Orhun Serhat Yarar
Nador
Summary
Marine construction professional with proven proficiency in site and operations management with 12 years of experience in the industry.
To date, gained experience in marine and geotechnical works such as transfer and installation of caissons, rubble mound breakwater construction, rock revetment, piling works, soil improvement with vibrocompaction and stone column methods by working within a wide range of marine projects in Turkey and Morocco.
Overview
12
12
years of professional experience
Work History
Caisson Superstructure Construction Works Manager
Nador West Med Port Project, STFA Construction Group
Nador
2022.09 - Current
- Preparation of monthly and weekly work plans in accordance with the contractual schedule.
- Monitoring the progress of the works by visiting the site regularly on daily basis, taking the necessary actions to ensure that the work continues according to the planning.
- Attending meetings with project management and the client, providing information on the work schedule, progress and technical issues.
- Leading a team of 210 personnel in total including 2 site engineers, 3 site technician, foreman and workers.
- Assisting in the preparation of method statements and technical documents in coordination with the technical office.
- Keeping track of material stock and orders to ensure an efficient work flow.
- Conducting safety inspections in coordination with project HSE team in order to ensure a safe work environment for the site team.
- Implementing quality guidelines in coordination with project QA/QC team.
Caisson Transfer & Installation Works Manager
Nador West Med Port Project, STFA Construction Group
Nador
2019.11 - 2023.01
- Organizing the necessary preparations prior to commencement of caisson transfer activity (Such as installation of top side structure platforms over caisson, organization of required inspections, marine team and equipment etc.).
- Following up the necessary procedures to get authorization from the client to start the caisson transfer activity.
- Preparation of the caisson voyage plan before starting the operation to avoid any conflict with other ongoing offshore activities during the towage and placement of the caisson.
- Leading the marine team during the towage of submersible barge to unloading site and towage of caisson from submersible barge to the permanent position in contact with the tugboat captains.
- Leading the caisson transfer team to ensure placing the caisson in the final position within the required tolerances.
- Supervising liquid ballasting before the towage and during the submersion in the final position.
- Ensuring that all the ballasting and de-ballasting stages of the submersible barge and the caisson are conducted precisely in compliance with the ballasting procedure.
- Conducting all the necessary correspondence with the technical consultant (Temporary Works Design - Netherlands).
- Following up the maintenance of all the equipment and submersible barge.
- Ensuring all safety measures are implemented and maintained during the operation.
- Preparing the purchase orders for the necessary materials. Following the purchasing processes.
Marine Works Superintendent
Nador West Med Port Project, STFA Construction Group
Nador
2018.10 - 2019.11
- Management and supervision offshore vibro-compaction activity in coordination with offshore project manager in order to maintain an efficient work flow and to avoid possible conflicts between other offshore activities.
- Prior to commencement of vibro-compaction in a section where the vibro-compactable sand substitution is completed, following up the necessary preparations (such as preparation of as-build drawings, bathymetry results etc.) to get authorization from the client to start the activity.
- Preparing the work plans and arranging the barge positions with subcontractor’s (Keller Foundations Co.) representatives considering the priority of the zones and other ongoing offshore activities.
- Checking the progress payment documents of subcontractors.
- Attending weekly meetings with the client representative to keep them informed regarding ongoing/planned activities, actual progress and various issues related to project.
- After completion of vibro-compaction in a section, organization of the necessary preparations in order to get authorization from client to start CPT tests for the approval of the VC section.
- Organizing the execution of CPT tests prior to commencement of the activity. (Arranging the CPT operator’s attendance from Holland in contact with subcontractor company MSH, arrangement of 3rd party -LPEE- technician, QA/QC technicians, barge team etc.)
- Preparing the purchase orders for the necessary materials. Following the purchasing processes.
Marine Works Section Chief
New Safi Port Project, STFA Construction Group
Safi , Morocco
2015.03 - 2017.11
- Organizing and planning construction activities in coordination with construction manager by following up weather forecasts, as project location is open to adverse sea conditions in Atlantic Ocean.
- Supervising the placement and slope trimming works of core (1-500 kg) and enrockment (0,5-1,5 t/1-2 t/2-4 t/4-6 t) materials. Organizing the cranes for placement of underwater enrockment material and correction works at the necessary sections according to daily bathymetric survey results.
- Planning and supervising the dredging works considering weather forecasts and prior zones in accordance with work schedule (Subcontractor: Macon Charter BV/Shipyard De Dong, Netherlands).
