gross floor area of the building, in accordance with the provisions of Chapter 14-1400 of this Title, as applicable to certain Industrial Districts.