Once the trenches were dug and the pit was excavated the pipes were laid and connected. 100 mm PVC pipe needs to be used as 90 mm  storm water pipe doesn’t meet standards anymore. Plumbers pals were installed as an out let and an inspection point.

Once the pipe work was fully connected and the levels tested I back filled and compacted the soil and laid the turf back in place. Here is a photo to show you the end result.