📋 Road Construction Quality Control Checklist – Complete Site Engineer Guide (All Layers Covered)
Introduction
Site पर सबसे बड़ी mistake क्या होती है?
👉 Work हो जाता है… लेकिन proper checking नहीं होती
👉 Result:
❌ Rework
❌ Delay
❌ Payment hold
👉 “Quality check नहीं किया = काम पूरा नहीं हुआ”
इस article में आपको मिलेगा complete practical checklist (layer-wise) जो हर site engineer को follow करना चाहिए।
📚 1. Code References
MORTH Specifications (All Sections)
IRC Codes (37, 111, etc.)
👉 QC हमेशा specification based होना चाहिए
🧠 2. Quality Control क्यों जरूरी है?
Proper compaction
सही thickness
Long life road
Billing approval
🛣️ 3. Layer-wise Quality Checklist
3.1 Subgrade
✔ Level check
✔ Camber check
✔ Compaction (FDT ≥ 97%)
✔ Moisture content
📌 Related:\ FDT Guide
3.2 GSB Layer
✔ Thickness check
✔ Gradation check
✔ Compaction (98%)
✔ Level & slope
3.3 WMM Layer
✔ Moisture control
✔ Thickness
✔ Density
✔ Surface finish
3.4 Prime Coat
✔ Surface clean
✔ Application rate check
✔ Uniform spray
3.5 DBM Layer
✔ Temperature check
✔ Thickness
✔ Compaction
✔ Core test
📌 Related:\ Core Test
3.6 Tack Coat
✔ Uniform spray
✔ सही quantity
✔ No over spray
3.7 BC Layer
✔ Surface smoothness
✔ Thickness
✔ Joint quality
✔ Temperature
📊 4. Important Tests Checklist
FDT (Subgrade / GSB / WMM)
Slump / Cube (Concrete)
Core cutting (Bituminous)
Marshall Stability
⚠️ 5. Common Mistakes
❌ Layer check skip करना
❌ Test report ignore करना
❌ जल्दबाजी में work complete करना
❌ Documentation नहीं रखना
👷 6. Site Engineer Responsibilities
Daily inspection
Test verification
Documentation
RFI submission
📌 Related:\ RFI Guide
💡 7. Practical Tips
✔ Checklist print करके site पर रखें
✔ हर layer approve कराएं
✔ Test report attach करें
✔ Photo record रखें
🔗 8. Related Articles (Must Read)
DBM Work
BC Work
FDT Test
✅ Conclusion
Quality control site engineer का सबसे powerful tool है।
👉 Proper checking = Zero defect work
🔥 Final Words
👉 “Check करो, तभी approve करो”
👉 “Quality compromise = future problem”