Construction work;Site preparation work;Building demolition and wrecking work and earthmoving work;Test drilling and boring work;Works for complete or part construction and civil engineering work;Building construction work;Engineering works and construction works;Construction work for pipelines, communication and power lines, for highways, roads, airfields and railways; flatwork;Construction work for water projects;Construction works for plants, mining and manufacturing and for buildings relating to the oil and gas industry;Roof works and other special trade construction works;Building installation work;Electrical installation work;Insulation work;Plumbing and sanitary works;Fencing, railing and safety equipment installation work;Mechanical installations;Building completion work;Plastering work;Joinery and carpentry installation work;Floor and wall covering work;Painting and glazing work;Other building completion work;Hire of construction and civil engineering machinery and equipment with operator;Hire of cranes with operator;Hire of earthmoving equipment with operator