- Following and organizing the soil improvement activities at site, in coordination with subcontractor team (Keller Foundations).
- Organizing and supervising Accropode and BCR (Blocs Cubiques Rainurés) placement works with Echoscope® 3D sonar system.
- Preparing daily reports for marine works, dredging and soil improvement activities.
- Organizing and documenting the site inspections of the completed sections, with representatives of the client, for all marine activities (Dredging and soil improvement works, core/armour rock placement works, Accropode & BCR blocks, etc.).
- Keeping all site records (Such as standby hours of subcontractors and rental machinery) for potential contractual claims.
- Checking the progress payment documents of subcontractors in terms of contractual aspect.
- Determining the requisition of materials, consumables, equipment etc., required for the site works. Preparing the purchase orders and following the delivery process for the necessary materials.
Compulsory Military Service
Turkish Army Forces
Edirne
2014.09 - 2015.02
Contract Engineer
Osmangazi Bridge Project, STFA Construction Group
Kocaeli
2014.03 - 2014.08
- Preparing the contract documents of awarded tenders.
- Analyzing the claims of subcontractors and reporting to contract manager.
- Attending the contract meetings and settle to agreements with the subcontractors in contractual claims.
- Controlling the progress payments of subcontractors in terms of contractual aspect.
- Working in cooperation with procurement team, preparing the procurement contracts and following up the procurement processes.
- Controlling and following up the processes of contracts.
- Preparing contractual letters, responding contractual correspondence.
Site Engineer
Osmangazi Bridge Project, STFA Construction Group
Kocaeli
2013.03 - 2014.03
- Accurately interpreting the technical drawings, studying the method statements, technical specifications and the contract documents prior to commencement of site works.
- Organizing and following site activities in coordination with construction manager.
- Coordinating the activities of subcontractors. Monitoring subcontractor progress on site.
- Liaising with clients and their representatives and attending daily progress meetings to keep them informed of progress.
- Preparing and submitting of daily progress reports.
- Determining the requisition of materials, consumables, equipment, tools, required for all site works prior to execution, and organizing the material supply in order to maintain an efficient work flow.
- Compiling data records for potential claims for submission to client.
- Ensuring all safety measures are implemented and maintained at site.
Site Engineer
ZETAS (Soletanche Bachy Turkey)
Istanbul , Turkey
2012.01 - 2013.03
- Planning and organization the soil investigation works. Supervision of the works at site.
- Preparation of the soil investigation reports by compiling the data obtained from drilling works, laboratory and in-situ tests.
Education
Master of Science - Geological Engineering
Istanbul Technical University
Istanbul2012-06
Bachelor of Science - Geological Engineering
Istanbul Technical University
Istanbul2010-06
Skills
- Project Planning
- Site Management
- Organization and Time Management
- Marine Operations Oversight
- Health and Safety Compliance
- Industry Knowledge
- Teamwork and Collaboration
- Problem-Solving Abilities
Languages
Turkish
First Language
English
Advanced (C1)
C1
French
Intermediate (B1)
B1
Scholarships
- TUBITAK(The Scientific and Technological Research Council of Turkey) scholarship for graduate studies. (September 2010 - December 2011)
Publications
- L. Cengiz, O.S. Yarar (2023). Placing Antifer Blocks on Atlantic Tidal Coastline Using Echoscope® & Innovative Hydraulic System At New Safi Port. ICE Coasts, Marine Structures and Breakwaters 2023. 25-27 April 2023, Portsmouth, UK.
Timeline
Caisson Superstructure Construction Works Manager
Nador West Med Port Project, STFA Construction Group
2022.09 - Current
Caisson Transfer & Installation Works Manager
Nador West Med Port Project, STFA Construction Group
2019.11 - 2023.01
Marine Works Superintendent
Nador West Med Port Project, STFA Construction Group
2018.10 - 2019.11
Marine Works Section Chief
New Safi Port Project, STFA Construction Group
2015.03 - 2017.11
Compulsory Military Service
Turkish Army Forces
2014.09 - 2015.02
Contract Engineer
Osmangazi Bridge Project, STFA Construction Group
2014.03 - 2014.08
Site Engineer
Osmangazi Bridge Project, STFA Construction Group
2013.03 - 2014.03
Site Engineer
ZETAS (Soletanche Bachy Turkey)
2012.01 - 2013.03
Master of Science - Geological Engineering
Istanbul Technical University
Bachelor of Science - Geological Engineering
Istanbul Technical University
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