Section R. 408.42516 - DefinitionsRule 2516.
(1) "Bull float" means a tool used to spread out and smooth concrete.(2) "Formwork" or "falsework" means the total system of support for freshly placed or partially cured concrete, including the mold or sheeting that contacts the concrete and all supporting members, hardware, and necessary bracing.(3) "Foundation" or "footings" means a natural or built-up solid ground or base upon which shoring or reshoring is supported, including all underlying ground strata.(4) "Guy" means a line that steadies a high object or structure by pulling against an off-center load.(5) "Horizontal shoring beams" means beams or trusses used as load-carrying members in shoring systems.(6) "Jacking operation" means the task of vertically lifting a slab or group of slabs from one location to another, such as from the casting location to a temporary (parked) location, from a temporary location to another temporary location, or to its final location in the structure during the construction of a structure where the lift-slab process is being used.(7) "Lift slab" means a method of concrete construction in which floor and roof slabs are cast on or at ground level and, using jacks, lifted into position.(8) "Precast concrete" means a concrete member that is cast and cured at a location other than its final designated location.(9) "Poststressed concrete" means a concrete member in which internal stresses have been introduced by the stressing of strands after the placement of concrete.(10) "Prestressed concrete" means a concrete member in which internal stresses have been introduced by the stressing of strands before the placement of the concrete.(11) "Qualified designer" means a person who, by possession of a degree, certificate, or professional standing, has demonstrated ability in design in the subject area being regulated.(12) "Qualified person" means a person who, because of education or training, is knowledgeable about the erection methods, materials, and hazards of the work to be performed.(13) "Reshore" means the vertical or inclined supporting members that are designed to distribute the weight of concrete and construction loads to lower levels until such loads can be supported by the concrete structure.(14) "Shore" means a vertical or inclined support member that is designed to carry the weight of formwork, concrete, and construction live loads above.(15) "Slip form" means a form that moves, usually continuously, during the placement of concrete. Movement may be either horizontal or vertical.(16) "Vertical slip form" means a form that is jacked vertically and continuously during the placing of concrete.Mich. Admin. Code R. 408.42516
1980 AACS; 1989 AACS; 1993 AACS; 2003 AACS