An overflow on the D Interceptor to the River Medlock, it's penstock was brand new technology at the time which helped keep river water out of the sewers.
Sidedraft is one of the culverts of the Gore Brook, its mostly brick with some concrete thrown in for good measure.
Supercharger takes the Gore Brook through a mainly brick culvert just under a kilometre long.
Big Humpty takes the River Medlock through a short but large egg shaped culvert.
This large brick and stone culvert takes the River Medlock around 600m near Philps park.