Tamil Nadu Pwd Building Practice Standard Data Book Exclusive Jun 2026

: Locate the specific work item (e.g., Brickwork in CM 1:5) in the Data Book.

Defining precise quantities of raw materials (cement, steel, aggregate) and labor hours for specific units of work.

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

: By providing a universal standard, it streamlines the tendering process and reduces conflicts between contractors and government agencies. Key Contents of the Data Book : Locate the specific work item (e

Using the Standard Data Book effectively requires understanding the PWD's workflow for preparing government estimates:

Defines the quantity of primers, wall putty, acrylic emulsions, synthetic enamels, and weather-proof coats needed per unit area, alongside labor coefficients for painters. The Role of the Data Book in Rate Analysis

Includes detailed cost breakdowns per point (e.g., ₹3,330 per point ) and labor charges . Where to Access Official documents can be downloaded from: The Role of the Data Book in Rate

The Standard Data Book is the foundational technical document that makes the Schedule of Rates possible. The rates published annually in the SOR are derived by analyzing the material, labour, and equipment costs using the constants provided in the Standard Data Book.

The manual typically covers the following specialized chapters and technical data: Material Specifications

Compares traditional clay brick constants with modern fly-ash bricks. each with a distinct role.

While the "Standard Data Book" is the exclusive technical tool for rate analysis, it does not work in isolation. It is part of a larger ecosystem of official PWD publications, each with a distinct role.

Measures dry volume requirements against finished wet volume.