Hous Underground Nad Waterslide pools
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July 05, 2025
In this video, We Dig Tunnel Secret Underground And Private Pools In 115 Days, you’ll join our Survival Builder team as we undertake our most challenging off-grid project yet: carving a hidden tunnel network beneath a remote hillside and crafting two cascading private pools—all by hand, with only primitive tools, in just 115 days. Shot in crisp 4K UHD, featuring aerial drone fly-overs, ground-level time-lapses, and close-ups of every pickaxe strike and clay sealant application, this is the ultimate guide for DIY enthusiasts, survivalists, and anyone who dreams of creating their own subterranean sanctuary.
👉 What You’ll Discover in This Build
Site Selection & Layout: How we chose the perfect hillside using bamboo surveying tools and manual leveling rods, then mapped out a tunnel path and pool cavities with nothing but chalk lines and string guides.
Primitive Excavation Techniques: Step-by-step methods for removing tons of earth and rock by hand—using shovels, adzes, hand-drills, and wooden wedges—and how we secured unstable walls with timber shoring and woven palm-frond braces.
Structural Reinforcement: Crafting robust arch supports from felled timber, assembling each joint with wooden pegs and natural fiber lashings, and pouring lime-mud “concrete” footings by hand to ensure long-term stability.
Pool Fabrication & Waterproofing: Digging two intimate pools, lining them with clay slurry and animal-fat sealants, then installing gravity-fed bamboo channels to maintain water flow and natural filtration.
Ventilation & Access: Designing hidden entry points, hand-drilled air shafts lined with bamboo, and a discreet camouflage strategy using local foliage and earthen plaster.
Interior Finishes & Comfort: Applying earthen plasters, weaving bamboo ceilings, and installing simple solar reflectors to channel daylight deep into the tunnel network.
⚙️ 115-Day Build Timeline (Timestamps)
0:00 – Introduction & Project Goals
1:20 – Site Surveying with Bamboo Stakes
3:45 – Day 1–30: Manual Excavation & Shoring
6:10 – Day 31–60: Timber Framing & Arch Construction
8:30 – Day 61–80: Pool Digging & Clay Sealing
11:00 – Day 81–95: Bamboo Piping & Water Routing
13:15 – Day 96–110: Earthen Plaster & Finishes
15:40 – Day 111–115: Final Landscaping & Hidden Entrance Reveal
17:55 – Complete Walkthrough & Before/After Contrast
🔧 All Tools & Materials Used (Primitive/Hand-Powered)
Pickaxes, mattocks & flat-bladed shovels
Wood-hewing axes, adzes & drawknives
Hand-drilled augers & bamboo piping
Bamboo stakes, wooden pegs & natural fiber rope
Local clay, lime, sand & gravel aggregates
Fallen timber, palm fronds & organic plaster ingredients
💬 Join the Conversation:
Which primitive technique surprised you most? Do you have questions about any step—or suggestions for our next Survival Builder challenge? Drop a comment below and let us know!
🔔 Stay Connected & Inspired:
If you loved this hands-on adventure, please like, subscribe, and hit the bell icon to get notified every Wednesday when we release new content on underground builds, off-grid living, and DIY survival projects.
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