Oh NO! The Japanese Spider Hole is FLOODED!!! (can I save it?) - Emergency Measures
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- čas přidán 5. 05. 2023
- The Japanese Spider Hole is flooded out, and I need to make some emergency repairs to make sure the entire thing doesn't completely collapse.
Japaneses Spider Hole Playlist:
• Digging a Secret Under...
I build an authentic Japanese military spider fox hole with just a few basic tools including a small army shovel, some metal buckets, and some rough saw timbers to help create a safe place to sleep overnight in case of impending war.
A spider hole is mirrors the hole created by a trapdoor spider who will tunnel and then cover the top of the door to conceal itself.
A spider hole is usually shoulder-deep, and round, protective enough to camouflaged lid a solder from attack. A soldier will be able to stand upright and then fire a weapon without being overly exposed. A spider hole is different than a foxhole in that a foxhole is usually deeper and designed to hide or conceal a fighter.
A spider hole is usually hastily dug, whereas a foxhole is done with more care.
Spider holes were used during World War II by Japanese. Saddam Hussein during the Iraq war was captured hiding in a spider hole.
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"Self-Reliance" is an 1841 essay written by American transcendentalist philosopher and essayist Ralph Waldo Emerson. It contains the most thorough statement of one of Emerson's recurrent themes: the need for each individual to avoid conformity and false consistency, and follow his own instincts and ideas. This channel will approach self reliance from a modern perspective. and will focus on various build projects using modern amenities, and tools to build a completely self reliant lifestyle.
Many people ask me where I am from and where I film my projects. I am from Northern Ontario, Canada, and live in an area where off-grinding is easy because I have lots of land to build on and experiment with different buildings and materials. Everything I do is to try to be more self reliant, and to depend less on others. But that doesn't mean I don't like working together with other people on projects. Knowing people who have skills is part of being self reliant, and trading skills is a great way to get more things done! - Zábava
*Japanese Spider Hole Playlist:* czcams.com/play/PLwj3sDjjGtJqbGwt3fD5AghrGvPM9EUbE.html
It looks like a good opportunity to expand the size of it part of the diggings done just add another room from where the wall collapsed.
Perhaps you should’ve built it by excavating the site first and then just build the roof over it.
Modern Self Reliance. Hey kevin what is the link to the laser cnc machine that you have
Why you left your TV in there is beyond me
I would say rebuild it, using the original as a base and taking the advice of commenters. Maybe you could take the place that's blown out and expand there?
If it's ground water, you're fighting a losing battle, it will flood no matter what you do. If it's surface runoff, a lid will keep it out, but all the surrounding saturated ground will leak inside.
You'd need to build a water tight box, but then it might just pop out the ground, floating on the water coming in.
In which case just need to get below displacement. Lead lined box!
re designing and expanding the hole to include a sump pump and proper drainage to release the water pressure outward/away and not into the hole and thus upward... seen a lot of basements with similar problems and fiberglass pools that "popped out" of the ground...he's got seasonal water table fluctuations which is fairly common ... in canada, you can build wood walled basements in some areas where the soil is mostly sand and they'll last for the life of the house... installing anchors for the basement walls would be a good idea as well ...
Wouldn't a Tarp help keep out the water?
@@ChocolateSyrupOverdose the water is coming from underneath the hole... water follows the "path of least resistance" even if that direction is up... he needs to build a larger hole with proper drainage around and under the "box" and then connect a drain pipe away from the box for the water to escape through to another area... houses with basements all have this type of drainage system, it's usually a building code requirement and if he still has a water problem then installing a small sub (mersible) pump in a water catch will solve the issue...
Never would have thought about the buoyancy. Smart.
I wouldn’t go in later without breathing protection, it’ll be a mold hole. Be careful. Salvage wood and head to higher ground?💛
Agreed. I was thinking mould, PLUS bacteria, PLUS who knows what else in that foamy murky mud and water.
i think he went in soon after the rainfall that led to the flooding, mold takes a while to grow and start fruiting, i think he will be fine.
Kevin, sink a 10” perforated pipe to below floor level outside of your spider hole on high side and cap the same! This will be for sump pump to be inserted when needed to remove groundwater so as to avoid pressure on outside of walls…. Check this pipe as needed and drop pump in and keep water below spider hole floor.. your welcome
I hope he sees this comment🎉
Digging it out from the top would seem to be far easier, then you can add a floor. I think a cement floor that you can sink the corner and side posts into would be beneficial. Hope the battery packs can support a dehumidifier! Then a permanently installed solar powered pump at the bottom. Love this project and I'm really happy you aren't giving up on it.
where's the fun in that, then he's just making a basement.
