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Table 4-1.—Nominal Lengths of Concrete Masonry Walls in Stretchers—Continued |
C H A P T E R 4
MASONRY CONSTRUCTION
LEARNING OBJECTIVE: Estimate material and labor for concrete masonry units
(CMUs) according to NAVFAC P-405. Identify the components, requirements, and
construction techniques of laying brick, structural clay tile, and stone masonry.
MASONRY construction has become increasingly
important as a construction material for Seabee
construction. The commonly accepted definition of
masonry, or unit masonry as it is sometimes called, is
a construction method made up of prefabricated
masonry units (such as concrete block, brick, clay tile,
and stone) laid in various ways and joined together by
mortar. In the previous Builder training manual, we
covered concrete masonry units (CMUs) in depth and
the construction techniques on HOW TO lay CMUs.
This TRAMAN covers the construction techniques of
laying brick, structural clay tile, stone, and the
estimating procedures associated with CMUs.
ESTIMATING CONCRETE MASONRY
UNITS (CMUs)
Concrete masonry walls are laid out so as to make
maximum use of full- and half-length units. This is
called modular planning. Architect’s and Engineering
(A&E) firms and Builders strive to build modular
structures. This action minimizes cutting and fitting of
units on the job, which, in turn, saves on labor and cost.
Table 4-1 lists the nominal length of concrete masonry
walls by stretchers. Table 4-2 lists nominal height of
concrete masonry walls by courses. Table 4-3 lists the
average number of concrete masonry units by size and
the approximate number of cubic feet of mortar
Table 4-1.—Nominal Lengths of Concrete Masonry Walls in Stretchers
4-1
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