Subgrade Preparation on Road Construction Site | Auto Level Staff Reading | Live Practical

SUBGRADE PREPARATION FOR ROAD CONSTRUCTION | AUTO LEVEL SURVEYING | FILLING & CUTTING CHECK SITE PRACTICAL ━━━━━━━━━ 📌 WHAT YOU WILL LEARN: ━━━━━━━━━ 1. How Subgrade Bed is Prepared on a Real Road Site 2. How to Fix Centre & Edge Rebar (Sariya) for Accurate Levelling 3. How to Set Up Auto Level & Take Readings with Levelling Staff 4. What is DIP in Road Construction (200mm / 300mm Rise Above Subgrade) 5. How String Line is Stretched on Rebar Ahead of Moving Grader 6. How to Check FILLING & CUTTING Using Staff Reading on Site 7. Live Practical with Surveyor Real Working Road Project ━━━━━━━━━ 📌 SITE TERMINOLOGY USED: ━━━━━━━━━ 1. Sub-grade : Prepared natural soil layer below road structure 2. DIP : Level raised 200mm or 300mm above Subgrade Level 3. Auto Level : Optical instrument used for levelling & surveying 4. Centre Rebar : Steel rod fixed at road centreline for level reference 5. Edge Rebar : Steel rod fixed at road edge for level reference 6. String Line : Thread stretched between rebars to guide Grader 7. Filling : Area where soil needs to be added (below required level) 8. Cutting : Area where soil needs to be removed (above required level) 9. OGL : Original Ground Level before any construction work 10. HI: Height of Instrument method used in India & globally 11. HOC : Height of Collimation method used in Gulf/Dubai projects ━━━━━━━━━ 📌 ABOUT THIS CHANNEL: ━━━━━━━━━ Hi, I am Sukhwinder Singh Owner of TURVEX CIVIL. This channel covers practical Civil Surveying and Construction work through models, real site examples, and Civil Engineering vlogging. Learn Auto Level, RL Calculation,Benchmark Shifting, HOC & HI Methods explained in a simple, practical way. 🏗️ Dubai Videos: Mini Model demonstrations (room-based) for clear step-by-step understanding. 🇮🇳 India Videos: Real practical site levelling with actual ground conditions on live road projects. Whether you are a Student, Site Engineer, or Working Surveyor in India 🇮🇳 | UAE 🇦🇪 | Gulf | or anywhere in the world 🌍 This channel is made for you. 👍 LIKE this video if it helped you 💬 COMMENT your questions below, I reply to every question! ━━━━━━━━━ #subgrade #roadconstruction #surveying #civilengineering #turvexcivil #autolevel #landsurveying #grader