Can we obtain this credit for a site that already has natural drainage systems surrounding it, i.e. outside the site boundary?

The water that falls on the site is taken care of in a...

Sorry, might be a stupid question:
in our case the pre-development is a demolished building complex.
Do we calculate the post-development against the previous development or the...

Hello
I am working on a project in the UK and we are struggling to get the 1 year 24 hours rainfall. I have been told by the Environmental Agency in the UK that the software used by the...

We have a tall office building that has a cistern for...

Hello,

We are pursing Option 2 for this project. Our stream channel protection will handle a 10 year storm event. How does the credit handle excessive storms, 50 or 100 year events? Or are...

Hi Everyone,

A project I'm working on is factory on a rural setting. All roads and parking lots are gravel. Does this account as pervious paving? I'm certain it should, and it should...

The way that we have calculated run-off volume is to calculate a weighted average run-off coefficient, as you would for the...

Hi, We are willing to use an innovative type of green roof that's based on compacted plastic waste board and textile (1,3cms thickness + textile). This substrate replaces the need of soil....

Hi,

In simple terms, is there a difference between 'discharge rate' and 'run off'? We are currently assessing our site to determine which case and path to follow. Discharge rate is the...

Hello, We have a project in Sri Lanka where we try to attempt this credit via percentile rainfall event option. However we find difficulty of getting continuous 30 year rainfall data. There are...