(b) Masonry wallbracing design handbook, March 2003. Cost: $65.00.
(c) The standards referenced in subrule 2 (a) and (b) of this
rule are also
available for inspection at the Department of Energy, Labor and Economic Growth,
MIOSHA Standards Section, 7150 Harris Drive, P.O.
Box 30643, Lansing,
(d) Copies of the standards referenced in subrule (2) (a) and (b) of this rule may
be obtained from the publisher or may also be obtained from the Department of
Energy, Labor and Economic Growth, MIOSHA Standards Section, 7150 Harris Drive,
P.O. Box 30643, Lansing, Michigan, 48909-8143, at the cost charged in subrule (2)
(a) and (b), of this rule, plus $20.00 for shipping and handling.
History: 1989 AACS; 2010 AACS.
R 408.40203 Definitions.
Rule 203. (1) "Base" means the supporting surface that the masonry wall is laid
(2) "Competent person" means a person who is trained,
capable of identifying existing or potential hazards in surroundings, or under working
conditions, that are hazardous or dangerous to an employee and who has the authority
and knowledge to take prompt corrective measures to eliminate the hazards.
(3) "Controlling contractor" means a prime contractor,
construction manager, or any other legal entity that has the overall responsibility
for the construction of the project including its planning, quality, and completion.
(4) "Initial period" means the period of time, not to exceed 24 hours, during
which the masonry wall is being laid above its base or the highest line of bracing and,
at the end of which, required bracing is installed.
(5) "Intermediate period" means the period of time
period until the masonry wall is connected to the structural elements that provide
its final lateral support.
(6) "Qualified person" means a person who, by possession of a recognized
degree, certificate, professional standing, or by extensive knowledge, training, and
experience, has successfully demonstrated the ability to solve or resolve problems
relating to the subject matter, the work, or the project.
(7) "Reinforced masonry" means a masonry wall made up of units laid in mortar
with steel reinforcement embedded in grout.
(8) "Restricted zone" means the area on each side of a masonry wall measured
by a horizontal distance equal to the height of the constructed wall plus a minimum of 4
feet, measured at right angles to the wall, and continuing for the length of the wall
plus a minimum of 4 feet beyond the ends of the wall.
(9) "Structural designer of record" means
professional who is responsible for the structural design of the project.
(10) "Unreinforced masonry" means a masonry wall made up of units laid in
mortar that may contain horizontal joint reinforcement.
(11) "Unsupported masonry wall" means a masonry wall that has not obtained
its final lateral support from structural elements, such as, but not limited to, roofs, floors,
buttresses, crosswalls, and piers.