Detailed specification for an item of P. C. C. (1 : 2 : 4) should include following points:
1. Quantity of material, cost of different materials, work condition.
2. General specification, materials to be used, quality and proportion, construction method, items to include/exclude and mode of measurement of payment.
3. Work conditions at site, BIS requirements, labour requirement and its cost.
4. Sources of materials, instructions by PWD, labour requirement.