TABLE OF CONTENTS
CHAPTER 1: INTRODUCTION
Introduction to the 3400 Series ..................................................................................... 1-2
Licensing and Regulations ............................................................................................... 1-4
CHAPTER 2: PARTS AND ACCESSORIES
Unpacking and Inspection ............................................................................................... 2-2
CHAPTER 3: 3411 OPERATING PROCEDURES
Taking Standard Counts .................................................................................................... 3-2
Taking Soil Measurements ............................................................................................... 3-4
Taking Asphalt Measurements ....................................................................................... 3-6
Setting Target Values ......................................................................................................... 3-7
CHAPTER 4: 3401 OPERATING PROCEDURES
Taking Standard Counts .................................................................................................... 4-2
Taking Soil Measurements ............................................................................................... 4-4
Taking Asphalt Measurements ....................................................................................... 4-6
CHAPTER 5: SPECIAL USE PROCEDURES
Corrections for Varying Soils ........................................................................................... 5-2
Trench Measurements........................................................................................................ 5-5
Control Strip for Subbase, Base, and Asphalt Paving ........................................... 5-7
Thin Lift Overlays .................................................................................................................. 5-9
Roof Moisture Measurements ..................................................................................... 5-12
3400 Series Use on Coal ..................................................................................................5-14
CHAPTER 6: GAUGE BASE ELECTRONICS
Electronic and Detector Service ..................................................................................... 6-2
Stability and Drift Tests...................................................................................................... 6-3
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