If only one (1) RROW services a lot and such is only 4.00 to 5.00 meters wide, a BHL equivalent to 2 ½ storeys (or 7.50 meters maximum) shall be observed regardless of use or occupancy, lot size, lot dimensions, lot frontage and like considerations. If only one (1) RROW services a lot and such is only 3.00 meters wide or less, a BHL equivalent to two (2) storeys (or 6.00 meters maximum) shall be observed regardless of use or occupancy, lot size, lot dimensions, lot frontage and like considerations.