*''RVC<sub>T</sub>''' is the Runoff volume control target (mm), and
*''RVC<sub>T</sub>''' is the Runoff volume control target (mm), and
* ''A<sub>c</sub>'' is the catchment area (Ha)
* ''A<sub>c</sub>'' is the catchment area (Ha)
−
* 0.095 is the product of a typical runoff coefficient for impermeable surfaces (0.95) and the units correction between m<sup>3</sup> and mm.Ha.}}
+
* 0.095 is the product of a typical runoff coefficient for impermeable surfaces (0.95) and the units correction between m<sup>3</sup> and mm.Ha. (0.1)}}