David Mathew Mihambo
Dar es Salaam
Summary
Summary of professional experience over 14years, in technical and managerial experience relevant to the project
Experienced with materials engineering principles and applications. Utilizes skills in advanced material development and process optimization to drive innovation. Knowledge of industry standards and regulatory requirements ensures compliance and enhances product quality.
Experienced in supervising building works, road works , irrigation scheme projects ,and earthwork engineering.
Overview
14
14
years of professional experience
Work History
Materials Engineer Supervision
UNITEC CIVIL CONSULTANTS LTD
01.2024 - 12.2024
- Attending factory acceptance test (FAT) for different construction materials such Base Station Tower in Shanghai China
- Attending calibration of machines such as hydraulic jack machine for straddle beam steel strands post tension and approve the test reports
- Attending weekly and monthly progress meeting with the Contractor
- Conduct regular inspection to the Contractor’s materials warehouses and storage areas for checking validity of the stored construction materials
- Conduct frequent inspection to construction sites, quarries, borrow pits, batch plants, sleeper factory and precast yard areas jointly with the Contractor to monitor quality of works
- Review and Approve the Materials Submittal Sheet documents (MSS) for different construction materials before being allowed to be used in the project
- Review of the project Quality plans and overseeing/Auditing its execution for compliance
- To plan and conduct the quality audits and surveillance for company and sub-contractor
- Responsible to ensure that the process to them are in compliance with design and construction standard
- Ensure that all the materials being delivered and used in the project are according to the project technical specifications as approved by the client/owner
- Attest the correctness of various civil materials test results
- Monitor materials sampling and testing carried out by the Contractor
- Monitoring curing of the concrete structures, such as Wall Bridge and slab of the concrete
- Reviews and approves concrete and sub-ballast design mixes and all quality related documents such as materials test report, calibration report of concrete and sub-ballast batching plant submitted by the Contractor
- Monitor the implementation of the project quality plan, inspection test plan, to ensure an effective quality management system with respect to project contract requirements and specifications
- Review of Inspection request with attached test result
- Attending materials delivery inspection
- Witnessing material sampling and testing and review and approve the final test report
- Coordinating and discussing the matter with Independent laboratory and material Engineer of the contractor
- Review and Audit the calibration certificates of the third part laboratory equipment’s and Test Apparatus
- Sorting out routine and non-routine problem pertaining to material testing at site
- Review method statement & Inspection Test Plan (ITP) for approval
- To Prepare Non Conformance Report (NCR), Corrective Action Report (CAR) to Contractor
- Witness the test at Third Part Laboratory for Material quality Testing such as Cements, Admixtures, Bolts etc at University of Dar Es Salaam
Construction Manager
JV SPEK
01.2023 - 12.2023
- Making sure that the commercial performance of the contract is maximized
- Ensuring all safety regulations and procedures are followed on the construction site
- Negotiate and manage contracts with subcontractors and suppliers
- To manage the project budget, including tracking expenses, preparing financial reports, and forecasting future cost
- To ensure that the work being performed on the project meets all quality standards and specifications
- To communicate effectively with all stakeholders involved in the project, including the client, contractors, and team members
- To develop a comprehensive project plan, which includes defining project goals, objective, tasks, timeline, and budget
- To manage and allocate resources such as labour, equipment, and materials
- To identify and manage risk associated with the project
- To review weekly and monthly reports on the status and progress of the contracts, including project costs and potential changes
- To manage employee performance
- To work closely with project managers, and other stakeholders to ensure that project plans and schedules are aligned with the overall project goals
- Accompanying clients during site visits and answering questions about the construction project’s overall progress and changes
Project Engineer
WHITE CITY INTERNATIONAL CONTRACTOR LTD
06.2021 - 12.2022
- Making sure that the commercial performance of the contract is maximized
- Working collaboratively with architects to identify and determine shop drawings
- Setting and enforcing standards for each job site and ensuring that contractors and crews follow proper safety guidelines
- Ensuring that construction projects remain profitable by overseeing budgets throughout the construction process
- Accompanying clients during site visits and answering questions about the construction project’s overall
- General supervision of the site activities
- Drawing interpretation
- Site inspection and measurements before payments to labors and sub-contractor
- Preparation of certificate in collaboration with company QS
- Site investigation and clearance
- Preparing daily, weekly, and monthly work plan
- Ordering materials/equipment’s required
- Preparing daily, weekly, and monthly work progress, resources and labor utilization reports
- Attending site and technical meeting
- Liaising with Client and Consultant regarding Project execution, specification, and standards
Materials Engineer
YAPI MERKEZI
11.2019 - 05.2021
- Oversee the undertaking of mix design for sub ballast layers and different concrete classes
- Responsible for sampling and testing quality of construction materials
- Identifying new potential borrow sites and collect soil samples for laboratory analysis
- Plan sampling and construction control testing schedules with a view to evaluating and documenting the quality of work
- Timely following-up on laboratory testing of samples to ensure that tests are made as scheduled and the results are promptly evaluated
- Providing optimized design concepts and construction techniques according to the composition and physical properties of the soil
- In charge of developing, modifying, testing and evaluating construction materials to ensure all materials used are qualified and meet the design requirement
- Overseeing the quality of works, performing subsoil investigations in visually bad sub grade patterns
- Aids site team for laboratory and site testing
- Keeps the records for reports in coordination with ER (employer requirements) during the entire work as per ITP (inspection and testing plan)
- Responsible of monitoring the execution and performance of the works in relation to: Method statement, Technical specifications, Approved drawings, Material specifications
- Responsible for Following-up conformity of the site and make sure that all non-conforming products or activities identified are reported and to be ensure that the Corrective / Preventive Actions are taken
- Providing technical advice about the suitability of materials
Assistant Materials Engineer
CHINA WU YI CO LTD.
