Prepare or assist in the preparation of supporting proposal documents, including: Project Execution Plan, Cost Estimate, Project Schedule (MS Project or Primavera), Environmental, Safety, Quality, and ITP Plans, Risk Register, Assumptions, and Clarifications, Optional Pricing, Alternate Proposals and Executive Summary. Working closely with preconstruction team members—including estimating, engineering, procurement, and project controls—the Project Estimator leads the development of detailed cost estimates and supporting documentation.