Line 42:
Line 42:
| 200 mm diameter pipe
| 200 mm diameter pipe
| Not applicable
| Not applicable
−
| 0.4 for clear stone aggregate surrounding the pipe
+
| 0.4 for clear stone aggregate in which the pipe is embedded
|-
|-
| Storage reservoir (''d<sub>r</sub>'')
| Storage reservoir (''d<sub>r</sub>'')