03.2018 - 10.2019
- Supervision to the construction team on the standard specific procedures to be conducted to attain quality work and to provide direction for the rectification of the poor quality works done by the construction team
- Updating day to day report for site works
- Carrying out geotechnical investigation on the existing alignment soil to check the quality and strength of the existing ground on which the pavement layers are going to be laid above
- Identification of potential problems soils that may be available at any section of the road stretch and thus to come up with proper proposed treatment to be done at the particular section with the consultation of the Materials Engineer and Resident Engineer
- Checking the quality of materials from the borrow pits along with the Consultant to give suggestion of the best materials to be applied on the pavement layers that can meet the required standards
- Conducting and carrying out quality control tests as requested to the Consultant to check the quality of earthworks, gravels, CRR, CRS, and Aggregates used in the project
- Conducting and carrying out field tests to check the quality of the work done and the requirements of the materials used
- Such tests done on the fields are field density tests to check the degree of compaction of the completed layer in compliance with the standard specification for roads works, Asphalt core test to check the thickness of laid asphalt and compaction, slump test to check work ability of the concrete, speed moisture testing to check the moisture content of C1 materials before stabilization
- Carrying out the preparation of the mix design of concrete, stabilized layer and asphalt concrete
- Ensuring all necessary parameters of the design mixes are being met as per the standard specification of roadworks
- Aids site team for laboratory and site testing
- Keeps the records for reports in coordination with ER (employer requirements) during the entire work as per ITP (inspection and testing plan)
- Responsible of monitoring the execution and performance of the works in relation to: Method statement, Technical specifications, Approved drawings, Material specifications
- Responsible for Following-up conformity of the site and make sure that all non-conforming products or activities identified are reported and to be ensure that the Corrective / Preventive Actions are taken
- Providing technical advice about the suitability of materials
Site Agent
GHANA BUILDING CONTRACTOR
09.2016 - 03.2017
- Oversee and manage construction activities at the site, ensuring adherence to project specifications, codes and safety regulations
- Conduct regular site inspections to monitor progress, identify potential issues and ensure compliance with engineering and design requirements
- Collaborate closely with project managers, architects and subcontractors to ensure timely project completion
- Analyze and interpret engineering plans, aerial photography, blueprints, topographical & geologic data and technical drawings to plan and execute construction activities
- Coordinate the procurement and delivery of construction materials, ensuring their compliance with industry standards
- Identifying potential risks and implementing preventive measures to minimize project delays, cost overruns and safety hazards
- Maintain accurate project documentation, including progress reports, site diaries, change orders and quality control measures
- General supervision of the site activities
- Drawing interpretation
- Site measurement of the completed works
- Preparation of certificates in collaboration with company QS
- Preparing daily, weekly, and monthly work plan
- Ordering materials/equipment’s required
- Preparing daily, weekly, and monthly work progress, resources and labor utilization reports
Assistant Project Manager
GREY INVESTMENT COMPANY
10.2014 - 09.2016
- Supervising and managing construction projects from start to finish, ensuring adherence to project plans and specifications
- Reporting project updates, milestones and potential risks to the project manager and key stakeholders
- Analyzing and interpreting engineering drawings, survey reports and other technical documentation to guide the construction process
- Planning and overseeing allocating resources, materials and equipment to optimize project efficiency
- Monitoring project costs, identifying cost-saving opportunities and adhering to budget constraints
- Providing technical guidance and expertise to resolve construction-related challenges
Site Engineer
GREY INVESTMENT COMPANY
10.2013 - 09.2014
- Managing parts of construction projects
- Overseeing construction work
- Undertaking surveys
- Setting out sites
- Checking technical designs and drawings for accuracy and to ensure that they are followed correctly
- Supervising contracted staff
- Ensuring project packages meet agreed specifications, budgets and/or timescales
- Liaising with clients, subcontractors, local authority employees, architects and other professionals, especially quantity surveyors and the overall project manager