Your goal for making a authentic spider hole is complete. Depending on cost and engineering, a cement wall to hold back water and provide support might be a good idea.
A REBAR REINFORCED, water-resistant concrete wall might be necessary.
With drainage to make the water pass around the wall. A reinforced concrete wall is still susceptible to the forces of mud and water if you don't lay agricultural drainage pipe to carry the water away from the back of it
How about some kind of drainage system outside of the surrounding walls?
Water drain into the ground always, i think you have to take in consideration what type of ground you have thats an important factor, maybe im wrong.
Or just scrap the whole idea and move on.
I think the idea and you following through with it was already successful and served it's purpose. Either fill the hole back up and abandon it or use the good, supported half of it for some type of tool or food storage. I think this is R.I.P. spider hole. I know your resolve is unbreakable and you COULD fix it... But I'm not sure if it's worth your time.
Onwards to better and brighter projects!
Not only that but the heavy gas build up for something like this makes this feature already extremely dangerous . It needs to be abandon and sealed. especially with him and his brother having kids who might wander into it one day.
@@Penguinishy what sort of gas?
@@ItsAllG00d Naturally occurring heavy gasses, such as carbon monoxide, hydrogen sulfide, methane, and carbon dioxide to name a few. Usually already mixed up in the air in smaller PPM. Because they are heavier gases they tend to sink towards the ground, they often will collect into holes and basins with little to no air flow and because they are so heavy they then begin to concentrate in these areas over time increasing the PPM of said gas in that area which in seconds can be absolutely fatal. Thats why these underground shelters are okay for their initial use, but give it a few months a year or sometimes more, with out a proper ventilation and gas removal set up then you got yourself an incredibly dangerous hole. Youll see miners often had to deal with the dangers of this in the old days as well, its not something new just more forgotten. Kevins spider hole shelter is super cool but it lacks the systems to be safe long term. All it takes is seconds if enough heavy gasses accumulated in it. And its even worse because small children or animals are closer to the ground where its even more concentrated in the holes.
@@ItsAllG00d Radon for one.
@@jjudy5869 Doesn't that depend on your geographical location?
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It's hard to tell for sure, but I think the only reason the water didn't get even higher than it was is that it drained through the emergency exit. If you want to salvage it, I think it would be best to dig out the entire area, and build it like a cabin and fully waterproof it, and then backfill over it. My personal opinion is that you should take what you've learned, and start a new project that is just called a bunker since you've expanded pretty far from the scope of a spider hole anyway, and maybe see if you have a sport that is slightly higher elevation.
Sadly it seems your cool spider hole is turning into more of a traditional dugout. I don’t know how flat your land is but building the spider hole on a hill might have helped 😂
Keep up the good work!
Finaly you added the underground secret pool. Was about time.
Kevin if you have clay soil and the winter snow has extrem melt off with flooding rains and more melt off the wood will pull apart like it did the weight of water is adding 8 pounds per gallon and that multiply by thousands of gallons of storm water run off ! The run off storm water seeks the lowest level and if it’s heavy clay mixed slush it swells up making the wood push apart. That’s the problem you never poured the concrete to finished the bottom walls.
make a big hole nearby to get the watertable to fill, which will reduce the water table level everywhere else.
(this is how Florida was made habitable)
also make floors slightly elevated above the ground to allow water to not soak the floor
soon as you went in and saw the wall blown out, it looked to me as if that was an invitation to expand the spider hole living quarters. lemons into lemonade.
Vietnam is extremely humid and very, very wet during. monsoon season. Their rat tunnels where built not in a square shape going further back but all the tunnels where clay that had been harden most were dug smoothed the edges out going in to a semi triangular shape just with the top being narrow and the floor bottom 3 to 4 feet wide. At times when building after all the side had been smoothed they would light a small fire to harden the clay, or dry, almost as if you put it in a kiln. Added protection. You have to remember so many of these tunnels were built by many at one time and though many years. If you ever built another one do the tunnels in a arch shape make sure the clay is smoothed out. Even once you dig make sure the floors are packed tight and flat. Take in some bisquen put a floor down. The run the thick plastic up the sides of the walls and the shore them up. The one beam against that long wall wasn't enough. The board going up the wall should have been longer and the bracing closer together to reinforce the long wall. Wall panels should have been single pieces of wood if not cut the at a 45 degree angle 5hen they can be placed back together with some force. Maybe think about doing tongue and groove joints. They've worked for years. Vietnamese used joints. Just their tunnels were strong, take bombs landing on them. Some would have cave ins but for the most part they had a music school down in the tunnels and room system. They had schools, cooked down there running their steam from cooking up inside a hollow tree with in the jungle or under a Bush so it all blended into the fog. They had hospitals. Ammo, guns, water supplies. Lots of rice and grain, dried fish. Do some research on the vietnamese tunnel systems. I do know what I'm talking about.
