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Merrion Cross — Block C · Tender Rev 04 vs Construction Rev 07 · Last AI scan: 28/05/2026 09:42

AI Engine Active

Total Variation Value

€ 487,340

Across 47 change items

+€ 62,180 this week

Changes Detected

12 unreviewed

+8 since Rev 06

Pending QS Review

3 overdue > 48hrs

4 added today

ACTION REQUIRED

Rework Risk Items

Est. €94,200 exposure

2 critical — action required

Waste Cost Estimate

€ 28,650

5.9% of variation total

+€ 4,100 this week

AI Confidence Avg

91.4%

3 items below 70%

+1.2% vs last scan

Latest AI-detected drawing differences

Change ID	Drawing	Description	Trade	Conf.	Cost	Status
CHG-0041REWORK	A-301-R07 Rev 07	Column grid shifted 450mm north — affects floor slab reinforcement layout	Structural	97%	€ 38,200	Pending
CHG-0040REWORK	M-112-R03 Rev 03	AHU unit relocated from roof level to Level 4 plant room	Mechanical	94%	€ 24,700	Reviewing
CHG-0039	A-215-R07 Rev 07	Partition wall added to Level 3 open-plan office — 18.4m run	Architectural	99%	€ 12,840	Approved
CHG-0038	E-407-R05 Rev 05	Additional 63A DB added to Level 2 comms room — cable tray extension required	Electrical	91%	€ 9,340	Pending
CHG-0037	P-088-R04 Rev 04	Sanitary stack rerouted — 12m additional 110mm UPVC pipework	Plumbing	88%	€ 5,620	Approved
CHG-0036	S-203-R06 Rev 06	Beam depth increased from 450mm to 600mm — additional 3.2T structural steel	Structural	96%	€ 18,900	Disputed
CHG-0035	FP-061-R02 Rev 02	Sprinkler head layout revised — 24 additional heads on Level 5	Fire	93%	€ 7,000	Pending
CHG-0034	C-019-R05 Rev 05	Drainage invert levels revised — 28m additional excavation and backfill	Civil	85%	€ 14,200	Reviewing

Showing 8 of 8 changes

CHG-0041Structural

A-301-R07

€ 38,20018 hrs ago

CHG-0038ElectricalOVERDUE

E-407-R05

€ 9,34054 hrs ago

CHG-0037FireOVERDUE

FP-061-R02

€ 7,00061 hrs ago

CHG-0034Civil

C-019-R05

€ 14,20022 hrs ago

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