{"c":"47-2021.00","n":"Brickmasons and Blockmasons","d":"Lay and bind building materials, such as brick, structural tile, concrete block, cinder block, glass block, and terra-cotta block, with mortar and other substances, to construct or repair walls, partitions, arches, sewers, and other structures.","g":"47","tasks":[{"t":"Measure distance from reference points and mark guidelines to lay out work, using plumb bobs and levels.","core":true,"id":4769,"r":55,"dt":"08/2018","src":"Incumbent"},{"t":"Construct corners by fastening in plumb position a corner pole or building a corner pyramid of bricks, and filling in between the corners using a line from corner to corner to guide each course, or layer, of brick.","core":true,"id":4768,"r":55,"dt":"08/2018","src":"Incumbent"},{"t":"Apply and smooth mortar or other mixture over work surface.","core":true,"id":4775,"r":55,"dt":"08/2018","src":"Incumbent"},{"t":"Calculate angles and courses and determine vertical and horizontal alignment of courses.","core":true,"id":4770,"r":55,"dt":"08/2018","src":"Incumbent"},{"t":"Break or cut bricks, tiles, or blocks to size, using trowel edge, hammer, or power saw.","core":true,"id":4772,"r":55,"dt":"08/2018","src":"Incumbent"},{"t":"Interpret blueprints and drawings to determine specifications and to calculate the materials required.","core":true,"id":4774,"r":54,"dt":"08/2018","src":"Incumbent"},{"t":"Remove excess mortar with trowels and hand tools, and finish mortar joints with jointing tools, for a sealed, uniform appearance.","core":true,"id":4773,"r":55,"dt":"08/2018","src":"Incumbent"},{"t":"Fasten or fuse brick or other building material to structure with wire clamps, anchor holes, torch, or cement.","core":true,"id":4771,"r":54,"dt":"08/2018","src":"Incumbent"},{"t":"Clean working surface to remove scale, dust, soot, or chips of brick and mortar, using broom, wire brush, or scraper.","core":true,"id":4778,"r":55,"dt":"08/2018","src":"Incumbent"},{"t":"Examine brickwork or structure to determine need for repair.","core":true,"id":4777,"r":53,"dt":"08/2018","src":"Incumbent"},{"t":"Mix specified amounts of sand, clay, dirt, or mortar powder with water to form refractory mixtures.","core":true,"id":4776,"r":55,"dt":"08/2018","src":"Incumbent"},{"t":"Remove burned or damaged brick or mortar, using sledgehammer, crowbar, chipping gun, or chisel.","core":true,"id":4780,"r":55,"dt":"08/2018","src":"Incumbent"},{"t":"Lay and align bricks, blocks, or tiles to build or repair structures or high temperature equipment, such as cupola, kilns, ovens, or furnaces.","core":false,"id":4779,"r":54,"dt":"08/2018","src":"Incumbent"},{"t":"Spray or spread refractory material over brickwork to protect against deterioration.","core":false,"id":4781,"r":54,"dt":"08/2018","src":"Incumbent"}]}