medium confidenceExtra Work Fisher finding
Possible extra excavation event
Gestion Immobilière Nord · Place du Nord — Parking Lot Rehabilitation · Detected 5:21 PM
Observed cost exposure — not approved billing amount$4,762CAD
WHAT FISHER FOUND
Possible extra excavation
A foreman reported rock excavation beyond planned conditions; equipment, truck and disposal activity support that work occurred.
Observed activity confirmed Commercial record checked Administrative gap found
FOREMAN VOICE NOTE
0:18Field note · 11:38 AM
Stored transcript · No audio file attached
Original source · English
“We hit rock behind the loading dock. The superintendent asked us to go another three feet. We kept the 320 there and Marc brought another truck to haul it out.”Unexpected conditionAdditional excavationExtra equipmentAdditional hauling
ORIGINAL SCOPE
Standard soil excavation
Excavate to specified design elevation in standard soil conditions.
No rock excavation allowance appears.OBSERVED ACTIVITY
Additional rock excavation
- CAT 320 · 2.8 additional hours
- Truck 09 · 3.1 observed hours
- Disposal ticket D-20491
OBSERVED FACTS
- CAT 320: 2.8 hr × $285/hr = $798.00.
- Truck 09: 3.1 hr × $165/hr = $511.50.
- Rock disposal: 47.5 tonnes × $58/tonne = $2,755.00.
- Excavation crew: 4.5 crew hr × $155/hr = $697.50.
- Known observed costs total $4,762.00 CAD; this is not an approved billing amount.
BASIS FOR FINDING
- 1The field note describes completed excavation approximately three feet beyond the planned condition.
- 2The activity may be outside the original standard-soil scope and should be reviewed before the notice period expires.
UNCERTAINTY & MISSING INFORMATION
Written customer authorization · Agreed billing rate and markup · Confirmed contractual notice requirement