- Providing technical advice and solving problems on site
- Preparing site reports and logging progress
- Ensuring that health and safety and sustainability policies and legislation are adhered to
- Site inspection and measurements before payments to labors and sub-contractor
- Preparation of certificate in collaboration with company QS
- Site investigation and clearance
- Preparing daily, weekly, and monthly work plan
- Ordering materials/equipment’s required
- Preparing daily, weekly, and monthly work progress, resources and labour utilization reports
Site Engineer
SKOL BUILDING CONTRACTOR
10.2012 - 09.2013
- Reviewing geometric and pavement design drawings and reports
- Reviewing contract drawings and propose amendments
- In charge of quantity surveying department, and responsible for measurement of works and preparation of interim valuation statements
- Supervising road construction works
- Undertaking investigations and inspections, and assist in finding solutions to problems
- Be responsible for technical standards, legislation, codes of practice and standards
- Preparing and issuing Requests for Inspections, making project plans and project reports, development and implementation of work programme
- Responsible for preparation of As-Built Drawings
- General supervision of the site activities such as: Check leveling before and after cutting or filling of existing road surface
- Attending field tests performed on site by approved laboratory staffs
- Supervision of bitumen laying
- Supervision of asphalt concrete laying
- Site measurement
- Site investigation and clearance
- Supervision of different activities involves on the site (e.g., staking of materials, grading, spraying of the water, compaction, and others)
- Supervision of construction of Culverts and side drains
- Preparing daily, weekly, and monthly work plan
- Ordering materials/equipment’s required
- Actively seeking feedback from clients and project management teams reflecting on the performance of the team and making adjustment according to the suggestions
- Preparing daily, weekly and monthly work progress, resources and labour utilization reports
Site Engineer
SKOL BUILDING CONTRACTOR
12.2010 - 11.2011
- Reviewing geometric and pavement design drawings and reports
- Reviewing contract drawings and propose amendments
- In charge of quantity surveying department, and responsible for measurement of works and preparation of interim valuation statements
- Supervising road construction works
- Undertaking investigations and inspections, and assist in finding solutions to problems
- Be responsible for technical standards, legislation, codes of practice and standards
- Preparing and issuing Requests for Inspections, making project plans and project reports, development and implementation of work programme
- Responsible for preparation of As-Built Drawings
- General supervision of the site activities such as: Check leveling before and after cutting or filling of existing road surface
- Attending field tests performed on site by approved laboratory staffs
- Supervision of bitumen laying
- Supervision of asphalt concrete laying
- Site measurement
- Site investigation and clearance
- Supervision of construction of Culverts and side drains
- Preparing daily, weekly, and monthly work plan
- Ordering materials/equipment’s required
- Preparing daily, weekly and monthly work progress, resources and labour utilization reports
Education
Bachelor of Science - Civil and Water Resource Engineering
University of Dar Es Salaam [UDSM]
DAR ES SALAAM06.2010
Certificate - Advanced Education
Moshi Tech Secondary School
MOSHI KILIMANJARO01.2006
Certificate - Secondary Education
Jitegemee Secondary School
DAR ES SALAAM10.2003
Certificate - Primary Education
Azimio Primary School
DAR ES SALAAM01.1999
Skills
- Construction materials expert
- Construction management
- Scheduling and planning
- Construction supervision
Disclaimer
I, the undersigned hereby, certify that to the best of my knowledge and belief, the above information correctly describes myself, my education, my qualifications, and my experience.
Personal Information
Date of Birth: 06/02/85
Timeline
Materials Engineer Supervision
UNITEC CIVIL CONSULTANTS LTD
01.2024 - 12.2024
Construction Manager
JV SPEK
01.2023 - 12.2023
Project Engineer
WHITE CITY INTERNATIONAL CONTRACTOR LTD
06.2021 - 12.2022
Materials Engineer
YAPI MERKEZI
11.2019 - 05.2021
Assistant Materials Engineer
CHINA WU YI CO LTD.
03.2018 - 10.2019
Site Agent
GHANA BUILDING CONTRACTOR
09.2016 - 03.2017
Assistant Project Manager
GREY INVESTMENT COMPANY
10.2014 - 09.2016
Site Engineer
GREY INVESTMENT COMPANY
10.2013 - 09.2014
Site Engineer
SKOL BUILDING CONTRACTOR
10.2012 - 09.2013
Site Engineer
SKOL BUILDING CONTRACTOR
12.2010 - 11.2011
Bachelor of Science - Civil and Water Resource Engineering
University of Dar Es Salaam [UDSM]
Certificate - Advanced Education
Moshi Tech Secondary School
Certificate - Secondary Education
Jitegemee Secondary School
Certificate - Primary Education
Azimio Primary School
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