correct answers
Modified Proctor Proctor usually used for subgrade and base. FM1-T180
control line set by normal shoulder points
Quality Control Plan prepared by contractor
Bedding Zone Zone directly beneath the pipe.
Standard Proctor protor typically used for embankment material. AASHTO T-99
Lift 6inches of compacted material cor full width.
2 pounds per cubic feet comparison difference for gages of same manufacturers
3 pounds per cubic feet comparison difference for gages of different manufacturers.
bleeding when moisture is drawn up by capillary action to the surface of material being
compacted