That is what a dummy board is for.
It is not as thick as a frame, so there is space to move it back towards the wall before you lift it up. The bees ignore the small space between it and the wall of the hive.
No rolling of bees
I have used dummy boards…especially when a hive and frames were new. After some use of the hive by the bees…I find the dummy board is no longer required as the frames don’t fit so closely together…even when you clean them up. I haven’t had very much brace comb built on the walls so I stopped using them. Mainly I have found brace comb on top of the frames…I have top bee space in my hives…not enough to be a nuisance. ha ha …the last time the Bee Inspector came she commented on how tidy the hives were…so perhaps my bees don’t make much brace comb anyway.
This coming season will be interesting…using mainly long hives.
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If the bees are building extra comb between/on top of frames they are asking for more room in the brood nest.
Your pics look like a result of trying to use all foundationless frames. I recommend starting with foundation and gradually replacing with foundationless if your desire is to not use foundation.
I don’t bother tidying up, the bees just replace it and you invariably spill honey
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This is the top view of my frames in the bottom box. Would you remove this extra comb even with larva in it?
It’s what I would do. A few more squished larvae is a small price to pay for getting the damaged comb out of the box. Some of the larvae will be damaged already and very attractive to SHB infestation.
The message I’m getting from that bridging comb is your bees may be running out of room. Time perhaps to do a split for swarm control?
Is that an old queen cage or a new one?
New Queen only been in since October. I had three empty frames in the top super but fairly sure I spotted a queen cell in the brood box. @RBK Would this have anything to do with the excessive feeding?
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Remove it and make sure your frames match in both boxes
I would not be destroying that precious cell but removing the frame with the queen cell along with a couple of other brood frames. Then I would start a nuc with them and a couple of frames of honey.
Yes I would. Pretty good chance that they are mostly drones anyway - larvae around the cooler edges of frames usually are. 
The bridging comb may just be due to poor bee space from the botton of the top frames to the bottom box, if they have unrestricted access to the top box I wouldn’t take it as an indication of lack of space. I’ve seen similar when bee space isn’t correctly accounted for around excluders (for example). I definitely agree that it should be cleaned up (placing the top box on its side and scraping the bottom of the frames may also help clean some of it up). If it’s a bee space issue they will likely rebuild it which will lead to fairly tedious ongoing maintenance issue.
@McFoxdale
As to the question about feeding + swarming, it’s hard to say without reading the frames in the bottom box, can you pull some out and take photos? What I’d really be looking for is large areas of worker brood in the center of the frames rather than large areas of capped sugar (white waxy cells) in the center of the frames.
As a more general question if overfeeding can be linked to swarming I’d say yes. I’ve seen cases where overfeeding has reduced the queens laying space due to the sheer amount of sugar they stored. As a result the colony numbers started going backwards… this then weakened the hive to the point that robbers could take hold (attracted to the huge stores of sugar) and the original colony was either killed (although there weren’t too many dead bees in the examples I saw) or they chose to abscond.
Is the queen cell you saw fully formed/capped, or was it just a cup? If it was a cup, did it have an egg in it?
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Maybe my combination of nuplas plastic top box on the standard flow brood box making a larger gap between top of frames and bottom?
Frames and all obviously
Fairly sure the queen cell was fully formed.
I tried my hand at a litttle paintbrushing to show my inspection
Top Nuplas Box
Bottom Box Flow
The colors are just a guide and are not accrute in showing how much is actually present, in saying that the empty frames are completly empty.
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Went back to find that Queen cell, maybe it was a bit of brace comb cause bugger if I could find it ? 
Quite possibly. Never measured up a Nuplas box.
Great pictures of the layout, but seeing that much pollen would lead me to believe the hive may be pollen bound… do the returning bees look like they are pulling in a lot of pollen?
The amount of brood looks good is it all worker? , I assume the white empty frames aren’t drawn? Do they have foundation?
Can you get photos of the queen cell?
-edit-
Good news about the queen cell, I’d just leave them be for a while. With the amount of stored honey/sugar there they shouldn’t need any further feeding.
-edit 2-
What frames are you running in the nuplas box?
They seem to be always bringing in pollen when I’m watching
.[quote=“RBK, post:55, topic:5460”]
I assume the white empty frames aren’t drawn? Do they have foundation?
[/quote]
Yes and yes have foundation.
8 Standard Langthstrom.
Hey and thanks RBK 
I wouldn’t bother with it. I would leave it.
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