BOQ and Quantity Calculation in Road Construction (Detailed Guide)

 

BOQ and Quantity Calculation in Road Construction (Detailed Guide)

Introduction

Road construction projects में BOQ और quantity calculation सबसे critical part होता है। गलत calculation से project loss हो सकता है।


BOQ क्या होता है?

BOQ एक list होती है जिसमें सभी work items और उनकी quantities होती हैं।


Road Construction Activities

  • Clearing & Grubbing

  • Excavation

  • Subgrade

  • GSB

  • WMM

  • Bituminous layers


Quantity Calculation Methods

1. Excavation

Formula:
Length × Width × Depth


2. Embankment

Volume = Area × Length


3. GSB Layer

Volume = Length × Width × Thickness


4. Bituminous Work

Weight = Area × Thickness × Density


Example Calculation

Length = 100m
Width = 10m
Thickness = 0.2m

Volume = 100 × 10 × 0.2 = 200 cum


Common Mistakes

❌ Overlap consider नहीं करना
❌ गलत unit use करना
❌ Drawing गलत पढ़ना


Pro Tips

✔️ हमेशा drawing verify करें
✔️ Excel sheet use करें
✔️ Wastage include करें


Conclusion

Accurate quantity calculation project success के लिए बहुत जरूरी है।

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