Masonry Magazine December 1994 Page. 39
THE LAW FOR MASONRY
Continued from Page 11
"when required." Thus such requirements apply only when the specifier invokes them. Examples of "when required" items are:
Submittal of masonry units
Submittal of cold weather construction procedures
Testing of grout
Mortar on crosswebs of hollow units
Wetting of clay units
Other articles begin with "unless otherwise specified" and a required condition or action which must be met unless changed knowingly by the specifier. Some of the items which have such defaults are:
Movement joint materials
Bond pattern other than running bond
Mortar joint thickness and tooling
Cleaning materials
Grout proportions and mixing
Finally, there are certain articles which the project designer must specify. They are items needed for the particular project. They include:
Specified compressive strength of masonry
Method to determine compressive strength
Masonry unit and mortar type
Testing and inspection requirements
Type and grade of reinforcement
Some of the articles familiar to the mason contractor are:
Submittal requirements
Cold weather construction requirements.
Unit and mortar types
Placing masonry
Reinforcement and accessories
There are new articles which provide more requirements. Some of these are:
Quality assurance
Hot weather construction requirements
Galvanized joint reinforcement, anchors and ties
Dimensional tolerances for masonry and for reinforcement location
Limits on grout placement
The specification is oriented to the mason contractor and to the inspector. It gives instructions on the composition, quality, storage, handling, preparation and placement of materials, quality assurance for materials and masonry, and construction of masonry. The Specification gives instructions on the composition, quality, storage, handling, preparation and placement of materials, quality assurance for materials and masonry, and masonry construction.
What it Means to the Mason Contractor
Since the Code and the Specifications are coordinated, the decisions of
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MASONRY-NOVEMBER/DECEMBER, 1994 39