ENROL NOW

Earthworks

Course CodeSGT2
Fee CodeSG
Duration (approx)20 hours
QualificationStatement of Attainment
Learn to plan and carry out earthworks for landscaping any new garden or garden restoration project.

Lesson Structure

There are 7 lessons in this course:

  1. SCOPE AND NATURE OF EARTHWORKS
    • Nature of Earthworks
    • Surveying and levelling
    • Excavation
    • Shoring
    • Installation of services and drainage
    • Fill
    • Earthworks applications
    • Landscaping and landscape architecture
    • Agriculture and farming
    • Environmental management and land rehabilitation
    • Civil engineering and construction
    • Land clearance
    • Grading and levelling land
    • Levelling terminology
  2. SITE PREPARATION
    • Surveying and Levelling
    • Levelling
    • Taking levels
    • Triangulation
    • Site Investigation, Soil and Subsoil
    • Investigating soil characteristics
    • Soil types
    • Land Clearing - topsoil, weeds, location of services, water bodies, access
    • Surveying techniques
    • Trigonometrical levelling
    • Field work
  3. GROUND SURFACE SHAPING
    • Earth Forming
    • Ground Shapes
    • Limitations imposed by machines and materials
    • Cost factors
    • Functional aspect of land use
    • Site physiology, water table
    • Angle of slopes
    • Plant cover
    • Creating Mounds
    • How To Build a Raised Garden Bed
    • Shaping sloping ground
  4. GRADING AND EARTHMOVING
    • Stripping and siting topsoil
    • Planning grading operations
    • Filling
    • Weather conditions and water table
    • Phasing topsoil requirements
    • Preparation prior to adding top soil
    • Grading Principles and Methods
    • Grading considerations
    • Site grading drawings
    • Earthmoving Tools
    • Earthmoving Machinery
    • Fixed machines
    • Moving machines
    • Tractors
    • Loaders
    • Back hoes
    • Bull dozer
    • Excavator, graders, scrapers, etc.
    • Earthmoving
    • Shape stability
  5. LESSON 5 EARTHWORKS CALCULATIONS
    • Cut & Fill Calculations
    • Measuring cross sections
    • Prismoidal Formula/ Simpson’s 1/3 Rule
    • Other methods
    • Earthworks calculation software
    • Angle of repose
    • Drainage Considerations
    • Earthwork calculation
  6. STABILISING METHODS
    • Compaction
    • Required degree of compaction
    • Dynamic compaction
    • Types of rollers
    • Tampers
    • Avoiding compaction
    • Surface Treatments
    • Drainage
    • Improving water infiltration
    • Machine or hand cultivation
    • Mixing soil additives
    • Chemical treatments - lime, gypsum, buffered poly-lignosulphonates, etc
    • Improving Surface Drainage After Construction
    • Sand slitting, Aerating, Subsoiling
    • Points To Remember When Designing a Drainage System
    • Drainage Effectiveness
    • Rate of Excess Water Reaching Soil
    • Soil stabilisation material
    • Soil stabilisation methods
  7. SOIL STORAGE & FILLING
    • Removal, Storage and Reinstatement of Topsoil
    • Stockpiling procedures
    • Removal
    • Storage/ Proper storage
    • Reinstatement of topsoil
    • Filling Materials waste materials, water borne soil transportation
    • Working With Filled Land
    • Rehabilitation
    • Mining sites
    • Building sites
    • Growing plants
    • Phytoremediation
    • Dealing with erosion
    • Sediment and erosion control
    • Final Assessment