How does the performance evaluation tool carry out the water quality performance estimation? Read more about How does the performance evaluation tool carry out the water quality performance estimation?
How does the SuDS performance evaluation tool work and what are its limitations? Read more about How does the SuDS performance evaluation tool work and what are its limitations?
What methods are used in the infiltration volume design tool? Read more about What methods are used in the infiltration volume design tool?
What assumptions does the tool make in treating volume beyond the design storage Read more about What assumptions does the tool make in treating volume beyond the design storage
How should the estimated storage volume be applied to the site drainage system? Read more about How should the estimated storage volume be applied to the site drainage system?
How is the attenuation storage volume estimated? Read more about How is the attenuation storage volume estimated?
What is the runoff coefficient for grass / vegetated area surfaces? Read more about What is the runoff coefficient for grass / vegetated area surfaces?
What is the runoff coefficient for roof and paved surfaces? Read more about What is the runoff coefficient for roof and paved surfaces?
Why are greenfield flow rates used for setting the limit of discharge and why is the default flow rate 3 l/s/ha? Read more about Why are greenfield flow rates used for setting the limit of discharge and why is the default flow rate 3 l/s/ha?