Tamil Nadu Pwd Building Practice Standard Data Book Exclusive -
| Member | Striking days | |--------|----------------| | Vertical sides | 1 day | | Slab soffit | 7 days | | Beam soffit | 14 days | | Props removal (full) | 21 days |
| 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 | | Member | Striking days | |--------|----------------| |
The Tamil Nadu PWD Standard Data Book (often abbreviated as the SD or SPD Book) is the official technical compendium published by the Building Centre & Organisation (BCO), PWD, Chennai. It is not merely a rate list; it is a catalog of construction methodologies, labor outputs, material consumption factors, and cost analysis. Request under RTI: File an RTI to Tamil
Having access to the Data Book is one thing; using it correctly is another. Here are common pitfalls to avoid: | Roof type | Treatment | |-----------|-----------| |
Request under RTI:
File an RTI to Tamil Nadu PWD for the latest Standard Data Book if it’s not publicly available online.
| Roof type | Treatment | |-----------|-----------| | RCC flat roof | Brick bat coba (50mm) + IPS + liquid membrane | | Terrace | Polymer modified bitumen membrane | | Bathroom / W/C | 2 coats of epoxy + fibreglass mesh |
The Data Book aligns closely with Indian Standards (IS codes) and central public works norms, but adapts or adds state-specific procedures for:
