Introduction to Cost Studies
Importance of estimating in the development process; factors that may influence the accuracy of an estimate; tender documents and its relationship to the estimated costs and tender price.
Costs Elements of Construction Projects
Costs of main building works; Prime Cost (PC Sum); Provisional Sum; Rates and its constituents - labour, plants and equipments; on-going/administration costs, profit.
Type of Estimation Rates
Type of Estimation Rates - Unit rate, All-in-rates, Contract Rate, Pro-rata/analogue rates, new/agreed rates and day work rates.
Managing Cost Estimates - Model Cost; Sources of Information, Usage of Data Cost; Cost Hierarchical Structure.
Alternatives estimating techniques - Spot Items, Operational Estimating, Extension of Bills of Quantity, Prime Costs of Daywork.
Preparing Build-up Rates
Preparing Build-up Rates for :
Concrete Roofing Tile.