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Report - North Brook Culvert, Heavytree, Exeter. December 2013

Discussion in 'UK Draining Forum' started by Styru, Dec 15, 2013.

  1. Styru

    Styru Admin
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    So, as a rule, the nice people at Ordinance Survey are a pretty reliable bunch of chaps (and chappesses)

    So when I noticed this:


    map_zps5c1aaca7.jpg

    There were only a couple possible explanations, either they had let Kevin the YTS trainee* do the blue lines - and he forgot to join them - or there was something that needed looking at.


    (*Younger readers should ask their mum/dad what YTS was :thumb)

    So, a quick drive to Exeter, and there it was, The North Brook Culvert.

    Running for about 800m it forms part of Exeter's strategic flood planning.

    So, a few pics I think:

    DSC_7067_zpsae6f258b.jpg

    The upstream in-fall.

    DSC_7104_zps1c3e93e0.jpg

    otter_zps96bcbf62.jpg

    Complete with otter footprints, preserved in the concrete...

    The ridge in the center - which you will see continues for some distance, would seem to be a concreted over sewer pipe - as it has vent pipes at regular intervals - although it doesn't seem to be connected to anything.

    DSC_7119_zps16d98d48.jpg

    Running parallel to the culvert, and connected at a few points would seem to be a CSO - it certainly sounded in full flow - but as the rain was coming down big time I decided to leave those for another day

    DSC_7114_zps70bb8b84.jpg

    DSC_7122_zps74627bd2.jpg

    DSC_7130_zps4a96b8a7.jpg

    This dual channel section runs for probably 5 or 600m....

    DSC_7143_zpsb1c074cb.jpg

    DSC_7137_zpsb188624d.jpg

    As do those vent tubes - they stop just short of the roof...

    DSC_7156_zpse8e23843.jpg

    At the end of the dual channel section the flow is joined by another 4 foot concrete pipe, with a moderate flow of water - presumably this also meets the CSO - I followed it about 50m - but got pissed off with stooping.

    DSC_7147_zps2a6ea410.jpg

    At this point the culvert divides into a pair of parallel box section channels, which are joined at regular points by openings..

    DSC_7150_zps16014157.jpg

    Starting at a reasonable, non-stoopy, height - these get lower, and lower, towards the end - with barely 4 feet of headroom as you approach the end.

    And, of course, you can always tell that the end is in sight - when your camera starts to steam up!!

    DSC_7159_zps4e977ee6.jpg

    And out - this channel was not even full side to side when I entered, filling up nicely now - thanks to the rain.

    DSC_7161_zpse19e3304.jpg

    DSC_7170_zps42adbfb2.jpg

    And that's it - a nice little wander for a Sunday - beats washing the car, going to Ikea, or whatever others do on a weekend :)

    Thanks for looking :)​
     

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