Load, unload and transport construction materials Erect and dismantle concrete forms, scaffolding, ramps, catwalks shoring and barricades Mix, pour and spread materials such as concrete and asphalt Assist in framing houses, erecting walls and building roofs Level earth to fine grade specifications Pave and rake asphalt Assist in demolishing buildings Clean and pile salvaged materials Remove rubble and other debris at construction sites Direct traffic at or near construction sites