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How to Transfer RL by Using Auto Level – Step-by-Step Guide

  How to Transfer RL by Using Auto Level – Step-by-Step Guide In the field of civil engineering, transferring Reduced Level (RL) is one of the most essential tasks when it comes to leveling and ensuring accuracy in elevation. Whether you're working on a building foundation, roadwork, or land survey, knowing how to transfer RL using an auto level is a basic but crucial skill. Bosak Civil Construction explore what RL means, why it's important, and how to transfer it accurately using an auto level. This guide is beginner-friendly and written in a practical tone so anyone can understand it easily. Reduce Level ■ What is RL (Reduced Level)? Reduced Level (RL) is the vertical distance of a point above or below a fixed reference point, usually called the benchmark. It helps in determining the height or depth of different points on a site. RLs are crucial for: 》Laying foundations 》Constructing floors at correct heights 》Ensuring slope and drainage in roads 》Comparing levels across l...
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How to Find Excavation Depth from NGL – Step-by-Step Guide

How to Find Excavation Depth from NGL – Step-by-Step Guide Excavation is one of the most crucial stages in any civil construction project. Whether you are constructing a building, a road, or any other infrastructure, knowing the depth of excavation from Natural Ground Level (NGL) is essential. It ensures proper foundation placement, structural safety, and cost control. How To Find Excavation Depth from NGL: Watch Now Excavation Depth From NGL RL Watch Full Video: Click Here. In this blog, we’ll understand what NGL is, the process to calculate excavation depth from it, and a real-life example to clarify the concept. What is Natural Ground Level (NGL)? NGL stands for Natural Ground Level, which is the original, undisturbed surface level of the ground before any construction activity or excavation begins. Think of NGL as the ‘zero level’ or reference level on site before you dig or build. Why is Excavation Depth Important? Knowing the correct excavation depth helps in: • Achieving the exa...
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How To Calculate Footing Excavation Depth

 Footing Excavation Depth ✅️Meaning of Footing Excavation:  เค‡เคธเค•ा เคฎเคคเคฒเคฌ เคนोเคคा เคนै NGL (Natural Ground Level) เคธे เคฒेเค•เคฐ Footing เค•े bottom level เคคเค• เค•ि เค—เคนเคฐाเคˆ। Formula:  Excavation Depth =NGL-Bottom Of Footing Footing Excavation Depth  Excavation depth เค•ुเค› เคฎเคนเคค्เคค्เคตเคชूเคฐ्เคฃ เคฌाเคคों เคชเคฐ เคจिเคฐ्เคญเคฐ เค•เคฐเคคे เคนैं, เคœो เคœเคจाเคจा เคฌเคนुเคค เคนी เคœ़เคฐूเคฐी เคนै। ๐Ÿ”…Type of soil --- Hard เคนै เค•ि Soft chech เค•เคฐเคจा เคนै। ๐Ÿ”…Building Load according to G+1,G+2, G+3.....etc. ๐Ÿ”…Safe Bearing Capacity (SBC) ๐Ÿ”…See OR Check Water Table Label. Watch Video: Click Here เคฆोเคธ्เคคो, เค…เคฌ Footing Excavation Depth Calculation เคช्เคฐเคฎुเค– Steps เค•ो เคฆेเค–ेंเค—े: Step-1.  เคชเคนเคฒे Natural Ground Level เคชाเคคा เค•เคฐเคจा เคนोเค—ा। เค…เค—เคฐ NGL เคจเคนीं เคฆिเคฏा เคนोเค—ा เคคो 100.0m เคฎाเคจ เคฒेंเค—े। Step-2. Plinth Level Fixed เค•เคฐเคจा : Generally Plinth level 0.45m to 0.60m above เคฐเค–ा เคœाเคคा เคนै। Let Plinth level =+0.60m Step-3. Foundation Depth: Foundation depth เคจिเคฎ्เคจ เคฌाเคคों เคชเคฐ เคจिเคฐ्เคญเคฐ เค•เคฐเคคी เคนै- A. Soft Soil เค•े เคฒिเค  1.5m - 2.0m B. Medium Soil เค•े เคฒिเค 1.2m -1.5m C. Hard Soil। เค•े เคฒिเค 1.0m - 1.2m Example: L...
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