Sam Louie Libago

Licensed Civil Engineer with experience in construction estimating, quantity take-offs, and project coordination across infrastructure, residential, and commercial projects. Skilled in cost estimation, tender preparation, and construction documentation using Excel, AutoCAD, and Bluebeam, with a passion for delivering practical, cost-effective, and resilient infrastructure solutions.

Cost Estimator / Project Engineer at Equi-Parco Construction Company (2023-08 – 2026-02)

ISO Certified

• Prepared quantity take-offs, BOQs, and cost estimates for $25M+ worth of construction projects by interpreting structural drawings, specifications, RFIs, and variation orders to support preconstruction and bidding activities.
• Monitored project costs, prepared tender and bid documents, coordinated with suppliers and subcontractors, and maintained project schedules and documentation, contributing to a high bid win rate and achieving project profit margins that exceeded target margins by approximately 2% to 8%.
• Supervised construction activities from preconstruction through completion, resolving on-site issues and ensuring compliance with project plans, specifications, quality standards, and project schedules.

Cost Estimator / Project Engineer at AT Dumlao Construction Inc. (2023-01 – 2023-08)

ISO Certified

• Prepared cost estimates and oversaw technical, operational, and administrative aspects of construction works, ensuring compliance with approved plans, specifications, standards, safety requirements, and project schedules.
• Prepared material requisition slips and supported tracking of material approvals, delivery status, and procurement schedules to ensure timely availability of resources.
• Supervised site activities and enforced quality, safety, and construction standards through regular inspections, hazard identification, and corrective actions.

Private Tutor at Freelance (2022-01 – 2023-01)

• Managed schedules, deadlines, and session planning in a fully remote environment while ensuring consistent delivery of high-quality outputs in an independent work setup.

Structural Consultant at Freelance (2022-12 – Present)

• Prepared, signed, and sealed structural plans, calculation sheets, and cost estimates for residential projects in compliance with applicable building codes and permitting requirements.
• Performed structural analysis and design calculations for foundations, columns, beams, and roof framing systems using engineering principles and applicable design standards.
• Prepared technical documentation and conducted site inspections to support permitting, design validation, and verification of construction compliance with approved plans and specifications.

Bachelor of Science in Civil Engineering – University of the Philippines Los Baños

High School Diploma – Gigaquit National School of Home Industries