Mich. Admin. Code R. 408.42516 - Definitions
Rule 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.
Notes
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