Project Management, Contracts and Cost Estimation
What the exam tests
This domain tests cost planning, BOQ measurement, contract forms, variations, claims, delay analysis, payment and earned-value control. Egyptian public procurement law and FIDIC-based contracts are common reference points.
Core rules
- Contract types: lump sum suits defined scope; remeasurement suits uncertain quantities; cost-plus suits fast-track work. Choose by risk allocation, not habit.
- A BOQ must state measurement rules, units, rates and inclusion. Omissions and duplicated items are common sources of claims.
- Variations require instruction, valuation and programme impact. Verbal instructions should be confirmed in writing.
- Retention, performance security, advance payment and liquidated damages are contract mechanisms, not penalties to be improvised.
- Earned value: CV = EV − AC; SV = EV − PV; CPI = EV / AC; SPI = EV / PV. Forecast cost at completion is BAC / CPI when the current trend continues.
- Delay analysis should separate employer risk, contractor risk and neutral events. Contemporaneous records decide claims.
- Contingency belongs to identified risk; escalation is a separate allowance.
Worked example
A package has PV = 1,200,000, EV = 1,000,000 and AC = 1,100,000. CV = 1,000,000 − 1,100,000 = −100,000, so it is over budget. SV = 1,000,000 − 1,200,000 = −200,000, so it is behind schedule. CPI = 0.909 and SPI = 0.833. If BAC is 1,200,000, forecast EAC = 1,200,000 / 0.909 = 1,320,000. The project is both late and overspending.
Traps
Reversing CV and SV signs; using billed value instead of earned value; forgetting that EAC depends on the assumption used; omitting escalation and currency effects; accepting a variation without a written instruction; calculating retention on the gross amount when the contract says otherwise.
Key points
- CV = EV − AC and SV = EV − PV; negative means adverse.
- CPI = EV / AC and SPI = EV / PV.
- EAC = BAC / CPI only when the current cost trend continues.
- Variations need instruction, valuation and programme impact.
- Contemporaneous records are essential for delay claims.