مجلة اقتصاد المال و الأعمال
Volume 10, Numéro 3, Pages 95-109
2026-09-30

Beyond Traditional Evm: Earned Schedule As A Time-based Alternative For Schedule Performance Measurement In Epc Projects -a Case Study At Sarpi-



Authors : Rais Hicham . Letaief Hamza . Bouamama Abd Ellah . Medhar Mohamed .

Abstract

Abstract: EPC project monitoring at SARPI relies on classic EVM indicators, which have known structural weaknesses for schedule tracking. This study used semi-structured expert interviews plus quantitative analysis of EVM versus Earned Schedule (ES) across three completed EPC projects. Findings show universal EVM use but no awareness of ES among institutions surveyed. Empirically, ES outperformed EVM in three ways: better detection of schedule deviations late in projects when SPI becomes unreliable, accurate time-based representation of schedule variance without distortion, and more precise duration forecasts (IEAC) early enough to enable preventive action.

Keywords

EPC projects ; Earned Value Management ; Earned Schedule ; schedule performance ; duration forecasting

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