30:11

Field 2 - Chapter 3b Density Testing Roller Patterns

49:00

Field 2 - Chapter 3d Density Training Test Sections

57:33

Field 2 - Chapter 2 Inspection and Quality Assurance

20:45

Field 1 - Chapter 2a Surface Preparations

18:46

PMC_Rothfuth’s method of aggregate blending

17:20

Field 1 - Communications and Safety

11:25

Field 1 - Chapter 2b Milling Operations

33:53

Field 1 - Chapter 6 Mat Problems