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I knew this drain had to be there somewhere. The outlet was a massive twin 3m RCP, but the inlet proved more illusive to
locate. Finally after about 3 years, we met up with Jondoe and Stoop from Sub-Urban and
explored this beauty end to end. It was built in 1974 as a storm drain to protect a frequently flooded area during heavy rain.
A massive 15ft concrete arch pipe was bored for about 3km, diverting the majority of water flow from two streams straight out to the river.
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Fort Knox like security covers the inlet. Shame they forgot to padlock the hatch..... |
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Typical over engineered UK drain! Cool. |
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This small drain entered in the inlet grille room, too stoopy for todays adventure. |
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700m downstream and rounding the corner heralded this amazing secondary inlet chamber. |
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Big stairs lead down from a massive inlet grille. |
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Broadhurst, in a drainy kind of way. |
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Strangely familiar looking inlet grille. |
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Mini waterfall cascades down off the stairs. |
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Another few hundred metres downstream a stinky CSO pollutes the drain. |
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Another cross connection to the parallel running sewer. |
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Big junction. We came from the right, whilst up the left pipe and just round the corner is..... |
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A bizarre plastic flap arrangement, keeping stinky terd smells in the sewer just behind them.
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The same junction, fluoro lights rock! |
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Jondoe strikes a pose right at the outlet split. |
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Fresh air at last. The river down below is very tidal. Lucky that we judged the tides right. |
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I wish I had a fisheye :( |
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Now that's what I call an outlet!! |
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Crap photo, but just look at the tide marks on the walls and ceiling!! |
