A worker seriously injured by a conveyor ski lift has settled his case against lift designer Tramway Engineering for $10 million.The deal reached late last month followed a weeklong Cook County bench trial, where Circuit Judge Janet Adams Brosnahan had awarded $18.9 million in damages to plaintiff Patrick O’Donnell. In March 2014, O’Donnell, then 17 years old, worked for Avalanche Enterprises Inc., the operator of a ski park in northwest suburban Algonquin.O’Donnell’s responsibilities included …