Gimhani Dissanayake

Experience

• 

  Central Engineering Consultancy Bureau

  Jan 2006 - Sept 2024

  • Design of highway alignment, pavement and drainage to ensure adherence to local and international standards.• Provided inputs for Asset Management Plans by evaluating the performance of road assets, identifying maintenance needs, and proposing sustainable improvement strategies.• Analyzed project data to forecast asset lifecycle costs and recommended optimal maintenance schedules to extend the service life of road infrastructure.• Performed horizontal and vertical alignments and track layout designs for LRT’s and Railways.• Performed data acquisition and analysis, researching the feasibility of alternate design approaches.• Carried out Pre-Feasibility and feasibility studies and cost estimates for Highways and Railways.• Prepared design calculations, construction specification, detailed design and tender drawings, design reports and technical documents.• Provided construction supervision to ensure construction activities adhered to design, specifications, and HSE protocols.• Reviewed and approved geometric, pavement, cross sections, hydrological and hydraulic, drainage, road markings and signs and road furniture designs and drawings, traffic management plans, project health, safety and environmental protection plan.• Liaised with Clients, Contractors and Project stakeholders to provide outputs of highest standard.• Project Management and Contract administration. • Certified quantities of works executed and checked day works, variations for the certification of interim and final payments, and EOT Analysis.• Provided technical inputs in preparation of payment certificates and variation orders.• Participated in project meetings, prepared meeting minutes and conduct technical presentations.• Evaluation of physical and financial progress of works and propose necessary corrective actions as needed to align with the scheduled work programme.• Have mentored junior engineers in conducting highway and railway designs and supervised drafting staff work. Show less • Performed data acquisition and analysis, researching the feasibility of alternative design approaches for Highway and Railway Projects.• Performed pavement and geometric designs of Highways.• Performed horizontal and vertical alignment designs of Railways.• Performed geometric and pavement designs for Airport runways in accordance with ICAO & FAA standards.• Prepared construction specification for road works.• Prepared design calculations, detailed design and tender drawings, design reports and documents to be submitted to the Clients /Consultants.• Construction supervision.• Coordinated with the project team, Client, Consultant/Contractor, Architects and project stakeholders.• Checked quantities of work executed and prepared payment certificates.• Prepared project programme and schedules.• Prepared cost estimates for highway, railway, airport runway and building projects.• Participated in project meetings and progress reporting.• Checked and approved as-built drawings, ensuring asset records reflected accurate field conditions and compliance with contract documents.• Collection of road asset information, including pavement conditions, drainage structures, retaining walls, traffic signs, and road markings, ensuring accuracy and completeness.• Organized and maintained a centralized database for all asset data, integrating information from various sources such as GIS systems and survey data.• Integrated updated road asset information into GIS and corporate asset management systems based on As-Built Drawings and construction records. Show less

  • Civil Engineer /Senior Design Engineer

    Jan 2012 - Sept 2024

  • Civil Engineer/Design Engineer

    Jan 2006 - Jan 2012