{"conflicts": [{"conflict_id": "firestop_rating_mismatch_01", "category": "note_or_spec_contradiction", "severity": "medium", "confidence": "high", "location": "Firestopping at wall penetrations", "disciplines": ["Electrical", "Plumbing", "General"], "sheets": ["E05.01", "P01.01", "G11.01"], "description": "The electrical detail for a sleeve penetration (Detail 4) prescriptively calls for a '3 HOUR RATED CAULK'. This contradicts the general notes on the Plumbing and General sheets, which require firestopping assemblies to have a rating equal to that of the construction being penetrated. Specifying a fixed 3-hour rating may be insufficient if a higher-rated wall is penetrated, or excessive and more costly for a standard 1-hour wall. The detail should be revised to specify a UL-listed assembly with a rating matching the penetrated wall, consistent with project-wide notes.", "evidence": [{"discipline": "Electrical", "sheet": "E05.01", "source_text": "PACK BOTH ENDS OF SLEEVE WITH 3M FIRE DAM 150 3 HOUR RATED CAULK OR APPROVED EQUAL", "asserted_value": "3 HOUR RATED CAULK"}, {"discipline": "Plumbing", "sheet": "P01.01", "source_text": "SEAL ALL PENETRATIONS THROUGH RATED WALLS, FLOORS AND CEILINGS WITH A UL LISTED ASSEMBLY TO PROVIDE A RATING EQUAL TO OR GREATER THAN THE RATING OF THE WALL, FLOOR OR CEILING.", "asserted_value": "RATING EQUAL TO OR GREATER THAN THE RATING OF THE WALL"}, {"discipline": "General", "sheet": "G31.04", "source_text": "FIRESTOPPING: TESTED IN ACCORDANCE WITH ASTM E119 OR UL 263 TO MEET THE HOURLY F-RATINGS OF THE CONSTRUCTION BEING PENETRATED.", "asserted_value": "MEET THE HOURLY F-RATINGS OF THE CONSTRUCTION BEING PENETRATED"}], "recommended_resolution": "coordinate drawings"}]}