Course CodeSGT2Fee CodeSGDuration (approx)20 hoursQualificationTo obtain formal documentation the optional exam(s) must be completed which will incur an additional fee of £30. Alternatively, a letter of completion may be requested. 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: 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 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 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 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 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 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 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