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grendel

Tech Team
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Posts posted by grendel

  1. Working on the internals now, pine cladding and insulation  on the wall  behind the  hot tub, workbench nearly done, built for strength  not  looks, the top is 2 layers of 3/4inch plywood. 

    20240206_174409.jpg

    20240206_174418.jpg

    • Like 7
  2. its my theory that the salt incursions are made worse by the water not being able to recede as fast as it comes in,

    tide 1 the salt makes its way upriver.

    tide 1 goes out, the salt recedes to half its incursion

    tide 2, the fresh influx of water pushes the previous salt incursion further into the system

    tide 2 goes out, the salt recedes back to the extent of the initial incursion.

    tide 3 comes in, pushing the salt incursion yet further upstream.

    now if the lower bure was dredged, the salt incursion would come in on tide 1 and recede, then on tide 2 it would get to the same extent as tide 1 and recede, then tide 3 it might get to the extent of tide 1, but by then the salt incursion is probably over, and the salt incursion has got no further than its initial extent.

    now this is just me looking at it logically, but then I wont be the agency having to find the funding to do all the dredging, which I am sure sways their opinions.

    the reason the amount needing dredging is huge is because they havent been doing it, plus by saying that they are acknowledging that there is a problem with the lower bure silting as we have been saying, the extent having been masked somewhat by the rising water levels, because if the water was 5 foot deep and its now 4 foot deep but in the meantime the water level has risen a foot, then that means 2 foot of silt has landed on the bottom of the river.

    • Like 4
  3. 16 minutes ago, JanetAnne said:

    You paid the van insurance, paid HMRC and still had money left for boots? :default_icon_e_surprised:

     

    actually I believe he ended up with a pair of timothy whites:default_coat:

    • Haha 1
  4. I think its funny that they advertise the lack of facilities as a good feature- well I suppose if there are none thats the only way to do it, though to most a lack of facilities would be seen as a disadvantage, not a selling point.

    • Like 2
  5. 1 minute ago, batrabill said:

    That does seem to be the case. However, it is because the fundamentals have changed. Weather and tide. 

    although I do see that as part of the problem, the lack of dredging / silting in the lower Bure does also seem to be a contributory factor, at least that is how I see it, so that is just my personal opinion.

    having run aground once on the lower bure last year a good 30 foot from the bank (well my keel stuck in the mud and took a few seconds of work to free myself), and having seen less than 2 foot under the depth sounder on another occasion mid river and mid tide. anecdotal maybe, but as I personally experienced it, it seems real enough for me.

    • Like 6
  6. Ah, I see- so what they are saying is that the river system can no longer be relied upon to remove the water from their catchment areas and that regular dredging is required to improve the outflow of this water.

    Quote

    Moreover, maintaining and improving the water flow and defences is crucial. This includes ensuring that channels and waterways are kept clear to facilitate smooth water flow. When the sea levels permit drainage, it is imperative that this process is as efficient as possible to maximize the removal of excess water. This requires well-maintained and strategically designed defences that can cope with both the volume and speed of water flow

    at least that is what the quote from the article above seems to indicate to me.

    • Like 3
  7. 22 minutes ago, Vaughan said:

    Taking this suggestion a little further, if you are therefore slowing down the flow of the ebb on the Bure - which is an alluvial river - it will be dropping more of its silt in suspension, especially around the bends in the area of the "Bure hump" and Scaregap farm.

    which will necessitate the resumption of the dredging that used to happen and has stopped under the current management.

    I would encourage anyone who does touch the bottom while midriver in this area to report it to the Broads authority to start generating a pattern that will be impossible to dismiss as a one off occurrence, and hopefully initiate some dredging action.

    • Like 3
  8. On 26/01/2024 at 16:14, marshman said:

    Grendel - presumably your comments equally apply to the underlying issue purporting to be the cause of this flooding!!!:default_coat:

    quite true.

  9. 3 hours ago, marshman said:

    The world these days is just too full of experts and people believing they are right, and everyone else is wrong!

    all the more reason not to accept the anecdotal evidence in the face of the inconsistencies

  10. the only  part I find strange is the use of metric depths everywhere until we get to herring bridge, then all of a sudden the depth is 20 feet was the sudden change in measurement system a deliberate attempt to confuse the issue or a genuine mistake.

    it just struck me as an incongruous way of presenting the data.

    • Like 2
  11. what a change in the weather, I woke up yesterday to 7 degrees and it got into double figures by the end of the day, and by the looks off it is still in double figures this morning.

    • Like 1
  12. there used to be a nice wild mooring just water rail sized on the chet, right on a wide bend, sadly it hasnt been kept clear, theres some nice quay heading at the entrance to rockland dyke (furthest from brundall), but it needs some of the vegetation clearing. I am sure there are more spots you could wild moor, but I have yet to try them. plenty of spots above beccles on the waveney, some dont really have good access to land.

    • Like 1
  13. 17 hours ago, Andrewcook said:

    Easter is in March very early this Year will the Broads be Busy With Hiring  Boat Booking being up? Will there be more Private Boat owners on the Broads. Add to the fact Budget is coming in March will this affect any one going on Holiday on the Norfolk Broads? Such as Tax on Petrol & Diesel may be going up? 

    yes

    • Like 1
  14. my Electric bike  I used to get there was the same, i hadnt charged it and had used it for a few short trips recently, but in the 8 mile round trip it dropped 2 bars, normally i dont see a drop of the top bar for over 20 miles and at most i was at 18 miles, where I could have expected to have seen a drop of 1 bar, but not 2, so the cold was definitely causing a loss of range. If other EV's are experiencing similar range drops in temperatures that could be considered normal winter temperatures, then i worry that they will never cope fully in this and colder countries.

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