Choosing the Right Soil Placement for Your Subterra Secure Bunker
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In the world of underground shelter installation, the significance of choosing the right location cannot be overstated. Subterra Secure recognizes the critical role that proper placement plays in maximizing the effectiveness of your shelter. In this guide, we navigate the nuances of underground shelter installation, emphasizing the importance of concealing entrances, utilizing steel blast doors, and strategically choosing the depth for optimal radiation protection.
Selecting the Ideal Site: The Foundation of Security
1. Water Table Wisdom:
- - Opt for locations with a low water table, allowing for trench excavation without encountering groundwater. Seasonal variations, especially in areas prone to hurricanes, necessitate a keen understanding of water table fluctuations.
- - Enlist the expertise of a soils engineer to assess the soil composition at your chosen site, ensuring a comprehensive understanding of the ground conditions.
Navigating Soil Types:
- Rocky Soil: While viable, rocky soil may increase excavation complexities and costs. Avoid backfilling with large rocks, and if faced with solid rock, consider controlled blasting for installation.
- Wet Soil: Wet soil poses a significant challenge. Identify high-water levels through spring excavations and, if encountered during the process, backfill to a dry soil level before shelter installation. Mounding soil over the shelter can enhance warmth and radiation protection.
3. Hills, Valleys, and Slopes:
- Avoid locating shelters at the bottom of slopes, where accumulated water can compromise shelter integrity over time. Optimal placement involves high ground to prevent soil saturation, especially in areas prone to heavy rainfall or potential blasts.
4. Clay Soil Challenges:
- Clay soils, known for water retention, require careful consideration. Consult with a soil engineer to explore solutions such as excavation, filling with crushed rock, and implementing drainage systems like French drains to mitigate water-related issues.
5. Dealing with Deformation:
- Anticipate some deformation in steel shelters, particularly in end caps or bulkheads. Subterra Secure recommends strategic planning for this occurrence, ensuring proper installation of components like air handlers, decks, and ventilation intake pipes.
6. Equipment Matters:
- Utilize a large track hoe (size 290 to 330) for initial excavation, prioritizing efficiency and safety. Backfilling requires precision, necessitating equipment with a long arm to evenly distribute the load over the shelter hull. Avoid uneven backfilling, as it may lead to potential deformation.
Conclusion: Crafting a Secure Sanctuary
Selecting the right soil placement is an art and science. As you embark on the journey of underground shelter installation, heed the advice of experts, conduct thorough site evaluations, and choose a location that aligns with the highest standards of safety and security. Your Subterra Secure shelter, strategically nestled beneath the earth's surface, becomes not just a refuge but an impenetrable fortress against the uncertainties of the world.