After the zoning change has been made and the final development plan has been approved and when, in the course of carrying out this plan, adjustments or rearrangements of buildings, parking area, entrances, heights or open spaces are requested by the proponents and such requests conform to the standards established by the approved final development plan for area to be covered by buildings, parking spaces, entrances, height, setback and other requirements, such adjustments may be approved by the Planning Officer pursuant to the final development plan considerations.