In addition to our industrial market sector; In infrastructure, we specialize in general heavy civil construction, underground utilities, structures, electrical work, material production, roadways, bridges, specialty pavement overlays, environmental projects and commercial buildings. When the Estimator is designated as the Lead Estimator on an estimate, the following additional responsibilities will be required: Supervise and line out all people on the bid team, provide adequate information to team members and establish bidding schedule with deadlines.