132 - Mixing, Placing, and Finishing Concrete
Skill Level 1
.01 Mix Concrete
.02 Place and finish concrete
.03 Maintain tools and equipment
Skill Level 2
.01 Operate concrete machines
.02 Perform operators maintenance on concrete machines
.03 Determine proportion of materials of standard mix by rule of thumb
Skill Level 3
.01 Operate and maintain pumping machines.
Skill Level 1:
Individual must use and explain common concrete construction terms; use and care of tools,
equipment, and materials (including those from the Mason Tool Kit) used to mix, place,
compact, screed, float, trowel, and tool concrete by hand; use and care for mechanical
vibrators; and grind, point, and sack rub concrete surfaces.
Skill Level 2:
Skill Level 1, plus operate and perform operators maintenance on typical portable concrete
mixers, hand-held finishing machines, and concrete saws; and designate standard mix and
determine proportion of materials by rule of thumb.
Skill Level 3:
Individual must operate and perform operators maintenance before, during, and after
operation on pneumatic, or piston-type concrete pump; remove, connect and disconnect
tube/hoseline from pumps manifold or nozzle; check and adjust pressure on hydraulic system;
control and regulate flow of concrete; clear and clean out clogs; maintain concrete pumps
(pneumatic, squeeze-crete or piston type) and associated accessories.
Figure 1-1.Title and content of the PRCP Standards and Guides.
is identified in the guides by a capital letter (A, B, C,
Use a positive approach when you interview. The
etc.). Capital letters are listed near the top, and how
interviewee either knows or doesnt know the
many are used varies from task to task. The first action
statement in figure 1-2 is Describe the sequence of
steps of this procedure and explain the reasons for
each. A matrix is used to show how the statements
relate to the task elements.
To become familiar with the matrix, refer to task
element 132.1.02, Methods of finishing concrete.
Under the task element subparagraph b, you find
troweling. When you follow this line and look to the
right of this statement at the matrix, you will see Xs
under letters A, B, C, D, E, F, G, and H. This indicates
which action statements apply to this task element.
skill and the interviewer must make this
You are to begin the interview by reading the task
aloud. This directs the interviewees concentration to the
right area. Then rephrase the task in your own words. For
example, you could rephrase it as follows:
Describe the sequence of steps in
troweling a concrete slab to a smooth finish,
and explain the reasons for troweling.