Dear Concern:-

we are working in a major renovation project so it is difficult to manage the runoff however we are reduce the runoff volume compared to     pre-development  by GI & LID 

we have following queries all about option - 2

1.The runoff after renovation can not increase compare with runoff before renovation, is it enough to get this credit (Landscape area increased so runoff in post development reduce by 3% compare with pre development)

2.It is already have maximum landscape, GI & LID techniques so it is difficult to manage the entire runoff

3.is it correct way to compare pre-development and post development for achieve this credit