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Conflict_Checker/backend/.llm_cache/a4b92db32e4a5cb1f6f9df318a0e87c05d15775169093962e56682591d27d960.json
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woogiandClaude Opus 4.8 1d248a8808 Initial commit: Conflict Checker
Cross-discipline design-contradiction checker for construction drawing
sets. Standalone tool broken out from Iron_Bid; a pipeline stage may
later fold back into Iron_Bid.

Pipeline: PDF->images -> per-sheet assertion extraction -> deterministic
clustering by location -> per-cluster reasoning -> report.
Includes CLI (cli/run_check.py) and web UI (backend/main.py).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-07-03 00:22:02 +00:00

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{"conflicts": [{"conflict_id": "EWH-1_drain_size_mismatch", "category": "schedule_vs_plan_mismatch", "severity": "low", "confidence": "high", "location": "Electric Water Heater EWH-1", "disciplines": ["Plumbing"], "sheets": ["P01.01", "P02.02", "P03.01"], "description": "The Plumbing Fixture Schedule on sheet P01.01 lists a 1-1/2\" waste (W) connection for the electric water heater EWH-1. This conflicts with the plan keynote on P02.02 and the installation detail on P03.01, both of which specify 3/4\" drain lines for the temperature and pressure (T&P) relief valve and the auxiliary drain pan. The remarks column of the fixture schedule itself also refers to a 3/4\" drain, creating an internal contradiction within the schedule.", "evidence": [{"discipline": "Plumbing", "sheet": "P01.01", "source_text": "W 1 - 1/2\"", "asserted_value": "1-1/2 inch Waste Connection"}, {"discipline": "Plumbing", "sheet": "P02.02", "source_text": "ROUTE 3/4\" T&P DRAIN LINE AND 3/4\" AUXILIARY DRAIN LINES TO FLOOR SINK BELOW.", "asserted_value": "3/4 inch Drain Lines"}, {"discipline": "Plumbing", "sheet": "P01.01", "source_text": "PROVIDE AUXILIARY DRAIN PAN WITH 3/4\" DRAIN TO FLOOR SINK.", "asserted_value": "3/4 inch Drain Line"}], "recommended_resolution": "coordinate drawings"}]}