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Archived Report - Bombay Mix, Bradford - 2011/12.

Discussion in 'UK Draining Forum' started by Ojay, Jun 29, 2016.

  1. Ojay

    Ojay Admin
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    Bombay Mix, Bradford
    Bombay Mix is a series of off-line chambers used to screen the spill flow from a group of CSO's and utilising existing capacity within the sewer network

    In conclusion, Eastbrook isn't a million miles away from an actual sewer itself, just don't mention it to the environment agency as I'm sure they would have a field day here!


    I first went for a stroll here with Thompski a few years back, the air quality was dubious so we didn't venture too far

    On a re-visit to Bowling Beck, I debated having another look in, except my 4 gas had expired and I imagined suicidal without

    Also LittleMike mentioned a close encounter with chlorine gas and his throat burning and having to escape the system via a manhole

    @Squirrell 911 and myself rocked up late one winter evening, the night watchman popped out just at the right time, however showing little interest..

    As soon as his smoke break expired and pissed off back in, we popped the lid and dropped into a small brick chamber so we could see what we were up against

    [​IMG]

    Once inside, some rather questionable fumage coming from a 2ft side pipe which joins at the bottom of the drop-shaft

    Squiz climbed down into the culvert (Eastbrook) come sewer overflow

    We agreed he would go no further than a few metres downstream for a looksie whilst I kept an eye on things from within the confines of the manhole

    Within minutes, something changed, the air quality suddenly worsened and we weren't for taking any chances so I shouted Squiz back and we bailed

    It was a good 12 months later before we returned here, this time we managed to locate a lid further downstream for a safer entry (or so we thought at the time)..

    Here the Eastbrook is culverted through largely a 5ft RCP through the mid section, upstream is stoopy brick and shrunk to under 3ft as we hit the upstream limit

    A number of follow up visits were made to a larger area in an attempt to see what we could of it, including the 'off-line' CSO's which serve the Eastern drainage

    In total we located 5 CSO's/powered screening chambers on this system

    Some serious effort went into this lot, numerous visits/blockading a number of carriageways for a look in was never going to be easy

    I'll count them down...


    CSO No.5

    We first looked at this over a year ago now, there was a large gathering at the nearby curry house, and all but 1 of the lids were parked over by a fleet of Nissans :rolleyes:

    Squiz lifted a lid in the road which provided access to the motors which power the machinery only, so we slammed it shut and went home

    In the end I talked us both into heading back at a quieter time, barrier up and dropping in

    [​IMG]

    Bit repetitive, as all 5 powered screening chambers are almost identical on this system

    20ft Archimedes shit-scraper sat aside the Eastern interceptor used to filter solids when at capacity, I might as well copy & paste that for the rest of them..

    [​IMG]

    For some strange reason with this one, the sewer stops short of the overflow chamber and continues through a small diameter MP,

    [​IMG]

    (In the above pic ^ you can see the overflow far right corner, next to the rungs)

    Any discharge when at capacity heads down into Eastbrook which is a good 50m away down this crawler of a brick pipe

    Dem be furry turds right there

    [​IMG]


    CSO No.4

    This one was a real P.I.T.A, as a multiple [Siezed] lid array afforded us no easy access to anything useful initially

    Squiz really put his back out on this one, and despite having cajoled him to return a number of times here, I could always sense the Meh

    It must of took us 4 or 5 visits to shift some of the 18 lids here alone, which provide varying access to the CSO/sewer network below

    Every single one of them were siezed solid, compressed by heavy traffic over the years, however brute force prevailed and nothing that a tickle with a 5ft scaff bar couldn't sort

    The first useful lid we budged only served as access to the motors which power the machinery, climbing down wasn't really an option so we slammed it shut

    [​IMG]

    Another trip, another lid, sadly this only provided access to a smaller sewer that merged slightly upstream of the main trunk, still it was progress

    [​IMG]

    Once again we ran out of time, but I realised the lid we required was slap bang in the middle of this ghetto drag strip

    A month or so later, I persuaded Squiz to make one last trip here as I would never have been happy unless we'd nailed all 5!

