The following official and professional sources provide the data and schedules of rates (SoR) necessary for Kerala public works: Schedule of Rates

The Kerala PWD Data Book is an official publication, typically updated annually or bi-annually, that contains:

: Specified in man-days for various categories like masons, carpenters, and mazdoors.

The traditional PWD Data Book was a physical compendium of standard schedules of rates (SSR), material consumption norms, labor output constants, and equipment hire charges. Engineers used it to estimate project costs, prepare bills of quantities, and verify contractor payments. However, manual calculations, transcription errors, and the difficulty of updating data across thousands of pages made the process inefficient.

No. The Data Book contains SSR plus analysis of rates, lead/lift, machinery, and overheads. SSR is just the material list with rates.

The Kerala PWD data book is significant for several reasons:

Enter the . This is not merely a scanned PDF converted to spreadsheets. A properly constructed Excel data book includes: