: Anaheim, CA, USA
: Not Specified
Spraying a wet concrete mixture that is conveyed through a high pressure hose/nozzle onto a designated surface as instructed.
Batching, mixing, transporting, applying, finishing, testing, and cleaning-up shotcrete materials.
Must be familiar with the different methods of shotcrete application and the appropriate use of a method for a particular design, surface, or function.
Applies cement mortar or concrete to exposed earth, masonry, wood forms, steel or other surfaces.
Tends hose through which concrete or cement is pumped to fill forms and crevices or to coat surfaces.
Moves and holds supply hose as spraying progresses, using rope sling or harness.
Drags screed over finished surface to cut and clean spots from surface.
Cuts and squares corners, using trowel.
Assists workers engaged in erecting and moving scaffolds and in coupling and uncoupling pipe.
Assists in application of reinforcement materials such as steel rods, steel mesh and/ or fibers.
Conduct preconstruction field trials of shotcrete production and application prior to starting production shotcreting, make field trials, and construct test panels on wood forms (if required).
Clean loose material, mud, rebound, and other foreign matter from all surfaces which are to receive shotcrete.
Submit results of shotcrete testing samples and proposed shotcrete mix design to supervisor.
Conduct preconstruction field trials of shotcrete production and application prior to starting the actual job.
Applies shotcrete mixture as approved by inspector, engineer or supervisor at a uniform rate to ensure adherence of material to the treated surface with minimum rebound and maximum density.
Confirms mix proportions of cement, aggregate, and admixtures to obtain the specified strengths, entrained air content, and set times specified.
Prepare production test panels (if required).
Apply shotcrete as per project specifications, designs, and procedures.
Operates and/or is familiar with manlifts or similar equipment.
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