This little culvert in Middleton is a baby at 20m in length, once inside it opens to standing height.

Halfway down a small brick watercourse joins in, as does a 2ft sewer overflow. I could see daylight a few meters up so headed up.

The chamber had a large number of manholes, giving almost enough light for a natural daylight shot. The incoming sewer itself was 3ft RCP and 1ft going out.

The lids were pretty locked down to stop those unwilling to crawl.

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