Highly reliable; based on established Indian Standards (IS codes) adapted for regional conditions.
| Surface | Thickness | Mix | Remarks | |---------|-----------|-----|---------| | Internal wall | 12mm | CM 1:6 | Single coat | | External wall | 15mm | CM 1:5 | With weatherproof additive | | Ceiling | 6mm | CM 1:3 | Neat finish |
State audits (such as those by the Accountant General) rely heavily on this data book to verify that public funds were utilized correctly during construction. It protects both the engineer and the government from financial discrepancies.
The Tamil Nadu PWD Building Practice Standard Data Book offers several benefits to architects, engineers, contractors, and builders who work on construction projects in the state. Some of the benefits include: Highly reliable; based on established Indian Standards (IS
This comprehensive technical guide serves as the foundational blueprint for planning, estimating, analyzing rates, and executing civil engineering works across the state. For engineers, contractors, architects, and government officials, this data book is an indispensable resource that ensures uniformity, structural safety, and financial transparency in public construction. What is the TN PWD Standard Data Book?
Armed with the Standard Data Book , Raghav returned to the site. He didn't just look at the materials; he looked at the process .
The process of utilizing the Data Book is crucial for project success. 1. Preparing Detailed Estimates The Tamil Nadu PWD Building Practice Standard Data
For professionals engaged with the Tamil Nadu Public Works Department, the is the "source code" behind every infrastructure budget. It provides the technical rigor that prevents financial leakage, eliminates arbitrary costing, and ensures that every kilogram of steel and cubic meter of concrete in a government building is accounted for by a verifiable scientific formula.
The Standard Data Book acts as a centralized repository for technical specifications, helping to minimize project ambiguities. Its primary functions include:
The Rate Analysis process follows this straightforward mathematical formula: What is the TN PWD Standard Data Book
If you need to delve deeper into specific calculations, let me know:
Precise constants for cement, sand, and aggregate for various mix ratios (M20, M25, etc.).
Establishes the standard data for interior and exterior wall finishes, detailing the thickness of plaster (12mm, 15mm, or 20mm), mortar ratios, and surface preparation. 8. Flooring and Dadoing
| Grade | Target strength (N/mm²) | Cement (kg/m³) | w/c ratio | |-------|------------------------|----------------|-----------| | M20 | 26.6 | 320 | 0.50 | | M25 | 31.6 | 370 | 0.45 | | M30 | 38.2 | 400 | 0.40 | | M35 | 43.5 | 420 | 0.38 |