We're renovating an Army barracks, with minimal changes to the existing landscaping, which includes turf. The landscaped area exceeds 5% of the site area. There is no permanent irrigation, nor will we add it.

Can we retain the turf and still qualify for Option 2, Path 2? Or must we replace the turf with native/adapted plants? Or do we exclude all the existing landscaping from our 5% minimum area? Can we submit a narrative and site plan without the need for calculations? Thanks.