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The Costimator Blog
Tutorials, insights, and updates for Indian infrastructure engineers.
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TutorialsWhat is included in the 15% Contractor's Profit and Overhead (CP&OH)?
The CPWD 15% CP&OH isn't all profit — it's 7.5% profit and 7.5% overhead. The six factors SOP 5/3 lists, the 'no extra cost' rule, and a fully worked M25 example.
12 min read -
CPWD UpdatesWhy CPWD DSR 2023 rates changed after the 08-Aug-2024 GST OM
CPWD's 08-Aug-2024 OM moved GST to the end of the DAR 2023 rate-analysis cascade. The new method, a worked M25 example, and why the 0.973 correction factor works.
10 min read -
TutorialsWhat is the difference between CPWD DSR and DAR?
DSR is the list of items and their rates. DAR is the analysis behind each rate. What each contains, how one rate is built from dozens of inputs, and when to use which.
6 min read
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