R-010

Contractor claim for differing site conditions

Under DevelopmentSubstation UpgradeContractOwner: J. Rivera

Pre-MitigationModerate

$550K

Expected monetary value

Score 8.3

50% likely

ResidualModerate

$245K

Expected monetary value

Score 7.5

35% likely

Mitigation Effect

$305K

EMV reduction from response plan

Mitigation cost $85K45% effective

Cause (because of)

Limited geotechnical data at bid time

Uncertain Event (there is a risk that)

Contractor submits change order for unforeseen conditions

Consequence (which would lead to)

Additional cost and dispute resolution effort

Root Cause

Limited geotechnical data at bid time

Trigger / Threshold

Excavation reveals rock or contamination

Early Warning Indicator

Excavation reveals rock or contamination

Assumptions

Baseline assumptions per approved project execution plan.