bull float - answer-tool used to spread out or smooth concrete
formwork - answer-total system of support for freshly placed or partially cured concrete, including the mold or sheeting (form) that is in contact with the concrete as well as all supporting members including shores, reshores, hardwa...
OSHA CONCRETE AND MASONRY CONSTRUCTION
bull float - answer-tool used to spread out or smooth concrete
formwork - answer-total system of support for freshly placed or partially cured concrete,
including the mold or sheeting (form) that is in contact with the concrete as well as all
supporting members including shores, reshores, hardware, braces, and related hardware
lift slab - answer-method of concrete construction in which floor, and roof slabs are case on or
at ground level and using jacks, lifted position
limited access zone - answer-an area alongside a masonry wall, which is under construction,
and which is clearly demarcated to limit access by empoyees
precast concrete - answer-concrete members (e.g. walls, panels, slabs, columns, and beams)
which have been formed, cast, and cured prior to final placement in a structure
reshoring - answer-the construction operation in which shoring equipment (also called reshores
of reshoring equipment) is placed, as the original forms and shores are removed, in order to
support partially cured concrete and construction loads
shore - answer-supporting member that resists a compressive force imposed by a load
vertical slip forms - answer-forms which are jacked vertically during the placement of concrete
jacking operation - answer-the task of lifting a slab (or group of slabs vertically from one
location to another e.g. from the casting location to a temporary (parked) location, or to its final
location in the structure), during the construction of a building/structure where the lift-slab
process is being used
construction load - answer-no construction load shall be placed on a concrete structure or
portion unless the employer determines, based on information received from a person who is
qualified in structure design, that the structure of portion of the structure is capable of
supporting the loads
reinforcing steel - answer-all protruding reinforcing steel, onto and into which employees could
fall, shall be guarded to eliminate the hazard of impalement
post-tensioning operations - answer-(1) no employee except post-tension operators shall be
permitted to be behind the jack during tensioning operations (2) signs and barriers shall be
erected to limit employee access to the post-tensioning area during tensioning operations
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