Dig out the blow out section from the surface. Whether you decide to rebuild the wall in the same place, or what I would suggest, is to expand out that living space to allow for more than one person to be able to stay there at any given time.
The floor idea is a must. Maybe digging down a little deeper than you have it right now, extending your pillars much deeper and possibly add in even more pillars as added support, and putting a layer of gravel between the dirt and the walls/floor can help with the water going around your dwelling. Maybe, if your budget allows for it, you could consider adding cinder blocks around the outside of the walls, possibly even rebar and concreted to ensure undeniable strength for years to come.
I think you should start just filling it in to make it safe keep the photos and the memories and the videos. well done my man It was a fun project and I enjoyed watching you doing it but you shouldn't put yourself in danger and that's what you're doing with all that wet Ground.😮
Boring
Laaaaaaame
It's entirely compromised... I can tell Kevin is no engineer. Danger Kevin Danger 😂😂😂
One of the other channels I watch usually wraps the entire cabin in a tarp. If you dig down on the outside of each wall and added a waterproof barrier to the walls and ceiling it would help, then maybe a sloped drainage pipe under the floor might be better than having to run a pump? Although it would mean a lot more digging 😂
Which channel is that?
I use to work in the Coal mines we use to have very loud noises that was created by pressure bumps that would be so strong that they would snap large posts into. Sounds like that is what your experienced on a minor level. I would use metal flashing and attach it to you wooden box to keep water from going into the entrance. And definitely, would fix all that from the Top of the ground not inside the underground shelter. If you can install a floor that will prevent that walls from crashing in on ya. Then install a huge sub pump below the floor surface that's what I have in my basement to prevent water intrusion and it works well.
Bring in the backhoe and dig a real drainage system for the spider hole. Add more verticle and horizontal bracing to the walls to resist hydrostatic pressure. As a true survival option, the whole installation needs to be sited upslope from the water table.
That was the wall you had the vent to the top in. Thr rain flowed down that area, filled that wall with moisture and broke through. Your vent was the cause of the water intrusion.
I'm pretty sure you are correct.
What that sound is saying is Don is smarter for not going in .LOL
Wait for it to dry out a little, and then....EXPAND!!! Make the room bigger :) Concrete the outer wall, wood on the inside...then put a sump pump and have it pump out of the emergency exit! Let me know if you want help, I might be available by the time things dry out :)
Maybe collab with Colin furze?
dig a hole straight down and over to the edge of the hill for a drain and put down wood floorboards. Done.
Below ground, it is always doomed to flood soober or later..build on higher ground and even thrn, its chancy below ground
@@benives254 you mean dig a tunnel under the property? 😛
@@benives254that would be a was of time for Colin you do know he lives in the uk not the us
It's a mini Oak Island money pit.
LoL
Im really impressed how well u handled that situation. I would feel so angry and sad and really overwhelmed and probly just leave it to rot lol. Ur positive attitude is really motivating and inspiring! I hope I can be more like you one day.
This video made me very nervous for you! Soon enough all of us will be spending plenty of time underground.
SUGGESTION: Once corrected... pull back the forest duff and create a dome of soil above & beyond the entire outline of the underground structure to help divert surface rain away, then replace the duff. The surface roots will penetrate the new soil and claim the new mound as its own, providing permanence to the dome.
This is good thinking. Anytime you can get nature to do some of the work for you, it's a big win
Brilliant idea
"not for people who are claustrophobic" i feel like that could be the tag line for this whole series.
Oh man, that's a bummer. That spider hole is such a cool project.
as other people have said, a bit of a higher ground would help.
another thing i would add is maybe more of a hexagon/pentagon/whatevergon shaped room, would prove more stable, anchoring the corner posts a lot better would minimize risk even more
I'm not an engineer or a carpenter so i don't have a solution on that. So glad to hear Kevin that you will improve and continue that project.
