Figure 2-42. Slump Measurement.
(m) If you cannot get slump within specifications perform monthly PMCS and try again
h. Yield Check
This check should only be performed after the slump check has been performed.
(1) Determine cement meter count for one-fourth cubic yard of concrete by dividing cement meter count (fig. 2-
(2) With sand and stone dials properly set, start the mixer and produce concrete until all systems are full and
mixed concrete is being discharged at a full rate from the mix conveyor. Then stop the equipment with all
concrete systems full.
(3) Place quarter yard box on a level surface