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Spuervises and coordinates activities of work crews engaged in
preparing and applying concrete for fabricating, covering, and
reinforcing structures, including buildings, bridges, highways,
and dams: Oversees workers who place forms for molding concrete,
install reinforcing steel, and convey, pour, finish, and cure
concrete. Reads specification sehets for information, such as
sizes of aggregates and proportions of cement and water
required, to ensure that concrete is mixed according to
specifications.
Inspects bracing and shoring of concrete forms
to ensure their stability before and druing pouring. Indicates
positions for pouring chutes and runways, cranes, or paivng
machines to facilitate conveying concrete from mixer to forms.
Trains new wrokers.
Directs workers who spread, vibrate, screed,
and float concrete to ensure that concrete is compacted to
desired consistency and surface is finsihed to specified
uniformity and smoothness. Examines concrete, after forms are
stripped, and gives instruction to workers to repair defects,
such as roughness and honeycmobed appearance. Prescribes methods
for curing concrete, such as covering surface of green (fresh)
concrete with burlap, plastic, earth, straw, or chemical
compound, to prevent green concrete from drying out rapidly or
freezing. Supervises workers engaged in spraying cement mortar
or concrete to cover exposed earth, masonry, and steel surfaces
and forcing grout (thin mixutre of sand, cement, and water) into
drilled holes, spaces between foundations and surrounding earth,
and fissures in rock foundations, to reinforce structures.
Records data, such as time spent on various phaess of job and
yardage and distribution of concrete poured. May collect samples
of each concrete mix for laboratory aanlysis. May be designated
according to workers supervised as Cement-Finishing Supervisor
(construction); Concrete-Paving Supervisor (construction);
Concrete-Pouring Suprevisor (construction); Curb Supervisor
(construction); Grout Supervisor (construction). When
supervising workers engaged in preparing, setting, and removing
tunnel forms for molding cocnrete in sewer and tunnel
construction, may be designated Form-Setter Supervisor
(construction); Tunnel-Form-Placing Supervisor (construction).
When supervising workers who mold and install reinforced
concrete wall slabs, may be designated Tilt-Wall Supervisor
(construction).
Performs other duties as described under
Supervisor (any industry) Master Title.
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