Tamil Nadu Pwd Building Practice Standard Data Book Exclusive [patched] May 2026

Setting the benchmarks for construction safety and material standards, such as aggregate grading and concrete mix designs (M-20, M-25, M-30).

Offers a "Rough Cost Estimate" based on the total area of the building, which includes provisions for flooring, plastering, and basic amenities. Setting the benchmarks for construction safety and material

Includes provisions for "Extra Percentages" in specific regions like hilly tracts (e.g., Yercaud, Kalrayan Hills) or major corporations (e.g., Chennai, Madurai) where labor or transport costs are higher. Integration with the Schedule of Rates (SOR) which includes provisions for flooring

Breaks down the "Data" for each item of work. For example, a single cubic meter of concrete is broken into the exact weight of stone jelly, sand, and cement required. Kalrayan Hills) or major corporations (e.g.