Civil Construction Course     CONCRETEHAND GRADE 11 Work under general supervision in accordance with drawings to scale and dimensions,schedules,specifications or similar documents. Float or finish concrete to lines and levels by means of a manually operated or power driven machine hand tool or device. Apply specialised concrete finishes, e.g. hardeners. Rectify blemishes and defects on concrete Control a group of Concretehands Grade 111     CONCRETEHAND GRADE 111 Work under direct supervision and in accordance with verbal instructions, sketches not to scale or marks. Vibrate concrete. Cure conrete. Final Screeding or trowelling concrete. BASIC CONCRETE HAND   Task No: Task CHG-B01a Interpret concrete mix ratios CHG-B01b Hand mix concrete CHG-B01c Caring and operating a concrete mixer CHG-B01d Machine mix concrete CHG-B02a Test concrete for slump and make concrete cubes CHG-B02b Place concrete for a column CHG-B02c Lay a concrete slab