    Luck was in, and our lid of choice opened and lifted with ease, barriers deployed and Squiz as wingman, I shot down in the middle of the traffic

    (Apologies for the pic quality as the lens was misting fast and wasn't wanting to hang about)

    Screening Chamber

    [​IMG]

    [​IMG]


    Eastern trunk

    (As it exits the 6ft RCP below)

    [​IMG]

    Overflow

    A stoop down a 4ft RCP reveals the connection to Eastbrook via a bodged job into the 3ft brick pipe

    [​IMG]


    CSO No.3

    This was fucking horrible, it reminded me of the Minger in Manchester but with added ming (and arse fudge), for once, I had to question what the actual fuck I was doing here

    Sewers usually run green right ? the fuq was that brown and red stuff all about then, and it stunk to high heaven!

    Didn't whiff of chemicals either, but the aroma was one I've not sampled before, I can only liken it to rotting flesh

    Halal-tastic

    [​IMG]

    With the lens fast misting up, I was covered in sewer spaff, one last pic and time to GTFO

    [​IMG]

    Squiz wouldn't let me back in the car with the jacket either..

    [​IMG]

    CSO No.2

    This was the initial CSO we managed by stooping endlessly below ground one summer evening

    Here another powered screen filters out any solids that may have escaped the other 3 trunk sewers much further upstream

    [​IMG]

    A 4ft stoopy RBP serves as an overflow which back-connects to Eastbrook - (See confluence pic below)

    [​IMG]

    The original overflow and sewer setup From CSO No.2 has since been intersected/diverted further d/s (circa 2002) to include a huge off-line detention tank

    [​IMG]

    Crawling up the smaller brick spur as seen in the 'Confluence' pic below, gives way to a newer stretch of RCP which now serves any spill flows from the giant shit-tank that was installed in 2002

    It's full to the brim as seen here and is prob a good 20-30m in depth

    I took a quick handheld special whilst Squiz assisted with lighting it up, doing my best to catch a glimmer of soup of the day

    [​IMG]
     

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  2. Ojay

    Ojay Admin
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    CONFLUENCE

    A 3-way brick junction is part of the Eastbrook/Overflow which serves CSO No.2 and upwards

    [​IMG]

    Further down, the pipe extends to a modest 7ft

    On trip No.1 down here, in an attempt to check out CSO No.1 further d/s we encountered some strange chemical based fumage, which filled the pipe all of a sudden

    I'd inadvertently left the 4 gas at home and had no idea what we could be potentially dealing with

    Suffice to say it was a given we legged it back to the "split square in the grass" and out!

    ~~

    Far from happy with all that stooping and potential to go wrong

    And also knowing there was possibly no way out to safety for at least 500m of unknown pipe diameter we located another safe lid and returned a week later to budge it

    Due to all manner of excuses, it was almost 12 months before we managed to get back to this one and head downstream

    As luck would have it the first 300m or so is a mixture of 6/7ft Brick > Stone > Brick as it snakes about underneath the City centre - WIN!

    The last 200m or so is a stoopy, festering brick/concrete box which really is a means to and end, and so no pics as I'd simply lost the will to live by that point


    Here a 4ft side pipe leads to No.1 CSO

    (The ladder-less manhole is situated right outside the Job Centre) :rolleyes:

    [​IMG]

    Once inside the usual Archimedes screw set-up which was becoming a fairly common sight here

    [​IMG]

    I sent Squiz over into the incoming sewer to play lighting bitch and also to report back what all the racket was upstream

    It was far too noisy to make any sense of what he was saying

    Having picked out the words "Brick" & "Egg" I quickly made my way sewer side..


