The digital access is granted via the intranet portal. Physical copies are maintained in the Divisional Offices (Executive Engineer's office).
is the cornerstone of civil engineering and public infrastructure in the state. Recently updated for The digital access is granted via the intranet portal
: Acts as the primary reference for settling claims regarding the scope of work or material usage. Tamil Nadu PWD Standard Data Book | PDF | Concrete | Cement Recently updated for : Acts as the primary
| Building type | Concrete (m³/m²) | Steel (kg/m³) | |---------------|----------------|---------------| | G+1 office | 0.28 | 85 | | G+2 hostel | 0.32 | 95 | | School (G) | 0.22 | 70 | | Hospital (G+2) | 0.38 | 110 | Annexure III: Rates of Works – Composite rates
The latest release, often divided into multiple volumes, includes: Annexure I: Rates of Labour – Standardised wages for masons, carpenters, and helpers. Annexure II: Rates of Materials – Basic costs for steel, cement, bricks, and more. Annexure III: Rates of Works – Composite rates for common construction activities. Annexure VII: Electrical Items – Detailed data for wiring, lighting, and power systems. Specialised Data
That night, Raghav realized his error. He had been estimating costs based on market trends, but PWD contracts were rigid. They operated on a specific set of codes—known as the Building Practice Standard Data Book . It wasn't just a list of prices; it was a bible of specifications that dictated exactly how many man-hours it took to lay a square meter of half-brick wall, or how much cement was required for a specific grade of concrete in a government building.
| Feature | | CPWD Standard (Delhi) | | :--- | :--- | :--- | | Plaster Thickness | 15mm External | 12mm External | | Steel Grade | Fe 500 (minimum) | Fe 415 (acceptable) | | Curing Period | 21 Days minimum (RCC) | 14 Days (Climate dependent) | | Water-Cement Ratio | 0.45 (Strict) | 0.50 | | Provision for "Jallikattu" | Factored in compaction | Not applicable |