Building Practice Standard Data Book Exclusive ((full)) — Tamil Nadu Pwd
Deep dive: Tamil Nadu PWD — Building Practice Standard Data Book (exclusive)
J.2 Repainting cycle
| Surface | Cycle (years) | |---------|----------------| | External emulsion | 3 years | | Internal emulsion | 5 years | | Enamel (wood/steel) | 4 years |
3. Masonry
- Brick masonry (CM 1:4, 1:6) – country bricks, wire-cut bricks
- Stone masonry (rubble, ashlar)
- Block masonry (AAC, solid/hollow concrete blocks)
5. Flooring, Tiling & Finishes
- Cement concrete flooring
- Tiles (ceramic, vitrified, marble, granite)
- Terrazzo, IPS (Indian Patent Stone)
What is the PWD Standard Data Book?
The Standard Data Book (SDB) is essentially the "bible" for public construction works in Tamil Nadu. Published by the Tamil Nadu Public Works Department, it serves as a comprehensive reference for: Deep dive: Tamil Nadu PWD — Building Practice
- Item Definitions: Standardized descriptions for every conceivable construction activity (e.g., "Earthwork excavation," "RCC work," "Plastering").
- Standard Measurements: How quantities should be measured for payment.
- Labor and Material Constants: The theoretical requirement of labor (man-hours) and materials per unit of work.
B.4 Pile Data (Bored cast-in-situ – TN PWD standard)
- Diameters: 300mm, 450mm, 600mm
- Load capacity: 25T – 85T (based on N value)
