{"id":"545b634f-d49a-48de-91c0-b94d74319335","anomaly_type":"contract_splitting","severity":"high","confidence_score":"0.9000","title":"Hazen & Sawyer: 2 contracts within 90 days totaling $897,000","description":"The vendor Hazen & Sawyer received 2 separate contracts within a 90-day window summing to $897,000. When the combined value crosses a procurement-approval threshold but each individual award stays below it, the pattern is classically called 'contract splitting' and warrants further review against the procurement code and any sole-source justifications. The pattern can also reflect legitimate phased work or multiple unrelated services with the same vendor. Tier 2: vendor-named observation, no individual characterization.","fiscal_year":null,"review_status":"auto","review_tier":2,"evidence":{"vendor":"Hazen & Sawyer","contracts":[{"id":"a60d34f9-0a54-4b2c-be8f-e1a575226dfa","date":"2014-05-02","amount":397000.0,"department":"Unknown"},{"id":"12405e8e-752e-4600-b688-8be6ae3cd58a","date":"2014-06-30","amount":500000.0,"department":"Unknown"}],"window_days":90,"content_hash":"e4df5917c429c5bd71e2625f68e01805d98f414ca2e244164220ebe01cb277d5","combined_total":897000.0,"contract_count":2},"published":true,"created_at":"2026-05-27T12:10:41.274398Z","related_entity_type":null,"related_entity_id":null,"reviewed_by":null,"reviewed_at":null,"reviewer_notes":null,"source_document_ids":null}