This episode featured some great sayings involving water
I’m so sorry to see all that hard work go down the drain. I have faith in you that you will fix it up even better than before. Thanks for sharing 😊
"Going down the drain" XD
@@Spunney FR!
Now he knows how the Vietnamese felt
@@sybrenkruijf8570 good point
@@sybrenkruijf8570 Vietnamese didn’t have that problem from properties in their soil with high levels of iron and clay when mixed is like a cement binding agent, so the water couldn’t permeate through
this may be one of those times it is just best to bury you mistakes and move on and count it to experience !!
Oh man! That kinda sucks Kev! But - now you get to improve it and you’ve learned some things! You will sort it out no problem 👍👍
Now it's time to dig with your tractor. Dig in from the side with the front bucket. I know it will do it. I've dug bigger, deeper holes with my brothers' BX25. Build a cabin (log cabin), bigger & easier access once you're through the main tiny door. Put in drain tile & a sump hole. This time, make the exit culvert easier to load yourself onto the cart. Maybe extent the the tracks into the cabin about 7'. Ha ha ha - Make the top bunk bed actually an ejection bed.
I don't know how I missed this video. Im sad it flooded. I thought the spider hole was epic. I really hope you can fix it
I’m currently watching this 11pm and this video can be made into a horror film 🤣
Wow a lot of rain at once. Can't wait to see how you fix it. I know you can rebuild her. Have a great day.
Nooooo not the spider hole! Glad you showed us that it flooded makes for an interesting video. That is an absurd amount of damage never would have guessed it would blow the walls out
Adapt and overcome . You got this brother
Good luck buddy. Stay safe when you go back in there.
Congratulations, you made a sinkhole!
Just when we think it will never rain again, it pours. We enjoy your vids! My hat is also my pencil holder.
From Alberta.
Hello from Minnesota USA! Great episode.
Kevin, unless you have a way to continually drain the water out it may be best to salvage the items stored down there, and abandon this project until dry weather returns. The caved in wall may become a candidate for another exit.
Your life and Don’s are too valuable to risk with the possibility of being trapped inside. A cubic foot of water is about 60 pounds; remember this when calculating the weight on the walls and their footings.
The mold will be deadly unless you have a way to dry everything out. Perhaps you could convert this into a mushroom farm.
For your own safety as well as Don and other visitors I suggest that you secure the entrances shut and focus on finishing other projects. PLEASE STAY SAFE OUT THERE.
need a battery operated sump pump with solar panel. one like a solar pond pump might work as a base then add a battery and a water level switch...add the floor but maintain a french drain like groove around the perimeter that leads to a sump hole. this is just like a concrete basement has to deal with but you built with wood... it may stay wet for years on the other side of the boards and only dry out in the sump during periods of drought or deep winter cold...
One thing that would help ground water , would be a clay blanket on the surface , far surpassing the spider hole . This would stop saturation from rain in that area , making for alot more dirt that can absorb water before the area is saturated by surrounding ground water . Water follows the path of least resistance (whats already wet) in theory this might provide security for extreme rain like this.
I think you’ll need to crib out your entrance like you did in the main room. Also dig the main entrance hole deeper so any water will settle in the entrance “sump”.
Really cool tunnel and bunker!
Guess we know what that cracking sound was! Damn glad you weren't in there when it blew out. Stay safe man!
The water probably shouldn’t have been drained to equalize the pressure from the outside. Bad situation bud. Good luck and be safe.
Looks like the spider hole is gonna get an expansion
Dig an expansion through the broken wall, with a ceiling then put all the dirt on top.
Looks like a good place for a cabin over the hole and tarp out 10 feet around the cabin with a sump pump in the hole and air shafts with a solar fan to keep air circulation going.
Just so you know, pumping out the water like you did likely contributed to that wall busting open. The water inside the box helps to equalize the pressure that's acting on the outside of the box. By pumping out water you increase the pressure difference between the inside and outside, and put the walls under more strain. You should have braced first, then pumped.
Yep, thought this would happen!
1st: you rock and I love your videos
2nd: I AM claustrophobic and cannot hang with this video! Good luck!
If your going to dig from the outside to reinstate the collapsed wall, you may as well make it bigger! Like the idea of a wooden floor which will also brace the structure, maybe dig the sump deeper with a false floor and have a solar pump with a float switch to activate it
Only 5 minutes in but my guess is that it is ground water, but ground water that is raised by your excess of rain. Maybe a lost cause but a bilge pump and a heater might save you in in future torrents. Or cut to the chase an install a bilge pump and dehumidifier.
