
Ryan Mansia
SR.CIVIL SITE ENGINEER | CIVIL INSPECTOR
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About
Licensed Civil Engineer with 18 years of experience in construction, site engineering, infrastructure, roads and highways, drainage, underground utilities, reinforced-concrete works, pavements, maintenance, and building projects. Experienced in site supervision, quantity measurement, BOQ preparation, progress monitoring, quality control, subcontractor coordination, consultant coordination, documentation, and construction planning. International project exposure includes work at Al Udeid Air Base, Qatar and Africa with strong familiarity with strict quality, specification and safety requirements.
Experience
Project Operations Engineer - UNEC Construction Services - Bataan, Philippines
(2025-03)
Residential & Commercial Building Construction, Refurbishment, Renovation & Civil External Works
- Designed & Construction of Two Storey Salazar Residence @ Coastal Grove Orani, Bataan
- Designed & Construction of Three Storey with roof Deck Rodrigo Residence @ Monark Subdivision, Brgy. Tuyo Balanga City, Bataan
- Designed & Construction of Auxiliary Kitchen Mendiola Residence @ Emerald Coast Village, Limay, Bataan
- Full House Refurbishment Work @ Fiesta Community in Limay, Bataan
- Designed & Construction of Two Storey Lumanlan Residence @ Mabalacat, Pampanga
- Full Renovation of Prahinog Residence @ Centella Homes San Isidro Rodriguez Rizal
- Roof Deck Renovation @ Bella Nica Residence in Centella Homes San Isidro Rodriguez Rizal
- Designed & Construction of Fence Perimeter Delo Santos Lot (1584 sqm) and Lot (1000 sqm) @ Brgy. Bagong Silang Bataan and Brgy. Tuyo Balanga City Bataan
- Full Renovation of Two Storey Rodrigo residence @ Capitangan, Abucay, Bataan
- Designed & Construction of Two Door Apartment @ Capitangan, Abucay, Bataan
- Pakyawan Contract & Agreement for Masonry Works Three Storey Surgical Building at Brgy. Tenejero, Balanga City, Bataan
- Designing of Commercial Building in San Isidro Sur, Sto. Thomas, Batangas
- Designing of Bungalo Loria Residence in Antipolo, Rizal
- Designing Stage of Rodrigo Mausolea Structures
- Supervise overall project operations, manpower, resources, and site activities
- Coordinate technical staff, project documentation, procurement, suppliers, and equipment requirements
- Liaise with clients, stakeholders, subcontractors, and suppliers to resolve project issues
- Monitor project progress, quality, safety, and productivity to ensure timely completion
- Assist in Designing, planning, quantity take-offs, material requirements, and cost control
Senior Site Engineer - Boom Construction Company - Doha, Qatar
(2017-08 - 2024-10)
Road Upgrading & Road Construction Projects across Qatar
- Construction of Khalifa Street & TV Roundabout Upgrade (Project No. 1703), Doha, Qatar – QAR 140.11 Million | Client: PWA/Ashghal - April 2017 to January 2019
- Roads & Infrastructure for Junctions & Roundabouts in Various Areas of Greater Doha – Phase 8 (Project No. 1904) | QAR 108.78 Million| Client: PWA/Ashghal- June 2019 to May 2022
- Roads & Infrastructure in Doha Industrial Area – Package 4 (QS001-P04), Project No. 1715 PWA/Ashghal | QAR 433.26 Million - December 2017 to October 2021
- A-Ring Road Interim Improvement Scheme – Project No. 1802 | Client: PWA/Ashghal |March 2022 to October 2024-QAR 417,910,340.46
- Central Doha & Corniche Beautification – Package 3 (Work Order No. 2), Project ID PA 2019 C 107 G | Client: PWA/Ashghal |July 2020–March 2024- QAR 563.53 million
- Supervised complete road construction and upgrading works from excavation and earthworks to final pavement and handover
- Managed subgrade, backfilling, compaction, road base, asphalt, concrete pavement, kerbs, drainage, and utilities
- Supervision and Monitoring, Storm water Drainage, Wet and dry Utilities, Water Works, Treated Sewerage Effluent, Soft and hardscape and all Road fixtures
- Coordinated manpower, equipment, materials, subcontractors, consultants, and government representatives
- Reviewed drawings, specifications, method statements, ITPs, and construction requirements
- Monitored quality, quantities, progress, testing, and compliance with project specifications
- Prepared daily/weekly reports, inspection requests, progress documentation, and as-built records
- Supervised traffic management, road furniture, signage, road markings, and associated infrastructure
- Coordinated testing, inspections, punch-list rectification, project closeout, and final handover
- Ensured compliance with HSE, quality, schedule, and client requirements
Civil Engineer - Tedeschia Construction Enterprises - Doha, Qatar
(2012-09 - 2017-08)
Maintenance of Al Udeid Air Base – QAF / USA. Civil Preventive and Civil Corrective maintenance for Drainages, Waste disposal, Buildings, Hangars, Car park, Shed, Igloos, service roads, taxiways and Runways. Contract amounts. Confidential | Client: QAF - September 2012 to January 2017
- Supervised civil maintenance, repair, and improvement works across major base facilities and infrastructure
- Managed maintenance of hangars, bunkers, tunnels, buildings, substations, roads, service roads, taxiways, runways, and PCCP
- Supervised drainage, water systems, manholes, underground utilities, concrete works, and pavement rehabilitation
- Coordinated excavation, trenching, backfilling, compaction, and utility protection works
- Managed installation and maintenance of safety furniture, barriers, bollards, signage, road markings, and protective structures
- Coordinated landscaping, grounds maintenance, pest-control activities, and cleanliness/housekeeping across the base
- Prepared work orders, estimates, quantity take-offs, material requirements, and maintenance schedules
