Module 4 of 10

Rate Analysis and Building the BOQ

Convert the quantities you took off in Modules 2 and 3 into defensible unit rates and a clean, dispute-proof Bill of Quantities. Material and labour constants, worked rate analyses for RCC, brickwork and plaster, CPWD DSR vs market rates, BOQ formats and the abstract sheet.

1. 4.1 What Rate Analysis Is and Why Your Rates Leak MoneyA unit rate is not a guess or a neighbour's number. It is materials + labour + plant + water + overheads, built line by line. Learn the structure and the five places rates leak money.7 min read
2. 4.2 Material Constants: Cement, Sand, Aggregate, Steel per Unit of WorkWhy 1 m3 of concrete needs 1.52–1.54 m3 of dry material, how many cement bags each mix consumes, and the brickwork, plaster and steel constants every estimator must carry.8 min read
3. 4.3 Labour Constants and Real Productivity NormsHow many mason-days one m3 of brickwork really takes, why textbook norms assume head-load handling, and how to convert daily-wage constants into defensible labour rates.7 min read
4. 4.4 Rate Analysis Worked Examples: RCC, Brickwork, PlasterThree complete, line-by-line rate analyses — M20 RCC at about Rs. 7,670/m3, brickwork at about Rs. 8,190/m3, 12 mm plaster at about Rs. 223/m2 — with every percentage labelled.8 min read
5. 4.5 CPWD DSR vs Market Rates: When to Use WhichThe DSR is a priced encyclopaedia of ~13,000 items — but its rates are Delhi-based and dated. Learn what a DSR rate contains, how the cost index works, and when to trust the market instead.7 min read
6. 4.6 BOQ Formats, Item Descriptions and the Abstract SheetA BOQ is six columns and a set of promises. Learn the standard format, the anatomy of a watertight item description, IS 1200 units, and the abstract sheet arithmetic.7 min read
7. 4.7 Common BOQ Mistakes That Cause DisputesMost construction disputes are drafted months earlier, inside the BOQ. Ten recurring mistakes, the rupee damage each causes, and the one-line fixes that prevent them.6 min read