David Lister

Civil Estimator with 4 years of experience supporting infrastructure and civil construction projects including earthworks, grading, utilities, and site development. Proven ability to analyze project drawings, perform accurate quantity take-offs, develop cost estimates, and support bidding processes for competitive tenders. Skilled in Trimble Business Center, construction surveying, 3D machine control modeling, and cut/fill analysis to support efficient project planning and cost control.

Successfully addressed critical risk factors in scheduling for major initiatives, reducing budget overruns and ensuring seamless project execution. Led cross-functional teams to deliver 4 large-scale projects on time and within budget.

Site Supervisor - Cu Chulainn Ltd - Calgary, AB

(2026-05)

• Improved daily site organization and materials layout, helping reduce trade downtime and increasing overall site productivity by 15%.
• Streamlined material pickup and delivery routines, cutting delays and ensuring consistent workflow continuity.
• Implemented a standardized deficiency-tracking method that improved response time for corrections by 25%.
• Identified and documented construction deficiencies early, preventing rework and contributing to zero missed milestones on multiple builds.

Civil Estimator - Andrew Sheret Ltd - Calgary, AB

(2023-11 - 2026-02)

• Discovered and flagged spec discrepancy in stormwater design on a $14M school project, leading to a redesign $380K cost avoidance.
• Prepared accurate quantity take-offs and estimates that contributed to successful bids for multiple civil infrastructure projects valued up to $5M.
• Improved earthworks estimating accuracy by implementing Trimble-based cut/fill analysis, reducing quantity discrepancies between estimate and field measurements.
• Supported field teams with 3D machine control models, improving grading precision and reducing rework on site.
• Strengthened collaboration between estimating and field operations by providing clear quantity documentation and digital terrain models.
• Helped optimize project costs through value engineering and scope analysis during tender preparation.

Project Coordinator/Estimator - Consar Ltd - Calgary, AB

(2020-02 - 2022-09)

• Successfully secured Ghana National Petroleum Co-operation Research and Technology Centre, valued at $80 million by preparing competitive and value-engineered estimates.
• Identified an underground utility clash during bid review on a $32M ICI development, preventing a potential $600K change order post-award.
• Interpreted complex drawings, specifications, and addenda, identifying and resolving 100 conflicts during the bid process by issuing RFIs and collaborating with consultants.
• Utilized Procore and Bluebeam and analyzed blueprints, specifications, and project documents to generate accurate labor, material, and equipment cost calculations, improving bid accuracy by 20%.
• Developed and maintained CPM schedules in Primavera P6, coordinating engineering, procurement, and construction phases. Updated project teams regularly, cutting scheduling conflicts and delays by 20%.

Site Engineering - Ecka Engineering Ltd - Ghana

(2018-06 - 2020-08)

• Analyzed plans, specifications, design drawings, and other documentation to ascertain the scope of work.
• Identified potential project risks and proposed mitigation strategies, leading to an average of 5% reduction in cost overruns.
• Organized and chaired internal pursuit meetings to ensure milestones and submission deadlines were achieved.
• Perform cut and fill quantity take-offs using Trimble Business Center and other digital take-off tools to support earthworks and grading estimates.
• Collaborated with project managers to develop comprehensive project plans and schedules, leading to a 15% improvement in project execution efficiency.
• Implemented improved sample tracking procedures that reduced reporting turnaround time by 25%.

Master of Science - Civil Engineering (Construction Project Management) - University of Toronto (2024-10)

Bachelor of Science - Quantity Surveying & Construction Economic - Kwame Nkrumah University of Science & Technology (2018-09)