Job dutiesLoad and unload construction materials, and move materials to work areasErect and dismantle concrete forms, scaffolding, ramps, catwalks, shoring and barricades required at construction sitesMix, pour and spread materials such as concrete and asphaltAssist tradespersons such as carpenters, bricklayers, cement finishers, roofers and glaziers in construction activitiesAssist heavy equipment operators to secure special attachments to equipment, signal operators to guide them in moving equipment and provide assistance in other activitiesAssist in aligning pipes and perform related activities during oil and gas pipeline constructionAssist in drilling and blasting rock at construction sitesAssist miners in excavating and in setting up and operating various drills and other surface mining machineryLevel earth to fine grade specifications using rake and shovelAssist in demolishing buildings using prying bars and other tools, and sort, clean and pile salvaged materialsRemove rubble and other debris at construction sites using rakes, shovels, wheelbarrows and other equipmentOperate pneumatic hammers, vibrators and tampers as directedTend or feed machines or equipment used in construction such as mixers, compressors and pumpsClean up chemical spills and other contaminants, and remove asbestos and other hazardous materialsOil and grease hoists and similar equipmentDirect traffic at or near construction sitesPerform other activities at construction sites, as directed.