For the latest Volume 1 Schedule of Rates for the 2025-26 year. Tamil Nadu Public Works Department (PWD)
Highly reliable; based on established Indian Standards (IS codes) adapted for regional conditions. For the latest Volume 1 Schedule of Rates
| Soil type | SBC (kg/cm²) | Recommended foundation | |-----------|--------------|------------------------| | Hard rock | 45 – 60 | Open foundation | | Soft rock | 25 – 35 | Stepped footing | | Red soil (compacted) | 12 – 18 | Isolated footing | | Black cotton (dry) | 8 – 12 | Under-reamed pile | | Loose sand | 5 – 8 | RCC raft or pile | : It is a "privileged document" used by
The Essential Guide to the Tamil Nadu PWD Building Practice & Standard Data Book Tamil Nadu PWD Standard Data Book material consumption norms
Provides standardized unit rates , material consumption norms , labor output , and methodology for estimating and executing government building works in Tamil Nadu.
: It is a "privileged document" used by PWD officers for technical sanctions and by contractors for preparing accurate bids. Other Departments Highways Department TWAD Board