Lessons Learned on Estimate Classifications - …

← Back to document page

Lessons Learned on Estimate ClassificationsGord Zwaigenbaum, CCE, FAACEIAACE Toronto SectionOctober 10, 2012 MeetingOutline project Life Cycle & Cost Uncertainty Estimate Classes & Accuracy Ranges AACEI Estimate classification Guides Nature of Process/ Mining estimates Some Challenges for Mining Projects Commonalities with Other Industries Lessons Learned Review (and Closure)2Project Life Cycle & Estimating % Time% project Definition% project Cost% Accuracy RangeInceptionCompletion3Project Life Cycle & Estimating TimeCostCONCEPTCOMMISSIONINGENGINEERINGC ONSTRUCTION4Project Life Cycle & Estimating TimeCostCONCEPTCLOSUREACQUISITIONOPERATI ON5Project Life Cycle & Estimating6Estimate Classes & Accuracy RangesDEFINITIVESCOPING STUDY40%20%10%15%0%80%5%40%15%0%ACCURACY RANGEENG G RANGEPREFEASIBILITYFEASIBILITYClass 5 (FEL-1)Class 25%BID CHECK100%Class 1C

Outline Project Life Cycle & Cost Uncertainty Estimate Classes & Accuracy Ranges AACEI Estimate Classification Guides Nature of Process/ Mining Estimates

  Project, Classification, Lesson, Estimates, Learned, Lessons learned on estimate classifications