Your side post failed because it has more force on it than the corner posts. The corner posts have forces from just as much wall, but because the forces are 90 degrees away from each other the net force is less. Not only that, but as the corner posts shift, the ends of the horizontal boards push against each other. If you rebuild that wall probably your best bet is to brace the vertical timbers from side to side along the floor so the bottoms can't slide inwards. When the ground turns to mud like that you can have several tons of force pushing inwards, but you probably already know this.
One thing that I think would be neat is do some mathy stuff and turn your shelter into an octagon with one board length (4 ft?) per side. Your cuts would be at funny angles but a similar situation with the mud would distribute the forces around the whole structure and be quite strong. Since you're digging one side out already you'd be partway there! Of course I'm not the one digging, but to quote Lord Farquad from Shrek, it's a price I'm willing to pay! :)
Spider hole is fun but is it worth dying over? Rebuilding in the same spot doesn't make sense. The time spent repairing would be better used building spider hole version 2.0
I agree.
So, a wall caved in. On the bright side... nature just gave you a nudge to build-out an extension. Build a room in the direction of the cave-in. That is the only area affected by the cave-in. Everything else is still good. That would give you more room, would be less digging and would allow you to shore up your framing.
Great video. Thank you for sharing.
12:40 "Clearly, my shaft is falling apart.." lol
Great video
I think salvage what you can out of it. Fill the hole in having worked in civil construction for 20 years without a lot of external excavation and drainage points it will be very hard to contain it in future events.
Watching this video, I'm so curious how the Vietnamese dealt with their rain and having all kinds of underground tunnels and bunker rooms. Plus they had soooo much more rain each year. How did they deal with that problem and it would have been a major problem.
Great point, I imagine the Vietnamese made incredible use of bamboo piping system!
@@duwomaiishgabrielle9498 Bamboo would only be a temp measure as it does rot and breakdown with steamy heat and watery conditions. Plus termites etc are more active in tropical climates. I live in tropical north QLD, Australia and cannot use timber or bamboo for any outdoor construction unless it is heavily treated with carcinogenic crap to deter termites - even then they still seem to beat that sometimes.
True but if you look where a lot of there spider holes were built you find that there well above the water table and in much more undulating ground. And probably a lot less clay based soil allowing the water to drain better.
They drowned 😂
They have alluvium soil with high levels of clay and iron, and that mixture would produce cement like bonding properties when it dried. So they would build during the monsoon season and not during dry seasons when the upper layers were moist.
Put in top and bottom braces across the main structural beam and then put gravel and sand then subfloor use the newly imploded wall opening and convert that to a full size door with steps leading to the surface. Think “exterior basement doors” lol I’d watch the hell out if that video!!
this is exactly what happened to my spider hole i built since i live in the midwest it lasted a month
I think your on the right track. A new floor and a sump pump. Also maybe a deisel heater to dry the space out...
Praise be Don / we need 3 don channels /Don at home/ Don cooking / Don using wood (chopping, burning maybe even whittleng )
Looks like you should consider rigging a pulley system for the emergency exit in your dugout
Hey Kevin; is this Part 2!? I was wondering when you Dug the Hole, when were ya going to hit Water! I thought maybe you were up high & Dry! IDK!! Bummer Blow Out Man! 😢! TC, NZ.✌❤🙂✝️
I gave a like because this was as suspenseful as a horror flick :)
I am absolutely not an engineer, but I was a designer. I’m also fascinated by history. I know that in Tudor and medieval England, homes were built of wattle: manure, mud, and straw. What if you worked from the outside in, instead of inside out? Make the outside soul less dense first. The wattle mix is lightweight, but firms up with water. Do some research. You probably have tons of pine needles (straw substitute), and you must live near farms. Do a test on a small pit. Just thinking.
Should put french drains above the hole. You can even cover them up with pine straw and they'll continue to work to flow water away from the hole.
one word, Concrete. I know it sucks and is expensive, but it's the only thing water won't destroy.
The wall blew out when you drained was because you had heavy wet, loose soil on one side, and the water inside was pressing against it. once the water was gone, the pressure was all on one side and it gave.
Oh I hate this spider hole right from the beginning! Bad juju! lol.....please be careful!
The old adage "just because you can, doesn't mean you should" is circling in my head. This was a fun project. I would consider what usefulness this hole might provide. A translucent lid would provide a nice freeze-proof greenhouse. Just remember to ventilate.
