Sangwani Luke Mwandila

Work Experience

• Laboratory 1: Global Materials Testing Services CC

• GMTS carry out both in-situ and laboratory testing of materials and determine if such materials have reached their required specifications for their intended use.

• Position: Intern/Engineer

• Duration: November 2023 to December 2023

• Project 1: Tsumeb Kranzberg railway line construction project.

• Customer: Ministry of works and transport.

• My involvement:

  • Sample preparation using TMH1 for subbase, sub-ballast and ballast for railway site.

  • Performed Modified AASHTO for CBR test.

  • Performed Atterberg limit test on the materials.

  • Performed Sieve Analysis on the materials.

  • Analysed soil, rock, and other geotechnical materials.

• Project 2: New Oshana Wearhouse construction project.

• Customer: BuildIt.

• My involvement:

  • Sampling of materials of the footings used at the Wearhouse construction site.

  • Prepared the material and carried out Modified AASHTO for CBR test.

  • Performed Atterberg limit test of the materials.

  • Performed Sieve Analysis on the material

• Project 3: Various road construction projects along B1 road in Oshana region.

• Customer: Private Contractors.

• My involvement:

  Conducted various Soil and Concrete Tests:

  • Sample preparation using TMH1 for various projects.

  • Performed Modified AASHTO for CBR tests.

  • Performed Atterberg limit tests on materials.

  • Performed Compressive tests on sampled cubes

  • Performed Sieve Analysis tests on materials

  • Analysed soil, rock, and other geotechnical materials.

• Laboratory 2: Dolomite Geotechnical Services CC

• Dolomite Geotechnical Services cc offers civil engineering laboratory and geotechnical services. The laboratory's scope of work aligns itself with all civil engineering projects such as roads, railways, water, and structural infrastructures, specifically in the geotechnical investigations, quality and acceptance control segment of projects.

• Position: Intern/Engineer

• Duration: 5th June 2024 to 18th July 2024

• Project 1: DR3645 road project.

• Customer: RCC

• My involvement:

  • Sample preparation using TMH1 of different materials from road site.

  • Performed Modified AASHTO for CBR test on materials.

  • Performed Atterberg limit test on materials.

  • Performed Sieve Analysis on the different materials.

  • Analysed soil, rock, and other geotechnical materials.

• Project 2: Tsumeb Kranzberg railway line construction project.

• Customer: Ministry of works and transport.

• My involvement:

  • Sample preparation using TMH1 of different materials from railway site in different locations.

  • Performed Modified AASHTO for CBR test on materials.

  • Performed Atterberg limit test on the materials.

  • Performed Atterberg limit test on materials.

  • Performed Sieve Analysis on the different materials.

• Project 3: Relining of the Oshana cannel.

• Customer: NAMWATER

• My involvement:

  • Concrete mix design according to Namewaster's specifications

  • Performed a Slump test of the concrete.

  • Performed Compressive testing for 7 and 28 days of age from site.

• Project 4: Concrete sleepers for Tumeb Kranzberg railway line.

• Customer: D & M.

• My involvement:

  • Compressive testing for 7 and 28 days of age from site.

• Project 5: Various road construction projects along B1 road in Oshana region.

• Customer: Private Contractors.

• My involvement:

  Conducted various Soil and Concrete Tests:

  • Sample preparation using TMH1 for various projects.

  • Performed Modified AASHTO for CBR tests.

  • Performed Atterberg limit tests on materials.

  • Performed Compressive tests on sampled cubes

  • Performed Sieve Analysis tests on materials

  • Analysed soil, rock, and other geotechnical materials.

• Combining the knowledge I have obtained from the two laboratory I can perform the following:

  • Compressive test: determining the strength of concrete at different ages 7 and 28 days.

  • A nuclear gauge (Troxler): determining the densities and moisture of soil

  • Particle Size Distribution (sieve analysis): Determining the particle size distribution to understand the soil's composition.

  • Atterberg Limits Test: Assessing liquid limit, plastic limit, and plastic index to determine the soil's plasticity.

  • Modified Proctor Test: Evaluating the soil's maximum dry density (MDD) and optimum moisture content (OMC) after soil stabilization.

  • California Bearing Ratio (CBR) Test: Measuring the CBR of the stabilized soils to analyse their bearing capacity.

  • Unconfined Compression (UCS) Test: Measuring the shear strength of the stabilized soils.

• Description:

  • The sieve analysis tests performed on the untreated material was in accordance with TMH 1 method A1, A5 and A6

  • Atterberg Limit test carried out was in accordance with TMH 1 method A2 and A3.

  • Modified proctor test carried out was in accordance with TMH 1 method A7.

  • California bearing ratio test of untreated soil & gravel was in accordance with TMH 1 method A8/ AASHTO.

  • Unconfined Compression The unconfined compression stress of stabilized soil, gravel and sand was in accordance with TMH 1 method A14.

  • Analysed soil, rock, and other geotechnical materials.

• Consulting firm: Ongwediva Consulting Engineers

• Position: Intern/Engineer

• Duration: October 2024 to December 2024

• Project 1: Sewer Pump Station & Upgrading of Oxidation Ponds.

• Customer: Kamanjab Village Council.

• Project 2: Gobabis Correctional Facility renovation & Extension.

• Customer: Gobabis Town Council.

• Project 3: Evaristus Shikongo Correctional Facility-Piggery farm Acacia resort

• Customer: Gobabis Town Council.

• Project 4: Acacia resort

• Customer: Gobabis Town Council.

• Project 5: three story building

• Customer: Mr Shilongo.

• My involvement:

  • Analysed and interpreted comprehensive architectural drawings for the project to understand design intent and project requirements.

  • Ensured a thorough understanding of layout, dimensions, and design elements essential for accurate project execution.

  • Reviewed drawings to identify and communicate any discrepancies or ambiguities to relevant stakeholders (Kamanjab Village Council).

  • Facilitated coordination between architectural plans and structural/engineering designs to ensure alignment and consistency.

• Combining the knowledge I have obtained from Ongwediva Consulting Engineers i can perform the following:

  • Understanding how to interpret and apply design codes (SANS) for the proper selection of materials and reinforcement.

  • Gaining hands-on experience in reinforcement detailing for concrete structures, including correct bar sizes, spacing, and arrangements.

  • Mastery of Bar Bending Schedules by calculating the required bar lengths, diameters, and bends for reinforcing steel.

  • Understanding the importance of precision and clarity in reinforcement detailing to avoid construction delays.

  • Exposure to SANS charts, reinforcement codes and how to ensure proper reinforcement for both safety and efficiency.