Denis Owino

Detail-focused Quantity Surveyor with 5+ years of hands-on construction site experience and NCA Site Supervisor certification. Skilled in cost estimation, Bill of Quantities preparation, and budget tracking using PlanSwift and MS Excel, with a strong grounding in site execution that comes from directly supervising the works being costed. Committed to protecting project margins through accurate estimating, disciplined cost control, and close coordination between site and commercial teams.

Site Supervisor (Cost Estimation & Budget Tracking Focus) at Elegant Properties Ltd (2021-03 – 2025-05)

• Developed cost estimates for materials and managed project budgets using PlanSwift and MS Excel, tracking project costs and preventing cost overruns throughout delivery.
• Implemented material ratio, usage, and storage controls that reduced site material waste by 30%, directly protecting project margins.
• Used MS Excel and Gantt charts to track project progress and cost against plan, identifying and resolving issues before they escalated into budget overruns.
• Supervised construction, renovation, and repair works to completion, coordinating a team of 500+ workers and subcontractors across concrete, timber, and interior fit-out works.
• Assisted in handover documentation and reported cost and progress updates to project managers, contractors, and engineers.
• Conducted daily toolbox meetings and site inspections to enforce safety compliance and quality control, helping deliver 2 projects within the agreed time frame.
• Interpreted drawings and blueprints, and used dumpy level and laser levelling equipment, improving accuracy in floor levels and room squares by 30% across 2 projects.

Maintenance Supervisor at Green Day Properties Ltd (2025-05 – Present)

• Oversee estate maintenance operations including plumbing, electrical, and carpentry works, managing costs and resource allocation for repairs.
• Inspect facilities to identify maintenance needs and implement preventive maintenance programs, reducing equipment and facility breakdowns.
• Report major maintenance issues and recommend corrective actions, ensuring all work complies with safety regulations and quality standards.

Diploma in Civil Engineering – The Kabete National Polytechnic