Wow. You've got quite the task ahead of you. BUT! This is also an opportunity. The first thing you're going to need is a dedicated sump hole. This will need to be reinforced with wood to keep the dirt from filling it as the water flows in. So, wood sides, wood bottom. You're going to want it deep enough to sit the sump pump in there, so maybe only a foot or so. As far as the wall that is caved in, there is no saving it as it is... but that's not a bad thing. You're going to need to dig it out from the outside. And since you're already going to be digging it out, expand the room. Build another few wooden walls, make sure they're reinforced at the bottom, middle and top like you did with your new shaft, and build a floor for the whole area. It doesn't have to be wood, but it should be something porous yet hard. Something like stone tiles (like the steps they use for gardens) or river rock or brick or something. Wood will likely rot if left submerged and exposed to moist soil unless it's something like cedar. As you're putting in that floor, you'll need to install some bracing from wall to wall to keep the sides from bowing out again. This bracing can then be covered by your flooring. Ideally, something like steel that won't rust or wear away would be ideal for this. Wood is strong enough to hold back a lot of pressure, but it has to be properly braced.
This is recoverable. It's just going to take some more work.
Definitely a sump pump with a float sensor solar powered as you suggested Kev. Then depending how far you want to take it as mentioned expand the room possibly with concrete reinforcing ?
Instead of doing a flat wall. Why not try and angle the wall that has blown out into a triangle shape. That way there will be less pressure on one large wall because your smaller walls seemed to of held up good. Great video as always 👍
Option 1; Remove all items of value and fill with dirt/none sense but mark the area in case it collapses (depending on how well you filled it).
Option 2; Remove all dirt from the side (from outside above), rebuild the wall but more reinforced, and build a drainage system.
'oh oooh, we got a problem!'
So interested to see where this one goes..
Savage Kevin if you are going to save it then yeah your going to need an automatic sump pump mate. 👍🏼
concrete floor poured once the weather is dryer would be the best option, ideally with a plastic lining to keep the concrete separated from the ground itself
@ 22:20 done deal /don't abuse DON / quit go to next amazing project / A frame video would be nice WE LOVE THE DON !!!!
Wow that's unfortunate, you have put alot of work into that 😢
Without some type of waterproofing this is a losing battle. The bottom of your main beam slid out. To fix, you could put full boards across the wall instead of those half ones, then have a full length beam bracing between the your wall supports. You could do some kind of solar powered sump pump to prevent large accumulations.
The accent is almost never noticeable but every once in a while you make the make the most candian sounds. 😂 reminds me of my 10th grade cooking teacher
Hey Kev, nice shaft! 😂😂😂😂
If you put concrete and reinforced steel rebars between your wooden ceiling and walls and the dirt/sand/clay/gravel/whatever behind them, then you won't get any more water in there than in a basement. Some basements have a slanted concrete floor under the floorboards with a bilge pump down there to keep it dry in the rainy/defrost seasons.
I would say your best bet is to add a thick layer of gravel under your floor that would at least run to a drain pipe out your "escape" tunnel. Otherwise the sump pump would do the job as long as the pump and electrical system doesn't break down.
Dig out floor a few inches, lay down some plastic and then rebar and pour concrete.
After that dig down the outer wall and do the same. Leave a few ventilation shafts using pvc pipes.
You get the drift 😅 make a concrete spider hole...
You need some 6x6 beams on the floor to support your walls then put flooring on top. You should have added at least one beam in center before pumping out water it was keeping it from blowing out once you removed the water there was to much pressure on walls and no lower support so it blew out or in in your case. Need lots of bracing and a permanent sump pump that will run when water level comes up solar powered battery backup system. Guess you’ve got more digging to do now maybe add a new room into it ware wall came apart? Good luck!
Great insight
looks like you have natures start on a third entrance/exit. You could dig it lower than the floor of your spider hole so it would become the "drain" location and house a sump pump.
"Is my TV safe?"
Waterline says: "NO!"
Probably pretty close to the shelf (limestone or granite) underground.
Drill through that if possible and drain the water below the natural shelf.
Geo survey of that area would show the approximate depth of the shelf.
Like many have stated, remove the collapsed soil and expand the hole into that area, but with enhanced bracing and a solar powered sump system.
He should have went ahead and backhoes a large area , squared it off. The add bisque that is thick plastic material that comes in spools that then fold out into huge plastic that is used to water proof basements. He could have done it this way making sure that the complete floor and sides are water proofed. They could have made three floors, made better walls with better planned better sides and safety.