Hi All need your help!
Its a relatively easy task.
First, some nearly really good news A developer is proposing to restore the 1936 breach above Prestolee Locks at Nob End, Little Lever, Bolton.
Unfortunately the plan is only to restore it for narrow boats, even though the M&BB is a broad waterway, and the new locks in Salford off the Irwell have been created as broad locks :)
I would be good if you could all to write to Bolton Council and object to the restoration plans for the 1936 breach above Prestolee Locks at Nob End Bolton and that the restoration should be to the original gauge of the canal of 14ft 2inches or 4.32m in modern speak.
There are two parts which matter to the canal, first is the new bridge to access the Creams site, this is proposed to have a 2m towpath and a 3m channel. The second part is the restoration of the breach its self, where again only a 3m channel is proposed.
I believe we should object to both, on the grounds it will stop wide beam boats reaching Bury when the restoration is completed.
One can object online at
https://www.planningpa.bolton.gov.uk/online-applications-17/search.do?action=simple&searchType=Application
with the reference no. is 09775/20
Unfortunately they do not make it very simple!!! One has to create a login. Go to the link above, put the reference 09775/20 into the simple search box at the bottom, and click search, this should bring up the Planning » Application Summary page for the ERECTION OF 274 DWELLINGS ON TWO SITES Then click the comments tab, then click login and comment, you have to create a login identity, before you can comment, and that process sends you a verification email - uhhh!
Once you have leapt these hurdles, the site has a timeout, so it is better to create your comment elsewhere and copy and past it in. Oh and you only have 2000 chars to play with! But you can repeat the process if you want more space.
The M&BB Canal Soc think that getting a 3m channel is the best they can get, and want to go with this. I believe otherwise and that we should all push the council, so that Bury is not excluded from getting history wide beams back, because of the short-sightedness of Bolton Council.
The bridge is not a major problem as the designed can be modified I believe with a floating/removable towpath which can be pulled out of the way to allow wide beam boats to get through it, and on to Bury. This should enable the developer to not have to build a huge spanning bridge over the canal, which would cost significantly more, I'm guessing.
The bridge design can be modified so that it does not have a towpath, it would be cheaper to build for the developer and either the developer could provide or C&RT or the M&BB Canal Soc could raise the money for a floating towpath, as the final solution. In the mean time access could be via paths going up to the road from either side., which should be provided so that the local residents have easy access to the canal.
The floating towpath could be constructed of standard narrow canal boat hulls in principle with support legs, a walking deck and hand rails, giving an approximate 2m width of path through the bridge. By definition two narrowboats will fit through a 5m gap!
The termination of the towpath at the bridge abutments would have to be redesigned so that it links to the floating towpath.
Please see the Rochdale Canal passage under the M62 at Castleton, for an example of how this can be done.
The length through the breach can also be re-organized by doing two straight sections of 4.32m min width we really can keep it that tight, and why not? That is what the locks are. This is only another 4ft 8inches on the currently proposed 2.92m channel. Then at the intersection of the two straight lengths a rotating area can be provided which would allow full length maximum beam boats to realign for the other straight section and then carry on. They would not be able to simply sail through, but would need to be guided through as at locks, but they would get through, a slight increase of another 100mm would help but is not totally necessary.
please see brown markup on attached plan.
The realignment area can either be at the front (towpath side) or at the back away from the towpath. I personally think at the towpath side is best and a curve can be used. The architects would need to do the detail but its not far away from what is being proposed.
They could gain some of this extra 1.4m by pushing the northern wall back into the bank a little further. By totally removing the old offside wall. They could also shrink the towpath a bit and make the apron that supports it slightly wider, and hey presto we are there.
The area for the twist to realign the boat will be at the back of the breach area and so would not cause significant addition loading on the land slip area, and would need to be approximately another 3.3m wide at the apex of the two offside lines, I calculate.
It is easy to fix and not that much more expensive.
It may also be possible for volunteer labour to help. please see the Granthan canal and the Lichfield canal restorations, I for one would be keen to help.
Its not ideal, however it would work. It means that the costs are not running out of hand, and it's a workable solution for the developer.
Below I have added an image showing roughly how I think a 4.32m channel could be achieved through the breach area, shown in brown.