Dennis Kiprotich

MTRD Grade II & III Certified Materials Technician with 7+ years' experience in materials testing and QA/QC for roads, buildings, and civil engineering projects. Skilled in soils, concrete, asphalt & aggregates testing per KS AASHTO/BS/ASTM standards. Proven in field inspections, contractor technical support, and material compliance verification.

Assistant Laboratory Technician at Shengli Engineering Construction Company (2026-01 – Present)

• Manage contractor's site laboratory for QA/QC testing on soils, aggregates, concrete, and asphalt to project specifications
• Verify concrete mix designs and conduct cube testing per BS 1881 for structures and roadworks; compile compliance reports
• Provide technical support to works teams on material placement, compaction, and asphalt laying to meet quality standards
• Coordinate with client's Engineer for material approvals, joint sampling, testing schedules, and resolution of non-conformances

Assistant Laboratory Technician at Wallukat Investments Ltd (2022-01 – 2022-09)

• Designed and executed laboratory tests for roadworks including grading, stabilization & asphalt concrete laying
• Conducted daily QA/QC on soils, aggregates, and concrete for urban bitumen standard upgrades and related structures
• Coordinated with consultant and contractor on material approvals; represented lab in technical site meetings

Assistant Laboratory Technician at Unknown (Contract RWC 491) (2018-06 – 2021-09)

• Performed material site investigations and monitored field activities for specification compliance
• Inspected and approved all materials delivered to site; rejected non-conforming materials per contract terms
• Executed Proctor, CBR, sieve analysis, and concrete testing for major construction works

Laboratory Attendant at Ministry of Transport, MTRD (2017-08 – 2018-01)

• Conducted standard tests on soils, aggregates, and asphalt mixes under senior technologists
• Assisted in field investigations and documented results for road and civil engineering projects

Grade II Occupational Test in Construction Control and Testing – Material Testing & Research Division, Ministry of Transport (2019-12)

Grade III Occupational Test in Construction Control and Testing – Material Testing & Research Division, Ministry of Transport (2018-12)

Kenya Certificate of Secondary Education in KCSE – Kapcheplanga Secondary School (2013-01 – 2016-12)

Kenya Certificate of Primary Education in KCPE – Kisabo Primary School (2004-01 – 2012-12)