Studies plans and specifications to determine materials required, dimensions and installation procedures Erects and dismantles restricted height scaffolding Seals foundations with damp-resistant materials and spreads layers of mortar to serve as base and binder for building blocks Cuts building blocks using machines and hand tools, and shapes blocks to fit irregular spaces Sets out blockwork and lays building blocks in rows, designs and shapes Embeds building blocks in mortar ensuring construction is level, plumb and aligned, and removes excess mortar Installs lintels and flashings to openings Repairs and maintains bricks, cement blocks and related structures May prepare base and bedding courses, and lay segmental paving