Introductory technical guidance for civil engineers, geotechnical engineers and environmental engineers interested in soil drainage investigations. Here is what is discussed: 1. SCOPE OF THE INVESTIGATIONS, 2. FACTORS IN AN INVESTIGATION, 3. REVIEW OF EXISTING DATA, 4. FIELD RECONNAISSANCE, 5. SUBSURFACE INVESTIGATIONS, 6. IDENTIFYING THE BARRIER ZONE, 7. GEOLOGIC LNFLUENCE, 8. WATER SOURCE STUDIES, 9. GROUND-WATER STUDIES, 10. GROUND-WATER ACCRETIONS TO DRAINS, 11. OUTLET CONDITION, 12. DRAIN LOCATION, 13. DRAIN NUMBERING, 14. EXISTING STRUCTURES, 15. ECONOMIC CONSIDERATIONS OF DRAINAGE PROBLEMS, 16. DRAINAGE FOR SPRINKLER IRRIGATION, 17. TESTS FOR ESTIMATING DEEP PERCOLATION FROM SPRINKLER SYSTEMS, 18. NUMERICAL MODELS.

Introductory technical guidance for professional engineers and construction managers interested in site investigations for foundations of buildings and structures.

Introductory technical guidance for civil engineers and geotechnical engineers interested in soil investigations and testing. Here is what is discussed: 1. GENERAL, 2. SOURCES OF MAP AND PHOTO INFORMATION, 3. REMOTE SENSING TECHNIQUES, 4. SITE INVESTIGATIONS AND LAND FORM TYPES, 5. SUBSURFACE INVESTIGATIONS, 6. INVESTIGATIONS FOR CONSTRUCTION MATERIALS, 7. MATERIALS FOR STABILIZED AND MODIFIED SOILS.

Introductory technical guidance for civil engineers, structural engineers, geotechnical engineers and construction managers interested in subsurface soil investigations for buildings and other infrastructure. Here is what is discussed: 1. BACKGROUND, 2. BORINGS, 3. DRILLHOLE INSPECTION AND LOGGING, 4. BOREHOLE EXAMINATION AND TESTING, 5. EXPLORATORY EXCAVATIONS, 6. GROUND WATER AND FOUNDATION SEEPAGE STUDIES, 7. IN SITU TESTING TO DETERMINE GEOTECHNICAL PROPERTIES, 8. BACKFILLING OF HOLES AND DISPOSITION OF SAMPLES AN CORES.

Introductory technical guidance for civil engineers and environmental engineers interested in land treatment of wastewater. Here is what is discussed: 1. INTRODUCTION, 2. PHYSICAL PROPERTIES, 3. HYDRAULIC PROPERTIES, 4. INFILTRATION RATE MEASUREMENTS, 5. MEASUREMENT OF VERTICAL HYDRAULIC CONDUCTIVITY, 6. GROUND WATER, 7. SOIL CHEMICAL PROPERTIES, 8. REFERENCES.

Introductory technical guidance for civil engineers and construction managers interested in area drainage systems for streets and highways, and other infrastructure. Here is what is discussed: 1. INTRODUCTION, 2. HYDROLOGY, 3. HYDRAULICS, 4. EROSION CONTROL AND RIPRAP PROTECTION, 5. SUBSURFACE DRAINAGE.

Introductory technical guidance for Professional Engineers and construction managers interested in soil drainage. Here is what is discussed: 1. INTRODUCTION, 2. TRANSIENT FLOW METHOD OF DRAIN SPACING, 3. BACKGROUND OF THE METHOD, 4. DATA REQUIRED, 5. CONVERGENCE, 6. DEEP PERCOLATION AND BUILDUP, 7. USING THE DATA, 8. DRAIN ABOVE THE BARRIER LAYER, 9. DRAIN ON THE BARRIER LAYER, 10. OTHER USES FOR TRANSIENT FLOW CURVES, 11. DRAIN SPACING USING STEADY-STATE FORMULAS, 12. DETERMINING DISCHARGE FRONI SPACED DRAINS, 13. DESIGN DISCHARGE FOR COLLECTOR DRAINS.