| Section | Content | |---------|---------| | A | Basic labour constants (unskilled, semi-skilled, skilled, highly skilled) | | B | Material constants – cement, steel, sand, aggregate, bricks, tiles | | C | Equipment & machinery – mixer, vibrator, hoist, etc. (hourly output) | | D | Analysis of rates for individual items of work (earthwork, concrete, RCC, brickwork, plaster, flooring, roofing, joinery, painting, etc.) | | E | Lead & lift statements for earth and materials | | F | Schedule of sundry items (scaffolding, formwork, curing, etc.) | | G | Standard overheads & contractor’s profit percentage | | H | District-wise correction factors (for transport, local labour availability) |
To prepare a "solid report" or estimate today, you must apply the pricing from the to the data constants in the SDB. tamilnadu pwd standard data book for buildings
Furthermore, the book addresses the evolution of construction technology. While older editions relied heavily on manual labor constants, newer revisions have begun to incorporate machinery constants. This reflects a shift in the industry towards mechanization, such as using excavators for earthworks or mixers for concrete. The SDB acts as a living document that must balance traditional labor-intensive methods (which provide employment, a key political and social objective in Tamil Nadu) with the efficiency of modern machinery. | Section | Content | |---------|---------| | A