- Coordinated manpower, equipment, materials, subcontractors, and maintenance teams
- Conducted inspections and ensured compliance with quality, safety, and project requirements
- Supported emergency maintenance, corrective works, preventive maintenance, and final inspections
Road Support Engineer / Inspector - New Kanlaon Construction Inc. - Tarlac, Philippines
(2012-06 - 2012-07)
Tarlac–Pangasinan–La Union Expressway (TPLEX). Segment: Section I to Section II from Victoria to Gerona, Tarlac. Construction and preparation of PCCP, Sub grade, Sub Base, Aggregate Base Coarse, Binder Coarse and Wearing Coarse
- Inspected and monitored road and construction activities to ensure compliance with approved drawings, specifications, and quality standards
- Conducted site inspections of earthworks, subgrade, embankment, drainage, concrete pavement, asphalt works, and road structures
- Verified line, level, alignment, elevations, quantities, and completed works
- Coordinated with site engineers, contractors, subcontractors, surveyors, and QA/QC personnel to resolve technical and construction issues
- Monitored material usage, workmanship, progress, and site safety requirements
- Prepared inspection reports, daily progress documentation, and punch-list items
- Assisted in identifying defects and ensuring timely rectification of non-conforming works
- Supported project teams in maintaining quality, safety, productivity, and schedule compliance
Site Engineer - COJAAL (Consortium Pour l'Autoroute Algérienne) - Algeria, Africa
(2010-08 - 2012-04)
Autoroute Est-Ouest (East-West Motorway) – Eastern Section, Algeria. Configuration: 6 lanes — 3 lanes in each direction; Total length of 399km; a Subgrade → Subbase → Base Course → GC3 → Asphalt Binder Course → Asphalt Wearing Course
- Supervised road pavement construction from subgrade preparation through final asphalt wearing course
- Managed preparation and inspection of subgrade, sub-base, base course, and Gravel Cement Treated Base Course (GC3)
- Supervised asphalt binder course and asphalt wearing course installation, including proper levels, alignment, thickness, compaction, and surface quality
- Coordinated manpower, equipment, materials, subcontractors, surveyors, and QA/QC teams to maintain construction progress
- Conducted site inspections and monitored compliance with approved drawings, specifications, method statements, and quality requirements
- Coordinated field testing for compaction, density, material quality, concrete/gravel-cement works, and asphalt pavement
- Verified completed quantities and pavement layers prior to proceeding to succeeding construction activities
- Monitored daily progress and resolved technical and site issues affecting road pavement works
- Assisted in final inspection, punch-list rectification, and handover of completed road pavement works
Site Engineer - Kajima Corporation - Pampanga, Philippines
(2007-01 - 2010-08)
Subic–Clark–Tarlac Expressway (SCTEX) – Package 1, 50.5-km Subic–Clark Section, Porac Interchange & Florida Blanca Interchange.
From Kilometer
Sta. 42+000 to Sta. 50+500; Construction of all drainage such as, DVPU, Dil, Vdrain, Cross drainage, Vertical drainage, manholes, kerbstone island, excavation works, backfilling works, concreting works, RCCP pipe, Managing and supervise sub-contractors for Box Culvert. Full package 1, Handing over works and Pavement Maintenance works; closing all snaglist and comments from BCDA/Consultants.
Porac Interchange
Mainline pavement, drainage, culverts, earthworks and slope protection.
Florida Interchange
Mainline pavement, drainage, culverts, earthworks and slope protection
- Supervised expressway, interchange, and civil construction work in accordance with approved drawings, specifications, and quality standards
- Managed earthworks, embankment, excavation, drainage, concrete works, road pavement, and structural works
- Supervised subcontractors for hydroseeding, sandblasting, and shotcrete works, ensuring quality, safety, and productivity
- Supervised and coordinated road pavement works from preparation through completion, inspection, testing, punch-list rectification, and final handover
- Led the handover of completed road pavement works to the client/consultant, ensuring all inspections, testing, documentation, and deficiencies were properly completed
- Conducted inspections and verified line, level, alignment, elevations, quantities, workmanship, and pavement quality
- Coordinated with QA/QC, surveyors, consultants, subcontractors, and project management to resolve technical and construction issues
- Monitored subcontractor performance, manpower, equipment, materials, work methods, and progress
- Prepared inspection requests, daily reports, progress reports, quantity measurements, punch lists, and handover documentation
- Ensured assigned works were completed safely, on schedule, and in accordance with project requirements
Cadet Engineer - Liberty Builders Development Corporation - Pampanga, Philippines
(2006-04 - 2006-10)
Pasig–Potrero Bridge, Porac, Pampanga
- The site engineer's assistant in the construction of the bridge substructure, including foundations, abutments, piers, reinforcing steel, formworks, and concrete works
- Support in site measurements, setting-out, quantity verification, and monitoring of daily construction activities
- Coordinated with foremen, workers, surveyors, and subcontractors to ensure proper execution of works
- The site engineer's assistant in monitoring materials, manpower, equipment, and construction progress
- Conducted basic site inspections and supported quality and safety requirements
- Prepared daily site records and assisted engineers with project documentation, minutes of meeting and reporting
Education
Bachelor's Degree - Civil Engineer - Marinduque State College (Marinduque State University)