    At the business side of things, the upstream sewer enters via a 4ft Egg, inverts via a concrete weir ahead of the CSO through a 6ft RCP

    [​IMG]

    [​IMG]

    This was pretty typical with the Eastern Outfall sewer

    The only real glimpse was to drop into a CSO or locate the odd lid that wasn't in a major carriageway like we rarely managed to do

    [​IMG]

    Sprayed with fresh trying to grab a pic of the invert I was keen to get back to the CSO

    When I returned, Squiz was amusing himself with a "worm party".. Don't ask!

    I'm not sure what the outcome of the race was, but one of the worms was shitting everywhere and making a right mess

    Calling it a day, I lobbed the bath plug into the fresh and headed back into Eastbrook to head downstream..

    A 7ft Stone Arch is the choice of construction here, looks quite old, which comes as no surprise as it heads under some rather age old buildings and highway

    [​IMG]

    Along the way a pikey sewer connection from a premier Hotel chain was somehow spilling it's steamy load into the Brook, someone ought to report this..

    [​IMG]

    Squiz found much amusement in dislodging a large collection of logs whilst taking this pic, which then proceeded to chase us both downstream

    I managed to escape the :turd by legging it up a 3ft side pipe


    Here, a smaller watercourse again of stone construction which had a fair old incline on it before it's connection with Eastbrook

    [​IMG]

    At the top of the incline it was a short crawl through RCP as Squiz followed behind me

    This led to a somewhat confined inspection chamber, with the remainder of the watercourse continuing upstream via a much smaller 2ft RCP

    Here, a quick snap taken by Squiz himself on his Galaxy (iphone wish it were)

    [​IMG]

    As we continued back downstream through the stone tunnel, it was slippery as hell underfoot, caked with p00p the situation wasn't made any easier

    Isn't this supposed to be a surface water drain ?

    Eventually, the age old stone tunnel gave way to an 8ft brick arch as we approached this sizeable junction/weir chamber

    [​IMG]

    Squiz shot up the side entry drop-shaft to poke some drain bunting through the lid, with the hope of later locating it above ground in order to further plot the route..

    Having dicked about much later on above ground, we were about to give up when I spotted it

    Perhaps just as well we didn't lift it from below as it was located in a fairly busy carriageway and I reckon off with heads if we had bothered :eek:


    Beyond the weir, the watercourse splits and winds itself underneath the City centre through a sizeable brick-box split initially

    I say initially, as around 50m in it gets very stoopy and the festering shite below is about knee deep through the rest of it, we certainly didn't plan on heading back this way!

    [​IMG]


    Eventually Bombay Mix (Eastbrook) outfalls into Macro (Bradford Beck)

    Here an older pic from nearly 5 years ago from one of the many trips under Brapford

    [​IMG]

    In the end patience paid off and despite being nothing epic, was rather proud of what we both achieved with this lot

    Everything connected to this system was grim as, I certainly would not ever, EVER consider heading back in any of it!
    ENDS.
     
  3. stranton

    stranton subterranean explorer
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    that's very nice as always,
    are there any drains you haven't done yet?

    shame about your last comment, I was gonna invite you along for a return visit.:p
     
    #3 stranton, Jun 29, 2016
    Last edited: Jun 29, 2016
  4. tweek

    tweek Huddersfield Tourist Information Board
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    Pics aren't showing for me. Quite a long read that.
     
  5. Snake Oil

    Snake Oil go in drains
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  6. Bunk3r

    Bunk3r 28DL Memb3r
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    When you return to Bradford I would give Bombay Mix a miss, it is known for sketchy air quality.
     
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  7. Yorrick

    Yorrick 28DL Regular User
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    Cracking stuff as per.

    It's not when the pics are showing :p
     
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  8. pastybarm

    pastybarm Where ya going city boyyyy!!!!!
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    Wast th' hot towel included, and complimentary baileys at t'end?
     
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  9. tweek

    tweek Huddersfield Tourist Information Board
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    Well covered. Some interesting bits!
     
  10. KM_Punk

    KM_Punk Muppet
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    Quality stuff as always. Thoroughly enjoyed reading this :thumb



    I have to admit, a little bit of wee sneaked out when this came onto my computer screen :oops:

    Again cracking stuff :thumb
     
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