Plumber Fore. man. The Plumber Foreman is responsible to coordinate operations and oversee workers at construction sites. The Plumber Foreman ensures workers are qualified and knowledgeable about their roles and makes assignments according to skill set. The Plumber Foreman monitors the progress of projects and keeps the projects on track from a time and budgetary standpoint. Essential Duties And Responsibilities. Oversee and ensure that all safet...