What happened: Perez and another contractor became trapped in a Downers Grove storm sewer Monday during severe weather. A contractor who died after being trapped inside a Downers Grove storm sewer this week has been identified. Perez's body was recovered Tuesday after emergency crews spent more than a day battling hazardous conditions inside the storm sewer. He and another contractor were performing rehabilitation work on a large-diameter storm sewer pipe when they became trapped underground. Downers Grove sewer recoveryThe backstory:The incident began around 12:50 p.m. Monday when Downers Grove officers were flagged down by workers at a storm sewer construction site in the 800 block of Curtiss Street.