Osbert Ndawa is a skilled tradesperson responsible for constructing, repairing, and maintaining structures using bricks, blocks, stone, and other masonry materials. They interpret plans and technical drawings, prepare foundations, mix and apply mortar, and lay masonry units to build walls, partitions, chimneys, and other structural elements. Their work ensures the strength, durability, and visual quality of residential, commercial, and industrial buildings, while meeting safety standards, building codes, and project specifications.