For enlargements, the City Planning Commission may authorize modifications or waivers of the maneuverability and curb cut standards of Section 36-58, and the landscaping requirements of Section 37-90 (PARKING LOTS), inclusive, for portions of the zoning lot occupied by existing open parking areas, provided the Commission finds that:

(a)        maneuverability and curb cut regulations have been complied with to the maximum extent practicable;

(b)        the amount of perimeter landscaped areas have been provided to the maximum extent practicable;

(c)        the amount of interior planting islands and their distribution throughout the existing open parking area have been provided to the maximum extent practicable; and

(d)        perimeter landscaped areas and interior planting islands have been engineered to absorb storm water runoff to the maximum extent practicable.

The Commission may request reports from licensed engineers and landscaped architects in considering such modifications.