No yard or other space provided about any structure for the purpose of complying with the provisions of this chapter shall be considered as providing a yard or open space for any other structure, and no yard or other open space on a lot shall be considered as providing a yard or open space for a structure on any other lot.

In cases of properties having unusual shapes or having unusual locations or orientations of structures, the Board of Adjustment shall, with respect to all properties involving single-family detached dwellings, and the Planning Board shall, with respect to all other properties, determine and specify the delineation of yards and other bulk measurements which shall thereafter pertain to such properties.